Magical Vacation/ROM map

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Chip tiny.png The following article is a ROM map for Magical Vacation.

$08000438 - Main Loop

$02000330 contains the number of the Address Table Entry this subroutine jumps the program to.

08000438: 4819    ldr     r0, =#0x02000330
0800043A: 8800    ldrh    r0, [r0]			; Load Table Entry Number to jump to
0800043C: 2818    cmp     r0, #0x18
0800043E: D8FB    bhi     0x08000438			; If Table Entry Number is higher than #$18, LOOP INFINITELY
08000440: 0080    lsl     r0, r0, #0x2			; Multiply by 4 (each entry is 4 bytes in size)
08000442: 491A    ldr     r1, =#0x080004B0		; Offset of the Table
08000444: 1840    add     r0, r0, r1			; Add Table Offset to Entry Number
08000446: 6800    ldr     r0, [r0]			; Load Address
08000448: 4687    mov     pc, r0			; Go To Address

;0800044A: 0000    lsl     r0, r0, #0x0

$080004B0 - Address Table for Main Loop

Used in $08000438.

$08000514 - Entry #$00
$08000514 - Entry #$01
$08000514 - Entry #$02
$08000524 - Entry #$03
$0800052E - Entry #$04
$08000648 - Entry #$05
$0800069C - Entry #$06
$080006EC - Entry #$07
$080006FC - Entry #$08
$08000738 - Entry #$09
$080007AC - Entry #$0A
$080007C8 - Entry #$0B - Brownie Brown Logo
$08000514 - Entry #$0C
$08000748 - Entry #$0D
$08000814 - Entry #$0E
$080008AC - Entry #$0F
$080008E8 - Entry #$10
$08000848 - Entry #$11
$080007E0 - Entry #$12
$08000878 - Entry #$13
$08000758 - Entry #$14
$0800077C - Entry #$15
$0800078C - Entry #$16
$08000514 - Entry #$17
$08000934 - Entry #$18

$08000514 - ?

08000514: 4802    ldr     r0, =#0x02000330
08000516: 8800    ldrh    r0, [r0]
08000518: F000    bl       
0800051A: FA1A    bl      0x08000950
0800051C: E78C    b       0x08000438
0800051E: 0000    lsl     r0, r0, #0x0
08000520: 0330    lsl     r0, r6, #0xC
08000522: 0200    lsl     r0, r0, #0x8

$08000524 - ?

One of the Addresses the Main Loop jumps to.

08000524: F000    bl       
08000526: FE10    bl      0x08001148
08000528: F01C    bl       
0800052A: FE8C    bl      0x0801D244
0800052C: E784    b       0x08000438			; Return to Main Loop

$0800052E - ?

One of the Addresses the Main Loop jumps to.

0800052E: F013    bl       
08000530: FEB7    bl      0x080142A0			; (Sets $#0001, $#00FF and #$FFFF in registers)
08000532: F096    bl       
08000534: FEBF    bl      0x080972B4			; ?
08000536: 0400    lsl     r0, r0, #0x10
08000538: 0C00    lsr     r0, r0, #0x10		; Remove upper Double Byte
0800053A: 2806    cmp     r0, #0x06			; Is the number in r0 a valid Jump Table Entry Number?
0800053C: D866    bhi     0x0800060C			; If not, go to Entry 0

0800053E: 0080    lsl     r0, r0, #0x2
08000540: 4901    ldr     r1, =#0x0800054C
08000542: 1840    add     r0, r0, r1			; Add Table Entry Number * 4 to the Table Offset
08000544: 6800    ldr     r0, [r0]			; Load Address from there
08000546: 4687    mov     pc, r0			; Jump there

;DATA
;==========
;08000548: 054C    lsl     r4, r1, #0x15
;0800054A: 0800    lsr     r0, r0, #0x0

;JUMP TABLE
;==========
; Entry #$00: #$0800060C
; Entry #$01: #$080005CC
; Entry #$02: #$08000604
; Entry #$03: #$080005E4
; Entry #$04: #$080005D8
; Entry #$05: #$08000568
; Entry #$06: #$080005F4
;0800054C: 060C    lsl     r4, r1, #0x18
;0800054E: 0800    lsr     r0, r0, #0x0
;08000550: 05CC    lsl     r4, r1, #0x17
;08000552: 0800    lsr     r0, r0, #0x0
;08000554: 0604    lsl     r4, r0, #0x18
;08000556: 0800    lsr     r0, r0, #0x0
;08000558: 05E4    lsl     r4, r4, #0x17
;0800055A: 0800    lsr     r0, r0, #0x0
;0800055C: 05D8    lsl     r0, r3, #0x17
;0800055E: 0800    lsr     r0, r0, #0x0
;08000560: 0568    lsl     r0, r5, #0x15
;08000562: 0800    lsr     r0, r0, #0x0
;08000564: 05F4    lsl     r4, r6, #0x17
;08000566: 0800    lsr     r0, r0, #0x0

$08000568 - ($0800054C Jump Table Entry #$05)

08000568: 4D13    ldr     r5, =#0x020326F0
0800056A: 78A8    ldrb    r0, [r5, #0x02]
0800056C: 2602    mov     r6, #0x02
0800056E: 4330    orr     r0, r6
08000570: 70A8    strb    r0, [r5, #0x02]
08000572: 2001    mov     r0, #0x01
08000574: F09C    bl       
08000576: F9A4    bl      0x0809C8C0
08000578: 0400    lsl     r0, r0, #0x10
0800057A: 0C00    lsr     r0, r0, #0x10
0800057C: 2802    cmp     r0, #0x02
0800057E: D000    beq     0x08000582
08000580: E0C5    b       0x0800070E
08000582: F01B    bl       
08000584: F9B3    bl      0x0801B8EC
08000586: F001    bl       
08000588: FA85    bl      0x08001A94
0800058A: F01C    bl       
0800058C: FE17    bl      0x0801D1BC
0800058E: F023    bl       
08000590: F803    bl      0x08023598
08000592: F009    bl       
08000594: FFBB    bl      0x0800A50C
08000596: 4809    ldr     r0, =#0x02000348
08000598: 2100    mov     r1, #0x00
0800059A: 8001    strh    r1, [r0]
0800059C: 4808    ldr     r0, =#0x020298E0
0800059E: 8001    strh    r1, [r0]
080005A0: 4808    ldr     r0, =#0x0200033C
080005A2: 8001    strh    r1, [r0]
080005A4: 4C08    ldr     r4, =#0x02000330
080005A6: 2017    mov     r0, #0x17
080005A8: 8020    strh    r0, [r4]
080005AA: 2017    mov     r0, #0x17
080005AC: F000    bl       
080005AE: F9D0    bl      0x08000950
080005B0: 78A8    ldrb    r0, [r5, #0x02]
080005B2: 4330    orr     r0, r6
080005B4: 70A8    strb    r0, [r5, #0x02]
080005B6: E1B0    b       0x0800091A

;DATA
;============
;080005B8: 26F0    mov     r6, #0xF0
;080005BA: 0203    lsl     r3, r0, #0x8
;080005BC: 0348    lsl     r0, r1, #0xD
;080005BE: 0200    lsl     r0, r0, #0x8
;080005C0: 98E0    ldr     r0, [sp, #0x380]
;080005C2: 0202    lsl     r2, r0, #0x8
;080005C4: 033C    lsl     r4, r7, #0xC
;080005C6: 0200    lsl     r0, r0, #0x8
;080005C8: 0330    lsl     r0, r6, #0xC
;080005CA: 0200    lsl     r0, r0, #0x8

$080005CC - ($0800054C Jump Table Entry #$01)

080005CC: 4901    ldr     r1, =#0x02000330
080005CE: 2005    mov     r0, #0x05
080005D0: E166    b       0x080008A0

;DATA
;======
;080005D2: 0000    lsl     r0, r0, #0x0
;080005D4: 0330    lsl     r0, r6, #0xC
;080005D6: 0200    lsl     r0, r0, #0x8

$080005D8 - ($0800054C Jump Table Entry #$04)

080005D8: 4901    ldr     r1, =#0x02000330
080005DA: 200E    mov     r0, #0x0E
080005DC: E160    b       0x080008A0

;DATA
;=========
;080005DE: 0000    lsl     r0, r0, #0x0
;080005E0: 0330    lsl     r0, r6, #0xC
;080005E2: 0200    lsl     r0, r0, #0x8

$080005E4 - ($0800054C Jump Table Entry #$03)

080005E4: 2008    mov     r0, #0x08
080005E6: F09C    bl       
080005E8: F96B    bl      0x0809C8C0
080005EA: 4901    ldr     r1, =#0x02000330
080005EC: 2004    mov     r0, #0x04
080005EE: E157    b       0x080008A0
080005F0: 0330    lsl     r0, r6, #0xC
080005F2: 0200    lsl     r0, r0, #0x8
080005F4: 2009    mov     r0, #0x09
080005F6: F09C    bl       
080005F8: F963    bl      0x0809C8C0
080005FA: 4901    ldr     r1, =#0x02000330
080005FC: 2004    mov     r0, #0x04
080005FE: E14F    b       0x080008A0

;DATA
;========
;08000600: 0330    lsl     r0, r6, #0xC
;08000602: 0200    lsl     r0, r0, #0x8

$08000604 - ($0800054C Jump Table Entry #$02)

08000604: 2002    mov     r0, #0x02
08000606: F09C    bl       
08000608: F95B    bl      0x0809C8C0
0800060A: E080    b       0x0800070E

$0800060C - ($0800054C Jump Table Entry #$00)

0800060C: F01B    bl       
0800060E: F96E    bl      0x0801B8EC
08000610: F001    bl       
08000612: FA40    bl      0x08001A94
08000614: F01C    bl       
08000616: FDD2    bl      0x0801D1BC
08000618: F022    bl       
0800061A: FFBE    bl      0x08023598
0800061C: F009    bl       
0800061E: FF76    bl      0x0800A50C
08000620: 4805    ldr     r0, =#0x02000348
08000622: 2100    mov     r1, #0x00
08000624: 8001    strh    r1, [r0]
08000626: 4805    ldr     r0, =#0x020298E0
08000628: 8001    strh    r1, [r0]
0800062A: 4805    ldr     r0, =#0x0200033C
0800062C: 8001    strh    r1, [r0]
0800062E: 4905    ldr     r1, =#0x02000330		; Let Main Loop Jump at Table Entry #$08
08000630: 2008    mov     r0, #0x08
08000632: 8008    strh    r0, [r1]
08000634: E700    b       0x08000438			; Return to Main Loop

;DATA
;============
;08000636: 0000    lsl     r0, r0, #0x0
;08000638: 0348    lsl     r0, r1, #0xD
;0800063A: 0200    lsl     r0, r0, #0x8
;0800063C: 98E0    ldr     r0, [sp, #0x380]
;0800063E: 0202    lsl     r2, r0, #0x8
;08000640: 033C    lsl     r4, r7, #0xC
;08000642: 0200    lsl     r0, r0, #0x8
;08000644: 0330    lsl     r0, r6, #0xC
;08000646: 0200    lsl     r0, r0, #0x8

080007C8: F01B    bl       
080007CA: FFBA    bl      0x0801C740			; Brownie Brown Logo
080007CC: 4903    ldr     r1, =#0x02000330
080007CE: 2004    mov     r0, #0x04
080007D0: 8008    strh    r0, [r1]
080007D2: F000    bl       
080007D4: FF65    bl      0x080016A0			; Register Setup
080007D6: F000    bl       
080007D8: FFA5    bl      0x08001724			; (Value Transfer to WRAM)
080007DA: E62D    b       0x08000438			; Return to Main Loop

;DATA
;============
;080007DC: 0330    lsl     r0, r6, #0xC
;080007DE: 0200    lsl     r0, r0, #0x8

080016A0: 4A06    ldr     r2, =#0x04000200
080016A2: 8810    ldrh    r0, [r2]			; Load Interrupt Setup Register into r0
080016A4: 4B06    ldr     r3, =#0x00002001
080016A6: 1C19    add     r1, r3, #0x0			; Load $00002001 into r1
080016A8: 4308    orr     r0, r1			; Logical OR r0 with r1
080016AA: 8010    strh    r0, [r2]			; Store it back in the Interrupt Setup Register

080016AC: 4905    ldr     r1, =#0x04000004
080016AE: 2008    mov     r0, #0x08
080016B0: 8008    strh    r0, [r1]			; VBlank IRQ Enable

080016B2: 3904    sub     r1, #0x04			; r1 = $04000000
080016B4: 2000    mov     r0, #0x00
080016B6: 8008    strh    r0, [r1]			; Video Mode 0, GBA-Mode, No access to OAM during H-Blank

080016B8: 4770    bx      lr

;DATA
;============
;080016BA: 0000    lsl     r0, r0, #0x0
;080016BC: 0200    lsl     r0, r0, #0x8
;080016BE: 0400    lsl     r0, r0, #0x10
;080016C0: 2001    mov     r0, #0x01
;080016C2: 0000    lsl     r0, r0, #0x0
;080016C4: 0004    lsl     r4, r0, #0x0
;080016C6: 0400    lsl     r0, r0, #0x10

$080016C8 - ?

080016C8: 4A05    ldr     r2, =#0x02000344
080016CA: 6811    ldr     r1, [r2]
080016CC: 0049    lsl     r1, r1, #0x1
080016CE: 4805    ldr     r0, =#0x04000006
080016D0: 7800    ldrb    r0, [r0]			; Load Current Scanline
080016D2: 1808    add     r0, r1, r0
080016D4: 0A09    lsr     r1, r1, #0x8
080016D6: 1840    add     r0, r0, r1
080016D8: 6010    str     r0, [r2]
080016DA: 0400    lsl     r0, r0, #0x10
080016DC: 0C00    lsr     r0, r0, #0x10
080016DE: 4770    bx      lr

;DATA
;============
;080016E0: 0344    lsl     r4, r0, #0xD
;080016E2: 0200    lsl     r0, r0, #0x8
;080016E4: 0006    lsl     r6, r0, #0x0
;080016E6: 0400    lsl     r0, r0, #0x10

$080016E8 - (DMA to clear BG/OBJ Palette RAM, with DMA-Repeat)

080016E8: B081    add     sp, #-0x004			; Add 4 bytes to stack
080016EA: 2000    mov     r0, #0x00
080016EC: 9000    str     r0, [sp]			; Clear new stack bytes
080016EE: 4905    ldr     r1, =#0x040000D4
080016F0: 4668    mov     r0, sp
080016F2: 6008    str     r0, [r1]			; DMA Source address: Clear stack entry
080016F4: 20A0    mov     r0, #0xA0
080016F6: 04C0    lsl     r0, r0, #0x13
080016F8: 6048    str     r0, [r1, #0x04]		; DMA Destination: $05000000 (BG/OBJ Palette RAM)
080016FA: 4803    ldr     r0, =#0x85000100		; Fixed DMA, $400 bytes, DMA-Repeat on(?)
080016FC: 6088    str     r0, [r1, #0x08]
080016FE: 6888    ldr     r0, [r1, #0x08]
08001700: B001    add     sp, #0x004			; Remove added stack bytes
08001702: 4770    bx      lr

;DATA
;============
;08001704: 00D4    lsl     r4, r2, #0x3
;08001706: 0400    lsl     r0, r0, #0x10
;08001708: 0100    lsl     r0, r0, #0x4
;0800170A: 8500    strh    r0, [r0, #0x28]

$0800170C - (Jump to $0805B58C)

This is used at the end of the title screen

0800170C: B500    push    {lr}
0800170E: F059    bl       
08001710: FF3D    bl      0x0805B58C
08001712: BC01    pop     {r0}
08001714: 4700    bx      r0

;08001716: 0000    lsl     r0, r0, #0x0

$08001724 - (Value transfer to WRAM after Brownie Brown Logo)

08001724: B510    push    {r4, lr}

08001726: 4C06    ldr     r4, =#0x04000208
08001728: 2000    mov     r0, #0x00
0800172A: 8020    strh    r0, [r4]

0800172C: 4805    ldr     r0, =#0x020000D0		; Store Address
0800172E: 4906    ldr     r1, =#0x080C5590		; Load Address
08001730: 2238    mov     r2, #0x38			; Counter
08001732: F0C0    bl       
08001734: FC57    bl      0x080C1FE4			; DATA TRANSFER

08001736: 2001    mov     r0, #0x01
08001738: 8020    strh    r0, [r4]

0800173A: BC10    pop     {r4}
0800173C: BC01    pop     {r0}
0800173E: 4700    bx      r0

; DATA
; ========
;08001740: 0208    lsl     r0, r1, #0x8
;08001742: 0400    lsl     r0, r0, #0x10		; Address: 04000208
;08001744: 00D0    lsl     r0, r2, #0x3
;08001746: 0200    lsl     r0, r0, #0x8		; Address: 020000D0
;08001748: 5590    strb    r0, [r2, r6]
;0800174A: 080C    lsr     r4, r1, #0x0		; Address: 080C5590

$08008E98 - ?

08008E98: B5F0    push    {r4, r5, r6, r7, lr}
08008E9A: 4657    mov     r7, r10
08008E9C: 464E    mov     r6, r9
08008E9E: 4645    mov     r5, r8
08008EA0: B4E0    push    {r5, r6, r7}

08008EA2: 1C05    add     r5, r0, #0x0		; r5 = r0
08008EA4: 2000    mov     r0, #0x00			; Clear r0
08008EA6: C501    stmia   r5!, {r0}			; ???
08008EA8: 48A0    ldr     r0, =#0x02000340
08008EAA: 8801    ldrh    r1, [r0]
08008EAC: 48A0    ldr     r0, =#0x02000108
08008EAE: 8800    ldrh    r0, [r0]
08008EB0: 0400    lsl     r0, r0, #0x10		; Combine both Double-Bytes (to form an ADDRESS!?)
08008EB2: 4301    orr     r1, r0
08008EB4: C502    stmia   r5!, {r1}			; ???
08008EB6: 2480    mov     r4, #0x80
08008EB8: 00A4    lsl     r4, r4, #0x2		; r4 = #$0200
08008EBA: C510    stmia   r5!, {r4}			; ???
08008EBC: 499D    ldr     r1, =#0x02029CB0	: Load address
08008EBE: 1C28    add     r0, r5, #0x0		; ??? Store address
08008EC0: 1C22    add     r2, r4, #0x0		; Counter
08008EC2: F0B9    bl       
08008EC4: F88F    bl      0x080C1FE4			; Data Transfer
08008EC6: 192D    add     r5, r5, r4			; ???
08008EC8: 499B    ldr     r1, =#0x020096B0	; Load address
08008ECA: 1C28    add     r0, r5, #0x0		; ??? Store address
08008ECC: 220A    mov     r2, #0x0A			; Counter
08008ECE: F0B9    bl       
08008ED0: F889    bl      0x080C1FE4			; Data Transfer
08008ED2: 350C    add     r5, #0x0C
08008ED4: 1C29    add     r1, r5, #0x0
08008ED6: 4899    ldr     r0, =#0x02008678
08008ED8: C80C    ldmia   r0!, {r2, r3}
08008EDA: C10C    stmia   r1!, {r2, r3}
08008EDC: 3508    add     r5, #0x08
08008EDE: 2020    mov     r0, #0x20
08008EE0: C501    stmia   r5!, {r0}
08008EE2: 46AC    mov     r12, r5
08008EE4: 4C96    ldr     r4, =#0x02000360
08008EE6: 2700    mov     r7, #0x00
08008EE8: 200F    mov     r0, #0x0F
08008EEA: 4680    mov     r8, r0
08008EEC: 2107    mov     r1, #0x07
08008EEE: 468A    mov     r10, r1
08008EF0: 1C2B    add     r3, r5, #0x0
08008EF2: 330C    add     r3, #0x0C
08008EF4: 1C26    add     r6, r4, #0x0
08008EF6: 3644    add     r6, #0x44
08008EF8: 2201    mov     r2, #0x01
08008EFA: 4691    mov     r9, r2
08008EFC: 88E0    ldrh    r0, [r4, #0x06]
08008EFE: 4661    mov     r1, r12
08008F00: 8008    strh    r0, [r1]
08008F02: 8920    ldrh    r0, [r4, #0x08]
08008F04: 8048    strh    r0, [r1, #0x02]
08008F06: 8960    ldrh    r0, [r4, #0x0A]
08008F08: 8088    strh    r0, [r1, #0x04]
08008F0A: 89A0    ldrh    r0, [r4, #0x0C]
08008F0C: 80C8    strh    r0, [r1, #0x06]
08008F0E: 8B60    ldrh    r0, [r4, #0x1A]
08008F10: 8108    strh    r0, [r1, #0x08]
08008F12: 8F20    ldrh    r0, [r4, #0x38]
08008F14: 8148    strh    r0, [r1, #0x0A]
08008F16: 8F60    ldrh    r0, [r4, #0x3A]
08008F18: 0500    lsl     r0, r0, #0x14
08008F1A: 0D00    lsr     r0, r0, #0x14
08008F1C: 4989    ldr     r1, =#0x00000FFF
08008F1E: 4001    and     r1, r0
08008F20: 881A    ldrh    r2, [r3]
08008F22: 4889    ldr     r0, =#0xFFFFF000
08008F24: 4010    and     r0, r2
08008F26: 4308    orr     r0, r1
08008F28: 8018    strh    r0, [r3]
08008F2A: 1C20    add     r0, r4, #0x0
08008F2C: 303B    add     r0, #0x3B
08008F2E: 7801    ldrb    r1, [r0]
08008F30: 0909    lsr     r1, r1, #0x4
08008F32: 0109    lsl     r1, r1, #0x4
08008F34: 785A    ldrb    r2, [r3, #0x01]
08008F36: 4640    mov     r0, r8
08008F38: 4010    and     r0, r2
08008F3A: 4308    orr     r0, r1
08008F3C: 7058    strb    r0, [r3, #0x01]
08008F3E: 8FA0    ldrh    r0, [r4, #0x3C]
08008F40: 0500    lsl     r0, r0, #0x14
08008F42: 0D00    lsr     r0, r0, #0x14
08008F44: 497F    ldr     r1, =#0x00000FFF
08008F46: 4001    and     r1, r0
08008F48: 885A    ldrh    r2, [r3, #0x02]
08008F4A: 487F    ldr     r0, =#0xFFFFF000
08008F4C: 4010    and     r0, r2
08008F4E: 4308    orr     r0, r1
08008F50: 8058    strh    r0, [r3, #0x02]
08008F52: 1C20    add     r0, r4, #0x0
08008F54: 303D    add     r0, #0x3D
08008F56: 7801    ldrb    r1, [r0]
08008F58: 0909    lsr     r1, r1, #0x4
08008F5A: 0109    lsl     r1, r1, #0x4
08008F5C: 78DA    ldrb    r2, [r3, #0x03]
08008F5E: 4640    mov     r0, r8
08008F60: 4010    and     r0, r2
08008F62: 4308    orr     r0, r1
08008F64: 70D8    strb    r0, [r3, #0x03]
08008F66: 7A30    ldrb    r0, [r6, #0x08]
08008F68: 7118    strb    r0, [r3, #0x04]
08008F6A: 7A70    ldrb    r0, [r6, #0x09]
08008F6C: 7158    strb    r0, [r3, #0x05]
08008F6E: 88A0    ldrh    r0, [r4, #0x04]
08008F70: 7198    strb    r0, [r3, #0x06]
08008F72: 89E0    ldrh    r0, [r4, #0x0E]
08008F74: 71D8    strb    r0, [r3, #0x07]
08008F76: 78B0    ldrb    r0, [r6, #0x02]
08008F78: 7218    strb    r0, [r3, #0x08]
08008F7A: 79B0    ldrb    r0, [r6, #0x06]
08008F7C: 7258    strb    r0, [r3, #0x09]
08008F7E: 7DB0    ldrb    r0, [r6, #0x16]
08008F80: 7298    strb    r0, [r3, #0x0A]
08008F82: 7DF0    ldrb    r0, [r6, #0x17]
08008F84: 72D8    strb    r0, [r3, #0x0B]
08008F86: 6D20    ldr     r0, [r4, #0x50]
08008F88: 60D8    str     r0, [r3, #0x0C]
08008F8A: 8B21    ldrh    r1, [r4, #0x18]
08008F8C: 4A6F    ldr     r2, =#0x000003FF
08008F8E: 1C10    add     r0, r2, #0x0
08008F90: 4001    and     r1, r0
08008F92: 8A1A    ldrh    r2, [r3, #0x10]
08008F94: 486E    ldr     r0, =#0xFFFFFC00
08008F96: 4010    and     r0, r2
08008F98: 4308    orr     r0, r1
08008F9A: 8218    strh    r0, [r3, #0x10]
08008F9C: 8832    ldrh    r2, [r6]
08008F9E: 486B    ldr     r0, =#0x000003FF
08008FA0: 4002    and     r2, r0
08008FA2: 0292    lsl     r2, r2, #0xA
08008FA4: 6918    ldr     r0, [r3, #0x10]
08008FA6: 496B    ldr     r1, =#0xFFF003FF	   
08008FA8: 4008    and     r0, r1	   
08008FAA: 4310    orr     r0, r2	   
08008FAC: 6118    str     r0, [r3, #0x10]	   
08008FAE: 8821    ldrh    r1, [r4]	   
08008FB0: 0109    lsl     r1, r1, #0x4	   
08008FB2: 7C9A    ldrb    r2, [r3, #0x12]	   
08008FB4: 4640    mov     r0, r8	   
08008FB6: 4010    and     r0, r2	   
08008FB8: 4308    orr     r0, r1	   
08008FBA: 7498    strb    r0, [r3, #0x12]	   
08008FBC: 8861    ldrh    r1, [r4, #0x02]	   
08008FBE: 200F    mov     r0, #0x0F	   
08008FC0: 4001    and     r1, r0	   
08008FC2: 7CDA    ldrb    r2, [r3, #0x13]	   
08008FC4: 381F    sub     r0, #0x1F	   
08008FC6: 4010    and     r0, r2	   
08008FC8: 4308    orr     r0, r1	   
08008FCA: 74D8    strb    r0, [r3, #0x13]	   
08008FCC: 8A21    ldrh    r1, [r4, #0x10]	   
08008FCE: 0109    lsl     r1, r1, #0x4	   
08008FD0: 4642    mov     r2, r8	   
08008FD2: 4010    and     r0, r2	   
08008FD4: 4308    orr     r0, r1	   
08008FD6: 74D8    strb    r0, [r3, #0x13]	   
08008FD8: 8C20    ldrh    r0, [r4, #0x20]	   
08008FDA: 7518    strb    r0, [r3, #0x14]	   
08008FDC: 8C61    ldrh    r1, [r4, #0x22]	   
08008FDE: 203F    mov     r0, #0x3F	   
08008FE0: 4001    and     r1, r0	   
08008FE2: 7D5A    ldrb    r2, [r3, #0x15]	   
08008FE4: 2040    mov     r0, #0x40	   
08008FE6: 4240    neg     r0, r0	   
08008FE8: 4010    and     r0, r2	   
08008FEA: 4308    orr     r0, r1	   
08008FEC: 7558    strb    r0, [r3, #0x15]	   
08008FEE: 7DE2    ldrb    r2, [r4, #0x17]	   
08008FF0: 4640    mov     r0, r8	   
08008FF2: 4002    and     r2, r0	   
08008FF4: 0392    lsl     r2, r2, #0xE	   
08008FF6: 6958    ldr     r0, [r3, #0x14]	   
08008FF8: 4957    ldr     r1, =#0xFFFC3FFF	   
08008FFA: 4008    and     r0, r1	   
08008FFC: 4310    orr     r0, r2	   
08008FFE: 6158    str     r0, [r3, #0x14]	   
08009000: 7F21    ldrb    r1, [r4, #0x1C]	   
08009002: 220F    mov     r2, #0x0F	   
08009004: 4011    and     r1, r2	   
08009006: 0089    lsl     r1, r1, #0x2	   
08009008: 7D9A    ldrb    r2, [r3, #0x16]	   
0800900A: 203D    mov     r0, #0x3D	   
0800900C: 4240    neg     r0, r0	   
0800900E: 4010    and     r0, r2	   
08009010: 4308    orr     r0, r1	   
08009012: 7598    strb    r0, [r3, #0x16]	   
08009014: 8E21    ldrh    r1, [r4, #0x30]	   
08009016: 4650    mov     r0, r10	   
08009018: 4001    and     r1, r0	   
0800901A: 0189    lsl     r1, r1, #0x6	   
0800901C: 8ADA    ldrh    r2, [r3, #0x16]	   
0800901E: 484F    ldr     r0, =#0xFFFFFE3F	   
08009020: 4010    and     r0, r2	   
08009022: 4308    orr     r0, r1	   
08009024: 82D8    strh    r0, [r3, #0x16]	   
08009026: 8E60    ldrh    r0, [r4, #0x32]	   
08009028: 4651    mov     r1, r10	   
0800902A: 4008    and     r0, r1	   
0800902C: 0040    lsl     r0, r0, #0x1	   
0800902E: 7DD9    ldrb    r1, [r3, #0x17]	   
08009030: 220F    mov     r2, #0x0F	   
08009032: 4252    neg     r2, r2	   
08009034: 400A    and     r2, r1	   
08009036: 4302    orr     r2, r0	   
08009038: 75DA    strb    r2, [r3, #0x17]	   
0800903A: 8EA1    ldrh    r1, [r4, #0x34]	   
0800903C: 4650    mov     r0, r10	   
0800903E: 4001    and     r1, r0	   
08009040: 0109    lsl     r1, r1, #0x4	   
08009042: 2071    mov     r0, #0x71	   
08009044: 4240    neg     r0, r0	   
08009046: 4010    and     r0, r2	   
08009048: 4308    orr     r0, r1	   
0800904A: 75D8    strb    r0, [r3, #0x17]	   
0800904C: 8EE2    ldrh    r2, [r4, #0x36]	   
0800904E: 01D2    lsl     r2, r2, #0x7	   
08009050: 217F    mov     r1, #0x7F	   
08009052: 4008    and     r0, r1	   
08009054: 4310    orr     r0, r2	   
08009056: 75D8    strb    r0, [r3, #0x17]	   
08009058: 79F0    ldrb    r0, [r6, #0x07]	   
0800905A: 4651    mov     r1, r10	   
0800905C: 4008    and     r0, r1	   
0800905E: 7E1A    ldrb    r2, [r3, #0x18]	   
08009060: 2108    mov     r1, #0x08	   
08009062: 4249    neg     r1, r1	   
08009064: 4011    and     r1, r2	   
08009066: 4301    orr     r1, r0	   
08009068: 7619    strb    r1, [r3, #0x18]	   
0800906A: 7DA0    ldrb    r0, [r4, #0x16]	   
0800906C: 464A    mov     r2, r9	   
0800906E: 4010    and     r0, r2	   
08009070: 00C0    lsl     r0, r0, #0x3	   
08009072: 2209    mov     r2, #0x09	   
08009074: 4252    neg     r2, r2	   
08009076: 400A    and     r2, r1	   
08009078: 4302    orr     r2, r0	   
0800907A: 761A    strb    r2, [r3, #0x18]	   
0800907C: 78F1    ldrb    r1, [r6, #0x03]	   
0800907E: 4648    mov     r0, r9	   
08009080: 4001    and     r1, r0	   
08009082: 0109    lsl     r1, r1, #0x4	   
08009084: 2011    mov     r0, #0x11	   
08009086: 4240    neg     r0, r0	   
08009088: 4010    and     r0, r2	   
0800908A: 4308    orr     r0, r1	   
0800908C: 7618    strb    r0, [r3, #0x18]	   
0800908E: 7972    ldrb    r2, [r6, #0x05]	   
08009090: 4649    mov     r1, r9	   
08009092: 400A    and     r2, r1	   
08009094: 0152    lsl     r2, r2, #0x5	   
08009096: 2121    mov     r1, #0x21	   
08009098: 4249    neg     r1, r1	   
0800909A: 4008    and     r0, r1	   
0800909C: 4310    orr     r0, r2	   
0800909E: 7618    strb    r0, [r3, #0x18]	   
080090A0: 8A60    ldrh    r0, [r4, #0x12]	   
080090A2: 7758    strb    r0, [r3, #0x1D]	   
080090A4: 8AA0    ldrh    r0, [r4, #0x14]	   
080090A6: 7798    strb    r0, [r3, #0x1E]	   
080090A8: 8CE2    ldrh    r2, [r4, #0x26]	   
080090AA: 01D2    lsl     r2, r2, #0x7	   
080090AC: 6998    ldr     r0, [r3, #0x18]	   
080090AE: 492C    ldr     r1, =#0xFF80007F	   
080090B0: 4008    and     r0, r1	   
080090B2: 4310    orr     r0, r2	   
080090B4: 6198    str     r0, [r3, #0x18]	   
080090B6: 7F61    ldrb    r1, [r4, #0x1D]	   
080090B8: 464A    mov     r2, r9	   
080090BA: 4011    and     r1, r2	   
080090BC: 0189    lsl     r1, r1, #0x6	   
080090BE: 7E1A    ldrb    r2, [r3, #0x18]	   
080090C0: 2041    mov     r0, #0x41	   
080090C2: 4240    neg     r0, r0	   
080090C4: 4010    and     r0, r2	   
080090C6: 4308    orr     r0, r1	   
080090C8: 7618    strb    r0, [r3, #0x18]	   
080090CA: 2000    mov     r0, #0x00	   
080090CC: 77D8    strb    r0, [r3, #0x1F]	   
080090CE: 4660    mov     r0, r12	   
080090D0: 302C    add     r0, #0x2C	   
080090D2: 2100    mov     r1, #0x00	   
080090D4: 7001    strb    r1, [r0]	   
080090D6: 1C78    add     r0, r7, #0x1	   
080090D8: 0400    lsl     r0, r0, #0x10	   
080090DA: 0C07    lsr     r7, r0, #0x10	   
080090DC: 365C    add     r6, #0x5C	   
080090DE: 345C    add     r4, #0x5C	   
080090E0: 3330    add     r3, #0x30	   
080090E2: 2230    mov     r2, #0x3	   
080090E4: 4494    add     r12, r2	   
080090E6: 2F1F    cmp     r7, #0x1F	   
080090E8: D800    bhi     0x080090EC	   
080090EA: E707    b       0x08008EFC	   
080090EC: 23C0    mov     r3, #0xC0	   
080090EE: 00DB    lsl     r3, r3, #0x3	   
080090F0: 18ED    add     r5, r5, r3	   
080090F2: 481C    ldr     r0, =#0x02007700	   
080090F4: 8800    ldrh    r0, [r0]	   
080090F6: C501    stmia   r5!, {r0}	   
080090F8: 1C29    add     r1, r5, #0x0	   
080090FA: 2700    mov     r7, #0x00	   
080090FC: 4B1A    ldr     r3, =#0x02029AF4	   
080090FE: 4A1B    ldr     r2, =#0x02007680	   
08009100: 00B8    lsl     r0, r7, #0x2	   
08009102: 1880    add     r0, r0, r2	   
08009104: 8800    ldrh    r0, [r0]	   
08009106: 8008    strh    r0, [r1]	   
08009108: 3102    add     r1, #0x02	   
0800910A: 1C78    add     r0, r7, #0x1	   
0800910C: 0400    lsl     r0, r0, #0x10	   
0800910E: 0C07    lsr     r7, r0, #0x10	   
08009110: 2F1F    cmp     r7, #0x1F	   
08009112: D9F5    bls     0x08009100	   
08009114: 3540    add     r5, #0x40	   
08009116: 8818    ldrh    r0, [r3]	   
08009118: C501    stmia   r5!, {r0}	   
0800911A: 1C28    add     r0, r5, #0x0	   
0800911C: BC38    pop     {r3, r4, r5}	   
0800911E: 4698    mov     r8, r3	   
08009120: 46A1    mov     r9, r4	   
08009122: 46AA    mov     r10, r5	   
08009124: BCF0    pop     {r4, r5, r6, r7}	   
08009126: BC02    pop     {r1}	   
08009128: 4708    bx      r1	   
	   
;0800912A: 0000    lsl     r0, r0, #0x0	   
;0800912C: 0340    lsl     r0, r0, #0xD	   
;0800912E: 0200    lsl     r0, r0, #0x8	   
;08009130: 0108    lsl     r0, r1, #0x4	   
;08009132: 0200    lsl     r0, r0, #0x8	   
;08009134: 9CB0    ldr     r4, [sp, #0x2C0]	   
;08009136: 0202    lsl     r2, r0, #0x8	   
;08009138: 96B0    str     r6, [sp, #0x2C0]	   
;0800913A: 0200    lsl     r0, r0, #0x8	   
;0800913C: 8678    strh    r0, [r7, #0x32]	   
;0800913E: 0200    lsl     r0, r0, #0x8	   
;08009140: 0360    lsl     r0, r4, #0xD	   
;08009142: 0200    lsl     r0, r0, #0x8	   
;08009144: 0FFF    lsr     r7, r7, #0x1F	   
;08009146: 0000    lsl     r0, r0, #0x0	   
;08009148: F000    bl       	   
;0800914A: FFFF    bl      0x0800A14A	   
;0800914C: 03FF    lsl     r7, r7, #0xF	   
;0800914E: 0000    lsl     r0, r0, #0x0	   
;08009150: FC00    bl      0x08009952	   
;08009152: FFFF    bl      0x07C0A152	   
;08009154: 03FF    lsl     r7, r7, #0xF	   
;08009156: FFF0    bl      0x08409138	   
;08009158: 3FFF    sub     r7, #0xFF	   
;0800915A: FFFC    bl      0x08009154	   
;0800915C: FE3F    bl      0x08005DDC	   
;0800915E: FFFF    bl      0x07E4915E	   
;08009160: 007F    lsl     r7, r7, #0x1	   
;08009162: FF80    bl      0x08089064	   
;08009164: 7700    strb    r0, [r0, #0x1C]	   
;08009166: 0200    lsl     r0, r0, #0x8	   
;08009168: 9AF4    ldr     r2, [sp, #0x3D0]	   
;0800916A: 0202    lsl     r2, r0, #0x8	   
;0800916C: 7680    strb    r0, [r0, #0x1A]	   
;0800916E: 0200    lsl     r0, r0, #0x8

$0800E794 - Color "Scaler"

This calculates a fade-out effect

3C-3F	r5 (subroutine above)
38-3B	r5 (subroutine above)
34-37	r5 (subroutine above)
30-33	r4
2C-2F	r5
28-2B	r6
24-27	r7
20-23	Link Register
1C-1F	r8
18-1B	r9
14-17	r10
10-13	new 5
0C-0F	new 4
08-0B	new 3
04-07	new 2
00-03	new 1


At start:
r0 = "where to load" address, gets stored in [sp]
r1 = "where to store" address, gets stored in r5
r2 = "darkening factor", gets stored in r6
r3 = number of colors to do, gets stored [sp, #0x004]

[sp, #0x008] contains the counter of how many colors have already been edited

r4 contains the value out of [#0x03C] (halfword, 16 bits)

r7 contains the value out of [#0x038] (halfword, 16 bits)

r12 contains the value out of [#0x034] (halfword, 16 bits)

normally, r4, r7 and r12 are zero. Its the color to (or, from) which everything should fade, so if they are all zero, it's black


0800E794: B5F0    push    {r4, r5, r6, r7, lr}
0800E796: 4657    mov     r7, r10
0800E798: 464E    mov     r6, r9
0800E79A: 4645    mov     r5, r8
0800E79C: B4E0    push    {r5, r6, r7}			; Push r4, r5, r6, r7, Link Register, r8, r9, r10
0800E79E: B085    add     sp, #-0x014			; Add additional 20 bytes (5 stack entries) to stack pointer
0800E7A0: 9000    str     r0, [sp]			; Add the address "where to work" in current stack pointer pointed register
0800E7A2: 1C0D    add     r5, r1, #0x0			; r5 = r1 = Address where to store data
0800E7A4: 980D    ldr     r0, [sp, #0x034]
0800E7A6: 990E    ldr     r1, [sp, #0x038]
0800E7A8: 9C0F    ldr     r4, [sp, #0x03C]
0800E7AA: 0412    lsl     r2, r2, #0x10			; r2 contains "the darkening factor".
0800E7AC: 0C16    lsr     r6, r2, #0x10			; value gets kinda ANDed with #$0000FFFF and than stored in r6
0800E7AE: 041B    lsl     r3, r3, #0x10			; r3 contains the number of colors to do
0800E7B0: 0C1B    lsr     r3, r3, #0x10			; r3 gets kinda AND #$0000FFFF
0800E7B2: 9301    str     r3, [sp, #0x004]		; Store r3 in [sp, #0x004]
0800E7B4: 0400    lsl     r0, r0, #0x10
0800E7B6: 0C00    lsr     r0, r0, #0x10			; r0 = AND #$00FF
0800E7B8: 4684    mov     r12, r0			; r12 = r0
0800E7BA: 0409    lsl     r1, r1, #0x10			; From the old r1 value, r1 contains the lower bytes in the higher bytes
0800E7BC: 0C0F    lsr     r7, r1, #0x10			; From the old r1 value, r7 contains the lower bytes, the higher bytes are =0
0800E7BE: 0424    lsl     r4, r4, #0x10
0800E7C0: 0C24    lsr     r4, r4, #0x10			; r4 = AND #$00FF
0800E7C2: 2000    mov     r0, #0x00
0800E7C4: 9002    str     r0, [sp, #0x008]		; clear color counter
0800E7C6: 4298    cmp     r0, r3				; compare r0 = cleared counter with number of colors to do
0800E7C8: D300    bcc     0x0800E7CC			; branch if r3 is bigger (there are more than 0 colors to do)
0800E7CA: E08D    b       0x0800E8E8			; if not, EXIT

0800E7CC: 0430    lsl     r0, r6, #0x10
0800E7CE: 1403    asr     r3, r0, #0x10			; r3 contains the darkening factor + AND #$0000FFFF
0800E7D0: 46E0    mov     r8, r12			; r8 := r12
0800E7D2: 4641    mov     r1, r8
0800E7D4: 201F    mov     r0, #0x1F
0800E7D6: 4001    and     r1, r0
0800E7D8: 4688    mov     r8, r1			; r8 := r12 + AND #0000001F
0800E7DA: 1C38    add     r0, r7, #0x0
0800E7DC: 211F    mov     r1, #0x1F
0800E7DE: 4008    and     r0, r1
0800E7E0: 0140    lsl     r0, r0, #0x5
0800E7E2: 9003    str     r0, [sp, #0x00C]		; [sp, #0x00C] := (r7 + AND #$0000001F) << 5
0800E7E4: 1C20    add     r0, r4, #0x0
0800E7E6: 4008    and     r0, r1
0800E7E8: 0080    lsl     r0, r0, #0x2
0800E7EA: 9004    str     r0, [sp, #0x010]		; [sp, #0x010] := (r4 + AND #$00000001F) << 2
0800E7EC: 207D    mov     r0, #0x7D			; r0 = #$0000007D
0800E7EE: 4240    neg     r0, r0			; r0 = #$FFFFFF83 = %....1111.1000.0011
0800E7F0: 4682    mov     r10, r0
; Repeat jumps here
0800E7F2: 9900    ldr     r1, [sp]			; [sp] contains the address of the base color
0800E7F4: 6808    ldr     r0, [r1]			; r0 = base color

; First: Compare lowest color segment
;?
0800E7F6: 06C2    lsl     r2, r0, #0x1B		; r1 = r0 + AND #$001F
0800E7F8: 0ED1    lsr     r1, r2, #0x1B		; Separate the lowest color segment
0800E7FA: 4681    mov     r9, r0			; Conservate base color in r9
0800E7FC: 4561    cmp     r1, r12			; Compare Color Segment with, eh, sumthin'
0800E7FE: D206    bcs     0x0800E80E			; Branch if r1 is greater

;?
0800E800: 1C08    add     r0, r1, #0x0
0800E802: 18C0    add     r0, r0, r3
0800E804: 4560    cmp     r0, r12
0800E806: DA12    bge     0x0800E82E

;?
0800E808: 0ED0    lsr     r0, r2, #0x1B
0800E80A: 1980    add     r0, r0, r6
0800E80C: E007    b       0x0800E81E

; Second: Compare lowest color segment again
;?
0800E80E: 0ED0    lsr     r0, r2, #0x1B		; r0 = color segment of the base color
0800E810: 4560    cmp     r0, r12
0800E812: D90C    bls     0x0800E82E			; branches if equal, passes if r0 is greater than r12

;?
0800E814: 1AC0    sub     r0, r0, r3			; subtract the darkening factor from the base color segment
									; r0 is negative if the color segment is smaller than the darkening factor
0800E816: 4560    cmp     r0, r12
0800E818: DD09    ble     0x0800E82E			; branches if r0 is negative and r12 = 0

; Store lowest color segment
; IF BASE COLOR SEGMENT is greater than darkening factor
0800E81A: 0ED0    lsr     r0, r2, #0x1B		; r0 = base color segment
0800E81C: 1B80    sub     r0, r0, r6			; r0 = minus darkening factor
0800E81E: 211F    mov     r1, #0x1F			; r1 = AND mask
0800E820: 4008    and     r0, r1			; remove everything but the color segment
0800E822: 782A    ldrb    r2, [r5]
0800E824: 393F    sub     r1, #0x3F			; r1 = #$FFFFFFE0 = %....1111.1110.0000
0800E826: 4011    and     r1, r2
0800E828: 4301    orr     r1, r0			; remove old color segment, store new one back
0800E82A: 7029    strb    r1, [r5]			; store it
0800E82C: E006    b       0x0800E83C

; ?
0800E82E: 7829    ldrb    r1, [r5]			; r1 =
0800E830: 2020    mov     r0, #0x20			; r0 = #$00000020
0800E832: 4240    neg     r0, r0			; r0 = #$FFFFFFE0 = %...1111.1110.0000
0800E834: 4008    and     r0, r1			; removes the lower five bits from r1.
0800E836: 4641    mov     r1, r8
0800E838: 4308    orr     r0, r1
0800E83A: 7028    strb    r0, [r5]
; Calculate middle color segment
0800E83C: 4648    mov     r0, r9			; r9 contains the "100% color", the base color
0800E83E: 0581    lsl     r1, r0, #0x16
0800E840: 0EC8    lsr     r0, r1, #0x1B		; separates the middle color segment: "AND $00003E0" + >> 5
0800E842: 42B8    cmp     r0, r7
0800E844: D205    bcs     0x0800E852			; branches when equal, and if r0 is greater

;?
0800E846: 18C0    add     r0, r0, r3
0800E848: 42B8    cmp     r0, r7
0800E84A: DA15    bge     0x0800E878
0800E84C: 0EC8    lsr     r0, r1, #0x1B
0800E84E: 1980    add     r0, r0, r6
0800E850: E007    b       0x0800E862

;?
0800E852: 0EC8    lsr     r0, r1, #0x1B		; r0 = middle color segment
0800E854: 42B8    cmp     r0, r7
0800E856: D90F    bls     0x0800E878			; branches when equal, passes if r0 is greater

;?
0800E858: 1AC0    sub     r0, r0, r3			; subtract the darkening factor from the base color middle segment
								; r0 is negative if the color segment is smaller than the darkening factor
0800E85A: 42B8    cmp     r0, r7
0800E85C: DD0C    ble     0x0800E878			; branches if r0 is negative and r7 is 0

0800E85E: 0EC8    lsr     r0, r1, #0x1B

; Fitting in newly calculated middle color segment into result color value
0800E860: 1B80    sub     r0, r0, r6			; subtract "darkening factor"
0800E862: 211F    mov     r1, #0x1F			; AND mask
0800E864: 4008    and     r0, r1			; remove all bits that do not belong to the five color bits
0800E866: 0140    lsl     r0, r0, #0x5			; shift the color back in position
0800E868: 882A    ldrh    r2, [r5]			; load color as it is
0800E86A: 4902    ldr     r1, =#0xFFFFFC1F		; load AND mask to remove the middle color value
0800E86C: 4011    and     r1, r2			; remove
0800E86E: 4301    orr     r1, r0			; add new color piece
0800E870: 8029    strh    r1, [r5]			; store it
0800E872: E007    b       0x0800E884

; Data
; 0800E874: FC1F    bl      0x080160B4
; 0800E876: FFFF    bl      0x07C2E876

; ?
0800E878: 8829    ldrh    r1, [r5]
0800E87A: 4808    ldr     r0, =#0xFFFFFC1F
0800E87C: 4008    and     r0, r1			; AND #$1111.1111.1111.1111.1111.1100.0001.1111
0800E87E: 9903    ldr     r1, [sp, #0x00C]
0800E880: 4308    orr     r0, r1
0800E882: 8028    strh    r0, [r5]


; calculate new highest color segment
0800E884: 4648    mov     r0, r9			; load "base" color
0800E886: 0441    lsl     r1, r0, #0x11
0800E888: 0EC8    lsr     r0, r1, #0x1B		; separate highest color segment: $00007E00
0800E88A: 42A0    cmp     r0, r4
0800E88C: D208    bcs     0x0800E8A0			; branches when equal and r0 is greater

;?
0800E88E: 18C0    add     r0, r0, r3
0800E890: 42A0    cmp     r0, r4
0800E892: DA16    bge     0x0800E8C2			; branches when equal

; ?
0800E894: 0EC8    lsr     r0, r1, #0x1B
0800E896: 1980    add     r0, r0, r6
0800E898: E00A    b       0x0800E8B0

; Data
; 0800E89A: 0000    lsl     r0, r0, #0x0
; 0800E89C: FC1F    bl      0x0800F0DC
; 0800E89E: FFFF    bl      0x07C2E89E

; ?
0800E8A0: 0EC8    lsr     r0, r1, #0x1B		; restore the base color segment value
0800E8A2: 42A0    cmp     r0, r4
0800E8A4: D90D    bls     0x0800E8C2			; passes if r0 is greater than r4

; ?
0800E8A6: 1AC0    sub     r0, r0, r3			; subtract the darkening factor from the base color higher segment
								; r0 is negative if the color segment is smaller than the darkening factor
0800E8A8: 42A0    cmp     r0, r4
0800E8AA: DD0A    ble     0x0800E8C2			; branches if r0 is negative and r4 is empty

; Fitting in newly calculated high color segment into result color value
0800E8AC: 0EC8    lsr     r0, r1, #0x1B		; restore the base color segment value
0800E8AE: 1B80    sub     r0, r0, r6			; subtract "darkening factor"
0800E8B0: 211F    mov     r1, #0x1F			; AND mask
0800E8B2: 4008    and     r0, r1			; separate the color bits
0800E8B4: 0080    lsl     r0, r0, #0x2			; shift back in the right position
0800E8B6: 786A    ldrb    r2, [r5, #0x01]		; load the high byte of the color
0800E8B8: 4651    mov     r1, r10			; Load AND mask in r1
0800E8BA: 4011    and     r1, r2			; Remove old five color segment bits from the color's high byte
0800E8BC: 4301    orr     r1, r0			; add new color segment
0800E8BE: 7069    strb    r1, [r5, #0x01]		; Store back high byte
0800E8C0: E005    b       0x0800E8CE

; ?
0800E8C2: 7869    ldrb    r1, [r5, #0x01]
0800E8C4: 4650    mov     r0, r10			; Load AND mask in r0
0800E8C6: 4008    and     r0, r1
0800E8C8: 9904    ldr     r1, [sp, #0x010]
0800E8CA: 4308    orr     r0, r1
0800E8CC: 7068    strb    r0, [r5, #0x01]

; Color done, should another one be done or should this be exited?
0800E8CE: 9802    ldr     r0, [sp, #0x008]
0800E8D0: 3001    add     r0, #0x01			; Increase Colors-Done-Counter
0800E8D2: 0400    lsl     r0, r0, #0x10
0800E8D4: 0C00    lsr     r0, r0, #0x10		; remove two high-bytes from Colors-Done-Counter
0800E8D6: 9002    str     r0, [sp, #0x008]		; Store back Colors-Done-Counter
0800E8D8: 9800    ldr     r0, [sp]			; Load address of next color-to-be-done
0800E8DA: 3002    add     r0, #0x02			; increment the address (address = 16 bit)
0800E8DC: 9000    str     r0, [sp]			; store back
0800E8DE: 3502    add     r5, #0x02			; increment address in r5 (the same as right above)
0800E8E0: 9902    ldr     r1, [sp, #0x008]
0800E8E2: 9801    ldr     r0, [sp, #0x004]
0800E8E4: 4281    cmp     r1, r0			; all colors done?
0800E8E6: D384    bcc     0x0800E7F2			; if not, branch

; Restore and Exit
0800E8E8: B005    add     sp, #0x014
0800E8EA: BC38    pop     {r3, r4, r5}
0800E8EC: 4698    mov     r8, r3
0800E8EE: 46A1    mov     r9, r4
0800E8F0: 46AA    mov     r10, r5
0800E8F2: BCF0    pop     {r4, r5, r6, r7}
0800E8F4: BC01    pop     {r0}
0800E8F6: 4700    bx      r0

$0800EBE4 - ?

0800EBE4: B570    push    {r4, r5, r6, lr}
0800EBE6: 1C04    add     r4, r0, #0x0			; r4 = Orig. r0
0800EBE8: 0409    lsl     r1, r1, #0x10
0800EBEA: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
0800EBEC: 0412    lsl     r2, r2, #0x10
0800EBEE: 0C15    lsr     r5, r2, #0x10			; r5 = Orig. r2 AND #$0000FFFF
0800EBF0: 041B    lsl     r3, r3, #0x10
0800EBF2: 0C1E    lsr     r6, r3, #0x10			; r6 = Orig. r3 AND #$0000FFFF
0800EBF4: 7D20    ldrb    r0, [r4, #0x14]
0800EBF6: 4281    cmp     r1, r0
0800EBF8: D21B    bcs     0x0800EC32

0800EBFA: 2300    mov     r3, #0x00
0800EBFC: 84E1    strh    r1, [r4, #0x26]
0800EBFE: 6922    ldr     r2, [r4, #0x10]
0800EC00: 1850    add     r0, r2, r1
0800EC02: 7841    ldrb    r1, [r0, #0x01]
0800EC04: 7880    ldrb    r0, [r0, #0x02]
0800EC06: 1852    add     r2, r2, r1
0800EC08: 1A40    sub     r0, r0, r1
0800EC0A: 0FC1    lsr     r1, r0, #0x1F
0800EC0C: 1840    add     r0, r0, r1
0800EC0E: 1040    asr     r0, r0, #0x1
0800EC10: 8520    strh    r0, [r4, #0x28]
0800EC12: 62E2    str     r2, [r4, #0x2C]
0800EC14: 8623    strh    r3, [r4, #0x30]
0800EC16: 7810    ldrb    r0, [r2]
0800EC18: 8660    strh    r0, [r4, #0x32]
0800EC1A: 7850    ldrb    r0, [r2, #0x01]
0800EC1C: 80A0    strh    r0, [r4, #0x04]
0800EC1E: 1C20    add     r0, r4, #0x0
0800EC20: 3037    add     r0, #0x37
0800EC22: 7005    strb    r5, [r0]
0800EC24: 3001    add     r0, #0x01
0800EC26: 7006    strb    r6, [r0]
0800EC28: 1C20    add     r0, r4, #0x0
0800EC2A: F000    bl       
0800EC2C: F807    bl      0x0800EC3C
0800EC2E: 2001    mov     r0, #0x01
0800EC30: E000    b       0x0800EC34

0800EC32: 2000    mov     r0, #0x00

0800EC34: BC70    pop     {r4, r5, r6}
0800EC36: BC02    pop     {r1}
0800EC38: 4708    bx      r1
;0800EC3A: 0000    lsl     r0, r0, #0x0

$080142A0 - ?

This changes the following registers:

  1. $0001 = $02009D28, $02009D9C, $02009E10, $02009E84, $02009EF8, $02009F6C
  2. $00FF = $02009D2A, $02009D9E, $02009E12, $02009E86, $02009EFA, $02009F6E
  3. $FFFF = $0200A240, $0200A242, $0200A244, $0200A246, $0200A248, $0200A24A
080142A0: B5F0    push    {r4, r5, r6, r7, lr}

080142A2: 2200    mov     r2, #0x00
080142A4: 480E    ldr     r0, =#0x02009CD0
080142A6: 4684    mov     r12, r0
080142A8: 2774    mov     r7, #0x74
080142AA: 4E0E    ldr     r6, =#0x0200A240
080142AC: 2501    mov     r5, #0x01
080142AE: 24FF    mov     r4, #0xFF
080142B0: 480D    ldr     r0, =#0x0000FFFF
080142B2: 1C03    add     r3, r0, #0x0

080142B4: 1C10    add     r0, r2, #0x0			; Load Loop Counter in r0
080142B6: 4378    mul     r0, r7			; Multiply it with #$74
080142B8: 4460    add     r0, r12			; r0 = #$02009CD0 + Result of above
080142BA: 1C01    add     r1, r0, #0x0
080142BC: 3158    add     r1, #0x58			; Add #$58 to that address
080142BE: 800D    strh    r5, [r1]			; Store #$01 there
080142C0: 305A    add     r0, #0x5A			; Add #$5A to the address
080142C2: 8004    strh    r4, [r0]			; Store #$FF there
080142C4: 0051    lsl     r1, r2, #0x1
080142C6: 1989    add     r1, r1, r6
080142C8: 8808    ldrh    r0, [r1]
080142CA: 4318    orr     r0, r3
080142CC: 8008    strh    r0, [r1]
080142CE: 1C50    add     r0, r2, #0x1			; Increment Loop Counter
080142D0: 0400    lsl     r0, r0, #0x10
080142D2: 0C02    lsr     r2, r0, #0x10
080142D4: 2A05    cmp     r2, #0x05
080142D6: D9ED    bls     0x080142B4			; Loop until r2 reaches #$06

080142D8: BCF0    pop     {r4, r5, r6, r7}
080142DA: BC01    pop     {r0}
080142DC: 4700    bx      r0

;DATA
;============
;080142DE: 0000    lsl     r0, r0, #0x0
;080142E0: 9CD0    ldr     r4, [sp, #0x340]
;080142E2: 0200    lsl     r0, r0, #0x8
;080142E4: A240    add     r2, =#0xF7F22101
;080142E6: 0200    lsl     r0, r0, #0x8
;080142E8: FFFF    bl      0x082152E8
;080142EA: 0000    lsl     r0, r0, #0x0

0801C52C: B500    push    {lr}
0801C52E: F7FF    bl       
0801C530: FF7F    bl      0x0801C430	; Nintendo Logo Data Transfer
0801C532: F000    bl       
0801C534: F807    bl      0x0801C544	; Fade Nintendo Logo in and keep it on screen
0801C536: F000    bl       
0801C538: F83D    bl      0x0801C5B4	; (Unnecessary) Transfer of the palette
0801C53A: F7FF    bl       
0801C53C: FFC5    bl      0x0801C4C8	; Fade Nintendo Logo out
0801C53E: BC01    pop     {r0}
0801C540: 4700    bx      r0

$0801C544 - Fade Nintendo Logo in and keep it on screen

0801C544: B530    push    {r4, r5, lr}
0801C546: B08B    add     sp, #-0x02C			; adds eleven new entries to stack
									; the last three are for other values,
									; the first eight are for a palette
									
0801C548: 241F    mov     r4, #0x1F			; Counter for the coming loop
0801C54A: 2500    mov     r5, #0x00

; ---
; Fade out loop
0801C54C: 0420    lsl     r0, r4, #0x10
0801C54E: 1404    asr     r4, r0, #0x10			; Remove both upper bytes AND #$0000FFFF
0801C550: 9500    str     r5, [sp]
0801C552: 9501    str     r5, [sp, #0x004]
0801C554: 9502    str     r5, [sp, #0x008]
0801C556: 4816    ldr     r0, =#0x08625E0C		; Address of the base colors
0801C558: A903    add     r1, sp, #0x00C		; "Where to store" address
0801C55A: 1C22    add     r2, r4, #0x0			; darkening factor = r4, the counter for this loop
0801C55C: 2310    mov     r3, #0x10			; Number of colors to do
0801C55E: F7F2    bl       
0801C560: F919    bl      0x0800E794			; Color "Scaler"
0801C562: A803    add     r0, sp, #0x00C
0801C564: 21A0    mov     r1, #0xA0
0801C566: 04C9    lsl     r1, r1, #0x13			; r1 = #$05000000
0801C568: 2210    mov     r2, #0x10			; r2 = #$00000010
0801C56A: F0A3    bl       
0801C56C: FA1B    bl      0x080BF9A4			; SWI cpuset
0801C56E: F000    bl       
0801C570: FA3B    bl      0x0801C9E8			; Button stuff
0801C572: 0400    lsl     r0, r0, #0x10			; r0 = 1 if A or START is pushed, else r0 = 0
0801C574: 2800    cmp     r0, #0x00
0801C576: D117    bne     0x0801C5A8			; branch to the exit if A or START is pushed.
0801C578: F000    bl       					; EXECUTED TWICE, TWO FRAMES PER COLOR SET
0801C57A: FA36    bl      0x0801C9E8			; Button stuff
0801C57C: 0400    lsl     r0, r0, #0x10			; r0 = 1 if A or START is pushed, else r0 = 0
0801C57E: 2800    cmp     r0, #0x00
0801C580: D112    bne     0x0801C5A8			; branch to the exit if A or START is pushed.
0801C582: 1E60    sub     r0, r4, #0x1			; Decrement r4
0801C584: 0400    lsl     r0, r0, #0x10
0801C586: 0C04    lsr     r4, r0, #0x10
0801C588: 2800    cmp     r0, #0x00
0801C58A: DADF    bge     0x0801C54C			; Fade in Nintendo Logo
; ---



0801C58C: 2400    mov     r4, #0x00			; clear counter
; ---
; Loop
0801C58E: F000    bl       
0801C590: FA2B    bl      0x0801C9E8
0801C592: 0400    lsl     r0, r0, #0x10			; r0 = 1 if A or START is pushed, else r0 = 0
0801C594: 2800    cmp     r0, #0x00
0801C596: D107    bne     0x0801C5A8			; branch to the exit if A or START is pushed.

0801C598: 0420    lsl     r0, r4, #0x10
0801C59A: 2180    mov     r1, #0x80
0801C59C: 0249    lsl     r1, r1, #0x9			; r1 = #$00010000

0801C59E: 1840    add     r0, r0, r1
0801C5A0: 0C04    lsr     r4, r0, #0x10
0801C5A2: 1400    asr     r0, r0, #0x10
0801C5A4: 2877    cmp     r0, #0x77
0801C5A6: DDF2    ble     0x0801C58E
; Loop end
; ---

0801C5A8: B00B    add     sp, #0x02C
0801C5AA: BC30    pop     {r4, r5}
0801C5AC: BC01    pop     {r0}
0801C5AE: 4700    bx      r0

; 0801C5B0: 5E0C    ldsh    r4, [r1, r0]
; 0801C5B2: 0862    lsr     r2, r4, #0x1

$0801C5B4 - Transfer Nintendo Logo Color Palette

0801C5B4: B500    push    {lr}
0801C5B6: 4804    ldr     r0, =#0x08625E0C	; r0 = $08625E0C
0801C5B8: 21A0    mov     r1, #0xA0
0801C5BA: 04C9    lsl     r1, r1, #0x13		; r1 = $05000000
0801C5BC: 2210    mov     r2, #0x10		; r2 = $00000010
0801C5BE: F0A3    bl       
0801C5C0: F9F1    bl      0x080BF9A4		; swi CpuSet
0801C5C2: BC01    pop     {r0}
0801C5C4: 4700    bx      r0

; DATA
; 0801C5C6: 0000    lsl     r0, r0, #0x0
; 0801C5C8: 5E0C    ldsh    r4, [r1, r0]
; 0801C5CA: 0862    lsr     r2, r4, #0x1

$0801C5CC - Transfer Brownie Brown Logo Data

0801C5CC: B570    push    {r4, r5, r6, lr}
0801C5CE: B084    add     sp, #-0x010
0801C5D0: F7E5    bl       
0801C5D2: F802    bl      0x080015D8			; Collect button Data
0801C5D4: 2180    mov     r1, #0x80
0801C5D6: 04C9    lsl     r1, r1, #0x13			; r1 = #$04000000
0801C5D8: 2286    mov     r2, #0x86
0801C5DA: 0112    lsl     r2, r2, #0x4			; r2 = #$00000860 = #%... 0000.1000.0110.0000
0801C5DC: 1C10    add     r0, r2, #0x0
0801C5DE: 8008    strh    r0, [r1]				; Store #$0860 into #$04000000/1
									; Allow Access to OAM during H-Blank
									; OBJ Character VRAM Mapping: One dimensional
									; Screen Display BG3: on
0801C5E0: 310E    add     r1, #0x0E			; r1 = #$0400000E
0801C5E2: 4A30    ldr     r2, =#0x0000030B		; r2 = #$0000030B = #%... 0000.0011.0000.1011
0801C5E4: 1C10    add     r0, r2, #0x0
0801C5E6: 8008    strh    r0, [r1]				; Store #$030B into #$0400000E/F
									; BG3 on lowest priority = BG3 is the BG
									; Character Base Block = %10 (BG3 Tiles at $06008000)
									; Screen Base block = %0011 (BG3 Map at $06001800)
0801C5E8: 3906    sub     r1, #0x06			; r1 = #$04000008
0801C5EA: 2008    mov     r0, #0x08			; r0 = #$00000008 = #%... 0000.1000
0801C5EC: 8008    strh    r0, [r1]				; Store #$0008 into #$04000008/9
									; BG0 on lowest priority = BG0 is the Brownie Brown Logo
									; Character Base Block = %10 (BG0 Tiles at $06008000)
									; Screen Base Block = %0000 (BG0 Map at $06000000)
0801C5EE: 2100    mov     r1, #0x00
0801C5F0: 4D2D    ldr     r5, =#0x04000010		; BG 0 X-Offset
0801C5F2: 2300    mov     r3, #0x00
0801C5F4: 4C2D    ldr     r4, =#0x04000012		; BG 0 Y-Offset

;----
; Some loop to clear registers
0801C5F6: 0408    lsl     r0, r1, #0x10
0801C5F8: 1400    asr     r0, r0, #0x10
0801C5FA: 0082    lsl     r2, r0, #0x2			; clear registers
0801C5FC: 1951    add     r1, r2, r5
0801C5FE: 800B    strh    r3, [r1]				; store #$0000 into $04000010 (BG1 control)
									; in the other runs of this loop, it clears:
									; $04000014 - BG1 X-Offset
									; $04000018 - BG2 X-Offset
									; $0400001C - BG3 X-Offset
0801C600: 1912    add     r2, r2, r4
0801C602: 8013    strh    r3, [r2]				; store #$0000 into $04000012 (BG2 control)
									; in the other runs of this loop, it clears:
									; $04000016 - BG1 Y-Offset
									; $0400001A - BG2 Y-Offset
									; $0400001E - BG3 Y-Offset
0801C604: 3001    add     r0, #0x01
0801C606: 0400    lsl     r0, r0, #0x10
0801C608: 0C01    lsr     r1, r0, #0x10
0801C60A: 1400    asr     r0, r0, #0x10
0801C60C: 2803    cmp     r0, #0x03
0801C60E: DDF2    ble     0x0801C5F6
;----

0801C610: 4827    ldr     r0, =#0x04000050
0801C612: 2100    mov     r1, #0x00
0801C614: 8001    strh    r1, [r0]				; store #$0000 into $04000050/1 : Turn off special effects
0801C616: 3002    add     r0, #0x02
0801C618: 8001    strh    r1, [r0]				; store #$0000 into $04000052/3 : Turn off Alpha blending coefficients
0801C61A: 4A26    ldr     r2, =#0x04000054
0801C61C: 201F    mov     r0, #0x1F
0801C61E: 8010    strh    r0, [r2]				; store #$001F into $04000054/5 : Turn highest screen brightness on
0801C620: A803    add     r0, sp, #0x00C
0801C622: 8001    strh    r1, [r0]				; I expect this to be an empty space
0801C624: 21A0    mov     r1, #0xA0
0801C626: 04C9    lsl     r1, r1, #0x13			; transfer to $05000000 = Palette
0801C628: 4A23    ldr     r2, =#0x01000010		; transfer 10 bytes, fixed transfer
0801C62A: F0A3    bl       
0801C62C: F9BB    bl      0x080BF9A4			; swi CPUset
0801C62E: 4823    ldr     r0, =#0x086242AC		; Brownie-Brown-Logo and BG
0801C630: 4923    ldr     r1, =#0x06008000		; where to store address: VRAM
0801C632: 22C2    mov     r2, #0xC2
0801C634: 00D2    lsl     r2, r2, #0x3			; r2 = $00000610
0801C636: F0A3    bl       
0801C638: F9B5    bl      0x080BF9A4			; swi CPUset
0801C63A: F7E9    bl       
0801C63C: FE27    bl      0x0800628C			; Clear two Registers for this Sprite Automatic
0801C63E: 2100    mov     r1, #0x00
0801C640: 2604    mov     r6, #0x04			; r6 = #$00000004
; ---
; Outer Loop:
0801C642: 2000    mov     r0, #0x00
0801C644: 040D    lsl     r5, r1, #0x10			; r5 = #$00000000
; ---
; Inner Loop:
; this loop is run 8 times
; always makes a 4x4 BG map square, the tile numbers are (first line) $01-$04, (second line) $05-08
; First loop run:		$01 is written in $06001800
; Second loop run:	$01 is written in $06001808
; Third loop run:		$01 is written in $06001810
0801C646: 0404    lsl     r4, r0, #0x10			; r4 = #$00000000
0801C648: 0C23    lsr     r3, r4, #0x10			; r3 = #$00000000
0801C64A: 0C28    lsr     r0, r5, #0x10
0801C64C: 9000    str     r0, [sp]				; [sp] = #$00000000
0801C64E: 9601    str     r6, [sp, #0x004]		; [sp, #0x004] = #$00000004
0801C650: 9602    str     r6, [sp, #0x008]		; [sp, #0x008] = #$00000004
0801C652: 481C    ldr     r0, =#0x06001800		; r0 = #$06001800
0801C654: 491C    ldr     r1, =#0x0000FFFF		; r1 = #$0000FFFF
0801C656: 2201    mov     r2, #0x01			; r2 = #$00000001
0801C658: F000    bl       
0801C65A: F92C    bl      0x0801C8B4			; rectangle BG mapper
									; makes a 4x4 square, starting at 06001800
0801C65C: 2080    mov     r0, #0x80
0801C65E: 02C0    lsl     r0, r0, #0xB			; r0 = #$00040000
0801C660: 1824    add     r4, r4, r0			; increment Inner Loop counter
0801C662: 0C20    lsr     r0, r4, #0x10
0801C664: 1424    asr     r4, r4, #0x10
0801C666: 2C1F    cmp     r4, #0x1F
0801C668: DDED    ble     0x0801C646
; End if Inner Loop
; ---

0801C66A: 2180    mov     r1, #0x80
0801C66C: 02C9    lsl     r1, r1, #0xB
0801C66E: 1868    add     r0, r5, r1
0801C670: 0C01    lsr     r1, r0, #0x10
0801C672: 1400    asr     r0, r0, #0x10
0801C674: 281F    cmp     r0, #0x1F
0801C676: DDE4    ble     0x0801C642
; Inner loop writes one line of the BG map, the outer loop shifts the line for the inner loop
; ---

0801C678: 20C0    mov     r0, #0xC0
0801C67A: 04C0    lsl     r0, r0, #0x13			; r0 = #$06000000
0801C67C: 210C    mov     r1, #0x0C
0801C67E: 9100    str     r1, [sp]				; [sp] = #$0000000C
0801C680: 2114    mov     r1, #0x14
0801C682: 9101    str     r1, [sp, #0x004]		; [sp, #0x004] = #$00000014
0801C684: 2104    mov     r1, #0x04
0801C686: 9102    str     r1, [sp, #0x008]		; [sp, #0x008] = #$00000004
0801C688: 2100    mov     r1, #0x00			; r1 = #$00000000
0801C68A: 2211    mov     r2, #0x11			; r2 = #$00000011
0801C68C: 2305    mov     r3, #0x05			; r3 = #$00000005
0801C68E: F000    bl       
0801C690: F911    bl      0x0801C8B4			; rectangle BG mapper
; counting from #$11 (r2) on, 4 (sp, 8) lines, 14 (sp, 4) tiles long, starting in row 5  (r3), column C (sp).
0801C692: F7E9    bl       
0801C694: FE05    bl      0x080062A0			; Sprite enable/disable
0801C696: F000    bl       
0801C698: F969    bl      0x0801C96C			; Enable VBLANK
0801C69A: B004    add     sp, #0x010
0801C69C: BC70    pop     {r4, r5, r6}
0801C69E: BC01    pop     {r0}
0801C6A0: 4700    bx      r0

$0801C6CC - Fade Brownie Brown Logo out

0801C6CC: B530    push    {r4, r5, lr}
0801C6CE: 4C19    ldr     r4, =#0xFFFFFDF0
0801C6D0: 44A5    add     sp, r4
0801C6D2: 2400    mov     r4, #0x00
0801C6D4: 2500    mov     r5, #0x00

;BEGIN LOOP
0801C6D6: 0422    lsl     r2, r4, #0x10
0801C6D8: 1412    asr     r2, r2, #0x10
0801C6DA: 9500    str     r5, [sp]
0801C6DC: 9501    str     r5, [sp, #0x004]
0801C6DE: 9502    str     r5, [sp, #0x008]
0801C6E0: 4815    ldr     r0, =#0x08624ECC	; r0 = Source Address for Palette
0801C6E2: A903    add     r1, sp, #0x00C
0801C6E4: 2310    mov     r3, #0x10
0801C6E6: F7F2    bl       
0801C6E8: F855    bl      0x0800E794		; Color "Scaler"
0801C6EA: A803    add     r0, sp, #0x00C
0801C6EC: 21A0    mov     r1, #0xA0
0801C6EE: 04C9    lsl     r1, r1, #0x13
0801C6F0: 2210    mov     r2, #0x10
0801C6F2: F0A3    bl       
0801C6F4: F957    bl      0x080BF9A4		; SWI CpuCet
0801C6F6: F000    bl       
0801C6F8: F98B    bl      0x0801CA10		; Some-kind-of-Reset, r0, r2, button data
0801C6FA: F7E9    bl       
0801C6FC: FDD1    bl      0x080062A0		; Enable/Disable Sprites
0801C6FE: F000    bl       
0801C700: F987    bl      0x0801CA10		; Some-kind-of-Reset, r0, r2, button data
0801C702: F7E9    bl       
0801C704: FDCD    bl      0x080062A0		; Enable/Disable Sprites
0801C706: 1C60    add     r0, r4, #0x1
0801C708: 0400    lsl     r0, r0, #0x10
0801C70A: 0C04    lsr     r4, r0, #0x10		; Increment counter
0801C70C: 2C1F    cmp     r4, #0x1F
0801C70E: D9E2    bls     0x0801C6D6


0801C710: 2080    mov     r0, #0x80
0801C712: 04C0    lsl     r0, r0, #0x13		; $4000000
0801C714: 2100    mov     r1, #0x00
0801C716: 8001    strh    r1, [r0]
0801C718: A883    add     r0, sp, #0x20C
0801C71A: 8001    strh    r1, [r0]
0801C71C: 21A0    mov     r1, #0xA0
0801C71E: 04C9    lsl     r1, r1, #0x13
0801C720: 4A06    ldr     r2, =#0x01000010
0801C722: F0A3    bl       
0801C724: F93F    bl      0x080BF9A4		; swi cpuset
0801C726: 2384    mov     r3, #0x84
0801C728: 009B    lsl     r3, r3, #0x2
0801C72A: 449D    add     sp, r3
0801C72C: BC30    pop     {r4, r5}
0801C72E: BC01    pop     {r0}
0801C730: 4700    bx      r0
;0801C732: 0000    lsl     r0, r0, #0x0
;0801C734: FDF0    bl      0x0801D316
;0801C736: FFFF    bl      0x07E0D736
;0801C738: 4ECC    ldr     r6, =#0x28018818
;0801C73A: 0862    lsr     r2, r4, #0x1
;0801C73C: 0010    lsl     r0, r2, #0x0
;0801C73E: 0100    lsl     r0, r0, #0x4

0801C740: B500    push    {lr}
0801C742: F7FF    bl       
0801C744: FF43    bl      0x0801C5CC	; Transfer Brownie Brown Logo Data
0801C746: F000    bl       
0801C748: F807    bl      0x0801C758	; Fade Brownie Brown Logo in and keep it on Screen
0801C74A: F000    bl       
0801C74C: F875    bl      0x0801C838	; Transfer Brownie Brown Logo Color Palette (again)
0801C74E: F7FF    bl       
0801C750: FFBD    bl      0x0801C6CC	; Fade Brownie Brown Logo Out
0801C752: BC01    pop     {r0}
0801C754: 4700    bx      r0

$0801C758 - Fade Brownie Brown Logo in and keep it on Screen

0801C758: B530    push    {r4, r5, lr}
0801C75A: B08B    add     sp, #-0x02C
0801C75C: 241F    mov     r4, #0x1F
0801C75E: 2500    mov     r5, #0x00

0801C760: 0420    lsl     r0, r4, #0x10			; (Begin of loop)
0801C762: 1404    asr     r4, r0, #0x10			; cleared upper two bytes of r4
0801C764: 9500    str     r5, [sp]
0801C766: 9501    str     r5, [sp, #0x004]
0801C768: 9502    str     r5, [sp, #0x008]
0801C76A: 482F    ldr     r0, =#0x08624ECC		; "where to load" address
0801C76C: A903    add     r1, sp, #0x00C		; "where to store" address
0801C76E: 1C22    add     r2, r4, #0x0			; "darkening factor" = loop counter value (darkening factor gets lower = colors become brighter)
0801C770: 2310    mov     r3, #0x10			; number of colors to do
0801C772: F7F2    bl       
0801C774: F80F    bl      0x0800E794			; Color Scaler
0801C776: A803    add     r0, sp, #0x00C
0801C778: 21A0    mov     r1, #0xA0
0801C77A: 04C9    lsl     r1, r1, #0x13			; r1 = #$05000000
0801C77C: 2210    mov     r2, #0x10			; r2 = #$00000010
0801C77E: F0A3    bl       
0801C780: F911    bl      0x080BF9A4			; SWI CpuSet	(Transfers Colors from TEMP into $05000000)
0801C782: F000    bl       
0801C784: F8DF    bl      0x0801C944			; Some-kind-of-reset, r0, r2, button data
0801C786: 0400    lsl     r0, r0, #0x10
0801C788: 2800    cmp     r0, #0x00
0801C78A: D149    bne     0x0801C820			; Branch if A or Start was pushed
0801C78C: F000    bl       
0801C78E: F8DA    bl      0x0801C944			; Some-kind-of-reset, r0, r2, button data
0801C790: 0400    lsl     r0, r0, #0x10			; EXECUTED TWICE, TWO FRAMES PER COLOR SET
0801C792: 0C03    lsr     r3, r0, #0x10
0801C794: 2B00    cmp     r3, #0x00
0801C796: D143    bne     0x0801C820			; Branch if A or Start was pushed

0801C798: 1E60    sub     r0, r4, #0x1			; decrement counter (r4)
0801C79A: 0400    lsl     r0, r0, #0x10
0801C79C: 0C04    lsr     r4, r0, #0x10
0801C79E: 2800    cmp     r0, #0x00			; has the counter gone under 0?
0801C7A0: DADE    bge     0x0801C760			; If not yet, branch (loop)

0801C7A2: 2280    mov     r2, #0x80			; TURN ON BG0 AND OBJ
0801C7A4: 04D2    lsl     r2, r2, #0x13			; 04000000
0801C7A6: 8810    ldrh    r0, [r2]				; load BG Mode 'n stuff
0801C7A8: 2484    mov     r4, #0x84
0801C7AA: 01A4    lsl     r4, r4, #0x6			; r4 = #$00002100
0801C7AC: 1C21    add     r1, r4, #0x0
0801C7AE: 4308    orr     r0, r1				; OR it (Turns BG0 and OBJ on)
0801C7B0: 8010    strh    r0, [r2]				; store back

0801C7B2: 491E    ldr     r1, =#0x04000040		; ACTIVATE WINDOW
0801C7B4: 20EF    mov     r0, #0xEF
0801C7B6: 8008    strh    r0, [r1]				; Window X coordinates:  $00-$EF
0801C7B8: 3104    add     r1, #0x04
0801C7BA: 2060    mov     r0, #0x60
0801C7BC: 8008    strh    r0, [r1]				; Window Y coordinates: $00-$60
0801C7BE: 3104    add     r1, #0x04
0801C7C0: 2009    mov     r0, #0x09
0801C7C2: 8008    strh    r0, [r1]				; Enable BG0 and OBJ inside of the Window
0801C7C4: 3102    add     r1, #0x02
0801C7C6: 2008    mov     r0, #0x08
0801C7C8: 8008    strh    r0, [r1]				; Enable BG3 outside of the Window
0801C7CA: 4819    ldr     r0, =#0x04000050
0801C7CC: 8003    strh    r3, [r0]				; Clears BLDCNT - Color Special Effects Selection
0801C7CE: 3002    add     r0, #0x02			; r3 is empty; r3 contains the pushed button data, and this is not executed if r3 isn't 0
0801C7D0: 8003    strh    r3, [r0]				; Clears BLDALPHA - Alpha Blending Coefficients
0801C7D2: 3002    add     r0, #0x02
0801C7D4: 8003    strh    r3, [r0]				; Clears BLDY - Brightness (Fade-In/Out) Coefficient
0801C7D6: 2400    mov     r4, #0x00

0801C7D8: 4816    ldr     r0, =#0x04000012		; BEGIN OF LOOP
0801C7DA: 8004    strh    r4, [r0]				; BG0VOFS
0801C7DC: F000    bl       
0801C7DE: F8B2    bl      0x0801C944			; Some-kind-of-reset, r0, r2, button data
0801C7E0: 0400    lsl     r0, r0, #0x10
0801C7E2: 2800    cmp     r0, #0x00
0801C7E4: D11C    bne     0x0801C820			; Branch if A or Start was pushed
0801C7E6: F000    bl       
0801C7E8: F8AD    bl      0x0801C944			; Some-kind-of-reset, r0, r2, button data
0801C7EA: 0400    lsl     r0, r0, #0x10			; EXECUTED TWICE, TWO FRAMES PER COLOR SET
0801C7EC: 2800    cmp     r0, #0x00
0801C7EE: D117    bne     0x0801C820			; Branch if A or Start was pushed
0801C7F0: 0420    lsl     r0, r4, #0x10			; r0 = r4 * #$10000
0801C7F2: 2180    mov     r1, #0x80
0801C7F4: 0249    lsl     r1, r1, #0x9			; r1 =  #$10000
0801C7F6: 1840    add     r0, r0, r1			; "increment" r0
0801C7F8: 0C04    lsr     r4, r0, #0x10
0801C7FA: 1400    asr     r0, r0, #0x10
0801C7FC: 2820    cmp     r0, #0x20
0801C7FE: DDEB    ble     0x0801C7D8			; loop as long as r0/r4 isn't greater than #$20

0801C800: 2400    mov     r4, #0x00
0801C802: F000    bl       
0801C804: F89F    bl      0x0801C944			; Some-kind-of-reset, r0, r2, button data
0801C806: 0400    lsl     r0, r0, #0x10
0801C808: 2800    cmp     r0, #0x00
0801C80A: D109    bne     0x0801C820			; Branch if A or Start was pushed
0801C80C: F7E9    bl       
0801C80E: FD48    bl      0x080062A0			; Enable / Disable Sprites
0801C810: 0420    lsl     r0, r4, #0x10			; r0 = r4 * #$10000
0801C812: 2480    mov     r4, #0x80
0801C814: 0264    lsl     r4, r4, #0x9			; r4 = #$10000
0801C816: 1900    add     r0, r0, r4			; "Increment" r0
0801C818: 0C04    lsr     r4, r0, #0x10			; r4 = r0 : #$10000
0801C81A: 1400    asr     r0, r0, #0x10			; r0 : #$10000
0801C81C: 2877    cmp     r0, #0x77
0801C81E: DDF0    ble     0x0801C802			; loop as long as r0/r4 isn't greater than #$77

0801C820: B00B    add     sp, #0x02C
0801C822: BC30    pop     {r4, r5}
0801C824: BC01    pop     {r0}
0801C826: 4700    bx      r0

$0801C838 - Transfer Brownie Brown Logo Color Palette

0801C838: B570    push    {r4, r5, r6, lr}
0801C83A: 4918    ldr     r1, =#0x0400000E
0801C83C: 4A18    ldr     r2, =#0x0000030B
0801C83E: 1C10    add     r0, r2, #0x0
0801C840: 8008    strh    r0, [r1]				; Store #$030B into #$0400000E/F
									; BG3 on lowest priority = BG3 is the BG
									; Character Base Block = %10 (BG3 Tiles at $06008000)
									; Screen Base block = %0011 (BG3 Map at $06001800)

0801C842: 3906    sub     r1, #0x06
0801C844: 2008    mov     r0, #0x08
0801C846: 8008    strh    r0, [r1]				; Store #$0008 into #$04000008/9
									; BG0 on lowest priority = BG0 is the Brownie Brown Logo
									; Character Base Block = %10 (BG0 Tiles at $06008000)
									; Screen Base Block = %0000 (BG0 Map at $06000000)

0801C848: 2201    mov     r2, #0x01
0801C84A: 4E16    ldr     r6, =#0x08624ECC

0801C84C: 4D16    ldr     r5, =#0x04000010		; BG 0 X-Offset
0801C84E: 2300    mov     r3, #0x00
0801C850: 4C16    ldr     r4, =#0x04000012		; BG 0 Y-Offset

; Clear BG X/Y-Offsets with a loop
0801C852: 0091    lsl     r1, r2, #0x2
0801C854: 1948    add     r0, r1, r5
0801C856: 8003    strh    r3, [r0]
0801C858: 1909    add     r1, r1, r4
0801C85A: 800B    strh    r3, [r1]
0801C85C: 1C50    add     r0, r2, #0x1
0801C85E: 0400    lsl     r0, r0, #0x10
0801C860: 0C02    lsr     r2, r0, #0x10
0801C862: 2A03    cmp     r2, #0x03
0801C864: D9F5    bls     0x0801C852



0801C866: 4810    ldr     r0, =#0x04000010		; BG0 X-Offset
0801C868: 2100    mov     r1, #0x00
0801C86A: 8001    strh    r1, [r0]				; Clear BG0 X-Offset
0801C86C: 4A0F    ldr     r2, =#0x04000012		; BG0 Y-Offset
0801C86E: 2020    mov     r0, #0x20
0801C870: 8010    strh    r0, [r2]				; Clear BG0 Y-Offset

0801C872: 480F    ldr     r0, =#0x04000050
0801C874: 8001    strh    r1, [r0]				; Clear Special Effects
0801C876: 3002    add     r0, #0x02
0801C878: 8001    strh    r1, [r0]				; Clear Alpha Blending Coefficients
0801C87A: 3002    add     r0, #0x02
0801C87C: 8001    strh    r1, [r0]				; Clear Brightness Coefficient

; Transfer BrownieBrown Palette
0801C87E: 21A0    mov     r1, #0xA0
0801C880: 04C9    lsl     r1, r1, #0x13			; $5000000
0801C882: 1C30    add     r0, r6, #0x0
0801C884: 2210    mov     r2, #0x10
0801C886: F0A3    bl       
0801C888: F88D    bl      0x080BF9A4			; Swi CpuSet

0801C88A: 2180    mov     r1, #0x80
0801C88C: 04C9    lsl     r1, r1, #0x13			; $4000000
0801C88E: 2296    mov     r2, #0x96
0801C890: 0112    lsl     r2, r2, #0x4			; $0960 = %0000.1001.0110.0000
0801C892: 1C10    add     r0, r2, #0x0
0801C894: 8008    strh    r0, [r1]

0801C896: BC70    pop     {r4, r5, r6}
0801C898: BC01    pop     {r0}
0801C89A: 4700    bx      r0

; DATA
; 0801C89C: 000E    lsl     r6, r1, #0x0
; 0801C89E: 0400    lsl     r0, r0, #0x10
; 0801C8A0: 030B    lsl     r3, r1, #0xC
; 0801C8A2: 0000    lsl     r0, r0, #0x0
; 0801C8A4: 4ECC    ldr     r6, =#0x29004001
; 0801C8A6: 0862    lsr     r2, r4, #0x1
; 0801C8A8: 0010    lsl     r0, r2, #0x0
; 0801C8AA: 0400    lsl     r0, r0, #0x10
; 0801C8AC: 0012    lsl     r2, r2, #0x0
; 0801C8AE: 0400    lsl     r0, r0, #0x10
; 0801C8B0: 0050    lsl     r0, r2, #0x1
; 0801C8B2: 0400    lsl     r0, r0, #0x10

$0801C8B4 - Rectangle BG mapper

THIS SUBROUTINE can set a certain space to one value (this feature is optional) and can set a rectangle shaped field in this place. Something like this:

$0A, $0A, $0A, $0A, $0A
$0A, $20, $21, $22, $0A
$0A, $23, $24, $25, $0A
$0A, $0A, $0A, $0A, $0A

The length and the number of lines is set on the stack. I think the value that's the starting value for the increment (I mean, in my example, $20) gets transfered into this subroutine, too

1C-1F r4 18-1B r5 14-17 r6 10-13 r7 0C-0F Link Register 08-0B r8 04-07 r9 00-03 new entry

r0 contains a destination address for a "swi CpuSet" r1 contains a half-word-value that gets fixed-transfered --- the one value that fills the space r2 contains the value the upcounting should begin with (half-word size!)

0801C8B4: B5F0    push    {r4, r5, r6, r7, lr}
0801C8B6: 464F    mov     r7, r9
0801C8B8: 4646    mov     r6, r8
0801C8BA: B4C0    push    {r6, r7}
0801C8BC: B081    add     sp, #-0x004

0801C8BE: 1C07    add     r7, r0, #0x0
0801C8C0: 9808    ldr     r0, [sp, #0x020]			; Loads the last thing that was pushed on the stack *before* this starts
0801C8C2: 9C09    ldr     r4, [sp, #0x024]			; Loads the second last thing that was pushed on the stack *before* this starts
0801C8C4: 9D0A    ldr     r5, [sp, #0x028]			; Loads the third last thing that was pushed on the stack *before* this starts

0801C8C6: 0409    lsl     r1, r1, #0x10
0801C8C8: 0C09    lsr     r1, r1, #0x10				; Remove upper half of r1 value
0801C8CA: 0412    lsl     r2, r2, #0x10
0801C8CC: 0C16    lsr     r6, r2, #0x10				; Remove upper half of r2 value and store it in r6
0801C8CE: 041B    lsl     r3, r3, #0x10
0801C8D0: 0C1B    lsr     r3, r3, #0x10				; Remove upper half of r3 value
0801C8D2: 4699    mov     r9, r3				; Store that r3 value in r9
0801C8D4: 0400    lsl     r0, r0, #0x10
0801C8D6: 0C00    lsr     r0, r0, #0x10				; Remove upper half of r0 value
0801C8D8: 4680    mov     r8, r0				; Store that r0 value in r8
0801C8DA: 0424    lsl     r4, r4, #0x10
0801C8DC: 0C24    lsr     r4, r4, #0x10				; Remove upper half of r4 value
0801C8DE: 042D    lsl     r5, r5, #0x10
0801C8E0: 0C2D    lsr     r5, r5, #0x10				; Remove upper half of r5 value
0801C8E2: 4816    ldr     r0, =#0x0000FFFF
0801C8E4: 4281    cmp     r1, r0				; No transfer if r1 = #$0000FFFF
0801C8E6: D005    beq     0x0801C8F4

; This Swi CpuSet does a fixed transfer of the value that is in r1 into the address that is in r7
0801C8E8: 4668    mov     r0, sp				; r0 = Address in the Stack Pointer
0801C8EA: 8001    strh    r1, [r0]				; Store r1 in the current Stack Pointer register
0801C8EC: 4A14    ldr     r2, =#0x01000400			; fixed transfer
0801C8EE: 1C39    add     r1, r7, #0x0				; destination address
0801C8F0: F0A3    bl       
0801C8F2: F858    bl      0x080BF9A4				; Swi CpuSet

; This calculates the address where to start a new line
; r8 contains the row number, r9 the column number, r7 the overall offset
; Each row consists of 32 tiles; 32 = $20 = 1 << 5
; That is why the number of rows in r8 is LSLed with five.
; Afterwards, the number of tiles-to-skip that is stored in r9 is added to that value
; each BG-Map-entry is two bytes long, thus the LSL << 1
; After that, the overall offset (r7) is added and the result is stored in r7
0801C8F4: 4641    mov     r1, r8				; r1 = r8
0801C8F6: 0148    lsl     r0, r1, #0x5				; r0 = r1 << 5
0801C8F8: 4448    add     r0, r9				; r0 = r0 + r9
0801C8FA: 0040    lsl     r0, r0, #0x1				; r0 = r0 << 1
0801C8FC: 183F    add     r7, r7, r0				; r7 = r7 + r0

0801C8FE: 2000    mov     r0, #0x00
0801C900: 42A8    cmp     r0, r5				; is r5 = #$00?
0801C902: D214    bcs     0x0801C92E				; Exit this

; ---
; This loop writes the BG map, i think
; It writes a incrementing line of doublebytes in an area around $060001C0
0801C904: 2100    mov     r1, #0x00				; r1 = #$00000000
0801C906: 1C43    add     r3, r0, #0x1				; increase counter for the line number
0801C908: 42A1    cmp     r1, r4				; check if line is full
0801C90A: D20C    bcs     0x0801C926				; branch if line is full
0801C90C: 0182    lsl     r2, r0, #0x6
; ---
; Little Loop
; r7 contains the beginning of the rectangle as offset
; r2 contains the offset of the beginning of the current line to the beginning of the rectangle
; r1 is the counter, how many tiles are already placed
; r0 is the destination address (consisting out of r1<<1, r2 and r7)
; r6 contains the value that is stored in that address
; r4 is the limit of tiles per line
; r5 is the limit of lines
0801C90E: 0048    lsl     r0, r1, #0x1				; r1 = number of tiles placed. Each tile entry in the BG map is 2 bytes in size, hence the <<1
0801C910: 19C0    add     r0, r0, r7
0801C912: 1810    add     r0, r2, r0
0801C914: 8006    strh    r6, [r0]
0801C916: 1C48    add     r0, r1, #0x1
0801C918: 0400    lsl     r0, r0, #0x10
0801C91A: 0C01    lsr     r1, r0, #0x10
0801C91C: 1C70    add     r0, r6, #0x1
0801C91E: 0400    lsl     r0, r0, #0x10
0801C920: 0C06    lsr     r6, r0, #0x10
0801C922: 42A1    cmp     r1, r4
0801C924: D3F3    bcc     0x0801C90E
; ---
0801C926: 0418    lsl     r0, r3, #0x10			; After finishing one line, the counter (r3) is compared to the limit value (r5)
0801C928: 0C00    lsr     r0, r0, #0x10
0801C92A: 42A8    cmp     r0, r5
0801C92C: D3EA    bcc     0x0801C904

0801C92E: B001    add     sp, #0x004
0801C930: BC18    pop     {r3, r4}
0801C932: 4698    mov     r8, r3
0801C934: 46A1    mov     r9, r4
0801C936: BCF0    pop     {r4, r5, r6, r7}
0801C938: BC01    pop     {r0}
0801C93A: 4700    bx      r0

$080428D0 - ?

080428D0: B570    push    {r4, r5, r6, lr}
080428D2: 0400    lsl     r0, r0, #0x10
080428D4: 2123    mov     r1, #0x23
080428D6: 2523    mov     r5, #0x23
080428D8: 0C06    lsr     r6, r0, #0x10
080428DA: 1400    asr     r0, r0, #0x10
080428DC: 2801    cmp     r0, #0x01
080428DE: DD0E    ble     0x080428FE

080428E0: 1E44    sub     r4, r0, #0x1

080428E2: 200B    mov     r0, #0x0B
080428E4: 4348    mul     r0, r1
080428E6: 210A    mov     r1, #0x0A
080428E8: F07D    bl       
080428EA: FE5A    bl      0x080C05A0
080428EC: 1C01    add     r1, r0, #0x0
080428EE: 4807    ldr     r0, =#0x0001869F
080428F0: 4281    cmp     r1, r0
080428F2: DD00    ble     0x080428F6
080428F4: 1C01    add     r1, r0, #0x0
080428F6: 186D    add     r5, r5, r1
080428F8: 3C01    sub     r4, #0x01
080428FA: 2C00    cmp     r4, #0x00
080428FC: D1F1    bne     0x080428E2

080428FE: 2E00    cmp     r6, #0x00
08042900: D100    bne     0x08042904

08042902: 2500    mov     r5, #0x00

08042904: 1C28    add     r0, r5, #0x0
08042906: BC70    pop     {r4, r5, r6}
08042908: BC02    pop     {r1}
0804290A: 4708    bx      r1

;0804290C: 869F    strh    r7, [r3, #0x34]
;0804290E: 0001    lsl     r1, r0, #0x0

$08042910 - ?

08042910: B5F0    push    {r4, r5, r6, r7, lr}
08042912: 4657    mov     r7, r10
08042914: 464E    mov     r6, r9
08042916: 4645    mov     r5, r8
08042918: B4E0    push    {r5, r6, r7}

0804291A: 4B7E    ldr     r3, =#0x02029F50
0804291C: 4C7E    ldr     r4, =#0x0202D7A0
0804291E: 2190    mov     r1, #0x90
08042920: 0089    lsl     r1, r1, #0x2				; r1 = #$00000240
08042922: 1860    add     r0, r4, r1				; r0 = #$0202D9E0
08042924: 2200    mov     r2, #0x00
08042926: 5E81    ldsh    r1, [r0, r2]				; ??? ("Load Sign Extended Halfword")
08042928: 0108    lsl     r0, r1, #0x4				; Loaded Byte * #16
0804292A: 1840    add     r0, r0, r1				; Loaded Byte * #17
0804292C: 0100    lsl     r0, r0, #0x4				; Loaded Byte * #272 (= #$110)
0804292E: 18C0    add     r0, r0, r3				; r0 = #$02029F50 + Loaded Byte * #272
08042930: 7801    ldrb    r1, [r0]
08042932: 2240    mov     r2, #0x40
08042934: 4311    orr     r1, r2
08042936: 7001    strb    r1, [r0]				; Set Bit 6 in $02029F50 + Loaded Byte * #272
08042938: 4F78    ldr     r7, =#0x08103C48
0804293A: 61DF    str     r7, [r3, #0x1C]			; $02029F6C = #$08103C48
0804293C: 2596    mov     r5, #0x96
0804293E: 006D    lsl     r5, r5, #0x1				; r5 = #$0000012C
08042940: 1959    add     r1, r3, r5				; r1 = #$0202A07C
08042942: 4E77    ldr     r6, =#0x00000242
08042944: 19A4    add     r4, r4, r6				; r4 = #$0202DC22
08042946: 2200    mov     r2, #0x00
08042948: 5EA0    ldsh    r0, [r4, r2]				; ??? ("Load Sign Extended Halfword")
0804294A: 0080    lsl     r0, r0, #0x2				; Loaded Byte * #4
0804294C: 1C3A    add     r2, r7, #0x0
0804294E: 3A30    sub     r2, #0x30
08042950: 1880    add     r0, r0, r2
08042952: 6008    str     r0, [r1]
08042954: 258F    mov     r5, #0x8F
08042956: 00AD    lsl     r5, r5, #0x2
08042958: 1959    add     r1, r3, r5
0804295A: 2600    mov     r6, #0x00
0804295C: 5FA0    ldsh    r0, [r4, r6]
0804295E: 0080    lsl     r0, r0, #0x2
08042960: 1880    add     r0, r0, r2
08042962: 6008    str     r0, [r1]
08042964: 21D3    mov     r1, #0xD3
08042966: 0089    lsl     r1, r1, #0x2
08042968: 1858    add     r0, r3, r1
0804296A: 6002    str     r2, [r0]
0804296C: 4C6D    ldr     r4, =#0x0000045C
0804296E: 1919    add     r1, r3, r4
08042970: 1C38    add     r0, r7, #0x0
08042972: 3808    sub     r0, #0x08
08042974: 6008    str     r0, [r1]
08042976: 4D6C    ldr     r5, =#0x0000056C
08042978: 1958    add     r0, r3, r5
0804297A: 4E6C    ldr     r6, =#0x08103C30
0804297C: 6006    str     r6, [r0]
0804297E: 496C    ldr     r1, =#0x0000067C
08042980: 1858    add     r0, r3, r1
08042982: 242C    mov     r4, #0x2C
08042984: 4264    neg     r4, r4
08042986: 19E4    add     r4, r4, r7
08042988: 46A1    mov     r9, r4
0804298A: 6004    str     r4, [r0]
0804298C: 4D69    ldr     r5, =#0x0000078C
0804298E: 1958    add     r0, r3, r5
08042990: 1D3E    add     r6, r7, #0x4
08042992: 46B4    mov     r12, r6
08042994: 6006    str     r6, [r0]
08042996: 4968    ldr     r1, =#0x0000089C
08042998: 1858    add     r0, r3, r1
0804299A: 240C    mov     r4, #0x0C
0804299C: 19E4    add     r4, r4, r7
0804299E: 46A2    mov     r10, r4
080429A0: 6004    str     r4, [r0]
080429A2: 4D66    ldr     r5, =#0x000009AC
080429A4: 1959    add     r1, r3, r5
080429A6: 1F38    sub     r0, r7, #0x4

080429A8: 6008    str     r0, [r1]
080429AA: 4E65    ldr     r6, =#0x00000ABC
080429AC: 1999    add     r1, r3, r6
080429AE: 3824    sub     r0, #0x24
080429B0: 6008    str     r0, [r1]
080429B2: 4864    ldr     r0, =#0x00000BCC
080429B4: 1819    add     r1, r3, r0
080429B6: 1C38    add     r0, r7, #0x0
080429B8: 3820    sub     r0, #0x20
080429BA: 6008    str     r0, [r1]
080429BC: 4C62    ldr     r4, =#0x00000CDC
080429BE: 1919    add     r1, r3, r4
080429C0: 3804    sub     r0, #0x04
080429C2: 6008    str     r0, [r1]
080429C4: 4D61    ldr     r5, =#0x00000DEC
080429C6: 1958    add     r0, r3, r5
080429C8: 4E61    ldr     r6, =#0x08103C2C
080429CA: 6006    str     r6, [r0]
080429CC: 4961    ldr     r1, =#0x00000EFC
080429CE: 1858    add     r0, r3, r1
080429D0: 6007    str     r7, [r0]
080429D2: 4C61    ldr     r4, =#0x0000100C
080429D4: 1918    add     r0, r3, r4
080429D6: 1C3D    add     r5, r7, #0x0
080429D8: 3D10    sub     r5, #0x10
080429DA: 6005    str     r5, [r0]
080429DC: 4E5F    ldr     r6, =#0x0000111C
080429DE: 1999    add     r1, r3, r6
080429E0: 1C38    add     r0, r7, #0x0
080429E2: 380C    sub     r0, #0x0C
080429E4: 6008    str     r0, [r1]
080429E6: 495E    ldr     r1, =#0x0000122C
080429E8: 1858    add     r0, r3, r1
080429EA: 2414    mov     r4, #0x14
080429EC: 4264    neg     r4, r4
080429EE: 19E4    add     r4, r4, r7
080429F0: 46A0    mov     r8, r4
080429F2: 6004    str     r4, [r0]
080429F4: 4E5B    ldr     r6, =#0x00001323
080429F6: 1998    add     r0, r3, r6
080429F8: 7801    ldrb    r1, [r0]
080429FA: 0649    lsl     r1, r1, #0x19
080429FC: 0E49    lsr     r1, r1, #0x19
080429FE: 0108    lsl     r0, r1, #0x4
08042A00: 1840    add     r0, r0, r1
08042A02: 0100    lsl     r0, r0, #0x4
08042A04: 1C1C    add     r4, r3, #0x0
08042A06: 341C    add     r4, #0x1C
08042A08: 1900    add     r0, r0, r4
08042A0A: 6800    ldr     r0, [r0]
08042A0C: 6800    ldr     r0, [r0]

08042A0E: 0580    lsl     r0, r0, #0x16
08042A10: 3619    add     r6, #0x19
08042A12: 1999    add     r1, r3, r6
08042A14: 0EC0    lsr     r0, r0, #0x1B
08042A16: 0080    lsl     r0, r0, #0x2
08042A18: 1880    add     r0, r0, r2
08042A1A: 6008    str     r0, [r1]
08042A1C: 4952    ldr     r1, =#0x00001433
08042A1E: 1858    add     r0, r3, r1
08042A20: 7801    ldrb    r1, [r0]
08042A22: 0649    lsl     r1, r1, #0x19
08042A24: 0E49    lsr     r1, r1, #0x19
08042A26: 0108    lsl     r0, r1, #0x4
08042A28: 1840    add     r0, r0, r1
08042A2A: 0100    lsl     r0, r0, #0x4
08042A2C: 1900    add     r0, r0, r4
08042A2E: 6800    ldr     r0, [r0]
08042A30: 6800    ldr     r0, [r0]
08042A32: 0580    lsl     r0, r0, #0x16
08042A34: 4E4D    ldr     r6, =#0x0000144C
08042A36: 1999    add     r1, r3, r6
08042A38: 0EC0    lsr     r0, r0, #0x1B
08042A3A: 0080    lsl     r0, r0, #0x2
08042A3C: 1880    add     r0, r0, r2
08042A3E: 6008    str     r0, [r1]
08042A40: 494B    ldr     r1, =#0x00001543
08042A42: 1858    add     r0, r3, r1
08042A44: 7801    ldrb    r1, [r0]
08042A46: 0649    lsl     r1, r1, #0x19
08042A48: 0E49    lsr     r1, r1, #0x19
08042A4A: 0108    lsl     r0, r1, #0x4
08042A4C: 1840    add     r0, r0, r1
08042A4E: 0100    lsl     r0, r0, #0x4
08042A50: 1900    add     r0, r0, r4
08042A52: 6800    ldr     r0, [r0]
08042A54: 6800    ldr     r0, [r0]
08042A56: 0580    lsl     r0, r0, #0x16
08042A58: 4E46    ldr     r6, =#0x0000155C
08042A5A: 1999    add     r1, r3, r6
08042A5C: 0EC0    lsr     r0, r0, #0x1B
08042A5E: 0080    lsl     r0, r0, #0x2
08042A60: 1880    add     r0, r0, r2
08042A62: 6008    str     r0, [r1]
08042A64: 4944    ldr     r1, =#0x00001653
08042A66: 1858    add     r0, r3, r1
08042A68: 7801    ldrb    r1, [r0]
08042A6A: 0649    lsl     r1, r1, #0x19
08042A6C: 0E49    lsr     r1, r1, #0x19
08042A6E: 0108    lsl     r0, r1, #0x4
08042A70: 1840    add     r0, r0, r1
08042A72: 0100    lsl     r0, r0, #0x4

08042A74: 1900    add     r0, r0, r4
08042A76: 6800    ldr     r0, [r0]
08042A78: 6800    ldr     r0, [r0]
08042A7A: 0580    lsl     r0, r0, #0x16
08042A7C: 4E3F    ldr     r6, =#0x0000166C
08042A7E: 1999    add     r1, r3, r6
08042A80: 0EC0    lsr     r0, r0, #0x1B
08042A82: 0080    lsl     r0, r0, #0x2
08042A84: 1880    add     r0, r0, r2
08042A86: 6008    str     r0, [r1]
08042A88: 493D    ldr     r1, =#0x00001763
08042A8A: 1858    add     r0, r3, r1
08042A8C: 7801    ldrb    r1, [r0]
08042A8E: 0649    lsl     r1, r1, #0x19
08042A90: 0E49    lsr     r1, r1, #0x19
08042A92: 0108    lsl     r0, r1, #0x4
08042A94: 1840    add     r0, r0, r1
08042A96: 0100    lsl     r0, r0, #0x4
08042A98: 1900    add     r0, r0, r4
08042A9A: 6800    ldr     r0, [r0]
08042A9C: 6800    ldr     r0, [r0]
08042A9E: 0580    lsl     r0, r0, #0x16
08042AA0: 4C38    ldr     r4, =#0x0000177C
08042AA2: 1919    add     r1, r3, r4
08042AA4: 0EC0    lsr     r0, r0, #0x1B
08042AA6: 0080    lsl     r0, r0, #0x2
08042AA8: 1880    add     r0, r0, r2
08042AAA: 6008    str     r0, [r1]
08042AAC: 4E36    ldr     r6, =#0x0000188C
08042AAE: 1998    add     r0, r3, r6
08042AB0: 6005    str     r5, [r0]
08042AB2: 4936    ldr     r1, =#0x0000199C
08042AB4: 1858    add     r0, r3, r1
08042AB6: 464A    mov     r2, r9
08042AB8: 6002    str     r2, [r0]
08042ABA: 4C35    ldr     r4, =#0x00001AAC
08042ABC: 1918    add     r0, r3, r4
08042ABE: 4D24    ldr     r5, =#0x08103C2C
08042AC0: 6005    str     r5, [r0]
08042AC2: 4E34    ldr     r6, =#0x00001BBC
08042AC4: 1998    add     r0, r3, r6
08042AC6: 6007    str     r7, [r0]
08042AC8: 4933    ldr     r1, =#0x00001CCC
08042ACA: 1858    add     r0, r3, r1
08042ACC: 4652    mov     r2, r10
08042ACE: 6002    str     r2, [r0]
08042AD0: 4C32    ldr     r4, =#0x00001DDC
08042AD2: 1919    add     r1, r3, r4
08042AD4: 1C38    add     r0, r7, #0x0
08042AD6: 3008    add     r0, #0x08
08042AD8: 6008    str     r0, [r1]
08042ADA: 4D31    ldr     r5, =#0x00001EEC

08042ADC: 1958    add     r0, r3, r5
08042ADE: 6007    str     r7, [r0]
08042AE0: 4E30    ldr     r6, =#0x00001FFC
08042AE2: 1998    add     r0, r3, r6
08042AE4: 6007    str     r7, [r0]
08042AE6: 4930    ldr     r1, =#0x0000210C
08042AE8: 1858    add     r0, r3, r1
08042AEA: 6007    str     r7, [r0]
08042AEC: 4A2F    ldr     r2, =#0x0000221C
08042AEE: 1898    add     r0, r3, r2
08042AF0: 4664    mov     r4, r12
08042AF2: 6004    str     r4, [r0]
08042AF4: 4D2E    ldr     r5, =#0x0000232C
08042AF6: 1958    add     r0, r3, r5
08042AF8: 4646    mov     r6, r8
08042AFA: 6006    str     r6, [r0]
08042AFC: 482D    ldr     r0, =#0x0000243C
08042AFE: 181B    add     r3, r3, r0
08042B00: 490A    ldr     r1, =#0x08103C30
08042B02: 6019    str     r1, [r3]
08042B04: BC38    pop     {r3, r4, r5}
08042B06: 4698    mov     r8, r3
08042B08: 46A1    mov     r9, r4
08042B0A: 46AA    mov     r10, r5
08042B0C: BCF0    pop     {r4, r5, r6, r7}
08042B0E: BC01    pop     {r0}
08042B10: 4700    bx      r0

;08042B12: 0000    lsl     r0, r0, #0x0
;08042B14: 9F50    ldr     r7, [sp, #0x140]
;08042B16: 0202    lsl     r2, r0, #0x8
;08042B18: D7A0    bvc     0x08042A5C
;08042B1A: 0202    lsl     r2, r0, #0x8
;08042B1C: 3C48    sub     r4, #0x48
;08042B1E: 0810    lsr     r0, r2, #0x0
;08042B20: 0242    lsl     r2, r0, #0x9
;08042B22: 0000    lsl     r0, r0, #0x0
;08042B24: 045C    lsl     r4, r3, #0x11
;08042B26: 0000    lsl     r0, r0, #0x0
;08042B28: 056C    lsl     r4, r5, #0x15
;08042B2A: 0000    lsl     r0, r0, #0x0
;08042B2C: 3C30    sub     r4, #0x30
;08042B2E: 0810    lsr     r0, r2, #0x0
;08042B30: 067C    lsl     r4, r7, #0x19
;08042B32: 0000    lsl     r0, r0, #0x0
;08042B34: 078C    lsl     r4, r1, #0x1E
;08042B36: 0000    lsl     r0, r0, #0x0
;08042B38: 089C    lsr     r4, r3, #0x2
;08042B3A: 0000    lsl     r0, r0, #0x0
;08042B3C: 09AC    lsr     r4, r5, #0x6
;08042B3E: 0000    lsl     r0, r0, #0x0
;08042B40: 0ABC    lsr     r4, r7, #0xA
;08042B42: 0000    lsl     r0, r0, #0x0
;08042B44: 0BCC    lsr     r4, r1, #0xF
;08042B46: 0000    lsl     r0, r0, #0x0
;08042B48: 0CDC    lsr     r4, r3, #0x13
;08042B4A: 0000    lsl     r0, r0, #0x0
;08042B4C: 0DEC    lsr     r4, r5, #0x17
;08042B4E: 0000    lsl     r0, r0, #0x0
;08042B50: 3C2C    sub     r4, #0x2C
;08042B52: 0810    lsr     r0, r2, #0x0
;08042B54: 0EFC    lsr     r4, r7, #0x1B
;08042B56: 0000    lsl     r0, r0, #0x0
;08042B58: 100C    asr     r4, r1, #0x0
;08042B5A: 0000    lsl     r0, r0, #0x0
;08042B5C: 111C    asr     r4, r3, #0x4
;08042B5E: 0000    lsl     r0, r0, #0x0
;08042B60: 122C    asr     r4, r5, #0x8
;08042B62: 0000    lsl     r0, r0, #0x0
;08042B64: 1323    asr     r3, r4, #0xC
;08042B66: 0000    lsl     r0, r0, #0x0
;08042B68: 1433    asr     r3, r6, #0x10
;08042B6A: 0000    lsl     r0, r0, #0x0
;08042B6C: 144C    asr     r4, r1, #0x11
;08042B6E: 0000    lsl     r0, r0, #0x0
;08042B70: 1543    asr     r3, r0, #0x15
;08042B72: 0000    lsl     r0, r0, #0x0
;08042B74: 155C    asr     r4, r3, #0x15
;08042B76: 0000    lsl     r0, r0, #0x0
;08042B78: 1653    asr     r3, r2, #0x19
;08042B7A: 0000    lsl     r0, r0, #0x0
;08042B7C: 166C    asr     r4, r5, #0x19
;08042B7E: 0000    lsl     r0, r0, #0x0
;08042B80: 1763    asr     r3, r4, #0x1D
;08042B82: 0000    lsl     r0, r0, #0x0
;08042B84: 177C    asr     r4, r7, #0x1D
;08042B86: 0000    lsl     r0, r0, #0x0
;08042B88: 188C    add     r4, r1, r2
;08042B8A: 0000    lsl     r0, r0, #0x0
;08042B8C: 199C    add     r4, r3, r6
;08042B8E: 0000    lsl     r0, r0, #0x0
;08042B90: 1AAC    sub     r4, r5, r2
;08042B92: 0000    lsl     r0, r0, #0x0
;08042B94: 1BBC    sub     r4, r7, r6
;08042B96: 0000    lsl     r0, r0, #0x0
;08042B98: 1CCC    add     r4, r1, #0x3
;08042B9A: 0000    lsl     r0, r0, #0x0
;08042B9C: 1DDC    add     r4, r3, #0x7
;08042B9E: 0000    lsl     r0, r0, #0x0
;08042BA0: 1EEC    sub     r4, r5, #0x3
;08042BA2: 0000    lsl     r0, r0, #0x0
;08042BA4: 1FFC    sub     r4, r7, #0x7
;08042BA6: 0000    lsl     r0, r0, #0x0
;08042BA8: 210C    mov     r1, #0x0C
;08042BAA: 0000    lsl     r0, r0, #0x0
;08042BAC: 221C    mov     r2, #0x1C
;08042BAE: 0000    lsl     r0, r0, #0x0
;08042BB0: 232C    mov     r3, #0x2C
;08042BB2: 0000    lsl     r0, r0, #0x0
;08042BB4: 243C    mov     r4, #0x3C
;08042BB6: 0000    lsl     r0, r0, #0x0

$080479E8 - (r2 = Series(r0) * #$14)

The result this subroutine is stored in r2, r0 contains a counter.

A short result table (makes more sense than a lengthy, confusing theoretical explanation:

r0 = 1 r2 = (#$14 * 1) = #$14 (#20)
r0 = 2 r2 = (#$14 * 1) + (#$14 * 2) = #$3C (#60)
r0 = 3 r2 = (#$14 * 1) + (#$14 * 2) + (#$14 * 3) = #$78 (#120)
r0 = 4 r2 = (#$14 * 1) + (#$14 * 2) + (#$14 * 3) + (#$14 * 4) = #$C8 (#200)
... ...
r0 = n r2 = (#$14 * 1) + (#$14 * 2) + ... + (#$14 * n-1) + (#$14 * n)


080479E8: 2200    mov     r2, #0x00
080479EA: 0400    lsl     r0, r0, #0x10
080479EC: 1400    asr     r0, r0, #0x10
080479EE: 2800    cmp     r0, #0x00
080479F0: DD05    ble     0x080479FE				; Exit if r0 < #$01

080479F2: 2114    mov     r1, #0x14
080479F4: 1852    add     r2, r2, r1
080479F6: 3114    add     r1, #0x14
080479F8: 3801    sub     r0, #0x01
080479FA: 2800    cmp     r0, #0x00
080479FC: D1FA    bne     0x080479F4

080479FE: 1C10    add     r0, r2, #0x0
08047A00: 4770    bx      lr

$0805B564 - ?

0805B564: B500    push    {lr}
0805B566: 0400    lsl     r0, r0, #0x10
0805B568: 0C00    lsr     r0, r0, #0x10		; Remove upper doublebyte from value in r0
0805B56A: F066    bl       
0805B56C: FD6B    bl      0x080C2044			; Turn to ARM code, jump to $0805BEAC
0805B56E: BC01    pop     {r0}
0805B570: 4700    bx      r0
;0805B572: 0000    lsl     r0, r0, #0x0

$0805B574 - Jump to Sound Boot

0805B574: B500    push    {lr}
0805B576: F066    bl       
0805B578: FD69    bl      0x080C204C			; Turns in ARM mode and jumps to Sound Boot
0805B57A: BC01    pop     {r0}
0805B57C: 4700    bx      r0
;0805B57E: 0000    lsl     r0, r0, #0x0

$0805B580 - Jump to Sound related ARM code subroutine

0805B580: B500    push    {lr}
0805B582: F066    bl       
0805B584: FD67    bl      0x080C2054
0805B586: BC01    pop     {r0}
0805B588: 4700    bx      r0
;0805B58A: 0000    lsl     r0, r0, #0x0

$0805B58C - Jump to Sound A subroutine

0805B58C: B500    push    {lr}
0805B58E: F066    bl       
0805B590: FD65    bl      0x080C205C			; Turns in ARM mode and jumps to Sound A subroutine
0805B592: BC01    pop     {r0}
0805B594: 4700    bx      r0

;0805B596: 0000    lsl     r0, r0, #0x0

$0805BEAC - ?

Store r0 in $02001192 + [02001191]. Afterwards increment the value for $02001191 and AND it. So, $02001191 can never be higher than #$06. So this only affects registers $02001192-9.

0805BEAC: E59F1ED0    ldr     r1, =#0x02001191
0805BEB0: E5D12000    ldrb    r2, [r1]
0805BEB4: E59F3ECC    ldr     r3, =#0x02001192
0805BEB8: E18300B2    strh    r0, [r3, r2]		; (r2 is a "pre-indexed offset" here, the added values of r2 and r3 form the store address
0805BEBC: E2822002    add     r2, r2, #0x00000002	; INC
0805BEC0: E2022007    and     r2, r2, #0x00000007	; Jump back to #$00 after #$06.
0805BEC4: E5C12000    strb    r2, [r1]			; Store back in $02001191
0805BEC8: E12FFF1E    bx      lr

$0805BF3C - Sound Reset and Startup

This resets the Sound registers and brings them to their standard settings. It's called from $0805B574 via $080C2050.

0805BF3C: E59F3E50    ldr     r3, =#0x04000060
0805BF40: E59F0E50    ldr     r0, =#0x0000C80E			; Sound Volume: 100%
								; DMA Sound A Volume: 100%
								; DMA Sound B Volume: 100%
								; DMA Sound A Enable RIGHT: Disable
								; DMA Sound A Enable LEFT: Disable
								; DMA Sound A Timer Select: Timer 0
								; DMA Sound A Reset FIFO = RESET
								; DMA Sound B Enable RIGHT: Disable
								; DMA Sound B Enable LEFT: Disable
								; DMA Sound B Timer Select: Timer 1
								; DMA Sound B Reset FIFO = RESET
0805BF44: E1C302B2    strh    r0, [r3, #0x22]			; Store in $04000082
0805BF48: E59F0E4C    ldr     r0, =#0x0000730E			; Sound Volume: 100%
								; DMA Sound A Volume: 100%
								; DMA Sound B Volume: 100%
								; DMA Sound A Enable RIGHT: Enable
								; DMA Sound A Enable LEFT: Enable
								; DMA Sound A Timer Select: Timer 0
								; DMA Sound A Reset FIFO = No Reset
								; DMA Sound B Enable RIGHT: Enable
								; DMA Sound B Enable LEFT: Enable
								; DMA Sound B Timer Select: Timer 1
								; DMA Sound B Reset FIFO = No Reset
0805BF4C: E1C302B2    strh    r0, [r3, #0x22]			; Store in $04000082
0805BF50: E3A00077    mov     r0, #0x00000077			; Both Master Volumes: 100%
0805BF54: E1C302B0    strh    r0, [r3, #0x20]			; Store in $04000080
0805BF58: E59F1E40    ldr     r1, =#0x020011BC
0805BF5C: E1C100B0    strh    r0, [r1]				; Store in $04000080 Buffer
0805BF60: E3A00000    mov     r0, #0x00000000			; Disable Sounds, Disable PSG/FIFO Master Enable)
0805BF64: E1C302B4    strh    r0, [r3, #0x24]			; Store in $04000084
0805BF68: E3A0008F    mov     r0, #0x0000008F			; Enable Sounds, Enable PSG/FIFO Master Enable)
0805BF6C: E1C302B4    strh    r0, [r3, #0x24]			; Store in $04000084
0805BF70: E3A00000    mov     r0, #0x00000000
0805BF74: E1C300B2    strh    r0, [r3, #0x02]			; Clear $04000062 - Channel 1 Duty/Len/Envelope
0805BF78: E1C300B8    strh    r0, [r3, #0x08]			; Clear $04000068 - Channel 2 Duty/Len/Envelope
0805BF7C: E1C301B8    strh    r0, [r3, #0x18]			; Clear $04000078 - Channel 4 Length/Envelope
0805BF80: E1C301B2    strh    r0, [r3, #0x12]			; Clear $04000072 - Channel 3 Length/Envelope
0805BF84: E1C300B0    strh    r0, [r3]				; Clear $04000060 - Channel 1 Sweep Register
0805BF88: E3A00902    mov     r0, #0x00008000
0805BF8C: E1C300B4    strh    r0, [r3, #0x04]			; Channel 1 Freq/Control - Restart Sound
0805BF90: E1C300BC    strh    r0, [r3, #0x0C]			; Channel 2 Freq/Control - Restart Sound
0805BF94: E1C301B4    strh    r0, [r3, #0x14]			; Channel 3 Freq/Control - Restart Sound
0805BF98: E1C301BA    strh    r0, [r3, #0x1A]			; (Not used. Surely a bug. they surely meant #0x1C)
0805BF9C: E3A00000    mov     r0, #0x00000000
0805BFA0: E59F1DFC    ldr     r1, =#0x02000EF0

0805BFA4: E4C10038    strb    r0, [r1], #0x0038			; Clear [r1] and then r1 = r1 + #$38
0805BFA8: E59F2DF8    ldr     r2, =#0x02001190
0805BFAC: E1310002    teq     r1, r2
0805BFB0: 1AFFFFFB    bne     0x0805BFA4			; Loop until r1 = #$02001190

0805BFB4: E1C100B0    strh    r0, [r1]				; Clear $02001190/1
0805BFB8: E5810002    str     r0, [r1, #0x0002]			; Clear $02001192-5
0805BFBC: E5810006    str     r0, [r1, #0x0006]			; Clear $02001196-9
0805BFC0: E1C30AB2    strh    r0, [r3, #0xA2]			; Clear $04000102 - Timer 0 Control
								; Prescaler: F/1, normal Count-up timing, IRQ disabled, Timer Stop
0805BFC4: E1C30AB6    strh    r0, [r3, #0xA6]			; Clear $04000106 - Timer 0 Control
								; Prescaler: F/1, normal Count-up timing, IRQ disabled, Timer Stop
0805BFC8: E59F0DDC    ldr     r0, =#0x020011D0
0805BFCC: E3A010FF    mov     r1, #0x000000FF
0805BFD0: E5801000    str     r1, [r0]				; $020011D0 = #$000000FF
0805BFD4: E12FFF1E    bx      lr
 
0805B57A: BC01    pop     {r0}

$0805BFD8 - (Calculation and applying data for Sound A)

0805BFD8: E92D0010    stmfd   sp!, {r4}				; Push r4
0805BFDC: E3A00C02    mov     r0, #0x00000200
0805BFE0: E59F1DC8    ldr     r1, =#0x04000202
0805BFE4: E1C100B0    strh    r0, [r1]				; Request DMA 1 Interrupt
0805BFE8: E59F0DC4    ldr     r0, =#0x0200119C
0805BFEC: E5901000    ldr     r1, [r0]				; Loads $0200119C (by testing, it is #$08092994)
0805BFF0: E4912004    ldr     r2, [r1], #0x0004			; Load [r1] in r2 (here: $FD1C2816), increment r1 afterwards
0805BFF4: E5801000    str     r1, [r0]				; Store incremented address back
0805BFF8: E5903004    ldr     r3, [r0, #0x0004]			; By testing, it's $080932A4
0805BFFC: E1310003    teq     r1, r3				; Test if equal
0805C000: 0A00004A    beq     0x0805C130			; Branch if equal (and reset value??)

0805C004: E5D0300C    ldrb    r3, [r0, #0x000C]			; r3 = [$020011A8]
0805C008: E2833001    add     r3, r3, #0x00000001		; Inc r3
0805C00C: E20200FF    and     r0, r2, #0x000000FF		; r0 = r2 and #$000000FF
0805C010: E3100080    tst     r0, #0x00000080
0805C014: 0A000008    beq     0x0805C03C			; Branch if bit 7 is clear

0805C018: E1E00000    mvn     r0, r0
0805C01C: E2800001    add     r0, r0, #0x00000001
0805C020: E20000FF    and     r0, r0, #0x000000FF
0805C024: E0010390    mul     r1, r0, r3
0805C028: E3110080    tst     r1, #0x00000080
0805C02C: 12811C01    addne   r1, r1, #0x00000100
0805C030: E1E01001    mvn     r1, r1
0805C034: E2811001    add     r1, r1, #0x00000001
0805C038: EA000002    b       0x0805C048

0805C03C: E0010390    mul     r1, r0, r3
0805C040: E3110080    tst     r1, #0x00000080			; N is set if Bit is clear
0805C044: 12811C01    addne   r1, r1, #0x00000100		; Add if N is set
0805C048: E2020CFF    and     r0, r2, #0x0000FF00
0805C04C: E3100902    tst     r0, #0x00008000
0805C050: 0A000008    beq     0x0805C078			; Branch if MSB is clear

0805C054: E1E00000    mvn     r0, r0
0805C058: E2800001    add     r0, r0, #0x00000001
0805C05C: E2000CFF    and     r0, r0, #0x0000FF00
0805C060: E0040390    mul     r4, r0, r3
0805C064: E3140902    tst     r4, #0x00008000
0805C068: 12844801    addne   r4, r4, #0x00010000
0805C06C: E1E04004    mvn     r4, r4
0805C070: E2844001    add     r4, r4, #0x00000001
0805C074: EA000002    b       0x0805C084

0805C078: E0040390    mul     r4, r0, r3
0805C07C: E3140902    tst     r4, #0x00008000
0805C080: 12844801    addne   r4, r4, #0x00010000
0805C084: E1A00424    mov     r0, r4 lsr #0x08
0805C088: E2000CFF    and     r0, r0, #0x0000FF00
0805C08C: E0800421    add     r0, r0, r1 lsr #0x08		; r0 = r0+r1 >>> 8
0805C090: E59F1D20    ldr     r1, =#0x040000A0
0805C094: E1C100B0    strh    r0, [r1]				; Store r1 in Sound A Lo-Doublebyte
0805C098: E1A02822    mov     r2, r2 lsr #0x10			; Remove lower Doublebyte
0805C09C: E20200FF    and     r0, r2, #0x000000FF
0805C0A0: E3100080    tst     r0, #0x00000080
0805C0A4: 0A000008    beq     0x0805C0CC			; Branch if MSB is clear

0805C0A8: E1E00000    mvn     r0, r0
0805C0AC: E2800001    add     r0, r0, #0x00000001
0805C0B0: E20000FF    and     r0, r0, #0x000000FF
0805C0B4: E0010390    mul     r1, r0, r3
0805C0B8: E3110080    tst     r1, #0x00000080
0805C0BC: 12811C01    addne   r1, r1, #0x00000100
0805C0C0: E1E01001    mvn     r1, r1
0805C0C4: E2811001    add     r1, r1, #0x00000001
0805C0C8: EA000002    b       0x0805C0D8

0805C0CC: E0010390    mul     r1, r0, r3
0805C0D0: E3110080    tst     r1, #0x00000080			; N is set if Bit is clear
0805C0D4: 12811C01    addne   r1, r1, #0x00000100		; Add if N is set
0805C0D8: E2020CFF    and     r0, r2, #0x0000FF00
0805C0DC: E3100902    tst     r0, #0x00008000
0805C0E0: 0A000008    beq     0x0805C108			; Branch if MSB is clear
0805C0E4: E1E00000    mvn     r0, r0				; Bitwise NOT r0
0805C0E8: E2800001    add     r0, r0, #0x00000001		; inc r0
0805C0EC: E2000CFF    and     r0, r0, #0x0000FF00
0805C0F0: E0040390    mul     r4, r0, r3
0805C0F4: E3140902    tst     r4, #0x00008000			; N is set if Bit is clear
0805C0F8: 12844801    addne   r4, r4, #0x00010000		; Add if N is set
0805C0FC: E1E04004    mvn     r4, r4				; Bitwise NOT
0805C100: E2844001    add     r4, r4, #0x00000001		; Inc r4
0805C104: EA000002    b       0x0805C114

0805C108: E0040390    mul     r4, r0, r3
0805C10C: E3140902    tst     r4, #0x00008000
0805C110: 12844801    addne   r4, r4, #0x00010000
0805C114: E1A00424    mov     r0, r4 lsr #0x08
0805C118: E2000CFF    and     r0, r0, #0x0000FF00
0805C11C: E0800421    add     r0, r0, r1 lsr #0x08
0805C120: E59F1C94    ldr     r1, =#0x040000A2
0805C124: E1C100B0    strh    r0, [r1]				; Sound A Hi-Doublebyte
0805C128: E8BD0010    ldmfd   sp!, {r4}				; Pull r4
0805C12C: E12FFF1E    bx      lr

0805C130: E5903008    ldr     r3, [r0, #0x0008]
0805C134: E1310003    teq     r1, r3
0805C138: 15803000    strne   r3, [r0]
0805C13C: 1AFFFFB0    bne     0x0805C004
0805C140: E3A00000    mov     r0, #0x00000000
0805C144: E59F1C74    ldr     r1, =#0x04000102
0805C148: E1C100B0    strh    r0, [r1]
0805C14C: EAFFFFF5    b       0x0805C128

$0805C2C8 - (ARM Code, Sound related, Main Sound Engine?)

0805C2C8: E92D01F0    stmfd   sp!, {r4, r5, r6, r7, r8}
0805C2CC: E3A07000    mov     r7, #0x00000000
0805C2D0: E59F1AFC    ldr     r1, =#0x02000EF0

;Begin of loop
0805C2D4: E5D12000    ldrb    r2, [r1]
0805C2D8: E3120001    tst     r2, #0x00000001
0805C2DC: 0A000014    beq     0x0805C334		; Increment loop counter and load address in r1
0805C2E0: E5D12001    ldrb    r2, [r1, #0x0001]	; Load next byte
0805C2E4: E2422001    sub     r2, r2, #0x00000001	; Decrement it
0805C2E8: E3520000    cmp     r2, #0x00000000
0805C2EC: 0A000103    beq     0x0805C700
0805C2F0: E5C12001    strb    r2, [r1, #0x0001]	; Store it back if it has not turned to #$00
0805C2F4: E5D12002    ldrb    r2, [r1, #0x0002]	; Load the next byte
0805C2F8: E3320000    teq     r2, #0x00000000
0805C2FC: 0A000003    beq     0x0805C310
0805C300: E2422001    sub     r2, r2, #0x00000001	; Decrement loaded byte
0805C304: E3520000    cmp     r2, #0x00000000
0805C308: 0A0000A2    beq     0x0805C598		; Branch if loaded byte turned #$00
0805C30C: E5C12002    strb    r2, [r1, #0x0002]	; Store it back if it has not turned to #$00
0805C310: E3170008    tst     r7, #0x00000008
0805C314: 0A000006    beq     0x0805C334		; Increment loop counter and load address in r1
0805C318: E5D12024    ldrb    r2, [r1, #0x0024]
0805C31C: E3320000    teq     r2, #0x00000000
0805C320: 0A000003    beq     0x0805C334		; Increment loop counter and load address in r1
0805C324: E2422001    sub     r2, r2, #0x00000001

0805C328: E3320000    teq     r2, #0x00000000
0805C32C: 0A0000D1    beq     0x0805C678
0805C330: E5C12024    strb    r2, [r1, #0x0024]
0805C334: E2811038    add     r1, r1, #0x00000038	; r1 + #$0038
0805C338: E2877001    add     r7, r7, #0x00000001	; INC r7
0805C33C: E337000C    teq     r7, #0x0000000C
0805C340: 1AFFFFE3    bne     0x0805C2D4		; Loop if r7 < #$0C
0805C344: E59F0A8C    ldr     r0, =#0x020011D0
0805C348: E1D010B2    ldrh    r1, [r0, #0x02]
0805C34C: E3310000    teq     r1, #0x00000000
0805C350: 1A000006    bne     0x0805C370
0805C354: E59F2A80    ldr     r2, =#0x02001190
0805C358: E4D20001    ldrb    r0, [r2], #0x0001	; r0 = $02001190 (Byte sized)
0805C35C: E4D21001    ldrb    r1, [r2], #0x0001	; r1 = $02001191 (Byte sized)
0805C360: E1500001    cmp     r0, r1
0805C364: 1A000058    bne     0x0805C4CC
0805C368: E8BD01F0    ldmfd   sp!, {r4, r5, r6, r7, r8}
0805C36C: E12FFF1E    bx      lr

0805C370: E2411001    sub     r1, r1, #0x00000001
0805C374: E1C010B2    strh    r1, [r0, #0x02]
0805C378: E3310000    teq     r1, #0x00000000
0805C37C: 0A00002D    beq     0x0805C438
0805C380: E1D010B4    ldrh    r1, [r0, #0x04]
0805C384: E2411C01    sub     r1, r1, #0x00000100

0805C388: E3110CFF    tst     r1, #0x0000FF00
0805C38C: 11C010B4    strhne  r1, [r0, #0x04]
0805C390: 1AFFFFEF    bne     0x0805C354
0805C394: E1D020B8    ldrh    r2, [r0, #0x08]
0805C398: E0811002    add     r1, r1, r2
0805C39C: E1C010B4    strh    r1, [r0, #0x04]
0805C3A0: E5D01000    ldrb    r1, [r0]
0805C3A4: E5D02001    ldrb    r2, [r0, #0x0001]
0805C3A8: E1510002    cmp     r1, r2
0805C3AC: 43A01000    movmi   r1, #0x00000000
0805C3B0: 50411002    subpl   r1, r1, r2
0805C3B4: E5C01000    strb    r1, [r0]
0805C3B8: E1A022A1    mov     r2, r1 lsr #0x05
0805C3BC: E1A03202    mov     r3, r2 lsl #0x04
0805C3C0: E0832002    add     r2, r3, r2
0805C3C4: E59F4A14    ldr     r4, =#0x020011BC
0805C3C8: E1D430B0    ldrh    r3, [r4]
0805C3CC: E2033CFF    and     r3, r3, #0x0000FF00
0805C3D0: E1833002    orr     r3, r3, r2
0805C3D4: E1C430B0    strh    r3, [r4]
0805C3D8: E59F89B4    ldr     r8, =#0x04000060
0805C3DC: E1C832B0    strh    r3, [r8, #0x20]
0805C3E0: E59F09FC    ldr     r0, =#0x020010B0
0805C3E4: E3A06008    mov     r6, #0x00000008
0805C3E8: E5D02000    ldrb    r2, [r0]
0805C3EC: E3120001    tst     r2, #0x00000001
0805C3F0: 0A00000B    beq     0x0805C424
0805C3F4: E5D03025    ldrb    r3, [r0, #0x0025]
0805C3F8: E2814001    add     r4, r1, #0x00000001
0805C3FC: E0050394    mul     r5, r4, r3
0805C400: E3150080    tst     r5, #0x00000080
0805C404: 12855C01    addne   r5, r5, #0x00000100
0805C408: E1A03425    mov     r3, r5 lsr #0x08
0805C40C: E3120002    tst     r2, #0x00000002
0805C410: 1A000003    bne     0x0805C424
0805C414: E59F29CC    ldr     r2, =#0x020011A8

0805C418: E3160001    tst     r6, #0x00000001
0805C41C: 05823000    streq   r3, [r2]
0805C420: 15823010    strne   r3, [r2, #0x0010]
0805C424: E2866001    add     r6, r6, #0x00000001
0805C428: E2800038    add     r0, r0, #0x00000038
0805C42C: E336000C    teq     r6, #0x0000000C
0805C430: 1AFFFFEC    bne     0x0805C3E8
0805C434: EAFFFFC6    b       0x0805C354
0805C438: E59F3954    ldr     r3, =#0x04000060
0805C43C: E59F0954    ldr     r0, =#0x0000C80E
0805C440: E1C302B2    strh    r0, [r3, #0x22]
0805C444: E59F0950    ldr     r0, =#0x0000730E
0805C448: E1C302B2    strh    r0, [r3, #0x22]
0805C44C: E3A00000    mov     r0, #0x00000000
0805C450: E1C302B4    strh    r0, [r3, #0x24]
0805C454: E3A0008F    mov     r0, #0x0000008F
0805C458: E1C302B4    strh    r0, [r3, #0x24]
0805C45C: E3A00077    mov     r0, #0x00000077
0805C460: E1C302B0    strh    r0, [r3, #0x20]
0805C464: E59F1980    ldr     r1, =#0x020011BC
0805C468: E1C100B0    strh    r0, [r1]
0805C46C: E3A00000    mov     r0, #0x00000000
0805C470: E1C300B2    strh    r0, [r3, #0x02]
0805C474: E1C300B8    strh    r0, [r3, #0x08]
0805C478: E1C301B8    strh    r0, [r3, #0x18]
0805C47C: E3A00000    mov     r0, #0x00000000
0805C480: E1C301B2    strh    r0, [r3, #0x12]
0805C484: E1C300B0    strh    r0, [r3]
0805C488: E3A00902    mov     r0, #0x00008000
0805C48C: E1C300B4    strh    r0, [r3, #0x04]
0805C490: E1C300BC    strh    r0, [r3, #0x0C]
0805C494: E1C301B4    strh    r0, [r3, #0x14]
0805C498: E1C301BA    strh    r0, [r3, #0x1A]
0805C49C: E3A00000    mov     r0, #0x00000000
0805C4A0: E59F1948    ldr     r1, =#0x02000EF0
0805C4A4: E4C10038    strb    r0, [r1], #0x0038
0805C4A8: E59F2944    ldr     r2, =#0x02001190
0805C4AC: E1310002    teq     r1, r2
0805C4B0: 1AFFFFFB    bne     0x0805C4A4
0805C4B4: E1C30AB2    strh    r0, [r3, #0xA2]
0805C4B8: E1C30AB6    strh    r0, [r3, #0xA6]
0805C4BC: E59F0934    ldr     r0, =#0x020011D0
0805C4C0: E3A010FF    mov     r1, #0x000000FF
0805C4C4: E5801000    str     r1, [r0]
0805C4C8: EAFFFFA1    b       0x0805C354

0805C4CC: E3A01000    mov     r1, #0x00000000
0805C4D0: E19210B0    ldrh    r1, [r2, r0]			; Load value from $02001192 + r0
0805C4D4: E3A03000    mov     r3, #0x00000000
0805C4D8: E18230B0    strh    r3, [r2, r0]			; $02001192 + r0 = #$0000
0805C4DC: E2800002    add     r0, r0, #0x00000002		; Increment the double-byte-load-index in r0
0805C4E0: E2000007    and     r0, r0, #0x00000007		; Reset it to #$00 if it reached #$08
0805C4E4: E59F2910    ldr     r2, =#0x02001190
0805C4E8: E5C20000    strb    r0, [r2]				; Store back
0805C4EC: E59F290C    ldr     r2, =#0x0805D2DC			; Address Table address
0805C4F0: E7920101    ldr     r0, [r2, r1 lsl #0x02]		; Load address from Table (r1 is the index)
0805C4F4: E4901004    ldr     r1, [r0], #0x0004
0805C4F8: E35100FF    cmp     r1, #0x000000FF
0805C4FC: 0A000023    beq     0x0805C590			; Exit if = #$000000FF
0805C500: E3A03038    mov     r3, #0x00000038
0805C504: E59F28F8    ldr     r2, =#0x02000EF0
0805C508: E0222391    mla     r2, r1, r3, r2
0805C50C: E5D23000    ldrb    r3, [r2]
0805C510: E3833001    orr     r3, r3, #0x00000001
0805C514: E5C23000    strb    r3, [r2]
0805C518: E4903004    ldr     r3, [r0], #0x0004
0805C51C: E4904004    ldr     r4, [r0], #0x0004
0805C520: E5823004    str     r3, [r2, #0x0004]
0805C524: E5824010    str     r4, [r2, #0x0010]
0805C528: E3A03000    mov     r3, #0x00000000
0805C52C: E5823024    str     r3, [r2, #0x0024]
0805C530: E5823028    str     r3, [r2, #0x0028]
0805C534: E582302C    str     r3, [r2, #0x002C]
0805C538: E3A03001    mov     r3, #0x00000001
0805C53C: E5C23001    strb    r3, [r2, #0x0001]
0805C540: E59F38C0    ldr     r3, =#0x0805B69C
0805C544: E7F34001    ldrb    r4, [r3, r1]!
0805C548: E5C2402A    strb    r4, [r2, #0x002A]
0805C54C: E5D3400C    ldrb    r4, [r3, #0x000C]
0805C550: E5C2402B    strb    r4, [r2, #0x002B]
0805C554: E3510004    cmp     r1, #0x00000004
0805C558: 4AFFFFE5    bmi     0x0805C4F4
0805C55C: E3510008    cmp     r1, #0x00000008
0805C560: 43A030E0    movmi   r3, #0x000000E0
0805C564: 4A000000    bmi     0x0805C56C
0805C568: EA000004    b       0x0805C580

0805C56C: E0422003    sub     r2, r2, r3
0805C570: E5D21000    ldrb    r1, [r2]
0805C574: E3811002    orr     r1, r1, #0x00000002
0805C578: E5C21000    strb    r1, [r2]
0805C57C: EAFFFFDC    b       0x0805C4F4
0805C580: E351000A    cmp     r1, #0x0000000A
0805C584: 53A03070    movpl   r3, #0x00000070
0805C588: 4AFFFFD9    bmi     0x0805C4F4
0805C58C: EAFFFFF6    b       0x0805C56C
0805C590: E8BD01F0    ldmfd   sp!, {r4, r5, r6, r7, r8}
0805C594: E12FFF1E    bx      lr

0805C598: E3170008    tst     r7, #0x00000008
0805C59C: 1A000018    bne     0x0805C604
0805C5A0: E5912034    ldr     r2, [r1, #0x0034]
0805C5A4: E4D20001    ldrb    r0, [r2], #0x0001
0805C5A8: E5C10002    strb    r0, [r1, #0x0002]
0805C5AC: E4D23001    ldrb    r3, [r2], #0x0001
0805C5B0: E5C13028    strb    r3, [r1, #0x0028]
0805C5B4: E5812034    str     r2, [r1, #0x0034]
0805C5B8: E5D12000    ldrb    r2, [r1]
0805C5BC: E3120002    tst     r2, #0x00000002
0805C5C0: 1A00000E    bne     0x0805C600
0805C5C4: E5D12026    ldrb    r2, [r1, #0x0026]
0805C5C8: E0433002    sub     r3, r3, r2
0805C5CC: E31308FF    tst     r3, #0x00FF0000
0805C5D0: 13A03000    movne   r3, #0x00000000
0805C5D4: E5D12024    ldrb    r2, [r1, #0x0024]
0805C5D8: E0823403    add     r3, r2, r3 lsl #0x08
0805C5DC: E1C132B2    strh    r3, [r1, #0x22]
0805C5E0: E59F2824    ldr     r2, =#0x0805B65C
0805C5E4: E7922107    ldr     r2, [r2, r7 lsl #0x02]
0805C5E8: E1C230B0    strh    r3, [r2]
0805C5EC: E59F281C    ldr     r2, =#0x0805B67C
0805C5F0: E7922107    ldr     r2, [r2, r7 lsl #0x02]
0805C5F4: E1D132B0    ldrh    r3, [r1, #0x20]
0805C5F8: E3833902    orr     r3, r3, #0x00008000
0805C5FC: E1C230B0    strh    r3, [r2]
0805C600: EAFFFF4B    b       0x0805C334
0805C604: E5912034    ldr     r2, [r1, #0x0034]
0805C608: E4D23001    ldrb    r3, [r2], #0x0001
0805C60C: E5C13002    strb    r3, [r1, #0x0002]
0805C610: E4D23001    ldrb    r3, [r2], #0x0001
0805C614: E1A04223    mov     r4, r3 lsr #0x04
0805C618: E5C14024    strb    r4, [r1, #0x0024]
0805C61C: E5C1402E    strb    r4, [r1, #0x002E]
0805C620: E203300F    and     r3, r3, #0x0000000F

0805C624: E5C1302D    strb    r3, [r1, #0x002D]
0805C628: E4D23001    ldrb    r3, [r2], #0x0001
0805C62C: E5C13028    strb    r3, [r1, #0x0028]
0805C630: E5812034    str     r2, [r1, #0x0034]
0805C634: E5D12026    ldrb    r2, [r1, #0x0026]
0805C638: E2822001    add     r2, r2, #0x00000001
0805C63C: E0040392    mul     r4, r2, r3
0805C640: E1A02424    mov     r2, r4 lsr #0x08
0805C644: E5C12025    strb    r2, [r1, #0x0025]
0805C648: E5D13000    ldrb    r3, [r1]
0805C64C: E3130002    tst     r3, #0x00000002
0805C650: 1A000007    bne     0x0805C674
0805C654: E59F37B8    ldr     r3, =#0x020011D0
0805C658: E5D34000    ldrb    r4, [r3]
0805C65C: E0050492    mul     r5, r2, r4
0805C660: E1A02425    mov     r2, r5 lsr #0x08
0805C664: E3170001    tst     r7, #0x00000001
0805C668: 059F37A8    ldreq   r3, =#0x020011A8
0805C66C: 159F37A8    ldrne   r3, =#0x020011B8
0805C670: E5832000    str     r2, [r3]
0805C674: EAFFFF2E    b       0x0805C334
0805C678: E5D1202E    ldrb    r2, [r1, #0x002E]
0805C67C: E5C12024    strb    r2, [r1, #0x0024]
0805C680: E5D1302D    ldrb    r3, [r1, #0x002D]
0805C684: E313000F    tst     r3, #0x0000000F
0805C688: 0A00001B    beq     0x0805C6FC
0805C68C: E5D12028    ldrb    r2, [r1, #0x0028]
0805C690: E3130008    tst     r3, #0x00000008
0805C694: E2033007    and     r3, r3, #0x00000007
0805C698: 00824003    addeq   r4, r2, r3
0805C69C: 10424003    subne   r4, r2, r3
0805C6A0: E31404FF    tst     r4, #0xFF000000
0805C6A4: 13A04000    movne   r4, #0x00000000
0805C6A8: 1A000001    bne     0x0805C6B4
0805C6AC: E3140CFF    tst     r4, #0x0000FF00
0805C6B0: 13A040FF    movne   r4, #0x000000FF
0805C6B4: E5C14028    strb    r4, [r1, #0x0028]
0805C6B8: E5D12026    ldrb    r2, [r1, #0x0026]
0805C6BC: E2822001    add     r2, r2, #0x00000001
0805C6C0: E0030492    mul     r3, r2, r4
0805C6C4: E1A02423    mov     r2, r3 lsr #0x08
0805C6C8: E5C12025    strb    r2, [r1, #0x0025]
0805C6CC: E5D13000    ldrb    r3, [r1]
0805C6D0: E3130002    tst     r3, #0x00000002
0805C6D4: 1AFFFFE6    bne     0x0805C674
0805C6D8: E59F3740    ldr     r3, =#0x020011D0
0805C6DC: E5D34000    ldrb    r4, [r3]
0805C6E0: E2844001    add     r4, r4, #0x00000001
0805C6E4: E0050492    mul     r5, r2, r4
0805C6E8: E1A02425    mov     r2, r5 lsr #0x08
0805C6EC: E3170001    tst     r7, #0x00000001
0805C6F0: 059F372C    ldreq   r3, =#0x020011A8
0805C6F4: 159F372C    ldrne   r3, =#0x020011B8
0805C6F8: E5832000    str     r2, [r3]
0805C6FC: EAFFFF0C    b       0x0805C334
0805C700: E59F868C    ldr     r8, =#0x04000060
0805C704: E5912004    ldr     r2, [r1, #0x0004]
0805C708: E4D20001    ldrb    r0, [r2], #0x0001
0805C70C: E3500080    cmp     r0, #0x00000080
0805C710: 4A000009    bmi     0x0805C73C
0805C714: E35000E0    cmp     r0, #0x000000E0
0805C718: 4A000002    bmi     0x0805C728
0805C71C: E200001F    and     r0, r0, #0x0000001F
0805C720: E59F3704    ldr     r3, =#0x0805C994
0805C724: E793F100    ldr     pc, [r3, r0 lsl #0x02]
0805C728: E200007F    and     r0, r0, #0x0000007F
0805C72C: E59F36FC    ldr     r3, =#0x0805CE80
0805C730: E7D30000    ldrb    r0, [r3, r0]
0805C734: E5C10029    strb    r0, [r1, #0x0029]
0805C738: EAFFFFF2    b       0x0805C708

$0805D2DC - Address Table for Sound related Data

34 D7 05 08 ; Entry #$00
4C D8 05 08
88 D8 05 08
C0 D8 05 08
10 D9 05 08
4C D9 05 08
68 D9 05 08
88 D9 05 08
60 DA 05 08 ; Entry #$08
4C DB 05 08
6C DB 05 08
AC DB 05 08
EC DB 05 08
D0 DC 05 08
F0 DC 05 08
28 DD 05 08
78 DD 05 08 ; Entry #$10
A8 DD 05 08
EC DD 05 08
0C DE 05 08
58 DE 05 08
C0 DE 05 08
5C DF 05 08
B4 DF 05 08
E4 DF 05 08 ; Entry #$18
00 E0 05 08
24 E0 05 08
44 E0 05 08
64 E0 05 08
D0 E0 05 08
24 E1 05 08
44 E1 05 08
40 24 06 08 ; Entry #$20
70 2B 06 08
B4 64 06 08
70 35 06 08
5C 38 06 08
2C 3E 06 08
24 42 06 08
18 45 06 08
0C 48 06 08 ; Entry #$28
FC 4B 06 08
18 4F 06 08
E4 56 06 08
48 59 06 08
C4 5E 06 08
00 62 06 08
58 31 06 08
74 6B 06 08 ; Entry #$30
30 73 06 08
18 74 06 08
58 75 06 08
0C 78 06 08
94 79 06 08
DC 7B 06 08
DC BA 06 08
2C 8B 06 08 ; Entry #$38
10 8D 06 08
EC 91 06 08
94 93 06 08
88 96 06 08
DC 99 06 08
10 9E 06 08
E0 9E 06 08
5C 9F 06 08 ; Entry #$40
1C A0 06 08
C8 A1 06 08
C0 A3 06 08
C0 A6 06 08
30 A9 06 08 ; Entry #$45, used when the music on the title screen starts
E0 AE 06 08
EC B0 06 08
F8 B3 06 08
7C B8 06 08
78 7D 06 08
54 C6 06 08
B0 C7 06 08
54 C8 06 08
F8 C8 06 08
3C C9 06 08
4C 19 06 08
84 19 06 08
BC 19 06 08
10 1A 06 08
58 1A 06 08
C0 1A 06 08
F0 1A 06 08
34 1B 06 08
7C 1B 06 08
BC 1B 06 08
18 1C 06 08
5C 1C 06 08
30 1D 06 08
74 1D 06 08
B0 1D 06 08
04 1E 06 08
04 E1 05 08
AC E1 05 08
CC E1 05 08
EC E1 05 08
0C E2 05 08
2C E2 05 08
4C E2 05 08
6C E2 05 08
8C E2 05 08
AC E2 05 08
CC E2 05 08
EC E2 05 08
0C E3 05 08
2C E3 05 08
4C E3 05 08
6C E3 05 08
8C E3 05 08
EC E3 05 08
0C E4 05 08
7C E4 05 08
30 E5 05 08
18 E6 05 08
D0 E6 05 08
5C E7 05 08
8C E8 05 08
EC E8 05 08
28 E9 05 08
E0 E9 05 08
00 EA 05 08
40 EA 05 08
84 EA 05 08
E4 EA 05 08
28 EB 05 08
70 EB 05 08
9C EB 05 08
C4 EB 05 08
F8 EB 05 08
38 EC 05 08
60 EC 05 08
C4 EC 05 08
24 ED 05 08
64 ED 05 08
88 ED 05 08
A8 ED 05 08
E0 ED 05 08
04 EE 05 08
2C EE 05 08
50 EE 05 08
90 EE 05 08
B8 EE 05 08
A0 EF 05 08
F4 EF 05 08
1C F0 05 08
B4 F0 05 08
08 F1 05 08
50 F1 05 08
AC F1 05 08
C8 F2 05 08
3C F3 05 08
6C F3 05 08
F8 F3 05 08
50 F4 05 08
DC F4 05 08
78 F5 05 08
C0 F5 05 08
FC F5 05 08
90 F6 05 08
C8 F6 05 08
18 F7 05 08
A0 F7 05 08
3C F8 05 08
90 F8 05 08
D8 F8 05 08
F8 F8 05 08
D4 F9 05 08
38 FA 05 08
D0 FA 05 08
3C FB 05 08
EC FB 05 08
34 FC 05 08
54 FC 05 08
94 FC 05 08
E0 FC 05 08
38 FD 05 08
90 FD 05 08
04 FE 05 08
40 FF 05 08
8C FF 05 08
20 00 06 08
B4 00 06 08
F0 00 06 08
30 01 06 08
A4 01 06 08
F8 01 06 08
34 02 06 08
A8 02 06 08
58 03 06 08
C4 03 06 08
3C 04 06 08
88 04 06 08
44 05 06 08
D0 05 06 08
10 06 06 08
BC 06 06 08
E4 06 06 08
10 07 06 08
80 07 06 08
B0 07 06 08
48 08 06 08
D0 08 06 08
18 09 06 08
A8 09 06 08
E4 09 06 08
04 0A 06 08
60 0A 06 08
D8 0A 06 08
18 0B 06 08
88 0B 06 08
14 0C 06 08
4C 0C 06 08
6C 0C 06 08
90 0C 06 08
B8 0C 06 08
D8 0C 06 08
FC 0C 06 08
38 0D 06 08
80 0D 06 08
BC 0D 06 08
DC 0D 06 08
14 0E 06 08
4C 0E 06 08
88 0E 06 08
B8 0E 06 08
00 0F 06 08
38 0F 06 08
88 0F 06 08
A8 0F 06 08
F0 0F 06 08
20 10 06 08
44 10 06 08
6C 10 06 08
A0 10 06 08
F8 10 06 08
38 11 06 08
64 11 06 08
84 11 06 08
C0 11 06 08
E0 11 06 08
14 12 06 08
48 12 06 08
90 12 06 08
DC 12 06 08
28 13 06 08
44 13 06 08
7C 13 06 08
98 13 06 08
C0 13 06 08
0C 14 06 08
90 14 06 08
3C D7 05 08
78 1E 06 08
E8 1E 06 08
18 1F 06 08
50 1F 06 08
BC 20 06 08
48 21 06 08
80 21 06 08
28 22 06 08
9C 22 06 08
E8 14 06 08
20 16 06 08
E4 16 06 08
40 17 06 08
98 17 06 08
E0 17 06 08
54 18 06 08
E0 18 06 08
D8 22 06 08
04 23 06 08
4C 23 06 08
90 23 06 08
BC 23 06 08

(Next is $0805D734)

$0805D734 - (Data)

Entry #$00 in the Address Table at $0805D2DC (right above). This data gets executed at $0805C2C8.

FF 00 00 00 ; Exit command at $0805C2C8

(Next is $0805D738)

$080972B4 - (Main Title Subroutine?)

As far as I can see, this is only called from $0800052E. The value that is in r0 in the end is used as a number for a Jump Table, something between #$00 and #$06. It is loaded here at $08097376 onwards from Register $020326D1.

080972B4: B5F0    push    {r4, r5, r6, r7, lr}
080972B6: 4657    mov     r7, r10
080972B8: 464E    mov     r6, r9
080972BA: 4645    mov     r5, r8
080972BC: B4E0    push    {r5, r6, r7}
080972BE: B081    add     sp, #-0x004

080972C0: 2000    mov     r0, #0x00			; CLEAR DMA
080972C2: 4682    mov     r10, r0			; r10 = r0 = #$00
080972C4: 4668    mov     r0, sp
080972C6: 4651    mov     r1, r10
080972C8: 8001    strh    r1, [r0]			; Clear newly added stack entry
080972CA: 4930    ldr     r1, =#0x040000D4
080972CC: 6008    str     r0, [r1]			; DMA Source Address: Cleared Stack Entry
080972CE: 4A30    ldr     r2, =#0x0202DE30
080972D0: 604A    str     r2, [r1, #0x04]		; Destination
080972D2: 4830    ldr     r0, =#0x81002458
080972D4: 6088    str     r0, [r1, #0x08]		; Fixed Transfer, 2458 Double Bytes
080972D6: 6888    ldr     r0, [r1, #0x08]
080972D8: 6888    ldr     r0, [r1, #0x08]
080972DA: 2380    mov     r3, #0x80
080972DC: 061B    lsl     r3, r3, #0x18
080972DE: 1C15    add     r5, r2, #0x0			; r5 = #$0202DE30
080972E0: 4E2D    ldr     r6, =#0x0203BBA0		; r6 = #$0203BBA0
080972E2: 4F2E    ldr     r7, =#0x0203CAD0		; r7 = #$0203CAD0
080972E4: 4A2E    ldr     r2, =#0x0203CAC0
080972E6: 4694    mov     r12, r2			; r12 = #$0203CAC0
080972E8: 4A2E    ldr     r2, =#0x0203BBF0
080972EA: 4690    mov     r8, r2			; r8 = #$0203BBF0
080972EC: 4A2E    ldr     r2, =#0x0203BC10
080972EE: 4691    mov     r9, r2			; r9 = #$0203BC10
080972F0: 2800    cmp     r0, #0x00
080972F2: DA04    bge     0x080972FE			; Branch if DMA is completed
080972F4: 1C1A    add     r2, r3, #0x0
080972F6: 6888    ldr     r0, [r1, #0x08]
080972F8: 4010    and     r0, r2
080972FA: 2800    cmp     r0, #0x00
080972FC: D1FB    bne     0x080972F6			; Loop if DMA isn't completed

080972FE: 1C2C    add     r4, r5, #0x0			; r4 = #$0202DE30
08097300: 492A    ldr     r1, =#0x000048A0
08097302: 1860    add     r0, r4, r1			; r0 = #$020326D0
08097304: 4652    mov     r2, r10			; r2 = #$00000000
08097306: 7002    strb    r2, [r0]			; Clear $020326D0 (byte)
08097308: 6026    str     r6, [r4]			; $0203DE30 = #$0203BBA0 (Address for Graphic Settings Buffer)
0809730A: 6067    str     r7, [r4, #0x04]		; $0203DE34 = #$0203CAD0 (Address for Graphics Buffer)
0809730C: 4660    mov     r0, r12
0809730E: 60A0    str     r0, [r4, #0x08]		; $0203DE38 = #$0203CAC0 
08097310: 4641    mov     r1, r8
08097312: 60E1    str     r1, [r4, #0x0C]		; $0203DE3C = #$0203BBF0
08097314: 464A    mov     r2, r9
08097316: 6122    str     r2, [r4, #0x10]		; $0203DE40 = #$0203BC10
08097318: F001    bl       
0809731A: F8B4    bl      0x08098484			; (Disables Interrupts, transfers data to $020000D0 (WRAM), re-enables Interrupts)
0809731C: 6920    ldr     r0, [r4, #0x10]		; r0 = $0203DE40 = #$0203BC10
0809731E: 2101    mov     r1, #0x01
08097320: 2201    mov     r2, #0x01
08097322: 2300    mov     r3, #0x00
08097324: F01F    bl       
08097326: FB24    bl      0x080B6970
08097328: 2800    cmp     r0, #0x00
0809732A: D102    bne     0x08097332
0809732C: 201B    mov     r0, #0x1B
0809732E: F7C4    bl       
08097330: F919    bl      0x0805B564
08097332: 6920    ldr     r0, [r4, #0x10]
08097334: 491E    ldr     r1, =#0x00000EAC
08097336: 1840    add     r0, r0, r1
08097338: 7801    ldrb    r1, [r0]
0809733A: 2004    mov     r0, #0x04
0809733C: 4008    and     r0, r1
0809733E: 2800    cmp     r0, #0x00
08097340: D00A    beq     0x08097358
08097342: 2003    mov     r0, #0x03
08097344: F005    bl       
08097346: FABC    bl      0x0809C8C0
08097348: F001    bl       
0809734A: F89C    bl      0x08098484
0809734C: 6920    ldr     r0, [r4, #0x10]
0809734E: 2101    mov     r1, #0x01
08097350: 2200    mov     r2, #0x00
08097352: 2300    mov     r3, #0x00
08097354: F01F    bl       
08097356: FB0C    bl      0x080B6970
08097358: F7C4    bl       
0809735A: F90C    bl      0x0805B574
0809735C: F027    bl       
0809735E: FAD6    bl      0x080BE90C
08097360: F000    bl       
08097362: F9BC    bl      0x080976DC
08097364: 1C28    add     r0, r5, #0x0			; r5 = #$0202DE30
08097366: 3014    add     r0, #0x14
08097368: 2100    mov     r1, #0x00
0809736A: F002    bl       
0809736C: FC25    bl      0x08099BB8
0809736E: F000    bl       
08097370: F8C5    bl      0x080974FC
08097372: F000    bl       
08097374: F9A9    bl      0x080976C8
08097376: 4A0F    ldr     r2, =#0x000048A1		; LOAD JUMP TABLE ENTRY NUMBER
08097378: 18A8    add     r0, r5, r2			; r5 = #$020326D1
0809737A: 7800    ldrb    r0, [r0]

0809737C: B001    add     sp, #0x004
0809737E: BC38    pop     {r3, r4, r5}
08097380: 4698    mov     r8, r3
08097382: 46A1    mov     r9, r4
08097384: 46AA    mov     r10, r5
08097386: BCF0    pop     {r4, r5, r6, r7}
08097388: BC02    pop     {r1}
0809738A: 4708    bx      r1

;DATA
;=================
;0809738C: 00D4    lsl     r4, r2, #0x3
;0809738E: 0400    lsl     r0, r0, #0x10
;08097390: DE30    ???      
;08097392: 0202    lsl     r2, r0, #0x8

$080974FC - ?

This enables and disables the VBLANK/HBLANK interrupts and jumps to a really big subroutine.

080974FC: B570    push    {r4, r5, r6, lr}
080974FE: 4646    mov     r6, r8
08097500: B440    push    {r6}
08097502: B081    add     sp, #-0x004

08097504: 4A12    ldr     r2, =#0x04000208
08097506: 2000    mov     r0, #0x00
08097508: 4680    mov     r8, r0
0809750A: 8010    strh    r0, [r2]			; Disable all interrupts
0809750C: 4D11    ldr     r5, =#0x04000200
0809750E: 8828    ldrh    r0, [r5]			; Load interrupts
08097510: 2601    mov     r6, #0x01
08097512: 4330    orr     r0, r6			; Enable LCD-V-Blank
08097514: 8028    strh    r0, [r5]			; Store back
08097516: 4C10    ldr     r4, =#0x04000004
08097518: 8820    ldrh    r0, [r4]			; Load General LCD Status
0809751A: 2108    mov     r1, #0x08
0809751C: 4308    orr     r0, r1			; Set Flag for V-BLANK IRQ Enable
0809751E: 8020    strh    r0, [r4]			; Store value back
08097520: 8016    strh    r6, [r2]			; Enable Interrupts again
08097522: 9200    str     r2, [sp]			; Store #$04000208 on stack
08097524: F000    bl       
08097526: F852    bl      0x080975CC			; ?
08097528: 9A00    ldr     r2, [sp]			; Restore #$0400208 from stack
0809752A: 4640    mov     r0, r8			; r8 is still #$00
0809752C: 8010    strh    r0, [r2]			; Disable all interrupts
0809752E: 8829    ldrh    r1, [r5]
08097530: 480A    ldr     r0, =#0x0000FFFC
08097532: 4008    and     r0, r1
08097534: 8028    strh    r0, [r5]			; Disable LCD V/H-Blank (if r5 was not changed in the subroutine)
08097536: 8821    ldrh    r1, [r4]
08097538: 4809    ldr     r0, =#0x0000FFE7
0809753A: 4008    and     r0, r1
0809753C: 8020    strh    r0, [r4]			; Disable LCD V/H IRQs (if r4 was not changed in the subroutine)
0809753E: 8016    strh    r6, [r2]			; Enable Interrupts again
08097540: F027    bl       
08097542: F8D0    bl      0x080BE6E4			; Turn the Screen to black

08097544: B001    add     sp, #0x004
08097546: BC08    pop     {r3}
08097548: 4698    mov     r8, r3
0809754A: BC70    pop     {r4, r5, r6}
0809754C: BC01    pop     {r0}
0809754E: 4700    bx      r0

;DATA
;===============
;08097550: 0208    lsl     r0, r1, #0x8
;08097552: 0400    lsl     r0, r0, #0x10
;08097554: 0200    lsl     r0, r0, #0x8
;08097556: 0400    lsl     r0, r0, #0x10
;08097558: 0004    lsl     r4, r0, #0x0
;0809755A: 0400    lsl     r0, r0, #0x10
;0809755C: FFFC    bl      0x07C98556
;0809755E: 0000    lsl     r0, r0, #0x0
;08097560: FFE7    bl      0x08098530
;08097562: 0000    lsl     r0, r0, #0x0

$080975CC - ?

080975CC: B510    push    {r4, lr}

080975CE: 4809    ldr     r0, =#0x0202DE30		; Load from $020326D4
080975D0: 4A09    ldr     r2, =#0x000048A4
080975D2: 1881    add     r1, r0, r2
080975D4: 7808    ldrb    r0, [r1]
080975D6: 07C0    lsl     r0, r0, #0x1F		; Is bit 0 of $020326D4 set?
080975D8: 2800    cmp     r0, #0x00
080975DA: D107    bne     0x080975EC			; Exit if it is set

080975DC: 1C0C    add     r4, r1, #0x0			; Restore #$020326D4 in r4
080975DE: 2001    mov     r0, #0x01			; ?
080975E0: F000    bl       
080975E2: F80C    bl      0x080975FC			; ?
080975E4: 7820    ldrb    r0, [r4]			; ?
080975E6: 07C0    lsl     r0, r0, #0x1F
080975E8: 2800    cmp     r0, #0x00			; Is bit 0 set?
080975EA: D0F8    beq     0x080975DE			; Loop if it is cleared

080975EC: BC10    pop     {r4}
080975EE: BC01    pop     {r0}
080975F0: 4700    bx      r0

;DATA
;=============
;080975F2: 0000    lsl     r0, r0, #0x0
;080975F4: DE30    ???      
;080975F6: 0202    lsl     r2, r0, #0x8
;080975F8: 48A4    ldr     r0, =#0x85A18DA2
;080975FA: 0000    lsl     r0, r0, #0x0

$080975FC - ?

080975FC: B510    push    {r4, lr}
080975FE: B081    add     sp, #-0x004

08097600: 4669    mov     r1, sp
08097602: 7008    strb    r0, [r1]
08097604: F000    bl       
08097606: F824    bl      0x08097650		; Disable all sprites
08097608: 4668    mov     r0, sp
0809760A: 7800    ldrb    r0, [r0]		; Restore Original r1
0809760C: 2800    cmp     r0, #0x00
0809760E: D008    beq     0x08097622
08097610: 4C0D    ldr     r4, =#0x0202DE30
08097612: 68A0    ldr     r0, [r4, #0x08]
08097614: F027    bl       
08097616: F89C    bl      0x080BE750
08097618: 1C20    add     r0, r4, #0x0
0809761A: 3014    add     r0, #0x14
0809761C: 68A1    ldr     r1, [r4, #0x08]
0809761E: F002    bl       
08097620: F8C3    bl      0x080997A8		; Gets executed twice, before the next  frame comes(?)
08097622: F000    bl       
08097624: F81F    bl      0x08097664
08097626: F000    bl       
08097628: F84D    bl      0x080976C4		; Jumps directly back, does nothng
0809762A: 4808    ldr     r0, =#0x0202DF00
0809762C: F026    bl       
0809762E: FD10    bl      0x080BE050
08097630: 0600    lsl     r0, r0, #0x18
08097632: 2800    cmp     r0, #0x00
08097634: D101    bne     0x0809763A
08097636: F027    bl       
08097638: FBCF    bl      0x080BEDD8
0809763A: F000    bl       
0809763C: FFA1    bl      0x08098580
0809763E: B001    add     sp, #0x004
08097640: BC10    pop     {r4}
08097642: BC01    pop     {r0}
08097644: 4700    bx      r0

;DATA
;============
;08097646: 0000    lsl     r0, r0, #0x0
;08097648: DE30    ???      
;0809764A: 0202    lsl     r2, r0, #0x8
;0809764C: DF00    swi     SoftReset
;0809764E: 0202    lsl     r2, r0, #0x8

$08097650 - Disable all Sprites

Disables all Sprites... in Buffer.

08097650: B500    push    {lr}
08097652: 4803    ldr     r0, =#0x0202DE30
08097654: 6840    ldr     r0, [r0, #0x04]	; Load Offset of the OAM Buffer
08097656: F027    bl       
08097658: F99F    bl      0x080BE998		; Disable all Sprites
0809765A: BC01    pop     {r0}
0809765C: 4700    bx      r0

;DATA
;===========
;0809765E: 0000    lsl     r0, r0, #0x0
;08097660: DE30    ???      
;08097662: 0202    lsl     r2, r0, #0x8

$08097664 - ?

08097664: B530    push    {r4, r5, lr}

08097666: 4C14    ldr     r4, =#0x0202DECC	; r4 = $0202DECC
08097668: 1C21    add     r1, r4, #0x0
0809766A: 3134    add     r1, #0x34		; r1 = $0202DF00
0809766C: 1C20    add     r0, r4, #0x0		; r0 = $0202DECC
0809766E: F004    bl       
08097670: F9E9    bl      0x0809BA44
08097672: 1C25    add     r5, r4, #0x0
08097674: 3D88    sub     r5, #0x88
08097676: 1C28    add     r0, r5, #0x0
08097678: F001    bl       
0809767A: FAB2    bl      0x08098BE0
0809767C: 1C28    add     r0, r5, #0x0
0809767E: F002    bl       
08097680: FFBF    bl      0x0809A600
08097682: 1C20    add     r0, r4, #0x0
08097684: 30A4    add     r0, #0xA4
08097686: F003    bl       
08097688: FE0D    bl      0x0809B2A4
0809768A: 3D14    sub     r5, #0x14
0809768C: 68E8    ldr     r0, [r5, #0x0C]
0809768E: F027    bl       
08097690: F929    bl      0x080BE8E4
08097692: 480A    ldr     r0, =#0x00004808
08097694: 1824    add     r4, r4, r0
08097696: 7820    ldrb    r0, [r4]
08097698: 06C0    lsl     r0, r0, #0x1B
0809769A: 2800    cmp     r0, #0x00
0809769C: DB08    blt     0x080976B0
0809769E: 6869    ldr     r1, [r5, #0x04]
080976A0: 2296    mov     r2, #0x96
080976A2: 0152    lsl     r2, r2, #0x5
080976A4: 1888    add     r0, r1, r2
080976A6: 4A06    ldr     r2, =#0x00001F04
080976A8: 1889    add     r1, r1, r2
080976AA: 8809    ldrh    r1, [r1]
080976AC: F004    bl       
080976AE: FF34    bl      0x0809C518

080976B0: BC30    pop     {r4, r5}
080976B2: BC01    pop     {r0}
080976B4: 4700    bx      r0

;080976B6: 0000    lsl     r0, r0, #0x0
;080976B8: DECC    ???      
;080976BA: 0202    lsl     r2, r0, #0x8
;080976BC: 4808    ldr     r0, =#0xB4604645
;080976BE: 0000    lsl     r0, r0, #0x0
;080976C0: 1F04    sub     r4, r0, #0x4
;080976C2: 0000    lsl     r0, r0, #0x0

$080976C8 - Deactivate Special Graphic Effects

Deactivates BLDCNT, BLDALPHA and BLDY.

080976C8: 4803    ldr     r0, =#0x04000050
080976CA: 2100    mov     r1, #0x00
080976CC: 8001    strh    r1, [r0]			; $04000050 - BLDCNT - Color Special Effects Selection
080976CE: 3002    add     r0, #0x02
080976D0: 8001    strh    r1, [r0]			; $04000052 - BLDALPHA - Alpha Blending Coefficients
080976D2: 3002    add     r0, #0x02
080976D4: 8001    strh    r1, [r0]			; $04000054 - BLDY Brightness (Fade-In/Out) Coefficient
080976D6: 4770    bx      lr

;080976D8: 0050    lsl     r0, r2, #0x1
;080976DA: 0400    lsl     r0, r0, #0x10

$080976DC - ?

Removes some Intro Graphic Data Load Flags.

080976DC: B570    push    {r4, r5, r6, lr}
080976DE: 464E    mov     r6, r9
080976E0: 4645    mov     r5, r8
080976E2: B460    push    {r5, r6}
080976E4: 4C2B    ldr     r4, =#0x0202DE30
080976E6: 482C    ldr     r0, =#0x000048A4
080976E8: 1900    add     r0, r0, r4			; r0 = #$020326D4 (Intro Graphic Data Load Flag register)
080976EA: 4680    mov     r8, r0			; r8 = #$020326D4 (Intro Graphic Data Load Flag register)
080976EC: 7802    ldrb    r2, [r0]
080976EE: 2002    mov     r0, #0x02
080976F0: 4240    neg     r0, r0
080976F2: 1C01    add     r1, r0, #0x0
080976F4: 4011    and     r1, r2			; Remove bit 1 from $020326D4's value
080976F6: 2202    mov     r2, #0x02
080976F8: 4311    orr     r1, r2			; Set bit 1 from $020326D4's value
080976FA: 2211    mov     r2, #0x11
080976FC: 4252    neg     r2, r2
080976FE: 4691    mov     r9, r2
08097700: 4011    and     r1, r2			; Remove bits 0 and 4 from $020326D4's value
08097702: 4A26    ldr     r2, =#0x0000489C
08097704: 18A5    add     r5, r4, r2			; r5 = #$020326CC
08097706: 882A    ldrh    r2, [r5]
08097708: 2200    mov     r2, #0x00
0809770A: 802A    strh    r2, [r5]			; $020326CC = #$0000
0809770C: 4A24    ldr     r2, =#0x0000489E
0809770E: 18A3    add     r3, r4, r2
08097710: 4A24    ldr     r2, =#0x0000FFFF
08097712: 801A    strh    r2, [r3]			; $020326CE = #$FFFF
08097714: 2621    mov     r6, #0x21
08097716: 4276    neg     r6, r6			; r6 = #$FFFFFFDE
08097718: 4031    and     r1, r6			; Remove bits 0 and 5 from r1
0809771A: 2341    mov     r3, #0x41
0809771C: 425B    neg     r3, r3			; r3 = #$FFFFFFBE
0809771E: 4019    and     r1, r3			; Remove bits 0 and 6 from r1
08097720: 227F    mov     r2, #0x7F
08097722: 4011    and     r1, r2			; Remove bit 7 from r1 (rest is unused anyway)
08097724: 4642    mov     r2, r8			; r2 = #$020326D4 (Intro Graphic Data Load Flag register)
08097726: 7011    strb    r1, [r2]
08097728: 491F    ldr     r1, =#0x000048A5
0809772A: 1862    add     r2, r4, r1			; r2 = #$020326D5 (Intro Graphic Data Load Flag register)
0809772C: 7811    ldrb    r1, [r2]
0809772E: 4008    and     r0, r1			; Remove bit 1 from loaded value
08097730: 2103    mov     r1, #0x03
08097732: 4249    neg     r1, r1
08097734: 4008    and     r0, r1			; Remove bits 0 and 1 from loaded value
08097736: 3902    sub     r1, #0x02
08097738: 4008    and     r0, r1			; Remove bit 1 from loaded value
0809773A: 3904    sub     r1, #0x04
0809773C: 4008    and     r0, r1			; Remove bit 2 from loaded value
0809773E: 4649    mov     r1, r9
08097740: 4008    and     r0, r1			; Remove bits 0 and 4 from loaded value
08097742: 4030    and     r0, r6			; Remove bits 0 and 5 from loaded value
08097744: 4018    and     r0, r3			; Remove bits 0 and 6 from loaded value
08097746: 7010    strb    r0, [r2]			; Store value back
08097748: 6820    ldr     r0, [r4]			; Load the address of the graphics settings
0809774A: F000    bl       
0809774C: F83F    bl      0x080977CC			; Set Video Mode
0809774E: 6860    ldr     r0, [r4, #0x04]		; Load the address of the graphics buffer
08097750: F000    bl       
08097752: F8D0    bl      0x080978F4
08097754: 1C20    add     r0, r4, #0x0
08097756: 3014    add     r0, #0x14			;r0 = #$0202DE44
08097758: F000    bl       
0809775A: F97A    bl      0x08097A50			; ? (Some Register Setup)
0809775C: 22A0    mov     r2, #0xA0
0809775E: 0052    lsl     r2, r2, #0x1
08097760: 18A0    add     r0, r4, r2			;r0 = #$0202DF70
08097762: F000    bl       
08097764: F9D3    bl      0x08097B0C			; ?
08097766: 1C20    add     r0, r4, #0x0
08097768: 309C    add     r0, #0x9C			;r0 = #$0202DECC
0809776A: F004    bl       
0809776C: F8DF    bl      0x0809B92C			; ?
0809776E: 1C20    add     r0, r4, #0x0
08097770: 30D0    add     r0, #0xD0			;r0 = #$0202DF00
08097772: F026    bl       
08097774: FAFD    bl      0x080BDD70			; ?
08097776: 1C28    add     r0, r5, #0x0			;r0 = #$020326CC
08097778: F000    bl       
0809777A: F818    bl      0x080977AC			; ?
0809777C: 68A0    ldr     r0, [r4, #0x08]
0809777E: F026    bl       
08097780: FFD5    bl      0x080BE72C			; ?
08097782: 68E0    ldr     r0, [r4, #0x0C]
08097784: F027    bl       
08097786: F83A    bl      0x080BE7FC			; ?
08097788: BC18    pop     {r3, r4}
0809778A: 4698    mov     r8, r3
0809778C: 46A1    mov     r9, r4
0809778E: BC70    pop     {r4, r5, r6}
08097790: BC01    pop     {r0}
08097792: 4700    bx      r0

;DATA
;===============
;08097794: DE30    ???      
;08097796: 0202    lsl     r2, r0, #0x8
;08097798: 48A4    ldr     r0, =#0x00004700
;0809779A: 0000    lsl     r0, r0, #0x0
;0809779C: 489C    ldr     r0, =#0x01497809
;0809779E: 0000    lsl     r0, r0, #0x0
;080977A0: 489E    ldr     r0, =#0x015222CE
;080977A2: 0000    lsl     r0, r0, #0x0
;080977A4: FFFF    bl      0x080987A4
;080977A6: 0000    lsl     r0, r0, #0x0
;080977A8: 48A5    ldr     r0, =#0x81000258
;080977AA: 0000    lsl     r0, r0, #0x0

$080977AC - ?

r0 contains an address.

This is executed once in the intro, and when it is executed, the address in r0 is $020326CC.

080977AC: B500    push    {lr}

080977AE: 1C02    add     r2, r0, #0x0
080977B0: 7910    ldrb    r0, [r2, #0x04]		; $020326D0 = Video Mode Decider(?)
080977B2: 2800    cmp     r0, #0x00			; If value is empty, leave out the flag-set-stuff and directly go to the subroutine
080977B4: D105    bne     0x080977C2

080977B6: 7A10    ldrb    r0, [r2, #0x08]		; Load value from $020326D4 (Intro Flag register)
080977B8: 2120    mov     r1, #0x20			; Bit 5
080977BA: 4308    orr     r0, r1			; Set Flag for Title Screen Graphic data (done at $0809878C)
080977BC: 2140    mov     r1, #0x40			; Bit 6
080977BE: 4308    orr     r0, r1			; ???
080977C0: 7210    strb    r0, [r2, #0x08]		; Store back

080977C2: F000    bl       
080977C4: FFE3    bl      0x0809878C			; Work off Set Flags

080977C6: BC01    pop     {r0}
080977C8: 4700    bx      r0

;080977CA: 0000    lsl     r0, r0, #0x0

$080977CC - Set Video Mode (Titlescreen/Intro)

This Subroutine can do three different things:

1) It sets the system to Video Mode 0

2) It sets the system to Video Mode 2 and clears all registers for Video Mode 2

3) It clears all registers for Video Mode 2 without setting Video Mode 2; I expect this to be used when it is sure that everything already is in Video Mode 2

This subroutine is controlled through a jump table. Funny fact is there are different jump table entries pointing to the same address. The only logical reason for this is that the variable for the Jump Table is periodically incremented and not set to a fixed value.

080977CC: B510    push    {r4, lr}		; Preserve r4 and lr on stack
080977CE: 1C04    add     r4, r0, #0x0

080977D0: 4805    ldr     r0, =#0x0202DE30
080977D2: 4906    ldr     r1, =#0x000048A0
080977D4: 1840    add     r0, r0, r1
080977D6: 7800    ldrb    r0, [r0]		; Load Byte from $020326D0

080977D8: 2804    cmp     r0, #0x04
080977DA: D865    bhi     0x080978A8		; Exit if Byte (Table Entry to jump at) is higher than 4...

080977DC: 0080    lsl     r0, r0, #0x2
080977DE: 4904    ldr     r1, =#0x080977F4
080977E0: 1840    add     r0, r0, r1
080977E2: 6800    ldr     r0, [r0]
080977E4: 4687    mov     pc, r0		; ... else, jump to an entry of the Table at $080977F4

;DATA
;============
;080977E6: 0000    lsl     r0, r0, #0x0
;080977E8: DE30    ???      
;080977EA: 0202    lsl     r2, r0, #0x8
;080977EC: 48A0    ldr     r0, =#0x30028001
;080977EE: 0000    lsl     r0, r0, #0x0
;080977F0: 77F4    strb    r4, [r6, #0x1F]
;080977F2: 0809    lsr     r1, r1, #0x0

; ADDRESS TABLE:
; entry 00: $08097808
; entry 01: $08097838
; entry 02: $08097808
; entry 03: $08097820
; entry 04: $08097820

;080977F4: 7808    ldrb    r0, [r1]
;080977F6: 0809    lsr     r1, r1, #0x0
;080977F8: 7838    ldrb    r0, [r7]
;080977FA: 0809    lsr     r1, r1, #0x0
;080977FC: 7808    ldrb    r0, [r1]
;080977FE: 0809    lsr     r1, r1, #0x0
;08097800: 7820    ldrb    r0, [r4]
;08097802: 0809    lsr     r1, r1, #0x0
;08097804: 7820    ldrb    r0, [r4]
;08097806: 0809    lsr     r1, r1, #0x0

;entry 00/02
08097808: 2000    mov     r0, #0x00
0809780A: F000    bl       
0809780C: F853    bl      0x080978B4				; ?
0809780E: 4803    ldr     r0, =#0x0202DE30
08097810: 6801    ldr     r1, [r0]				; Load offset of the Screen Settings
08097812: 8908    ldrh    r0, [r1, #0x08]			; Buffer for $04000000 - DISPCNT - LCD Control 
08097814: 2000    mov     r0, #0x00
08097816: 8108    strh    r0, [r1, #0x08]			; Set to Video Mode 0, disable all BGs/OBJ
08097818: E011    b       0x0809783E

;0809781A: 0000    lsl     r0, r0, #0x0
;0809781C: DE30    ???      
;0809781E: 0202    lsl     r2, r0, #0x8

; entry 03/4
08097820: 2001    mov     r0, #0x01
08097822: F000    bl       
08097824: F847    bl      0x080978B4
08097826: 4803    ldr     r0, =#0x0202DE30
08097828: 6801    ldr     r1, [r0]				; Load offset of the Screen Settings
0809782A: 8908    ldrh    r0, [r1, #0x08]			; Buffer for $04000000 - DISPCNT - LCD Control 
0809782C: 2002    mov     r0, #0x02
0809782E: 8108    strh    r0, [r1, #0x08]			; Set to Video Mode 2, disable all BGs/OBJ
08097830: E005    b       0x0809783E

;08097832: 0000    lsl     r0, r0, #0x0
;08097834: DE30    ???      
;08097836: 0202    lsl     r2, r0, #0x8

; entry 01
08097838: 2002    mov     r0, #0x02
0809783A: F000    bl       
0809783C: F83B    bl      0x080978B4

0809783E: 4A1C    ldr     r2, =#0x0202DE30
08097840: 6813    ldr     r3, [r2]				; Load offset of the Screen Settings
08097842: 8818    ldrh    r0, [r3]				; $04000052 - BLDCNT - Color Special Effects Selection
08097844: 2100    mov     r1, #0x00
08097846: 20FF    mov     r0, #0xFF
08097848: 8018    strh    r0, [r3]				; Activate all(?)
0809784A: 6810    ldr     r0, [r2]
0809784C: 8843    ldrh    r3, [r0, #0x02]			; BLDALPHA - Alpha Blending Coefficients
0809784E: 8041    strh    r1, [r0, #0x02]			; Store #$0000
08097850: 6812    ldr     r2, [r2]
08097852: 8890    ldrh    r0, [r2, #0x04]			; BLDY - Brightness (Fade-In/Out) Coefficient
08097854: 200F    mov     r0, #0x0F
08097856: 8090    strh    r0, [r2, #0x04]			; Full Brightness
08097858: 8920    ldrh    r0, [r4, #0x08]			; DISPCNT - LCD Control
0809785A: 8121    strh    r1, [r4, #0x08]			; Set to Video Mode 0, disable all BGs/OBJ
0809785C: 8A60    ldrh    r0, [r4, #0x12]			; BG0HOFS - BG0 X-Offset
0809785E: 8261    strh    r1, [r4, #0x12]
08097860: 8AA0    ldrh    r0, [r4, #0x14]			; BG0VOFS - BG0 Y-Offset
08097862: 82A1    strh    r1, [r4, #0x14]
08097864: 8AE0    ldrh    r0, [r4, #0x16]			; BG1HOFS - BG1 X-Offset
08097866: 82E1    strh    r1, [r4, #0x16]
08097868: 8B20    ldrh    r0, [r4, #0x18]			; BG1VOFS - BG1 Y-Offset
0809786A: 8321    strh    r1, [r4, #0x18]
0809786C: 8B60    ldrh    r0, [r4, #0x1A]			; BG2HOFS - BG2 X-Offset
0809786E: 8361    strh    r1, [r4, #0x1A]
08097870: 8BA0    ldrh    r0, [r4, #0x1C]			; BG2VOFS - BG2 Y-Offset
08097872: 83A1    strh    r1, [r4, #0x1C]
08097874: 8BE0    ldrh    r0, [r4, #0x1E]			; BG3HOFS - BG3 X-Offset
08097876: 83E1    strh    r1, [r4, #0x1E]
08097878: 8C20    ldrh    r0, [r4, #0x20]			; BG3VOFS - BG3 Y-Offset
0809787A: 8421    strh    r1, [r4, #0x20]
0809787C: 8C60    ldrh    r0, [r4, #0x22]			; BG2PA - BG2 Rotation/Scaling Parameter A (alias dx)
0809787E: 2080    mov     r0, #0x80
08097880: 0040    lsl     r0, r0, #0x1
08097882: 8460    strh    r0, [r4, #0x22]			; Value is something just above 0
08097884: 8D62    ldrh    r2, [r4, #0x2A]			; BG3PA - BG3 Rotation/Scaling Parameter A (alias dx)
08097886: 8560    strh    r0, [r4, #0x2A]			; Value is something just above 0
08097888: 8CA2    ldrh    r2, [r4, #0x24]			; BG2PB - BG2 Rotation/Scaling Parameter B (alias dmx)
0809788A: 84A1    strh    r1, [r4, #0x24]
0809788C: 8DA2    ldrh    r2, [r4, #0x2C]			; BG3PB - BG3 Rotation/Scaling Parameter B (alias dmx)
0809788E: 85A1    strh    r1, [r4, #0x2C]
08097890: 8CE2    ldrh    r2, [r4, #0x26]			; BG2PC - BG2 Rotation/Scaling Parameter C (alias dy)
08097892: 84E1    strh    r1, [r4, #0x26]
08097894: 8DE2    ldrh    r2, [r4, #0x2E]			; BG3PC - BG3 Rotation/Scaling Parameter C (alias dy)
08097896: 85E1    strh    r1, [r4, #0x2E]
08097898: 8D22    ldrh    r2, [r4, #0x28]			; BG2PC - BG2 Rotation/Scaling Parameter C (alias dy)
0809789A: 8520    strh    r0, [r4, #0x28]
0809789C: 8E22    ldrh    r2, [r4, #0x30]			; BG3PD - BG3 Rotation/Scaling Parameter D (alias dmy)
0809789E: 8620    strh    r0, [r4, #0x30]
080978A0: 6361    str     r1, [r4, #0x34]			; BG2X_L - BG2 Reference Point X-Coordinate, lower 16 bit
080978A2: 63A1    str     r1, [r4, #0x38]			; BG2X_H - BG2 Reference Point X-Coordinate, upper 12 bit
080978A4: 63E1    str     r1, [r4, #0x3C]			; BG3X_L - BG3 Reference Point X-Coordinate, lower 16 bit
080978A6: 6421    str     r1, [r4, #0x40]			; BG3X_H - BG3 Reference Point X-Coordinate, upper 12 bit

; Higher than 04
080978A8: BC10    pop     {r4}
080978AA: BC01    pop     {r0}
080978AC: 4700    bx      r0
;080978AE: 0000    lsl     r0, r0, #0x0
;080978B0: DE30    ???      
;080978B2: 0202    lsl     r2, r0, #0x8

$080978B4 - Set BG Controls in Screen Settings Buffer

r0 contains an Index for a table at $080C2438 (each entry is 8 Bytes in Size).

The bytes in this table are transferred in the Buffer for the BG Control Registers ($04000008/A/C/E).

080978B4: B510    push    {r4, lr}
080978B6: 0400    lsl     r0, r0, #0x10
080978B8: 0B40    lsr     r0, r0, #0xD		; r0 = r0 * 8 (remove Upper Double Byte)
080978BA: 490C    ldr     r1, =#0x080C2438
080978BC: 1840    add     r0, r0, r1
080978BE: 4B0C    ldr     r3, =#0x0202DE30
080978C0: 6819    ldr     r1, [r3]
080978C2: 8802    ldrh    r2, [r0]
080978C4: 894C    ldrh    r4, [r1, #0x0A]
080978C6: 814A    strh    r2, [r1, #0x0A]	; BG1CNT - BG1 Control
080978C8: 3002    add     r0, #0x02
080978CA: 6819    ldr     r1, [r3]
080978CC: 8802    ldrh    r2, [r0]
080978CE: 898C    ldrh    r4, [r1, #0x0C]
080978D0: 818A    strh    r2, [r1, #0x0C]	; BG1CNT - BG1 Control
080978D2: 3002    add     r0, #0x02
080978D4: 6819    ldr     r1, [r3]
080978D6: 8802    ldrh    r2, [r0]
080978D8: 89CC    ldrh    r4, [r1, #0x0E]
080978DA: 81CA    strh    r2, [r1, #0x0E]	; BG2CNT - BG2 Control
080978DC: 6819    ldr     r1, [r3]
080978DE: 8840    ldrh    r0, [r0, #0x02]
080978E0: 8A0A    ldrh    r2, [r1, #0x10]
080978E2: 8208    strh    r0, [r1, #0x10]	; BG3CNT - BG3 Control
080978E4: BC10    pop     {r4}
080978E6: BC01    pop     {r0}
080978E8: 4700    bx      r0

;080978EA: 0000    lsl     r0, r0, #0x0
;080978EC: 2438    mov     r4, #0x38
;080978EE: 080C    lsr     r4, r1, #0x0
;080978F0: DE30    ???      
;080978F2: 0202    lsl     r2, r0, #0x8

$080978F4 - (Graphics Buffer clearing?)

When this is called from $080976DC (I don't know if it is ever called from somewhere else), r0 contains the value from $0202DE34, which is the address of the graphics buffer (should be $0203CAD0).

This is only executed once, when the Intro is first loaded.

$0203E9D8-A get all get set to #$1F, $0203E490 = #$7FFF (set Color No. 0 in the Palette RAM buffer to white)

080978F4: B530    push    {r4, r5, lr}
080978F6: B081    add     sp, #-0x004
080978F8: 1C05    add     r5, r0, #0x0			; Transfer address of the graphics buffer in r5
080978FA: 21F8    mov     r1, #0xF8
080978FC: 0149    lsl     r1, r1, #0x5			; r1 = #$00001F00
080978FE: 1868    add     r0, r5, r1			; r0 = Flag register
08097900: 7801    ldrb    r1, [r0]
08097902: 2100    mov     r1, #0x00
08097904: 7001    strb    r1, [r0]			; Clear Flag register 1
08097906: 4A4A    ldr     r2, =#0x00001F01
08097908: 18A8    add     r0, r5, r2
0809790A: 7802    ldrb    r2, [r0]
0809790C: 7001    strb    r1, [r0]			; Clear Flag register 2
0809790E: 4C49    ldr     r4, =#0x00001F02
08097910: 1928    add     r0, r5, r4
08097912: 7802    ldrb    r2, [r0]
08097914: 7001    strb    r1, [r0]			; Clear Flag register 3
08097916: 4A48    ldr     r2, =#0x00001F03
08097918: 18A8    add     r0, r5, r2
0809791A: 7802    ldrb    r2, [r0]
0809791C: 7001    strb    r1, [r0]			; Clear Flag register 4
0809791E: 4668    mov     r0, sp
08097920: 8001    strh    r1, [r0]			; Clear newly created Stack entry
08097922: 4846    ldr     r0, =#0x040000D4
08097924: 466C    mov     r4, sp
08097926: 6004    str     r4, [r0]			; Use Stack entry as source for a fixed DMA (Clear DMA)
08097928: 6045    str     r5, [r0, #0x04]		; Destination Address: Graphics buffer start point
0809792A: 4945    ldr     r1, =#0x81000258
0809792C: 6081    str     r1, [r0, #0x08]		; Fixed transfer for $258 double bytes
0809792E: 6881    ldr     r1, [r0, #0x08]
08097930: 1C02    add     r2, r0, #0x0
08097932: 6890    ldr     r0, [r2, #0x08]
08097934: 2180    mov     r1, #0x80
08097936: 0609    lsl     r1, r1, #0x18
08097938: 2800    cmp     r0, #0x00
0809793A: DA03    bge     0x08097944			; Branch if DMA is finished

0809793C: 6890    ldr     r0, [r2, #0x08]
0809793E: 4008    and     r0, r1
08097940: 2800    cmp     r0, #0x00
08097942: D1FB    bne     0x0809793C			; Loop if DMA is not finished

08097944: 4669    mov     r1, sp
08097946: 2000    mov     r0, #0x00
08097948: 8008    strh    r0, [r1]			; Clear Stack Entry (again)
0809794A: 493C    ldr     r1, =#0x040000D4
0809794C: 4668    mov     r0, sp
0809794E: 6008    str     r0, [r1]			; DMA source: Stack entry
08097950: 2296    mov     r2, #0x96
08097952: 00D2    lsl     r2, r2, #0x3
08097954: 18A8    add     r0, r5, r2
08097956: 6048    str     r0, [r1, #0x04]		; DMA Destination: $0203CF80
08097958: 4839    ldr     r0, =#0x81000258
0809795A: 6088    str     r0, [r1, #0x08]		; Transfer $258 Doublebytes, Fixed Transfer
0809795C: 6888    ldr     r0, [r1, #0x08]
0809795E: 6888    ldr     r0, [r1, #0x08]
08097960: 2280    mov     r2, #0x80
08097962: 0612    lsl     r2, r2, #0x18
08097964: 2800    cmp     r0, #0x00
08097966: DA03    bge     0x08097970
08097968: 6888    ldr     r0, [r1, #0x08]
0809796A: 4010    and     r0, r2
0809796C: 2800    cmp     r0, #0x00
0809796E: D1FB    bne     0x08097968			; Loop until DMA is done

08097970: 4669    mov     r1, sp
08097972: 2000    mov     r0, #0x00
08097974: 8008    strh    r0, [r1]			; Clear Stack Entry (again)
08097976: 4931    ldr     r1, =#0x040000D4
08097978: 466C    mov     r4, sp
0809797A: 600C    str     r4, [r1]			; DMA source: Stack entry
0809797C: 2296    mov     r2, #0x96
0809797E: 0112    lsl     r2, r2, #0x4			; DMA Destination: $0203D430
08097980: 18A8    add     r0, r5, r2
08097982: 6048    str     r0, [r1, #0x04]
08097984: 482E    ldr     r0, =#0x81000258
08097986: 6088    str     r0, [r1, #0x08]		; Transfer $258 Doublebytes, Fixed Transfer
08097988: 6888    ldr     r0, [r1, #0x08]
0809798A: 6888    ldr     r0, [r1, #0x08]
0809798C: 2280    mov     r2, #0x80
0809798E: 0612    lsl     r2, r2, #0x18
08097990: 2800    cmp     r0, #0x00
08097992: DA03    bge     0x0809799C

08097994: 6888    ldr     r0, [r1, #0x08]
08097996: 4010    and     r0, r2
08097998: 2800    cmp     r0, #0x00
0809799A: D1FB    bne     0x08097994			; Loop until DMA is done

0809799C: 4669    mov     r1, sp
0809799E: 2000    mov     r0, #0x00
080979A0: 8008    strh    r0, [r1]			; Clear Stack Entry (again)
080979A2: 4926    ldr     r1, =#0x040000D4
080979A4: 466C    mov     r4, sp
080979A6: 600C    str     r4, [r1]			; DMA source: Stack entry
080979A8: 22E1    mov     r2, #0xE1
080979AA: 0112    lsl     r2, r2, #0x4
080979AC: 18A8    add     r0, r5, r2
080979AE: 6048    str     r0, [r1, #0x04]		; DMA Destination: $0203D8E0
080979B0: 4823    ldr     r0, =#0x81000258
080979B2: 6088    str     r0, [r1, #0x08]		; Transfer $258 Doublebytes, Fixed Transfer
080979B4: 6888    ldr     r0, [r1, #0x08]
080979B6: 6888    ldr     r0, [r1, #0x08]
080979B8: 2280    mov     r2, #0x80
080979BA: 0612    lsl     r2, r2, #0x18
080979BC: 2800    cmp     r0, #0x00
080979BE: DA03    bge     0x080979C8

080979C0: 6888    ldr     r0, [r1, #0x08]
080979C2: 4010    and     r0, r2
080979C4: 2800    cmp     r0, #0x00
080979C6: D1FB    bne     0x080979C0			; Loop until DMA is done

; Clear DMA for Palette RAM
080979C8: 4669    mov     r1, sp
080979CA: 2000    mov     r0, #0x00
080979CC: 8008    strh    r0, [r1]			; Clear Stack Entry (again)
080979CE: 491B    ldr     r1, =#0x040000D4
080979D0: 466C    mov     r4, sp
080979D2: 600C    str     r4, [r1]			; DMA source: Stack entry
080979D4: 22CE    mov     r2, #0xCE
080979D6: 0152    lsl     r2, r2, #0x5
080979D8: 18A8    add     r0, r5, r2
080979DA: 6048    str     r0, [r1, #0x04]		; DMA Destination: $0203E490
080979DC: 4819    ldr     r0, =#0x81000200
080979DE: 6088    str     r0, [r1, #0x08]		; Transfer $200 Doublebytes, Fixed Transfer
080979E0: 6888    ldr     r0, [r1, #0x08]
080979E2: 6888    ldr     r0, [r1, #0x08]
080979E4: 2280    mov     r2, #0x80
080979E6: 0612    lsl     r2, r2, #0x18
080979E8: 2800    cmp     r0, #0x00
080979EA: DA03    bge     0x080979F4

080979EC: 6888    ldr     r0, [r1, #0x08]
080979EE: 4010    and     r0, r2
080979F0: 2800    cmp     r0, #0x00
080979F2: D1FB    bne     0x080979EC			; Loop until DMA is done

080979F4: 4C14    ldr     r4, =#0x00001F08
080979F6: 192B    add     r3, r5, r4
080979F8: 7818    ldrb    r0, [r3]
080979FA: 201F    mov     r0, #0x1F
080979FC: 7018    strb    r0, [r3]			; $0203E9D8 = #$1F
080979FE: 4A13    ldr     r2, =#0x00001F09
08097A00: 18A9    add     r1, r5, r2
08097A02: 780A    ldrb    r2, [r1]
08097A04: 7008    strb    r0, [r1]			; $0203E9D9 = #$1F
08097A06: 3402    add     r4, #0x02
08097A08: 192A    add     r2, r5, r4
08097A0A: 7814    ldrb    r4, [r2]
08097A0C: 7010    strb    r0, [r2]			; $0203E9DA = #$1F
08097A0E: 7818    ldrb    r0, [r3]
08097A10: 7809    ldrb    r1, [r1]
08097A12: 0149    lsl     r1, r1, #0x5
08097A14: 4301    orr     r1, r0			; r1 = #$03FF
08097A16: 7810    ldrb    r0, [r2]
08097A18: 0280    lsl     r0, r0, #0xA
08097A1A: 4301    orr     r1, r0			; r1 = #$7FFF
08097A1C: 22CE    mov     r2, #0xCE
08097A1E: 0152    lsl     r2, r2, #0x5
08097A20: 18A8    add     r0, r5, r2			; r0 = $0203E490
08097A22: 8802    ldrh    r2, [r0]
08097A24: 8001    strh    r1, [r0]			; $0203E490 = #$7FFF
08097A26: B001    add     sp, #0x004
08097A28: BC30    pop     {r4, r5}
08097A2A: BC01    pop     {r0}
08097A2C: 4700    bx      r0

;08097A2E: 0000    lsl     r0, r0, #0x0
;08097A30: 1F01    sub     r1, r0, #0x4
;08097A32: 0000    lsl     r0, r0, #0x0
;08097A34: 1F02    sub     r2, r0, #0x4
;08097A36: 0000    lsl     r0, r0, #0x0
;08097A38: 1F03    sub     r3, r0, #0x4
;08097A3A: 0000    lsl     r0, r0, #0x0
;08097A3C: 00D4    lsl     r4, r2, #0x3
;08097A3E: 0400    lsl     r0, r0, #0x10
;08097A40: 0258    lsl     r0, r3, #0x9
;08097A42: 8100    strh    r0, [r0, #0x08]
;08097A44: 0200    lsl     r0, r0, #0x8
;08097A46: 8100    strh    r0, [r0, #0x08]
;08097A48: 1F08    sub     r0, r1, #0x4
;08097A4A: 0000    lsl     r0, r0, #0x0
;08097A4C: 1F09    sub     r1, r1, #0x4
;08097A4E: 0000    lsl     r0, r0, #0x0

$08097A50 - (Register clearing, jump to Register Setup)

(As far as I can see it, this subroutine is only called from $080976DC. In that case, r0 is always = #$0202DE44, so I wrote all the comments here under the assumption that r0 = #$0202DE44. In the unlikely case that this is executed from elsewhere with a different value, you have to re-calculate the corresponding addresses.)

This subroutine

  • clears a whole lot of addresses
  • Sets $0202DEBA to #$00 or #$01, depending on the corresponding status of Bit 0 of $0203CAA2.
  • Jumps to a subroutine
08097A50: B500    push    {lr}
08097A52: 1C03    add     r3, r0, #0x0				; r3 = #$0202DE44 (Orig. r0)
08097A54: 1C1A    add     r2, r3, #0x0
08097A56: 3280    add     r2, #0x80				; r2 = #$0202DEC4 (Orig. r0 + #$80)
08097A58: 2100    mov     r1, #0x00
08097A5A: 2003    mov     r0, #0x03
08097A5C: 7010    strb    r0, [r2]				; $0202DEC4 = #$03
08097A5E: 6699    str     r1, [r3, #0x68]			; $0202DEAC-F = #$00000000
08097A60: 66D9    str     r1, [r3, #0x6C]			; $0202DEB0-3 = #$00000000
08097A62: 6719    str     r1, [r3, #0x70]			; $0202DEB4-7 = #$00000000
08097A64: 1C18    add     r0, r3, #0x0
08097A66: 3081    add     r0, #0x81				; r0 = $0202DEC5 (Orig. r0 + #$81)
08097A68: 7001    strb    r1, [r0]				; $0202DEC5 = #$00
08097A6A: 3809    sub     r0, #0x09
08097A6C: 8001    strh    r1, [r0]				; $0202DEBC-D = #$0000
08097A6E: 3002    add     r0, #0x02
08097A70: 8001    strh    r1, [r0]				; $0202DEBE-F = #$0000
08097A72: 3002    add     r0, #0x02
08097A74: 8001    strh    r1, [r0]				; $0202DEC0-1 = #$0000
08097A76: 3002    add     r0, #0x02
08097A78: 8001    strh    r1, [r0]				; $0202DEC2-3 = #$0000
08097A7A: 3204    add     r2, #0x04
08097A7C: 2000    mov     r0, #0x00
08097A7E: 7010    strb    r0, [r2]				; $0202DEC8 = #$00
08097A80: 1C18    add     r0, r3, #0x0
08097A82: 3074    add     r0, #0x74
08097A84: 8001    strh    r1, [r0]				; $0202DEB8/9 = #$0000
08097A86: 4807    ldr     r0, =#0x0202DE30
08097A88: 6900    ldr     r0, [r0, #0x10]			; r0 = [$0202DE40] = #$0203BC10 (by default)
08097A8A: 4907    ldr     r1, =#0x00000E92
08097A8C: 1840    add     r0, r0, r1
08097A8E: 7800    ldrb    r0, [r0]				; r0 = [$0203CAA2]
08097A90: 2201    mov     r2, #0x01
08097A92: 1C11    add     r1, r2, #0x0
08097A94: 4001    and     r1, r0
08097A96: 2900    cmp     r1, #0x00
08097A98: D008    beq     0x08097AAC				; Branch if Bit 0 of $0203CAA2 is clear

08097A9A: 1C18    add     r0, r3, #0x0
08097A9C: 3076    add     r0, #0x76
08097A9E: 8002    strh    r2, [r0]				; $0202DEBA = #$01
08097AA0: E007    b       0x08097AB2

;08097AA2: 0000    lsl     r0, r0, #0x0
;08097AA4: DE30    ???      
;08097AA6: 0202    lsl     r2, r0, #0x8
;08097AA8: 0E92    lsr     r2, r2, #0x1A
;08097AAA: 0000    lsl     r0, r0, #0x0
;08097AA2: 0000    lsl     r0, r0, #0x0
;08097AA4: DE30    ???      
;08097AA6: 0202    lsl     r2, r0, #0x8
;08097AA8: 0E92    lsr     r2, r2, #0x1A
;08097AAA: 0000    lsl     r0, r0, #0x0

08097AAC: 1C18    add     r0, r3, #0x0
08097AAE: 3076    add     r0, #0x76
08097AB0: 8001    strh    r1, [r0]				; $0202DEBA = #$00

08097AB2: 1C18    add     r0, r3, #0x0
08097AB4: 3030    add     r0, #0x30				; r0 = #$0202DE74
08097AB6: F000    bl       
08097AB8: F803    bl      0x08097AC0				; ?
08097ABA: BC01    pop     {r0}
08097ABC: 4700    bx      r0
08097ABE: 0000    lsl     r0, r0, #0x0

$08097AC0 - (Register Setup)

(As far as I can see it, this subroutine is only called from $08097A50. In that case, r0 is always = #$0202DE74, so I wrote all the comments here under the assumption that r0 = #$0202DE44. In the unlikely case that this is executed from elsewhere with a different value, you have to re-calculate the corresponding addresses.)

08097AC0: 2100    mov     r1, #0x00
08097AC2: 7201    strb    r1, [r0, #0x08]				; $0202DE7C = #$00
08097AC4: 2201    mov     r2, #0x01
08097AC6: 7602    strb    r2, [r0, #0x18]				; $0202DE8C = #$01
08097AC8: 490D    ldr     r1, =#0x06000040
08097ACA: 6001    str     r1, [r0]					; $0202DE74-7 = #$06000040
08097ACC: 490D    ldr     r1, =#0x06008040
08097ACE: 6101    str     r1, [r0, #0x10]				; $0202DE84-7 = #$06080040
08097AD0: 2100    mov     r1, #0x00
08097AD2: 8082    strh    r2, [r0, #0x04]				; $0202DE78/9 = #$0001
08097AD4: 8282    strh    r2, [r0, #0x14]				; $0202DE88/9 = #$0001
08097AD6: 7241    strb    r1, [r0, #0x09]				; $0202DE7D = #$00
08097AD8: 2108    mov     r1, #0x08
08097ADA: 7641    strb    r1, [r0, #0x19]				; $0202DE8D = #$00
08097ADC: 2202    mov     r2, #0x02
08097ADE: 7282    strb    r2, [r0, #0x0A]				; $0202DE7E = #$02
08097AE0: 2103    mov     r1, #0x03
08097AE2: 7681    strb    r1, [r0, #0x1A]				; $0202DE8E = #$03
08097AE4: 72C2    strb    r2, [r0, #0x0B]				; $0202DE8F = #$02
08097AE6: 76C1    strb    r1, [r0, #0x1B]				; $0202DE8F = #$03
08097AE8: 7301    strb    r1, [r0, #0x0C]				; $0202DE90 = #$03
08097AEA: 7702    strb    r2, [r0, #0x1C]				; $0202DEA0 = #$02
08097AEC: 4906    ldr     r1, =#0x00000844
08097AEE: 80C1    strh    r1, [r0, #0x06]				; $0202DE7A/B = #$0844
08097AF0: 2189    mov     r1, #0x89
08097AF2: 00C9    lsl     r1, r1, #0x3
08097AF4: 82C1    strh    r1, [r0, #0x16]				; $0202DE8A/B = #$0448
08097AF6: 1C01    add     r1, r0, #0x0
08097AF8: 3110    add     r1, #0x10
08097AFA: 6201    str     r1, [r0, #0x20]				; $0202DE94 = #$0202DE84
08097AFC: 4770    bx      lr

;08097AFE: 0000    lsl     r0, r0, #0x0
;08097B00: 0040    lsl     r0, r0, #0x1
;08097B02: 0600    lsl     r0, r0, #0x18
;08097B04: 8040    strh    r0, [r0, #0x02]
;08097B06: 0600    lsl     r0, r0, #0x18
;08097B08: 0844    lsr     r4, r0, #0x1
;08097B0A: 0000    lsl     r0, r0, #0x0

$08097B0C - (Register Setup)

(As far as I can see it, this subroutine is only called from $080976DC. In that case, r0 is always = #$0202DF70, so I wrote all the comments here under the assumption that r0 = #$0202DF70. In the unlikely case that this is executed from elsewhere with a different value, you have to re-calculate the corresponding addresses.)

This subroutine

  • clears $020326C8 to $020326CA
  • jumps to a subroutine
08097B0C: B510    push    {r4, lr}
08097B0E: 4A08    ldr     r2, =#0x00004758
08097B10: 1881    add     r1, r0, r2				; r1 = #$020326C8
08097B12: 2300    mov     r3, #0x00
08097B14: 2200    mov     r2, #0x00
08097B16: 800A    strh    r2, [r1]				; $020326C8/9 = #$0000
08097B18: 4C06    ldr     r4, =#0x0000475A
08097B1A: 1901    add     r1, r0, r4	
08097B1C: 700B    strb    r3, [r1]				; $020326CA = #$00
08097B1E: 4B06    ldr     r3, =#0x00004754
08097B20: 18C1    add     r1, r0, r3
08097B22: 600A    str     r2, [r1]				; $020326C4-7 = #$00000000
08097B24: F000    bl       
08097B26: F80A    bl      0x08097B3C
08097B28: BC10    pop     {r4}
08097B2A: BC01    pop     {r0}
08097B2C: 4700    bx      r0

;08097B2E: 0000    lsl     r0, r0, #0x0
;08097B30: 4758    bx      r11
;08097B32: 0000    lsl     r0, r0, #0x0
;08097B34: 475A    bx      r11
;08097B36: 0000    lsl     r0, r0, #0x0
;08097B38: 4754    bx      r10
;08097B3A: 0000    lsl     r0, r0, #0x0

$08097B3C - (Register Setup)

(As far as I can see it, this subroutine is only called from $08097B0C. In that case, r0 is always = #$0202DF70, so I wrote all the comments here under the assumption that r0 = #$0202DF70. In the unlikely case that this is executed from elsewhere with a different value, you have to re-calculate the corresponding addresses.)

08097B3C: B510    push    {r4, lr}

08097B3E: 4A11    ldr     r2, =#0x00004408
08097B40: 1881    add     r1, r0, r2
08097B42: 2200    mov     r2, #0x00
08097B44: 700A    strb    r2, [r1]			; $02032378 = #$00
08097B46: 4C10    ldr     r4, =#0x00004414
08097B48: 1903    add     r3, r0, r4
08097B4A: 2101    mov     r1, #0x01
08097B4C: 7019    strb    r1, [r3]			; $02032384 = #$01
08097B4E: 4B0F    ldr     r3, =#0x00004409
08097B50: 18C1    add     r1, r0, r3
08097B52: 700A    strb    r2, [r1]			; $02032379 = #$00
08097B54: 3401    add     r4, #0x01
08097B56: 1901    add     r1, r0, r4
08097B58: 700A    strb    r2, [r1]			; $02032385 = #$00
08097B5A: 2188    mov     r1, #0x88
08097B5C: 01C9    lsl     r1, r1, #0x7
08097B5E: 1843    add     r3, r0, r1			; r3 = #$02032370
08097B60: 3407    add     r4, #0x07
08097B62: 1902    add     r2, r0, r4
08097B64: 601A    str     r2, [r3]			; $0203238C-F = #$0202DF77
08097B66: 3C18    sub     r4, #0x18
08097B68: 1901    add     r1, r0, r4
08097B6A: 600A    str     r2, [r1]			; $02032374-7 = #$0202DF77
08097B6C: 3408    add     r4, #0x08
08097B6E: 1901    add     r1, r0, r4
08097B70: 600A    str     r2, [r1]			; $0203237C-F = #$0202DF77
08097B72: 3404    add     r4, #0x04
08097B74: 1901    add     r1, r0, r4
08097B76: 600A    str     r2, [r1]			; $02032380-3 = #$0202DF77
08097B78: 4905    ldr     r1, =#0x00004418
08097B7A: 1840    add     r0, r0, r1
08097B7C: 6003    str     r3, [r0]			; $02032388-B = #$02032370

08097B7E: BC10    pop     {r4}
08097B80: BC01    pop     {r0}
08097B82: 4700    bx      r0

;08097B84: 4408    add     r0, r1
;08097B86: 0000    lsl     r0, r0, #0x0
;08097B88: 4414    add     r4, r2
;08097B8A: 0000    lsl     r0, r0, #0x0
;08097B8C: 4409    add     r1, r1
;08097B8E: 0000    lsl     r0, r0, #0x0
;08097B90: 4418    add     r0, r3
;08097B92: 0000    lsl     r0, r0, #0x0

$08097B94 - Load Title Screen Graphic data

08097B94: B500    push    {lr}
08097B96: F000    bl       
08097B98: F805    bl      0x08097BA4			; Load Title Screen (Sky/Castle) Graphic Data
08097B9A: F000    bl       
08097B9C: F82F    bl      0x08097BFC			; Load Title Screen (Game Title) Graphic Data
08097B9E: BC01    pop     {r0}
08097BA0: 4700    bx      r0
;08097BA2: 0000    lsl     r0, r0, #0x0

$08097BA4 - Load Title (Sky/Castle) Graphic Data

Loads the Sky/Castle Graphic Data.

08097BA4: B510    push    {r4, lr}

08097BA6: 4C12    ldr     r4, =#0x08699AA4		; Graphic Data Table address
08097BA8: 1C20    add     r0, r4, #0x0
08097BAA: 2106    mov     r1, #0x06			; Load Graphic Data Table entry #$06
08097BAC: F026    bl       	
08097BAE: FBC0    bl      0x080BE330			; Calculate address of the Compressed Sky/Castle Tiles
08097BB0: 21C0    mov     r1, #0xC0
08097BB2: 04C9    lsl     r1, r1, #0x13		; Destination Address: $06000000 (VRAM)
08097BB4: F027    bl       
08097BB6: FEFE    bl      0x080BF9B4			; swi LZ77UnCompVram (decompress and transfer to VRAM)

08097BB8: 1C20    add     r0, r4, #0x0
08097BBA: 2107    mov     r1, #0x07			; Load Graphic Data Table entry #$07
08097BBC: F026    bl       
08097BBE: FBB8    bl      0x080BE330			; Calculate address of the Compressed Sky/Castle Colors
08097BC0: 2280    mov     r2, #0x80
08097BC2: 0092    lsl     r2, r2, #0x2			; Number of Bytes to transfer: #$200
08097BC4: 2100    mov     r1, #0x00
08097BC6: F004    bl       
08097BC8: FE57    bl      0x0809C878			; Transfer palette in Palette RAM Buffer

08097BCA: 1C20    add     r0, r4, #0x0
08097BCC: 2108    mov     r1, #0x08			; Load Graphic Data Table entry #$08
08097BCE: F026    bl       
08097BD0: FBAF    bl      0x080BE330			; Load address from Address Table
08097BD2: 2101    mov     r1, #0x01			; Screenfilling Tilemap Builder Destination: BG1
08097BD4: 2200    mov     r2, #0x00			; No addition to each tile
08097BD6: F000    bl       
08097BD8: FB19    bl      0x0809820C			; Screenfilling Tilemap Builder

08097BDA: 4806    ldr     r0, =#0x0202DE30
08097BDC: 6840    ldr     r0, [r0, #0x04]
08097BDE: 4906    ldr     r1, =#0x00001F01
08097BE0: 1840    add     r0, r0, r1			; r0 = #$0203FD31
08097BE2: 7801    ldrb    r1, [r0]
08097BE4: 2101    mov     r1, #0x01
08097BE6: 7001    strb    r1, [r0]			; Seems like some kind of Flag-like register?
08097BE8: BC10    pop     {r4}
08097BEA: BC01    pop     {r0}
08097BEC: 4700    bx      r0

;DATA
;============
;08097BEE: 0000    lsl     r0, r0, #0x0
;08097BF0: 9AA4    ldr     r2, [sp, #0x290]
;08097BF2: 0869    lsr     r1, r5, #0x1
;08097BF4: DE30    ???      
;08097BF6: 0202    lsl     r2, r0, #0x8
;08097BF8: 1F01    sub     r1, r0, #0x4
;08097BFA: 0000    lsl     r0, r0, #0x0

$08097BFC - Load Title Screen (Game Title) Graphic Data

08097BFC: B510    push    {r4, lr}
08097BFE: 4C23    ldr     r4, =#0x08699AA4
08097C00: 1C20    add     r0, r4, #0x0			; Setup Address Table address in r0
08097C02: 2100    mov     r1, #0x00			; Address Table entry number to load
08097C04: F026    bl       
08097C06: FB94    bl      0x080BE330			; Load address from Address Table (The "MAGICAL VACATION" logo)
08097C08: 4921    ldr     r1, =#0x06010000
08097C0A: F027    bl       
08097C0C: FED3    bl      0x080BF9B4			; swi LZ77UnCompVram

08097C0E: 1C20    add     r0, r4, #0x0			; Restore Address Table address
08097C10: 2101    mov     r1, #0x01			; Address Table entry number to load
08097C12: F026    bl       
08097C14: FB8D    bl      0x080BE330			; Load address from Address Table (Title Screen Menu "Plates" 1/2)
08097C16: 491F    ldr     r1, =#0x06012000
08097C18: F027    bl       
08097C1A: FECC    bl      0x080BF9B4			; swi LZ77UnCompVram

08097C1C: 1C20    add     r0, r4, #0x0			; Restore Address Table address
08097C1E: 2102    mov     r1, #0x02			; Address Table entry number to load
08097C20: F026    bl       
08097C22: FB86    bl      0x080BE330			; Load address from Address Table (Title Screen Menu "Plates" 2/2)
08097C24: 491C    ldr     r1, =#0x06015000
08097C26: F027    bl       
08097C28: FEC5    bl      0x080BF9B4			; swi LZ77UnCompVram

08097C2A: 1C20    add     r0, r4, #0x0			; Restore Address Table address
08097C2C: 2103    mov     r1, #0x03			; Address Table entry number to load
08097C2E: F026    bl       
08097C30: FB7F    bl      0x080BE330			; Load address from Address Table (Color Data)
08097C32: 2110    mov     r1, #0x10			; Start Color Transfer at Palette #$10
08097C34: 2260    mov     r2, #0x60			; Transfer #$60 bytes (3 Palettes)
08097C36: F004    bl       
08097C38: FE1F    bl      0x0809C878			; DMA to Palette RAM Buffer

08097C3A: 1C20    add     r0, r4, #0x0			; Restore Address Table address
08097C3C: 2104    mov     r1, #0x04			; Address Table entry number to load
08097C3E: F026    bl       
08097C40: FB77    bl      0x080BE330			; Load address from Address Table (Don't know which data)
08097C42: 4916    ldr     r1, =#0x06016000
08097C44: F027    bl       
08097C46: FEB6    bl      0x080BF9B4			; swi LZ77UnCompVram

08097C48: 1C20    add     r0, r4, #0x0			; Restore Address Table address
08097C4A: 2105    mov     r1, #0x05			; Address Table entry number to load
08097C4C: F026    bl       
08097C4E: FB70    bl      0x080BE330			; Load address from Address Table (Color Data)
08097C50: 2113    mov     r1, #0x13			; Start Color Transfer at Palette #$13
08097C52: 2220    mov     r2, #0x20			; Transfer #$20 bytes (1 Palette)
08097C54: F004    bl       
08097C56: FE10    bl      0x0809C878			; DMA to Palette RAM Buffer

08097C58: 4911    ldr     r1, =#0x040000D4
08097C5A: 4812    ldr     r0, =#0x0861394C
08097C5C: 6008    str     r0, [r1]			; DMA Source Address: $0861394C
08097C5E: 4812    ldr     r0, =#0x06014F80
08097C60: 6048    str     r0, [r1, #0x04]		; DMA Destination Address: $06014F80
08097C62: 4812    ldr     r0, =#0x80000040
08097C64: 6088    str     r0, [r1, #0x08]		; Transfer #$40 Doublebytes, start DMA
08097C66: 6888    ldr     r0, [r1, #0x08]
08097C68: 6888    ldr     r0, [r1, #0x08]
08097C6A: 2280    mov     r2, #0x80
08097C6C: 0612    lsl     r2, r2, #0x18			; AND-Mask for DMA Enable Bit
08097C6E: 2800    cmp     r0, #0x00
08097C70: DA03    bge     0x08097C7A			; Branch if DMA is completed

08097C72: 6888    ldr     r0, [r1, #0x08]
08097C74: 4010    and     r0, r2
08097C76: 2800    cmp     r0, #0x00
08097C78: D1FB    bne     0x08097C72			; Loop if DMA is not completed

08097C7A: 480D    ldr     r0, =#0x086143EC		; Address of a Palette
08097C7C: 2114    mov     r1, #0x14			; Start Color Transfer at Palette #$14
08097C7E: 2220    mov     r2, #0x20			; Transfer #$20 bytes (1 Palette)
08097C80: F004    bl       
08097C82: FDFA    bl      0x0809C878			; DMA to Palette RAM Buffer

08097C84: BC10    pop     {r4}
08097C86: BC01    pop     {r0}
08097C88: 4700    bx      r0

;DATA
;=============
;08097C8A: 0000    lsl     r0, r0, #0x0
;08097C8C: 9AA4    ldr     r2, [sp, #0x290]
;08097C8E: 0869    lsr     r1, r5, #0x1
;08097C90: 0000    lsl     r0, r0, #0x0
;08097C92: 0601    lsl     r1, r0, #0x18
;08097C94: 2000    mov     r0, #0x00
;08097C96: 0601    lsl     r1, r0, #0x18
;08097C98: 5000    str     r0, [r0, r0]
;08097C9A: 0601    lsl     r1, r0, #0x18
;08097C9C: 6000    str     r0, [r0]
;08097C9E: 0601    lsl     r1, r0, #0x18
;08097CA0: 00D4    lsl     r4, r2, #0x3
;08097CA2: 0400    lsl     r0, r0, #0x10
;08097CA4: 394C    sub     r1, #0x4C
;08097CA6: 0861    lsr     r1, r4, #0x1
;08097CA8: 4F80    ldr     r7, =#0x0C000400
;08097CAA: 0601    lsl     r1, r0, #0x18
;08097CAC: 0040    lsl     r0, r0, #0x1
;08097CAE: 8000    strh    r0, [r0]
;08097CB0: 43EC    mvn     r4, r5
;08097CB2: 0861    lsr     r1, r4, #0x1

$08097CB4 - Load scrolled Title Screen Tilemap

r0 contains the number of rows the Title Screen has to scroll down.

After this, a flag gets set.

08097CB4: B510    push    {r4, lr}

08097CB6: 1C04    add     r4, r0, #0x0
08097CB8: 0424    lsl     r4, r4, #0x10
08097CBA: 0C24    lsr     r4, r4, #0x10		; Transfer value from r0 to r4 and remove upper doublebyte
08097CBC: 480A    ldr     r0, =#0x08699AA4
08097CBE: 2108    mov     r1, #0x08
08097CC0: F026    bl       
08097CC2: FB36    bl      0x080BE330			; Load address of the Title Tilemap
08097CC4: 0121    lsl     r1, r4, #0x4
08097CC6: 1B09    sub     r1, r1, r4
08097CC8: 0089    lsl     r1, r1, #0x2			; r1 = Thirty times Orig. r0
08097CCA: 1840    add     r0, r0, r1			; Add ti the Tilemap address (shifts the start point of the tilemap address Orig.-r0-lines down)
08097CCC: 2101    mov     r1, #0x01			; Screenfilling Tilemap builder Destination: BG1
08097CCE: 2200    mov     r2, #0x00			; No addition to the tilemap entries
08097CD0: F000    bl       
08097CD2: FA9C    bl      0x0809820C			; Screenfilling Tilemap builder
08097CD4: 4805    ldr     r0, =#0x0202DE30
08097CD6: 6840    ldr     r0, [r0, #0x04]
08097CD8: 4905    ldr     r1, =#0x00001F01
08097CDA: 1840    add     r0, r0, r1			; r0 = #$0203E9D1 (flag register)
08097CDC: 7801    ldrb    r1, [r0]
08097CDE: 2101    mov     r1, #0x01
08097CE0: 7001    strb    r1, [r0]

08097CE2: BC10    pop     {r4}
08097CE4: BC01    pop     {r0}
08097CE6: 4700    bx      r0

;08097CE8: 9AA4    ldr     r2, [sp, #0x290]
;08097CEA: 0869    lsr     r1, r5, #0x1
;08097CEC: DE30    ???      
;08097CEE: 0202    lsl     r2, r0, #0x8
;08097CF0: 1F01    sub     r1, r0, #0x4
;08097CF2: 0000    lsl     r0, r0, #0x0

$08097CF4 - ?

r0 contains a value for the DAta Table at $086A55E8 which contains the Tiles and Palettes for the Background Images for the Story Demo. Th

08097CF4: B530    push    {r4, r5, lr}

08097CF6: 1C01    add     r1, r0, #0x0
08097CF8: 0449    lsl     r1, r1, #0x11
08097CFA: 0C09    lsr     r1, r1, #0x10		; r1 = Orig. r0 * 2 AND #$0000FFFF
08097CFC: 2401    mov     r4, #0x01
08097CFE: 430C    orr     r4, r1			; r1 = Orig. r0 * 2 AND #$0000FFFF + 1
08097D00: 4D0F    ldr     r5, =#0x086A55E8
08097D02: 1C28    add     r0, r5, #0x0			; r0 = #$086A55E8 (Data Table address)
08097D04: F026    bl       
08097D06: FB14    bl      0x080BE330			; Load address of the Tiles from Address Table at $086A55E8
08097D08: 21C0    mov     r1, #0xC0
08097D0A: 04C9    lsl     r1, r1, #0x13		; r1 = #$06000000 (VRAM)
08097D0C: F027    bl       
08097D0E: FE52    bl      0x080BF9B4			; swi LZ77UnCompVram - Decompress and put it in VRAM at #$06000000
08097D10: 1C28    add     r0, r5, #0x0			; r0 = #$086A55E8 (same Data Table again)
08097D12: 1C21    add     r1, r4, #0x0			; r1 = Orig. r0 * 2 + 1 (Palette Entry)
08097D14: F026    bl       
08097D16: FB0C    bl      0x080BE330			; Load address of the Palette from Address Table at $086A55E8
08097D18: 2280    mov     r2, #0x80
08097D1A: 0092    lsl     r2, r2, #0x2			; r2 = #$0200	Transfer #$10 Palettes (Whole Palette RAM)
08097D1C: 2100    mov     r1, #0x00			; r1 = #$00	Start at Palette #$00
08097D1E: F004    bl       
08097D20: FDAB    bl      0x0809C878			; Transfer Palettes in Palette RAM
08097D22: 2001    mov     r0, #0x01
08097D24: 2100    mov     r1, #0x00
08097D26: F000    bl       
08097D28: FA91    bl      0x0809824C
08097D2A: 4806    ldr     r0, =#0x0202DE30
08097D2C: 6840    ldr     r0, [r0, #0x04]
08097D2E: 4906    ldr     r1, =#0x00001F01
08097D30: 1840    add     r0, r0, r1
08097D32: 7801    ldrb    r1, [r0]			; (Set some Flag in $0202FD31)
08097D34: 2101    mov     r1, #0x01
08097D36: 7001    strb    r1, [r0]			; ????

08097D38: BC30    pop     {r4, r5}
08097D3A: BC01    pop     {r0}
08097D3C: 4700    bx      r0

;08097D3E: 0000    lsl     r0, r0, #0x0
;08097D40: 55E8    strb    r0, [r5, r7]
;08097D42: 086A    lsr     r2, r5, #0x1
;08097D44: DE30    ???      
;08097D46: 0202    lsl     r2, r0, #0x8
;08097D48: 1F01    sub     r1, r0, #0x4
;08097D4A: 0000    lsl     r0, r0, #0x0

$08097D4C - ?

Loads Graphic Data.

08097D4C: B5F0    push    {r4, r5, r6, r7, lr}
08097D4E: B081    add     sp, #-0x004

08097D50: 1C05    add     r5, r0, #0x0
08097D52: 042D    lsl     r5, r5, #0x10
08097D54: 0C2D    lsr     r5, r5, #0x10			; r5 = Original r0 AND #$0000FFFF
08097D56: 006C    lsl     r4, r5, #0x1
08097D58: 1964    add     r4, r4, r5
08097D5A: 0424    lsl     r4, r4, #0x10			; r4 = Original r0 * #$30000
08097D5C: 2080    mov     r0, #0x80
08097D5E: 0240    lsl     r0, r0, #0x9				; r0 = #$00010000
08097D60: 1826    add     r6, r4, r0
08097D62: 0C36    lsr     r6, r6, #0x10			; r6 = Original r0 * 3 + 1
08097D64: 0C21    lsr     r1, r4, #0x10			; r1 = Original r0 * 3
08097D66: 2080    mov     r0, #0x80
08097D68: 0280    lsl     r0, r0, #0xA				; r0 = #$00020000
08097D6A: 1824    add     r4, r4, r0
08097D6C: 0C24    lsr     r4, r4, #0x10			; r4 = Original r0 * 3 + 2
08097D6E: 4F28    ldr     r7, =#0x086D0A5C			; Graphics Table address: #$086D0A5C
08097D70: 1C38    add     r0, r7, #0x0
08097D72: F026    bl       
08097D74: FADD    bl      0x080BE330				; Load Address from Address Table
08097D76: 1C02    add     r2, r0, #0x0
08097D78: 21C0    mov     r1, #0xC0
08097D7A: 04C9    lsl     r1, r1, #0x13
08097D7C: F027    bl       
08097D7E: FE1A    bl      0x080BF9B4

08097D80: 1C38    add     r0, r7, #0x0				; Graphics Table address: #$086D0A5C
08097D82: 1C31    add     r1, r6, #0x0
08097D84: F026    bl       
08097D86: FAD4    bl      0x080BE330				; Load Address from Address Table
08097D88: 2280    mov     r2, #0x80
08097D8A: 0092    lsl     r2, r2, #0x2				; Transfer #$200 Bytes (whole Palette RAM)
08097D8C: 2100    mov     r1, #0x00				; Start at Palette 0
08097D8E: F004    bl       
08097D90: FD73    bl      0x0809C878				; Transfer Data to Palette RAM Buffer

08097D92: 1C38    add     r0, r7, #0x0
08097D94: 1C21    add     r1, r4, #0x0
08097D96: F026    bl       
08097D98: FACB    bl      0x080BE330				; Load Address from Address Table
08097D9A: 2114    mov     r1, #0x14
08097D9C: 9100    str     r1, [sp]
08097D9E: 2102    mov     r1, #0x02
08097DA0: 2200    mov     r2, #0x00
08097DA2: 230E    mov     r3, #0x0E
08097DA4: F000    bl       
08097DA6: FA72    bl      0x0809828C
08097DA8: 2D00    cmp     r5, #0x00

08097DAA: D126    bne     0x08097DFA
08097DAC: 1C38    add     r0, r7, #0x0
08097DAE: 2131    mov     r1, #0x31
08097DB0: F026    bl       
08097DB2: FABE    bl      0x080BE330				; Load Address from Address Table
08097DB4: 1C02    add     r2, r0, #0x0
08097DB6: 4D17    ldr     r5, =#0x06010000
08097DB8: 2400    mov     r4, #0x00
08097DBA: 4B17    ldr     r3, =#0x040000D4
08097DBC: 4E17    ldr     r6, =#0x80000040
08097DBE: 601A    str     r2, [r3]				; DMA Source Address: Table entry
08097DC0: 605D    str     r5, [r3, #0x04]			; DMA Destination Address: #$06010000 (VRAM)
08097DC2: 609E    str     r6, [r3, #0x08]			; Transfer #$40 Doublebytes
08097DC4: 6898    ldr     r0, [r3, #0x08]
08097DC6: 6898    ldr     r0, [r3, #0x08]
08097DC8: 2180    mov     r1, #0x80
08097DCA: 0609    lsl     r1, r1, #0x18
08097DCC: 3280    add     r2, #0x80
08097DCE: 3401    add     r4, #0x01
08097DD0: 2800    cmp     r0, #0x00
08097DD2: DA03    bge     0x08097DDC				; Branch if DMA is completed
08097DD4: 6898    ldr     r0, [r3, #0x08]
08097DD6: 4008    and     r0, r1
08097DD8: 2800    cmp     r0, #0x00
08097DDA: D1FB    bne     0x08097DD4				; Loop if DMA isn't completed

08097DDC: 2180    mov     r1, #0x80
08097DDE: 00C9    lsl     r1, r1, #0x3
08097DE0: 186D    add     r5, r5, r1
08097DE2: 0420    lsl     r0, r4, #0x10
08097DE4: 0C04    lsr     r4, r0, #0x10
08097DE6: 2C03    cmp     r4, #0x03
08097DE8: D9E9    bls     0x08097DBE
08097DEA: 1C38    add     r0, r7, #0x0
08097DEC: 2132    mov     r1, #0x32
08097DEE: F026    bl       
08097DF0: FA9F    bl      0x080BE330				; Load Address from Address Table
08097DF2: 2110    mov     r1, #0x10				; Transfer Data to Palette #$10
08097DF4: 2220    mov     r2, #0x20				; Transfer #$20 Bytes (one Palette)
08097DF6: F004    bl       
08097DF8: FD3F    bl      0x0809C878

08097DFA: 4809    ldr     r0, =#0x0202DE30
08097DFC: 6840    ldr     r0, [r0, #0x04]
08097DFE: 4909    ldr     r1, =#0x00001F02
08097E00: 1840    add     r0, r0, r1
08097E02: 7801    ldrb    r1, [r0]
08097E04: 2101    mov     r1, #0x01
08097E06: 7001    strb    r1, [r0]

08097E08: B001    add     sp, #0x004
08097E0A: BCF0    pop     {r4, r5, r6, r7}
08097E0C: BC01    pop     {r0}
08097E0E: 4700    bx      r0

;DATA
;=================
;08097E10: 0A5C    lsr     r4, r3, #0x9
;08097E12: 086D    lsr     r5, r5, #0x1
;08097E14: 0000    lsl     r0, r0, #0x0
;08097E16: 0601    lsl     r1, r0, #0x18
;08097E18: 00D4    lsl     r4, r2, #0x3
;08097E1A: 0400    lsl     r0, r0, #0x10
;08097E1C: 0040    lsl     r0, r0, #0x1
;08097E1E: 8000    strh    r0, [r0]
;08097E20: DE30    ???      
;08097E22: 0202    lsl     r2, r0, #0x8
;08097E24: 1F02    sub     r2, r0, #0x4
;08097E26: 0000    lsl     r0, r0, #0x0

$08097E28 - ?

08097E28: B5F0    push    {r4, r5, r6, r7, lr}
08097E2A: 4647    mov     r7, r8
08097E2C: B480    push    {r7}
08097E2E: 4C0C    ldr     r4, =#0xFFFF9FFC
08097E30: 44A5    add     sp, r4

08097E32: 0400    lsl     r0, r0, #0x10
08097E34: 0C05    lsr     r5, r0, #0x10
08097E36: 0409    lsl     r1, r1, #0x10
08097E38: 0C0F    lsr     r7, r1, #0x10
08097E3A: 00A8    lsl     r0, r5, #0x2
08097E3C: 1940    add     r0, r0, r5
08097E3E: 0080    lsl     r0, r0, #0x2
08097E40: 4908    ldr     r1, =#0x080C2624
08097E42: 1840    add     r0, r0, r1
08097E44: 4680    mov     r8, r0
08097E46: 2D01    cmp     r5, #0x01
08097E48: D12A    bne     0x08097EA0
08097E4A: 4807    ldr     r0, =#0x0202D7A0		; r0 = #$0202D7A0
08097E4C: 2290    mov     r2, #0x90
08097E4E: 0092    lsl     r2, r2, #0x2			; r2 = #$00000240
08097E50: 1881    add     r1, r0, r2			; r1 = #$0202D9E0
08097E52: 2300    mov     r3, #0x00
08097E54: 5EC9    ldsh    r1, [r1, r3]
08097E56: 1C05    add     r5, r0, #0x0
08097E58: 2901    cmp     r1, #0x01
08097E5A: D107    bne     0x08097E6C
08097E5C: 2606    mov     r6, #0x06
08097E5E: E006    b       0x08097E6E

;08097E60: 9FFC    ldr     r7, [sp, #0x3F0]
;08097E62: FFFF    bl      0x08094E62
;08097E64: 2624    mov     r6, #0x24
;08097E66: 080C    lsr     r4, r1, #0x0
;08097E68: D7A0    bvc     0x08097DAC
;08097E6A: 0202    lsl     r2, r0, #0x8

08097E6C: 260C    mov     r6, #0x0C
08097E6E: 4C0B    ldr     r4, =#0x080C26CC
08097E70: 4640    mov     r0, r8
08097E72: 8841    ldrh    r1, [r0, #0x02]
08097E74: 1C38    add     r0, r7, #0x0
08097E76: F028    bl       
08097E78: FC83    bl      0x080C0780
08097E7A: 0400    lsl     r0, r0, #0x10
08097E7C: 0C00    lsr     r0, r0, #0x10
08097E7E: 2290    mov     r2, #0x90
08097E80: 0092    lsl     r2, r2, #0x2
08097E82: 18A9    add     r1, r5, r2
08097E84: 2300    mov     r3, #0x00
08097E86: 5EC9    ldsh    r1, [r1, r3]
08097E88: 3901    sub     r1, #0x01
08097E8A: 00C9    lsl     r1, r1, #0x3
08097E8C: 1841    add     r1, r0, r1
08097E8E: 1909    add     r1, r1, r4
08097E90: 780C    ldrb    r4, [r1]
08097E92: 0040    lsl     r0, r0, #0x1
08097E94: 1830    add     r0, r6, r0
08097E96: 0400    lsl     r0, r0, #0x10
08097E98: 0C06    lsr     r6, r0, #0x10
08097E9A: E012    b       0x08097EC2

;08097E9C: 26CC    mov     r6, #0xCC
;08097E9E: 080C    lsr     r4, r1, #0x0

08097EA0: 4646    mov     r6, r8
08097EA2: 7C34    ldrb    r4, [r6, #0x10]
08097EA4: 8871    ldrh    r1, [r6, #0x02]
08097EA6: 1C38    add     r0, r7, #0x0
08097EA8: F028    bl       
08097EAA: FC6A    bl      0x080C0780
08097EAC: 0400    lsl     r0, r0, #0x10
08097EAE: 0C00    lsr     r0, r0, #0x10
08097EB0: 0041    lsl     r1, r0, #0x1
08097EB2: 1864    add     r4, r4, r1
08097EB4: 0424    lsl     r4, r4, #0x10
08097EB6: 0C26    lsr     r6, r4, #0x10
08097EB8: 4A34    ldr     r2, =#0x080C269C
08097EBA: 00E9    lsl     r1, r5, #0x3
08097EBC: 1840    add     r0, r0, r1
08097EBE: 1880    add     r0, r0, r2
08097EC0: 7804    ldrb    r4, [r0]
08097EC2: 4833    ldr     r0, =#0x086EFB10	; Table Address
08097EC4: 1C31    add     r1, r6, #0x0		; Entry Number to load
08097EC6: F026    bl       
08097EC8: FA33    bl      0x080BE330		; Load address from address table
08097ECA: 4669    mov     r1, sp
08097ECC: F027    bl       
08097ECE: FD74    bl      0x080BF9B8		; swi LZ77UnCompWram
08097ED0: 2001    mov     r0, #0x01
08097ED2: 4038    and     r0, r7
08097ED4: 2800    cmp     r0, #0x00
08097ED6: D10D    bne     0x08097EF4
08097ED8: 2200    mov     r2, #0x00
08097EDA: 4D2E    ldr     r5, =#0x80808080
08097EDC: 4B2E    ldr     r3, =#0x000017FF
08097EDE: 0090    lsl     r0, r2, #0x2
08097EE0: 466E    mov     r6, sp
08097EE2: 1831    add     r1, r6, r0
08097EE4: 6808    ldr     r0, [r1]
08097EE6: 4328    orr     r0, r5
08097EE8: 6008    str     r0, [r1]
08097EEA: 1C50    add     r0, r2, #0x1
08097EEC: 0400    lsl     r0, r0, #0x10
08097EEE: 0C02    lsr     r2, r0, #0x10
08097EF0: 429A    cmp     r2, r3
08097EF2: D9F4    bls     0x08097EDE

08097EF4: 4929    ldr     r1, =#0x040000D4		; Setup DMA
08097EF6: 4668    mov     r0, sp
08097EF8: 6008    str     r0, [r1]			; Source: Stack
08097EFA: 4A29    ldr     r2, =#0x0202DE30
08097EFC: 6E50    ldr     r0, [r2, #0x64]		; r0 = [$0202DE96]
08097EFE: 6800    ldr     r0, [r0]			; r0 = $0202DE96
08097F00: 6048    str     r0, [r1, #0x04]		; Destination
08097F02: 4828    ldr     r0, =#0x80003000
08097F04: 6088    str     r0, [r1, #0x08]		; Transfer #$3000 Double Bytes
08097F06: 6888    ldr     r0, [r1, #0x08]
08097F08: 6888    ldr     r0, [r1, #0x08]
08097F0A: 2380    mov     r3, #0x80
08097F0C: 061B    lsl     r3, r3, #0x18
08097F0E: 1C15    add     r5, r2, #0x0
08097F10: 2800    cmp     r0, #0x00
08097F12: DA04    bge     0x08097F1E			; Branch if DMA is completed

08097F14: 1C1A    add     r2, r3, #0x0
08097F16: 6888    ldr     r0, [r1, #0x08]
08097F18: 4010    and     r0, r2
08097F1A: 2800    cmp     r0, #0x00
08097F1C: D1FB    bne     0x08097F16			; Loop if DMA is not completed

08097F1E: 2001    mov     r0, #0x01
08097F20: 4038    and     r0, r7
08097F22: 2800    cmp     r0, #0x00
08097F24: D101    bne     0x08097F2A
08097F26: 2080    mov     r0, #0x80
08097F28: 4304    orr     r4, r0
08097F2A: 22C0    mov     r2, #0xC0
08097F2C: 01D2    lsl     r2, r2, #0x7
08097F2E: 446A    add     r2, sp
08097F30: 0220    lsl     r0, r4, #0x8
08097F32: 4304    orr     r4, r0
08097F34: 8014    strh    r4, [r2]

08097F36: 4919    ldr     r1, =#0x040000D4		; Setup fixed DMA
08097F38: 600A    str     r2, [r1]
08097F3A: 6E68    ldr     r0, [r5, #0x64]
08097F3C: 6800    ldr     r0, [r0]
08097F3E: 3840    sub     r0, #0x40
08097F40: 6048    str     r0, [r1, #0x04]
08097F42: 4819    ldr     r0, =#0x81000020		; Fixed Transfer, #$20 Double Bytes
08097F44: 6088    str     r0, [r1, #0x08]
08097F46: 6888    ldr     r0, [r1, #0x08]
08097F48: 6888    ldr     r0, [r1, #0x08]
08097F4A: 2280    mov     r2, #0x80
08097F4C: 0612    lsl     r2, r2, #0x18
08097F4E: 2800    cmp     r0, #0x00
08097F50: DA03    bge     0x08097F5A			; Branch if DMA is completed

08097F52: 6888    ldr     r0, [r1, #0x08]
08097F54: 4010    and     r0, r2
08097F56: 2800    cmp     r0, #0x00
08097F58: D1FB    bne     0x08097F52			; Loop if DMA is not completed

08097F5A: 6E69    ldr     r1, [r5, #0x64]
08097F5C: 7A88    ldrb    r0, [r1, #0x0A]
08097F5E: 8889    ldrh    r1, [r1, #0x04]
08097F60: 4643    mov     r3, r8
08097F62: 791A    ldrb    r2, [r3, #0x04]
08097F64: 795B    ldrb    r3, [r3, #0x05]
08097F66: F000    bl       
08097F68: F9D3    bl      0x08098310

08097F6A: 4810    ldr     r0, =#0x086A55E8	; Address Table address
08097F6C: 210B    mov     r1, #0x0B		; Number of Table Entry to load
08097F6E: F026    bl       
08097F70: F9DF    bl      0x080BE330		; Load address from address table
08097F72: 211F    mov     r1, #0x1F		; Number of the palette to replace (#$1F)
08097F74: 2220    mov     r2, #0x20		; Number of Bytes to transfer: #$20 (1 Palette)
08097F76: F004    bl       
08097F78: FC7F    bl      0x0809C878		; DMA to Palette RAM Buffer

08097F7A: 6E68    ldr     r0, [r5, #0x64]
08097F7C: 7A00    ldrb    r0, [r0, #0x08]
08097F7E: 2800    cmp     r0, #0x00
08097F80: D118    bne     0x08097FB4
08097F82: 6868    ldr     r0, [r5, #0x04]
08097F84: 4C0A    ldr     r4, =#0x00001F02
08097F86: 1900    add     r0, r0, r4
08097F88: E017    b       0x08097FBA

;DATA
;=========
;08097F8A: 0000    lsl     r0, r0, #0x0
;08097F8C: 269C    mov     r6, #0x9C
;08097F8E: 080C    lsr     r4, r1, #0x0
;08097F90: FB10    bl      0x080A45B2
;08097F92: 086E    lsr     r6, r5, #0x1
;08097F94: 8080    strh    r0, [r0, #0x04]
;08097F96: 8080    strh    r0, [r0, #0x04]
;08097F98: 17FF    asr     r7, r7, #0x1F
;08097F9A: 0000    lsl     r0, r0, #0x0
;08097F9C: 00D4    lsl     r4, r2, #0x3
;08097F9E: 0400    lsl     r0, r0, #0x10
;08097FA0: DE30    ???      
;08097FA2: 0202    lsl     r2, r0, #0x8
;08097FA4: 3000    add     r0, #0x00
;08097FA6: 8000    strh    r0, [r0]
;08097FA8: 0020    lsl     r0, r4, #0x0
;08097FAA: 8100    strh    r0, [r0, #0x08]
;08097FAC: 55E8    strb    r0, [r5, r7]
;08097FAE: 086A    lsr     r2, r5, #0x1
;08097FB0: 1F02    sub     r2, r0, #0x4
;08097FB2: 0000    lsl     r0, r0, #0x0

08097FB4: 6868    ldr     r0, [r5, #0x04]
08097FB6: 4E06    ldr     r6, =#0x00001F03
08097FB8: 1980    add     r0, r0, r6
08097FBA: 7801    ldrb    r1, [r0]
08097FBC: 2101    mov     r1, #0x01
08097FBE: 7001    strb    r1, [r0]

08097FC0: 4B04    ldr     r3, =#0x00006004		; Restore old Stack pointer
08097FC2: 449D    add     sp, r3
08097FC4: BC08    pop     {r3}
08097FC6: 4698    mov     r8, r3
08097FC8: BCF0    pop     {r4, r5, r6, r7}
08097FCA: BC01    pop     {r0}
08097FCC: 4700    bx      r0

;08097FCE: 0000    lsl     r0, r0, #0x0
;08097FD0: 1F03    sub     r3, r0, #0x4
;08097FD2: 0000    lsl     r0, r0, #0x0
;08097FD4: 6004    str     r4, [r0]
;08097FD6: 0000    lsl     r0, r0, #0x0

$08097FD8 - ?

08097FD8: B570    push    {r4, r5, r6, lr}
08097FDA: B081    add     sp, #-0x004

08097FDC: 0400    lsl     r0, r0, #0x10
08097FDE: 0C02    lsr     r2, r0, #0x10	; Remove upper Doublebyte
08097FE0: 0050    lsl     r0, r2, #0x1
08097FE2: 1880    add     r0, r0, r2
08097FE4: 0080    lsl     r0, r0, #0x2		; r0 = Original r0 multiplied by twelve (#12 / #$0C)

08097FE6: 490E    ldr     r1, =#0x080C26DC
08097FE8: 1846    add     r6, r0, r1
08097FEA: 2A06    cmp     r2, #0x06		; If Original r0 was not #$06, leave out the Palette Buffer clear
08097FEC: D120    bne     0x08098030

08097FEE: 4669    mov     r1, sp		; Clear whole Palette RAM Buffer
08097FF0: 2000    mov     r0, #0x00
08097FF2: 8008    strh    r0, [r1]		; Clear stack entry
08097FF4: 490B    ldr     r1, =#0x040000D4
08097FF6: 4668    mov     r0, sp
08097FF8: 6008    str     r0, [r1]		; Set cleared stack entry as DMA Source Address
08097FFA: 480B    ldr     r0, =#0x0202DE30
08097FFC: 6840    ldr     r0, [r0, #0x04]	; Load Buffers Offset, presumably $0203CAD0
08097FFE: 22CE    mov     r2, #0xCE
08098000: 0152    lsl     r2, r2, #0x5		; r2 = #$000019C0
08098002: 1880    add     r0, r0, r2		; r0 = Address of Palette RAM Buffer, presumably #$0203E490
08098004: 6048    str     r0, [r1, #0x04]	; Set Palette RAM Buffer as DMA Destination Address
08098006: 4809    ldr     r0, =#0x81000100
08098008: 6088    str     r0, [r1, #0x08]	; Fixed Transfer, #$100 Doublebytes (whole Palette RAM Buffer)
0809800A: 6888    ldr     r0, [r1, #0x08]
0809800C: 6888    ldr     r0, [r1, #0x08]
0809800E: 2280    mov     r2, #0x80
08098010: 0612    lsl     r2, r2, #0x18
08098012: 2800    cmp     r0, #0x00
08098014: DA2E    bge     0x08098074		; Branch if the DMA is completed

08098016: 6888    ldr     r0, [r1, #0x08]
08098018: 4010    and     r0, r2
0809801A: 2800    cmp     r0, #0x00
0809801C: D1FB    bne     0x08098016		; Loop if DMA is not completed
0809801E: E029    b       0x08098074

;08098020: 26DC    mov     r6, #0xDC
;08098022: 080C    lsr     r4, r1, #0x0
;08098024: 00D4    lsl     r4, r2, #0x3
;08098026: 0400    lsl     r0, r0, #0x10
;08098028: DE30    ???      
;0809802A: 0202    lsl     r2, r0, #0x8
;0809802C: 0100    lsl     r0, r0, #0x4
;0809802E: 8100    strh    r0, [r0, #0x08]

08098030: 0451    lsl     r1, r2, #0x11
08098032: 0C09    lsr     r1, r1, #0x10
08098034: 2401    mov     r4, #0x01
08098036: 430C    orr     r4, r1
08098038: 4D10    ldr     r5, =#0x08733BBC		; Address Table address
0809803A: 1C28    add     r0, r5, #0x0
0809803C: F026    bl       
0809803E: F978    bl      0x080BE330			; Load Address from Address Table
08098040: 21C0    mov     r1, #0xC0
08098042: 04C9    lsl     r1, r1, #0x13
08098044: F027    bl       
08098046: FCB6    bl      0x080BF9B4
08098048: 1C28    add     r0, r5, #0x0			; Restore Table address
0809804A: 1C21    add     r1, r4, #0x0
0809804C: F026    bl       
0809804E: F970    bl      0x080BE330			; Load Address from Address Table
08098050: 2280    mov     r2, #0x80
08098052: 0092    lsl     r2, r2, #0x2			; r2 = #$200 (Bytes to transfer = whole Palette RAM buffer)
08098054: 2100    mov     r1, #0x00			; Start at Palette #$00
08098056: F004    bl       
08098058: FC0F    bl      0x0809C878			; DMA to Palette RAM Buffer

0809805A: 7832    ldrb    r2, [r6]
0809805C: 7873    ldrb    r3, [r6, #0x01]
0809805E: 2001    mov     r0, #0x01
08098060: 2100    mov     r1, #0x00
08098062: F000    bl       
08098064: F955    bl      0x08098310
08098066: 4806    ldr     r0, =#0x0202DE30
08098068: 6840    ldr     r0, [r0, #0x04]
0809806A: 4906    ldr     r1, =#0x00001F01
0809806C: 1840    add     r0, r0, r1
0809806E: 7801    ldrb    r1, [r0]
08098070: 2101    mov     r1, #0x01
08098072: 7001    strb    r1, [r0]

08098074: B001    add     sp, #0x004
08098076: BC70    pop     {r4, r5, r6}
08098078: BC01    pop     {r0}
0809807A: 4700    bx      r0

;0809807C: 3BBC    sub     r3, #0xBC
;0809807E: 0873    lsr     r3, r6, #0x1
;08098080: DE30    ???      
;08098082: 0202    lsl     r2, r0, #0x8
;08098084: 1F01    sub     r1, r0, #0x4
;08098086: 0000    lsl     r0, r0, #0x0

$08098088 - ?

Some flexible Graphics Data Load

08098088: B570    push    {r4, r5, r6, lr}
0809808A: 4646    mov     r6, r8
0809808C: B440    push    {r6}
0809808E: B081    add     sp, #-0x004

08098090: 0409    lsl     r1, r1, #0x10
08098092: 0C09    lsr     r1, r1, #0x10
08098094: 004C    lsl     r4, r1, #0x1
08098096: 1864    add     r4, r4, r1		; r4 = Original r1 * 3
08098098: 00A0    lsl     r0, r4, #0x2		; r0 = Original r1 * #$0C (twelve)
0809809A: 4680    mov     r8, r0
0809809C: 481A    ldr     r0, =#0x080C2730
0809809E: 4480    add     r8, r0
080980A0: 0424    lsl     r4, r4, #0x10
080980A2: 2180    mov     r1, #0x80
080980A4: 0249    lsl     r1, r1, #0x9		; r1 = #$00010000
080980A6: 1865    add     r5, r4, r1		; "Increment"
080980A8: 0C2D    lsr     r5, r5, #0x10
080980AA: 0C21    lsr     r1, r4, #0x10
080980AC: 2280    mov     r2, #0x80
080980AE: 0292    lsl     r2, r2, #0xA		; r2 = #$00020000
080980B0: 18A4    add     r4, r4, r2
080980B2: 0C24    lsr     r4, r4, #0x10
080980B4: 4E15    ldr     r6, =#0x0877BA3C	; Address Table address
080980B6: 1C30    add     r0, r6, #0x0
080980B8: F026    bl       
080980BA: F93A    bl      0x080BE330		; Load Address from Address Table
080980BC: 21C0    mov     r1, #0xC0
080980BE: 04C9    lsl     r1, r1, #0x13
080980C0: F027    bl       
080980C2: FC78    bl      0x080BF9B4

080980C4: 1C30    add     r0, r6, #0x0		; Restore Table address
080980C6: 1C29    add     r1, r5, #0x0
080980C8: F026    bl       
080980CA: F932    bl      0x080BE330		; Load Address from Address Table
080980CC: 2280    mov     r2, #0x80
080980CE: 0092    lsl     r2, r2, #0x2		; Transfer #$200 Byte (whole Palette RAM Buffer)
080980D0: 2100    mov     r1, #0x00		; Start at Palette #$00
080980D2: F004    bl       
080980D4: FBD1    bl      0x0809C878		; DMA to Palette RAM Buffer

080980D6: 1C30    add     r0, r6, #0x0		; Restore Table address
080980D8: 1C21    add     r1, r4, #0x0
080980DA: F026    bl       
080980DC: F929    bl      0x080BE330		; Load Address from Address Table
080980DE: 4641    mov     r1, r8
080980E0: 780B    ldrb    r3, [r1]
080980E2: 7849    ldrb    r1, [r1, #0x01]
080980E4: 9100    str     r1, [sp]
080980E6: 2101    mov     r1, #0x01
080980E8: 2200    mov     r2, #0x00
080980EA: F000    bl       
080980EC: F94D    bl      0x08098388

080980EE: 4808    ldr     r0, =#0x0202DE30
080980F0: 6840    ldr     r0, [r0, #0x04]
080980F2: 4A08    ldr     r2, =#0x00001F01
080980F4: 1880    add     r0, r0, r2
080980F6: 7801    ldrb    r1, [r0]
080980F8: 2101    mov     r1, #0x01
080980FA: 7001    strb    r1, [r0]

080980FC: B001    add     sp, #0x004
080980FE: BC08    pop     {r3}
08098100: 4698    mov     r8, r3
08098102: BC70    pop     {r4, r5, r6}
08098104: BC01    pop     {r0}
08098106: 4700    bx      r0

;08098108: 2730    mov     r7, #0x30
;0809810A: 080C    lsr     r4, r1, #0x0
;0809810C: BA3C    pop     {r2, r3, r4, r5}
;0809810E: 0877    lsr     r7, r6, #0x1
;08098110: DE30    ???      
;08098112: 0202    lsl     r2, r0, #0x8
;08098114: 1F01    sub     r1, r0, #0x4
;08098116: 0000    lsl     r0, r0, #0x0

$08098118 - ?

08098118: B530    push    {r4, r5, lr}

0809811A: 1C04    add     r4, r0, #0x0
0809811C: 0424    lsl     r4, r4, #0x10
0809811E: 0409    lsl     r1, r1, #0x10
08098120: 0AA4    lsr     r4, r4, #0xA		; r4 = Original r0 * #$40
08098122: 0B09    lsr     r1, r1, #0xC		; r1 = Original r1 * #$10 
08098124: 4811    ldr     r0, =#0x080C27E4
08098126: 1809    add     r1, r1, r0
08098128: 1864    add     r4, r4, r1
0809812A: 4D11    ldr     r5, =#0x08733BBC	; Address Table address
0809812C: 78A1    ldrb    r1, [r4, #0x02]
0809812E: 1C28    add     r0, r5, #0x0
08098130: F026    bl       
08098132: F8FE    bl      0x080BE330		; Load Address from Address Table
08098134: 21C0    mov     r1, #0xC0
08098136: 04C9    lsl     r1, r1, #0x13
08098138: F027    bl       
0809813A: FC3C    bl      0x080BF9B4

0809813C: 78E1    ldrb    r1, [r4, #0x03]
0809813E: 1C28    add     r0, r5, #0x0		; Restore Table address
08098140: F026    bl       
08098142: F8F6    bl      0x080BE330		; Load Palette Address from Address Table
08098144: 2100    mov     r1, #0x00		; Palette Number to begin (#$00)
08098146: 2220    mov     r2, #0x20		; Number of Bytes to transfer: #$20 (1 Palette)
08098148: F004    bl       
0809814A: FB96    bl      0x0809C878		; DMA to Palette RAM Buffer

0809814C: 7822    ldrb    r2, [r4]
0809814E: 7863    ldrb    r3, [r4, #0x01]
08098150: 2001    mov     r0, #0x01
08098152: 2100    mov     r1, #0x00
08098154: F000    bl       
08098156: F8DC    bl      0x08098310
08098158: 4806    ldr     r0, =#0x0202DE30
0809815A: 6840    ldr     r0, [r0, #0x04]
0809815C: 4906    ldr     r1, =#0x00001F01
0809815E: 1840    add     r0, r0, r1
08098160: 7801    ldrb    r1, [r0]
08098162: 2101    mov     r1, #0x01
08098164: 7001    strb    r1, [r0]

08098166: BC30    pop     {r4, r5}
08098168: BC01    pop     {r0}
0809816A: 4700    bx      r0

;0809816C: 27E4    mov     r7, #0xE4
;0809816E: 080C    lsr     r4, r1, #0x0
;08098170: 3BBC    sub     r3, #0xBC
;08098172: 0873    lsr     r3, r6, #0x1
;08098174: DE30    ???      
;08098176: 0202    lsl     r2, r0, #0x8
;08098178: 1F01    sub     r1, r0, #0x4
;0809817A: 0000    lsl     r0, r0, #0x0

$0809817C - ?

0809817C: B570    push    {r4, r5, r6, lr}

0809817E: 1C04    add     r4, r0, #0x0
08098180: 0424    lsl     r4, r4, #0x10
08098182: 0BE4    lsr     r4, r4, #0xF
08098184: 1C21    add     r1, r4, #0x0
08098186: 3128    add     r1, #0x28
08098188: 0409    lsl     r1, r1, #0x10
0809818A: 0C09    lsr     r1, r1, #0x10		; Table Entry number
0809818C: 3429    add     r4, #0x29
0809818E: 0424    lsl     r4, r4, #0x10
08098190: 0C24    lsr     r4, r4, #0x10
08098192: 4D19    ldr     r5, =#0x08733BBC		; Address Table address
08098194: 1C28    add     r0, r5, #0x0
08098196: F026    bl       
08098198: F8CB    bl      0x080BE330			; Load Adress from Address Table
0809819A: 21C0    mov     r1, #0xC0
0809819C: 04C9    lsl     r1, r1, #0x13
0809819E: F027    bl       
080981A0: FC09    bl      0x080BF9B4

080981A2: 1C28    add     r0, r5, #0x0			; Restore Table address
080981A4: 1C21    add     r1, r4, #0x0
080981A6: F026    bl       
080981A8: F8C3    bl      0x080BE330			; Load Adress from Address Table
080981AA: 2280    mov     r2, #0x80
080981AC: 0092    lsl     r2, r2, #0x2			; Transfer #$200 Bytes
080981AE: 2100    mov     r1, #0x00			; Start at Palette #$00
080981B0: F004    bl       
080981B2: FB62    bl      0x0809C878			; DMA to Palette RAM Buffer
080981B4: 2001    mov     r0, #0x01
080981B6: 2100    mov     r1, #0x00
080981B8: 221E    mov     r2, #0x1E
080981BA: 230F    mov     r3, #0x0F
080981BC: F000    bl       
080981BE: F924    bl      0x08098408

080981C0: 1C28    add     r0, r5, #0x0			; Restore Table address
080981C2: 212C    mov     r1, #0x2C
080981C4: F026    bl       
080981C6: F8B4    bl      0x080BE330			; Load Adress from Address Table
080981C8: 490C    ldr     r1, =#0x06010000
080981CA: F027    bl       
080981CC: FBF3    bl      0x080BF9B4

080981CE: 4E0C    ldr     r6, =#0x0202DE30
080981D0: 480C    ldr     r0, =#0x0000489E
080981D2: 1835    add     r5, r6, r0
080981D4: 782C    ldrb    r4, [r5]
080981D6: 201E    mov     r0, #0x1E
080981D8: 8028    strh    r0, [r5]

080981DA: F004    bl       
080981DC: FB1D    bl      0x0809C818
080981DE: 0624    lsl     r4, r4, #0x18
080981E0: 1624    asr     r4, r4, #0x18
080981E2: 802C    strh    r4, [r5]
080981E4: 6870    ldr     r0, [r6, #0x04]
080981E6: 4908    ldr     r1, =#0x00001F01
080981E8: 1840    add     r0, r0, r1
080981EA: 7801    ldrb    r1, [r0]
080981EC: 2101    mov     r1, #0x01
080981EE: 7001    strb    r1, [r0]

080981F0: BC70    pop     {r4, r5, r6}
080981F2: BC01    pop     {r0}
080981F4: 4700    bx      r0

;080981F6: 0000    lsl     r0, r0, #0x0
;080981F8: 3BBC    sub     r3, #0xBC
;080981FA: 0873    lsr     r3, r6, #0x1
;080981FC: 0000    lsl     r0, r0, #0x0
;080981FE: 0601    lsl     r1, r0, #0x18
;08098200: DE30    ???      
;08098202: 0202    lsl     r2, r0, #0x8
;08098204: 489E    ldr     r0, =#0x4700BC01
;08098206: 0000    lsl     r0, r0, #0x0
;08098208: 1F01    sub     r1, r0, #0x4
;0809820A: 0000    lsl     r0, r0, #0x0

$0809820C - Screenfilling Tilemap Builder

This is a Tile Map builder. It builds a tilemap sized #$1E*#$15 Tiles = 30 * 21 Tiles (for 8px-Tiles, this is 240*168px; GBA has resolution: 240×160px)

r0 contains the Data Load address.

r1 contains a value (valid between #$00 and #$03) for the Data Store address; it's the number of the BG the data is for.

r2 contains an double byte that gets added to each tile (like, set all the tiles to a certain palette)


0809820C: B530    push    {r4, r5, lr}

0809820E: 1C04    add     r4, r0, #0x0		; Transfer Data Load address in r4
08098210: 1C08    add     r0, r1, #0x0
08098212: 0400    lsl     r0, r0, #0x10
08098214: 0C00    lsr     r0, r0, #0x10		; Transfer the Destination-BG-Number from r1 in r0 and remove Upper Double Byte
08098216: 0412    lsl     r2, r2, #0x10
08098218: 0C15    lsr     r5, r2, #0x10		; Remove upper Double Byte from Addition value, store it in r5
0809821A: 2100    mov     r1, #0x00		; For Start Point calculation: Start at Tilemap's X = 0
0809821C: 2200    mov     r2, #0x00		; For Start Point calculation: Start at Tilemap's Y = 0
0809821E: F004    bl       
08098220: F8A5    bl      0x0809C36C		; Calculate BG's Tilemap Buffer's Start Point to store Data there
08098222: 1C01    add     r1, r0, #0x0		; Transfer Data Store address in r1
08098224: 2000    mov     r0, #0x00
08098226: 2200    mov     r2, #0x00		; Setup Inner Loop Counter
08098228: 1C43    add     r3, r0, #0x1		; Setup/Increment Outer Loop Counter
0809822A: 8820    ldrh    r0, [r4]		; Load Data
0809822C: 1828    add     r0, r5, r0		; Add r5 to Data
0809822E: 8008    strh    r0, [r1]		; Store Data
08098230: 1C50    add     r0, r2, #0x1		; Increment Loop Counter
08098232: 0400    lsl     r0, r0, #0x10
08098234: 0C02    lsr     r2, r0, #0x10		; Remove Loop Counter's Upper Double Byte
08098236: 3402    add     r4, #0x02		; Increment Data Store Address
08098238: 3102    add     r1, #0x02		; Increment Data Load Address
0809823A: 2A1D    cmp     r2, #0x1D
0809823C: D9F5    bls     0x0809822A		; Loop if r2 hasn't SURPASSED #$1D
0809823E: 0418    lsl     r0, r3, #0x10		; Remove Loop Counter's Upper Double Byte
08098240: 0C00    lsr     r0, r0, #0x10
08098242: 2814    cmp     r0, #0x14
08098244: D9EF    bls     0x08098226		; Loop if r0/3 hasn't SURPASSED #$14

08098246: BC30    pop     {r4, r5}
08098248: BC01    pop     {r0}
0809824A: 4700    bx      r0

$0809824C - Screenfilling upcounted Tilemap Builder

This builds a Tilemap. The Tilemap consists of values that increment per Tile. This always starts at the first Tile of a Tilemap and creates a #$1E*#$14 Tilemap. With 8px-Tiles, this is exactly screenfilling.

r0 contains the number of the Destination BG.

r1 contains the value the first Tile should start with (gets transferred in r4).

0809824C: B510    push    {r4, lr}

0809824E: 1C0C    add     r4, r1, #0x0
08098250: 0400    lsl     r0, r0, #0x10
08098252: 0C00    lsr     r0, r0, #0x10
08098254: 0424    lsl     r4, r4, #0x10
08098256: 0C24    lsr     r4, r4, #0x10
08098258: 2100    mov     r1, #0x00		; For Start Point calculation: Start at Tilemap's X = 0
0809825A: 2200    mov     r2, #0x00		; For Start Point calculation: Start at Tilemap's Y = 0
0809825C: F004    bl       
0809825E: F886    bl      0x0809C36C		; Calculate BG's Tilemap Buffer's Start Point to store Data there
08098260: 1C01    add     r1, r0, #0x0		; Transfer Data Store address in r1
08098262: 2000    mov     r0, #0x00
08098264: 2200    mov     r2, #0x00		; Setup Inner Loop Counter
08098266: 1C43    add     r3, r0, #0x1		; Setup/Increment Outer Loop Counter
08098268: 800C    strh    r4, [r1]
0809826A: 1C50    add     r0, r2, #0x1		; Increment Inner Loop Counter
0809826C: 0400    lsl     r0, r0, #0x10
0809826E: 0C02    lsr     r2, r0, #0x10	; Remove upper Double Byte from Inner Loop Counter, store back in r2
08098270: 1C60    add     r0, r4, #0x1
08098272: 0400    lsl     r0, r0, #0x10
08098274: 0C04    lsr     r4, r0, #0x10	; Increment Value for the next Tile, remove Upper Double Byte
08098276: 3102    add     r1, #0x02
08098278: 2A1D    cmp     r2, #0x1D		; Has Inner Loop Counter reached #$1D?
0809827A: D9F5    bls     0x08098268
0809827C: 0418    lsl     r0, r3, #0x10	; Remove upper Double Byte from Outer Loop Counter
0809827E: 0C00    lsr     r0, r0, #0x10
08098280: 2813    cmp     r0, #0x13		; Has Outer Loop Counter reached #$13?
08098282: D9EF    bls     0x08098264		; If not, loop, increment Outer Loop Counter and reset Inner Loop Counter

08098284: BC10    pop     {r4}
08098286: BC01    pop     {r0}
08098288: 4700    bx      r0

;0809828A: 0000    lsl     r0, r0, #0x0

$0809828C - ?

r0 to r3 contain values for this subroutine

r0 contains some kind of loop counter value; seems to get incremented(!), loop is left on r0 = #$00

r1 contains a BG Tilemap number

0809828C: B5F0    push    {r4, r5, r6, r7, lr}
0809828E: 4647    mov     r7, r8
08098290: B480    push    {r7}

08098292: 1C05    add     r5, r0, #0x0			; r5 = r0
08098294: 1C0C    add     r4, r1, #0x0			; r4 = r1
08098296: 9806    ldr     r0, [sp, #0x018]		; Original... r4, I guess?
08098298: 0424    lsl     r4, r4, #0x10
0809829A: 0C24    lsr     r4, r4, #0x10			; r4 = Original r1 AND #$0000FFFF
0809829C: 0412    lsl     r2, r2, #0x10
0809829E: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080982A0: 4690    mov     r8, r2			; r8 = r2
080982A2: 041B    lsl     r3, r3, #0x10
080982A4: 0C1E    lsr     r6, r3, #0x10			; r6 = r3 AND #$0000FFFF
080982A6: 0400    lsl     r0, r0, #0x10
080982A8: 0C07    lsr     r7, r0, #0x10			; r7 = r0 AND #$0000FFFF
080982AA: 2000    mov     r0, #0x00
080982AC: 1C21    add     r1, r4, #0x0			; r1 = r4
080982AE: 2200    mov     r2, #0x00
080982B0: F003    bl       
080982B2: FFD0    bl      0x0809C254
080982B4: 1C20    add     r0, r4, #0x0				; r0 = BG Tilemap Number
080982B6: 2100    mov     r1, #0x00				; X-coordinate
080982B8: 2200    mov     r2, #0x00				; Y-coordinate
080982BA: F004    bl       
080982BC: F857    bl      0x0809C36C				; Subroutine: Calculate address of a tile ($0202DE34)
080982BE: 1C02    add     r2, r0, #0x0				; r2 = The start point of the BG Tilemap
080982C0: 201E    mov     r0, #0x1E
080982C2: 1B80    sub     r0, r0, r6				; r0 = r0 - Original r3
080982C4: 0FC1    lsr     r1, r0, #0x1F			; If r6 > #$1E, r1 = #$01, else r1 = #$00
080982C6: 1840    add     r0, r0, r1
080982C8: 03C0    lsl     r0, r0, #0xF
080982CA: 0C04    lsr     r4, r0, #0x10
080982CC: 2000    mov     r0, #0x00
080982CE: 42B8    cmp     r0, r7
080982D0: D218    bcs     0x08098304
080982D2: 1931    add     r1, r6, r4
080982D4: 468C    mov     r12, r1
080982D6: 1912    add     r2, r2, r4
080982D8: 2100    mov     r1, #0x00
080982DA: 1C43    add     r3, r0, #0x1
080982DC: 42B1    cmp     r1, r6
080982DE: D209    bcs     0x080982F4
080982E0: 7828    ldrb    r0, [r5]
080982E2: 4440    add     r0, r8
080982E4: 7010    strb    r0, [r2]
080982E6: 1C48    add     r0, r1, #0x1
080982E8: 0400    lsl     r0, r0, #0x10
080982EA: 0C01    lsr     r1, r0, #0x10
080982EC: 3501    add     r5, #0x01
080982EE: 3201    add     r2, #0x01
080982F0: 42B1    cmp     r1, r6
080982F2: D3F5    bcc     0x080982E0
080982F4: 1C10    add     r0, r2, #0x0
080982F6: 301E    add     r0, #0x1E
080982F8: 4661    mov     r1, r12
080982FA: 1A42    sub     r2, r0, r1
080982FC: 0418    lsl     r0, r3, #0x10
080982FE: 0C00    lsr     r0, r0, #0x10
08098300: 42B8    cmp     r0, r7
08098302: D3E8    bcc     0x080982D6

08098304: BC08    pop     {r3}
08098306: 4698    mov     r8, r3
08098308: BCF0    pop     {r4, r5, r6, r7}
0809830A: BC01    pop     {r0}
0809830C: 4700    bx      r0
;0809830E: 0000    lsl     r0, r0, #0x0

$08098310 - ?

08098310: B5F0    push    {r4, r5, r6, r7, lr}

08098312: 1C04    add     r4, r0, #0x0
08098314: 1C0D    add     r5, r1, #0x0
08098316: 0424    lsl     r4, r4, #0x10
08098318: 0C24    lsr     r4, r4, #0x10
0809831A: 042D    lsl     r5, r5, #0x10
0809831C: 0C2D    lsr     r5, r5, #0x10
0809831E: 0412    lsl     r2, r2, #0x10
08098320: 0C16    lsr     r6, r2, #0x10
08098322: 041B    lsl     r3, r3, #0x10
08098324: 0C1F    lsr     r7, r3, #0x10
08098326: 2000    mov     r0, #0x00
08098328: 1C21    add     r1, r4, #0x0
0809832A: 2200    mov     r2, #0x00
0809832C: F003    bl       
0809832E: FF92    bl      0x0809C254
08098330: 1C20    add     r0, r4, #0x0
08098332: 2100    mov     r1, #0x00
08098334: 2200    mov     r2, #0x00
08098336: F004    bl       
08098338: F819    bl      0x0809C36C
0809833A: 1C02    add     r2, r0, #0x0
0809833C: 241E    mov     r4, #0x1E
0809833E: 1BA0    sub     r0, r4, r6
08098340: 0FC1    lsr     r1, r0, #0x1F
08098342: 1840    add     r0, r0, r1
08098344: 03C0    lsl     r0, r0, #0xF
08098346: 0C01    lsr     r1, r0, #0x10
08098348: 2300    mov     r3, #0x00
0809834A: 42BB    cmp     r3, r7
0809834C: D218    bcs     0x08098380		; Exit
0809834E: 1870    add     r0, r6, r1
08098350: 1A20    sub     r0, r4, r0
08098352: 0040    lsl     r0, r0, #0x1
08098354: 4684    mov     r12, r0
08098356: 004C    lsl     r4, r1, #0x1
08098358: 1912    add     r2, r2, r4
0809835A: 2100    mov     r1, #0x00
0809835C: 3301    add     r3, #0x01
0809835E: 42B1    cmp     r1, r6
08098360: D209    bcs     0x08098376
08098362: 8015    strh    r5, [r2]
08098364: 1C48    add     r0, r1, #0x1
08098366: 0400    lsl     r0, r0, #0x10
08098368: 0C01    lsr     r1, r0, #0x10
0809836A: 1C68    add     r0, r5, #0x1
0809836C: 0400    lsl     r0, r0, #0x10
0809836E: 0C05    lsr     r5, r0, #0x10
08098370: 3202    add     r2, #0x02
08098372: 42B1    cmp     r1, r6
08098374: D3F5    bcc     0x08098362
08098376: 4462    add     r2, r12
08098378: 0418    lsl     r0, r3, #0x10
0809837A: 0C03    lsr     r3, r0, #0x10
0809837C: 42BB    cmp     r3, r7
0809837E: D3EB    bcc     0x08098358

08098380: BCF0    pop     {r4, r5, r6, r7}
08098382: BC01    pop     {r0}
08098384: 4700    bx      r0

;08098386: 0000    lsl     r0, r0, #0x0

$08098388 - ?

08098388: B5F0    push    {r4, r5, r6, r7, lr}
0809838A: 4647    mov     r7, r8
0809838C: B480    push    {r7}

0809838E: 1C05    add     r5, r0, #0x0
08098390: 1C0C    add     r4, r1, #0x0
08098392: 9806    ldr     r0, [sp, #0x018]	; load original r4 value in r0?
08098394: 0424    lsl     r4, r4, #0x10
08098396: 0C24    lsr     r4, r4, #0x10
08098398: 0412    lsl     r2, r2, #0x10
0809839A: 0C12    lsr     r2, r2, #0x10
0809839C: 4690    mov     r8, r2
0809839E: 041B    lsl     r3, r3, #0x10
080983A0: 0C1E    lsr     r6, r3, #0x10
080983A2: 0400    lsl     r0, r0, #0x10
080983A4: 0C07    lsr     r7, r0, #0x10
080983A6: 2000    mov     r0, #0x00
080983A8: 1C21    add     r1, r4, #0x0
080983AA: 2200    mov     r2, #0x00
080983AC: F003    bl       
080983AE: FF52    bl      0x0809C254
080983B0: 1C20    add     r0, r4, #0x0
080983B2: 2100    mov     r1, #0x00
080983B4: 2200    mov     r2, #0x00
080983B6: F003    bl       
080983B8: FFD9    bl      0x0809C36C
080983BA: 1C02    add     r2, r0, #0x0
080983BC: 201E    mov     r0, #0x1E
080983BE: 1B80    sub     r0, r0, r6
080983C0: 0400    lsl     r0, r0, #0x10
080983C2: 0C04    lsr     r4, r0, #0x10
080983C4: 2300    mov     r3, #0x00
080983C6: 42BB    cmp     r3, r7
080983C8: D219    bcs     0x080983FE
080983CA: 1931    add     r1, r6, r4
080983CC: 201E    mov     r0, #0x1E
080983CE: 1A40    sub     r0, r0, r1
080983D0: 0040    lsl     r0, r0, #0x1
080983D2: 4684    mov     r12, r0
080983D4: 0064    lsl     r4, r4, #0x1
080983D6: 1912    add     r2, r2, r4
080983D8: 2100    mov     r1, #0x00
080983DA: 3301    add     r3, #0x01
080983DC: 42B1    cmp     r1, r6
080983DE: D209    bcs     0x080983F4
080983E0: 7828    ldrb    r0, [r5]
080983E2: 4440    add     r0, r8
080983E4: 8010    strh    r0, [r2]
080983E6: 1C48    add     r0, r1, #0x1
080983E8: 0400    lsl     r0, r0, #0x10
080983EA: 0C01    lsr     r1, r0, #0x10
080983EC: 3501    add     r5, #0x01
080983EE: 3202    add     r2, #0x02
080983F0: 42B1    cmp     r1, r6
080983F2: D3F5    bcc     0x080983E0
080983F4: 4462    add     r2, r12
080983F6: 0418    lsl     r0, r3, #0x10
080983F8: 0C03    lsr     r3, r0, #0x10
080983FA: 42BB    cmp     r3, r7
080983FC: D3EB    bcc     0x080983D6

080983FE: BC08    pop     {r3}
08098400: 4698    mov     r8, r3
08098402: BCF0    pop     {r4, r5, r6, r7}
08098404: BC01    pop     {r0}
08098406: 4700    bx      r0

$08098408 - ?

08098408: B5F0    push    {r4, r5, r6, r7, lr}

0809840A: 1C04    add     r4, r0, #0x0
0809840C: 1C0D    add     r5, r1, #0x0
0809840E: 0424    lsl     r4, r4, #0x10
08098410: 0C24    lsr     r4, r4, #0x10
08098412: 042D    lsl     r5, r5, #0x10
08098414: 0C2D    lsr     r5, r5, #0x10
08098416: 0412    lsl     r2, r2, #0x10
08098418: 0C16    lsr     r6, r2, #0x10
0809841A: 041B    lsl     r3, r3, #0x10
0809841C: 0C1F    lsr     r7, r3, #0x10
0809841E: 2000    mov     r0, #0x00
08098420: 1C21    add     r1, r4, #0x0
08098422: 2200    mov     r2, #0x00
08098424: F003    bl       
08098426: FF16    bl      0x0809C254
08098428: 2214    mov     r2, #0x14
0809842A: 1BD2    sub     r2, r2, r7
0809842C: 0412    lsl     r2, r2, #0x10
0809842E: 0C12    lsr     r2, r2, #0x10
08098430: 1C20    add     r0, r4, #0x0
08098432: 2100    mov     r1, #0x00
08098434: F003    bl       
08098436: FF9A    bl      0x0809C36C
08098438: 1C02    add     r2, r0, #0x0
0809843A: 241E    mov     r4, #0x1E
0809843C: 1BA0    sub     r0, r4, r6
0809843E: 0FC1    lsr     r1, r0, #0x1F
08098440: 1840    add     r0, r0, r1
08098442: 03C0    lsl     r0, r0, #0xF
08098444: 0C01    lsr     r1, r0, #0x10
08098446: 2300    mov     r3, #0x00
08098448: 42BB    cmp     r3, r7
0809844A: D218    bcs     0x0809847E
0809844C: 1870    add     r0, r6, r1
0809844E: 1A20    sub     r0, r4, r0
08098450: 0040    lsl     r0, r0, #0x1
08098452: 4684    mov     r12, r0
08098454: 004C    lsl     r4, r1, #0x1
08098456: 1912    add     r2, r2, r4
08098458: 2100    mov     r1, #0x00
0809845A: 3301    add     r3, #0x01
0809845C: 42B1    cmp     r1, r6
0809845E: D209    bcs     0x08098474
08098460: 8015    strh    r5, [r2]
08098462: 1C48    add     r0, r1, #0x1
08098464: 0400    lsl     r0, r0, #0x10
08098466: 0C01    lsr     r1, r0, #0x10
08098468: 1C68    add     r0, r5, #0x1
0809846A: 0400    lsl     r0, r0, #0x10
0809846C: 0C05    lsr     r5, r0, #0x10
0809846E: 3202    add     r2, #0x02
08098470: 42B1    cmp     r1, r6
08098472: D3F5    bcc     0x08098460
08098474: 4462    add     r2, r12
08098476: 0418    lsl     r0, r3, #0x10
08098478: 0C03    lsr     r3, r0, #0x10
0809847A: 42BB    cmp     r3, r7
0809847C: D3EB    bcc     0x08098456

0809847E: BCF0    pop     {r4, r5, r6, r7}
08098480: BC01    pop     {r0}
08098482: 4700    bx      r0

$08098484 - ?

Disables Interrupts, transfers data to $020000D0 (WRAM), re-enables Interrupts

08098484: B510    push    {r4, lr}
08098486: 4C0F    ldr     r4, =#0x04000208
08098488: 2000    mov     r0, #0x00
0809848A: 8020    strh    r0, [r4]				; Disable all interrupts

0809848C: 4A0E    ldr     r2, =#0x04000200
0809848E: 8811    ldrh    r1, [r2]				; r1 contains all Interrupts that are activated
08098490: 480E    ldr     r0, =#0x0000FFFC
08098492: 4008    and     r0, r1				; Deactivate LCD V-Blank and H-Blank
08098494: 8010    strh    r0, [r2]				; Store back

08098496: 4A0E    ldr     r2, =#0x04000004
08098498: 8811    ldrh    r1, [r2]				; Load General LCD Status
0809849A: 480E    ldr     r0, =#0x0000FFE7
0809849C: 4008    and     r0, r1				; Disable V-Blank and H-Blank IRQ Enable
0809849E: 8010    strh    r0, [r2]				; Store back

080984A0: 480D    ldr     r0, =#0x0202DE30
080984A2: 4A0E    ldr     r2, =#0x000048A8
080984A4: 1881    add     r1, r0, r2
080984A6: 2200    mov     r2, #0x00
080984A8: 600A    str     r2, [r1]				; $020326D8 = #$00000000

080984AA: 490D    ldr     r1, =#0x000048AC
080984AC: 1840    add     r0, r0, r1
080984AE: 6002    str     r2, [r0]				; $020326DC = #$00000000

080984B0: 480C    ldr     r0, =#0x020000D0			; Store Address
080984B2: 490D    ldr     r1, =#0x080C23C8			; Load Address
080984B4: 2238    mov     r2, #0x38				; Bytes to transfer
080984B6: F029    bl       
080984B8: FD95    bl      0x080C1FE4				; Data Transfer
								; Transfers $080C23C8-080C2400 to $020000D0-$02000107


080984BA: 2001    mov     r0, #0x01			; $04000208 = #$00000001
080984BC: 8020    strh    r0, [r4]				; [Re-Enable interrupts]
080984BE: BC10    pop     {r4}
080984C0: BC01    pop     {r0}
080984C2: 4700    bx      r0

; DATA
; 080984C4: 0208    lsl     r0, r1, #0x8
; 080984C6: 0400    lsl     r0, r0, #0x10
; 080984C8: 0200    lsl     r0, r0, #0x8
; 080984CA: 0400    lsl     r0, r0, #0x10
; 080984CC: FFFC    bl      0x07C994C6
; 080984CE: 0000    lsl     r0, r0, #0x0
; 080984D0: 0004    lsl     r4, r0, #0x0
; 080984D2: 0400    lsl     r0, r0, #0x10
; 080984D4: FFE7    bl      0x07C994A4
; 080984D6: 0000    lsl     r0, r0, #0x0
; 080984D8: DE30    ???      
; 080984DA: 0202    lsl     r2, r0, #0x8
; 080984DC: 48A8    ldr     r0, =#0x00004770
; 080984DE: 0000    lsl     r0, r0, #0x0
; 080984E0: 48AC    ldr     r0, =#0x78281825
; 080984E2: 0000    lsl     r0, r0, #0x0
; 080984E4: 00D0    lsl     r0, r2, #0x3
; 080984E6: 0200    lsl     r0, r0, #0x8
; 080984E8: 23C8    mov     r3, #0xC8
; 080984EA: 080C    lsr     r4, r1, #0x0

$08098530 - (Jump to subroutines, Enable interrupts?)

08098530: B500    push    {lr}
08098532: 4807    ldr     r0, =#0x0202DF00
08098534: F025    bl       
08098536: FE5C    bl      0x080BE1F0			; ?
08098538: F026    bl       
0809853A: FF70    bl      0x080BF41C			; ?
0809853C: 4A05    ldr     r2, =#0x04000208
0809853E: 2000    mov     r0, #0x00
08098540: 8010    strh    r0, [r2]			; Disable All Interrupts
08098542: 4905    ldr     r1, =#0x03007FF8
08098544: 2001    mov     r0, #0x01
08098546: 8008    strh    r0, [r1]			; Store value in $03007FF8 (Buffer for $04000208)
08098548: 8010    strh    r0, [r2]			; Enable Interrupts
0809854A: BC01    pop     {r0}
0809854C: 4700    bx      r0
;0809854E: 0000    lsl     r0, r0, #0x0
;08098550: DF00    swi     SoftReset
;08098552: 0202    lsl     r2, r0, #0x8
;08098554: 0208    lsl     r0, r1, #0x8
;08098556: 0400    lsl     r0, r0, #0x10
;08098558: 7FF8    ldrb    r0, [r7, #0x1F]
;0809855A: 0300    lsl     r0, r0, #0xC

$08098580 - Increment Intro Frame Counters, Update Graphics

Increment values in $0202DEAC-F and $0202DEB0-3, load values from $0202DE30-3 and $0202DE34-7 in r0 and r1.

08098580: B500    push    {lr}
08098582: 4908    ldr     r1, =#0x0202DE30	; Increment the value in $0202DEAC (Global Intro Frame Counter)
08098584: 6FC8    ldr     r0, [r1, #0x7C]
08098586: 3001    add     r0, #0x01
08098588: 67C8    str     r0, [r1, #0x7C]
0809858A: 1C0A    add     r2, r1, #0x0
0809858C: 3280    add     r2, #0x80		; r2 = #$0202DEB0 (Intro Segment Frame Counter)
0809858E: 6810    ldr     r0, [r2]		; Increment the value in $0202DEB0
08098590: 3001    add     r0, #0x01
08098592: 6010    str     r0, [r2]
08098594: 6808    ldr     r0, [r1]		; r0 = [$0202DE30]
08098596: 6849    ldr     r1, [r1, #0x04]	; r1 = [$0202DE34]
08098598: F000    bl       
0809859A: F806    bl      0x080985A8		; Transfer Settings in LCD I/O registers
0809859C: F000    bl       
0809859E: F8AC    bl      0x080986F8		; (General Graphics Updater?)
080985A0: BC01    pop     {r0}
080985A2: 4700    bx      r0

;DATA
;====================
;080985A4: DE30    ???      
;080985A6: 0202    lsl     r2, r0, #0x8

$080985A8 - Transfer Settings in LCD I/O registers

r0 (later transferred in r3) contains the address of the beginning of a list of values. These values are transferred in many registers around $04000000.

080985A8: B510    push    {r4, lr}
080985AA: 1C03    add     r3, r0, #0x0
080985AC: 1C0C    add     r4, r1, #0x0
080985AE: 2180    mov     r1, #0x80
080985B0: 04C9    lsl     r1, r1, #0x13		; r1 = #$04000000
080985B2: 8918    ldrh    r0, [r3, #0x08]
080985B4: 8008    strh    r0, [r1]			; DISPCNT - LCD Control
080985B6: 3108    add     r1, #0x08			; r1 = #$04000008
080985B8: 8958    ldrh    r0, [r3, #0x0A]
080985BA: 8008    strh    r0, [r1]			; BG0CNT - BG0 Control
080985BC: 3102    add     r1, #0x02			; r1 = #$0400000A
080985BE: 8998    ldrh    r0, [r3, #0x0C]
080985C0: 8008    strh    r0, [r1]			; BG1CNT - BG1 Control
080985C2: 3102    add     r1, #0x02			; r1 = #$0400000C
080985C4: 89D8    ldrh    r0, [r3, #0x0E]
080985C6: 8008    strh    r0, [r1]			; BG2CNT - BG2 Control
080985C8: 3102    add     r1, #0x02			; r1 = #$0400000E
080985CA: 8A18    ldrh    r0, [r3, #0x10]
080985CC: 8008    strh    r0, [r1]			; BG3CNT - BG3 Control
080985CE: 3102    add     r1, #0x02			; r1 = #$04000010
080985D0: 8A58    ldrh    r0, [r3, #0x12]
080985D2: 8008    strh    r0, [r1]			; BG0HOFS - BG0 X-Offset
080985D4: 3102    add     r1, #0x02			; r1 = #$04000012
080985D6: 8A98    ldrh    r0, [r3, #0x14]
080985D8: 8008    strh    r0, [r1]			; BG0VOFS - BG0 Y-Offset
080985DA: 3102    add     r1, #0x02			; r1 = #$04000014
080985DC: 8AD8    ldrh    r0, [r3, #0x16]
080985DE: 8008    strh    r0, [r1]			; BG1HOFS - BG1 X-Offset
080985E0: 3102    add     r1, #0x02			; r1 = #$04000016
080985E2: 8B18    ldrh    r0, [r3, #0x18]
080985E4: 8008    strh    r0, [r1]			; BG1VOFS - BG1 Y-Offset
080985E6: 3102    add     r1, #0x02			; r1 = #$04000018
080985E8: 8B58    ldrh    r0, [r3, #0x1A]
080985EA: 8008    strh    r0, [r1]			; BG2HOFS - BG2 X-Offset
080985EC: 3102    add     r1, #0x02			; r1 = #$0400001A
080985EE: 8B98    ldrh    r0, [r3, #0x1C]
080985F0: 8008    strh    r0, [r1]			; BG2VOFS - BG2 Y-Offset
080985F2: 3102    add     r1, #0x02			; r1 = #$0400001C
080985F4: 8BD8    ldrh    r0, [r3, #0x1E]
080985F6: 8008    strh    r0, [r1]			; BG3HOFS - BG3 X-Offset
080985F8: 3102    add     r1, #0x02			; r1 = #$0400001E
080985FA: 8C18    ldrh    r0, [r3, #0x20]
080985FC: 8008    strh    r0, [r1]			; BG3VOFS - BG3 Y-Offset
080985FE: 3132    add     r1, #0x32			; r1 = #$04000050
08098600: 8818    ldrh    r0, [r3]
08098602: 8008    strh    r0, [r1]			; BLDCNT - Color Special Effects Selection
08098604: 3102    add     r1, #0x02			; r1 = #$04000052
08098606: 8858    ldrh    r0, [r3, #0x02]
08098608: 8008    strh    r0, [r1]			; BLDALPHA - Alpha Blending Coefficients
0809860A: 3102    add     r1, #0x02			; r1 = #$04000054
0809860C: 8898    ldrh    r0, [r3, #0x04]
0809860E: 8008    strh    r0, [r1]			; BLDY - Brightness (Fade-In/Out) Coefficient
08098610: 8919    ldrh    r1, [r3, #0x08]		; Load value for DISPCNT - LCD Control ($04000000)
08098612: 2007    mov     r0, #0x07
08098614: 4008    and     r0, r1			; Exempt BG Mode bits
08098616: 2802    cmp     r0, #0x02
08098618: D138    bne     0x0809868C			; Branch if BG Mode is not 2

0809861A: 4932    ldr     r1, =#0x04000020		; r1 = #$04000020
0809861C: 8C58    ldrh    r0, [r3, #0x22]
0809861E: 8008    strh    r0, [r1]			; BG2PA - BG2 Rotation/Scaling Parameter A (alias dx)
08098620: 3102    add     r1, #0x02			; r1 = #$04000022
08098622: 8C98    ldrh    r0, [r3, #0x24]
08098624: 8008    strh    r0, [r1]			; BG2PB - BG2 Rotation/Scaling Parameter B (alias dmx)
08098626: 3102    add     r1, #0x02			; r1 = #$04000024
08098628: 8CD8    ldrh    r0, [r3, #0x26]
0809862A: 8008    strh    r0, [r1]			; BG2PC - BG2 Rotation/Scaling Parameter C (alias dy)
0809862C: 3102    add     r1, #0x02			; r1 = #$04000026
0809862E: 8D18    ldrh    r0, [r3, #0x28]
08098630: 8008    strh    r0, [r1]			; BG2PD - BG2 Rotation/Scaling Parameter D (alias dmy)
08098632: 310A    add     r1, #0x0A			; r1 = #$04000030
08098634: 8D58    ldrh    r0, [r3, #0x2A]
08098636: 8008    strh    r0, [r1]			; BG3PA - BG3 Rotation/Scaling Parameter A (alias dx)
08098638: 3102    add     r1, #0x02			; r1 = #$04000032
0809863A: 8D98    ldrh    r0, [r3, #0x2C]
0809863C: 8008    strh    r0, [r1]			; BG3PB - BG3 Rotation/Scaling Parameter B (alias dmx)
0809863E: 3102    add     r1, #0x02			; r1 = #$04000034
08098640: 8DD8    ldrh    r0, [r3, #0x2E]
08098642: 8008    strh    r0, [r1]			; BG3PC - BG3 Rotation/Scaling Parameter C (alias dy)
08098644: 3102    add     r1, #0x02			; r1 = #$04000036
08098646: 8E18    ldrh    r0, [r3, #0x30]
08098648: 8008    strh    r0, [r1]			; BG3PD - BG3 Rotation/Scaling Parameter D (alias dmy)
0809864A: 390E    sub     r1, #0x0E			; r1 = #$04000028
0809864C: 6B58    ldr     r0, [r3, #0x34]
0809864E: 8008    strh    r0, [r1]			; BG2X_L - BG2 Reference Point X-Coordinate, lower 16 bit
08098650: 3102    add     r1, #0x02			; r1 = #$0400002A
08098652: 6B58    ldr     r0, [r3, #0x34]
08098654: 4A24    ldr     r2, =#0x0FFF0000		; For the upper half, only 12 bit values are valid, so the most significant nibble gets removed
08098656: 4010    and     r0, r2
08098658: 1400    asr     r0, r0, #0x10		; ... and then the whole upper double byte gets shifted downwards, so STRH can work
0809865A: 8008    strh    r0, [r1]			; BG2X_H - BG2 Reference Point X-Coordinate, upper 12 bit
0809865C: 3102    add     r1, #0x02			; r1 = #$0400002C
0809865E: 6B98    ldr     r0, [r3, #0x38]
08098660: 8008    strh    r0, [r1]			; BG2Y_L - BG2 Reference Point Y-Coordinate, lower 16 bit
08098662: 3102    add     r1, #0x02			; r1 = #$0400002E
08098664: 6B98    ldr     r0, [r3, #0x38]
08098666: 4010    and     r0, r2
08098668: 1400    asr     r0, r0, #0x10
0809866A: 8008    strh    r0, [r1]			; BG2Y_H - BG2 Reference Point Y-Coordinate, upper 12 bit
0809866C: 310A    add     r1, #0x0A			; r1 = #$04000038
0809866E: 6BD8    ldr     r0, [r3, #0x3C]
08098670: 8008    strh    r0, [r1]			; BG3X_L - BG3 Reference Point X-Coordinate, lower 16 bit
08098672: 3102    add     r1, #0x02			; r1 = #$0400003A
08098674: 6BD8    ldr     r0, [r3, #0x3C]
08098676: 4010    and     r0, r2
08098678: 1400    asr     r0, r0, #0x10
0809867A: 8008    strh    r0, [r1]			; BG3X_H - BG3 Reference Point X-Coordinate, upper 12 bit
0809867C: 3102    add     r1, #0x02			; r1 = #$0400003C
0809867E: 6C18    ldr     r0, [r3, #0x40]
08098680: 8008    strh    r0, [r1]			; BG3Y_L - BG3 Reference Point Y-Coordinate, lower 16 bit
08098682: 3102    add     r1, #0x02			; r1 = #$0400003E
08098684: 6C18    ldr     r0, [r3, #0x40]
08098686: 4010    and     r0, r2
08098688: 1400    asr     r0, r0, #0x10
0809868A: 8008    strh    r0, [r1]			; BG3Y_H - BG3 Reference Point Y-Coordinate, upper 12 bit

0809868C: 4917    ldr     r1, =#0x00001F08
0809868E: 1860    add     r0, r4, r1			; Note that this is now the SECOND address that got transferred in this subroutine in r1!)
08098690: 7802    ldrb    r2, [r0]			; Load first BYTE
08098692: 3101    add     r1, #0x01
08098694: 1860    add     r0, r4, r1			; Increment load address
08098696: 7801    ldrb    r1, [r0]			; Load second BYTE
08098698: 0149    lsl     r1, r1, #0x5			; Multiply second byte by #$20
0809869A: 4311    orr     r1, r2			; Put both bytes together
0809869C: 4A14    ldr     r2, =#0x00001F0A
0809869E: 18A0    add     r0, r4, r2
080986A0: 7800    ldrb    r0, [r0]			; Load third BYTE
080986A2: 0280    lsl     r0, r0, #0xA			; Multiply third byte by #$3FC00
080986A4: 4301    orr     r1, r0			; Add to other two bytes: #%0000.00cc.cccc.cc0b.bbbb.bbb0.aaaa.aaaa
080986A6: 22CE    mov     r2, #0xCE
080986A8: 0152    lsl     r2, r2, #0x5			; r2 = #$000019C0
080986AA: 18A0    add     r0, r4, r2
080986AC: 8802    ldrh    r2, [r0]
080986AE: 2200    mov     r2, #0x00
080986B0: 8001    strh    r1, [r0]			; Store newly calculated value
080986B2: 8919    ldrh    r1, [r3, #0x08]		; Load value for DISPCNT - LCD Control ($04000000)
080986B4: 480F    ldr     r0, =#0x000080FF		; Load AND-Mask to remove Screen Display for all BGs/OBJs/Windows but OBJ Window Display
080986B6: 4008    and     r0, r1
080986B8: 8919    ldrh    r1, [r3, #0x08]		; Load old value for DISPCNT - LCD Control ($04000000)
080986BA: 8118    strh    r0, [r3, #0x08]		; Store new value for DISPCNT - LCD Control ($04000000) (with the removed flags, see above)
080986BC: 8A58    ldrh    r0, [r3, #0x12]		; Load old value for BG0HOFS - BG0 X-Offset ($04000010)
080986BE: 825A    strh    r2, [r3, #0x12]		; Clear value for BG0HOFS - BG0 X-Offset ($04000010)
080986C0: 8A98    ldrh    r0, [r3, #0x14]		; Load old value for BG0VOFS - BG0 Y-Offset ($04000012)
080986C2: 829A    strh    r2, [r3, #0x14]		; Clear value for BG0VOFS - BG0 Y-Offset ($04000012)
080986C4: 8AD8    ldrh    r0, [r3, #0x16]		; Load old value for BG1HOFS - BG1 X-Offset ($04000014)
080986C6: 82DA    strh    r2, [r3, #0x16]		; Clear value for BG1HOFS - BG1 X-Offset ($04000014)
080986C8: 8B18    ldrh    r0, [r3, #0x18]		; Load old value for BG1VOFS - BG1 Y-Offset ($04000016)
080986CA: 831A    strh    r2, [r3, #0x18]		; Clear value for BG1VOFS - BG1 Y-Offset ($04000016)
080986CC: 8B58    ldrh    r0, [r3, #0x1A]		; Load old value for BG2HOFS - BG2 X-Offset ($04000018)
080986CE: 835A    strh    r2, [r3, #0x1A]		; Clear value for BG2HOFS - BG2 X-Offset ($04000018)
080986D0: 8B98    ldrh    r0, [r3, #0x1C]		; Load old value for BG2VOFS - BG2 Y-Offset ($0400001A)
080986D2: 839A    strh    r2, [r3, #0x1C]		; Clear value for BG2VOFS - BG2 Y-Offset ($0400001A)
080986D4: 8BD8    ldrh    r0, [r3, #0x1E]		; Load old value for BG3HOFS - BG3 X-Offset ($0400001C)
080986D6: 83DA    strh    r2, [r3, #0x1E]		; Clear value for BG3HOFS - BG3 X-Offset ($0400001C)
080986D8: 8C18    ldrh    r0, [r3, #0x20]		; Load old value for BG3VOFS - BG3 Y-Offset ($0400001E)
080986DA: 841A    strh    r2, [r3, #0x20]		; Clear value for BG3VOFS - BG3 Y-Offset ($0400001E)

080986DC: BC10    pop     {r4}
080986DE: BC01    pop     {r0}
080986E0: 4700    bx      r0

;DATA
;=======================
;080986E2: 0000    lsl     r0, r0, #0x0
;080986E4: 0020    lsl     r0, r4, #0x0
;080986E6: 0400    lsl     r0, r0, #0x10
;080986E8: 0000    lsl     r0, r0, #0x0
;080986EA: 0FFF    lsr     r7, r7, #0x1F
;080986EC: 1F08    sub     r0, r1, #0x4
;080986EE: 0000    lsl     r0, r0, #0x0
;080986F0: 1F0A    sub     r2, r1, #0x4
;080986F2: 0000    lsl     r0, r0, #0x0
;080986F4: 80FF    strh    r7, [r7, #0x06]
;080986F6: 0000    lsl     r0, r0, #0x0

$080986F8 - (General Graphics Updater?)

080986F8: B510    push    {r4, lr}
080986FA: 4C09    ldr     r4, =#0x0202DE30
080986FC: 6860    ldr     r0, [r4, #0x04]		; r0 = $02020DE34 = Offset to the OAM buffer
080986FE: F000    bl       
08098700: F811    bl      0x08098724			; DMA the whole OAM buffer in OAM
08098702: F000    bl       
08098704: F843    bl      0x0809878C			; (Load different Graphics depending on set flags)
08098706: F000    bl       
08098708: F8EB    bl      0x080988E0			; (Update VRAM depending on set flags)
0809870A: 21A0    mov     r1, #0xA0
0809870C: 0049    lsl     r1, r1, #0x1			; r1 = #$00000140
0809870E: 1860    add     r0, r4, r1			; r0 = #$0202DF70
08098710: F000    bl       
08098712: F96A    bl      0x080989E8
08098714: 6860    ldr     r0, [r4, #0x04]		; r0 = Offset to the Palette buffer
08098716: F000    bl       
08098718: F81F    bl      0x08098758			; DMA the whole Palette buffer in Palette RAM

0809871A: BC10    pop     {r4}
0809871C: BC01    pop     {r0}
0809871E: 4700    bx      r0

;DATA
;=============
;08098720: DE30    ???      
;08098722: 0202    lsl     r2, r0, #0x8

$08098724 - DMA to OAM

r0 + #$000012C0 is the address for the OAM buffer. A DMA transfers the whole buffer in OAM.

08098724: 490A    ldr     r1, =#0x040000D4
08098726: 2296    mov     r2, #0x96
08098728: 0152    lsl     r2, r2, #0x5			; r2 = #$000012C0
0809872A: 1880    add     r0, r0, r2
0809872C: 6008    str     r0, [r1]			; DMA Source Address = Original r0 + #$000012C0
0809872E: 20E0    mov     r0, #0xE0
08098730: 04C0    lsl     r0, r0, #0x13		; r0 = #$07000000
08098732: 6048    str     r0, [r1, #0x04]		; DMA Source Address = $07000000 (OAM - OBJ Attributes)
08098734: 4807    ldr     r0, =#0x80000200		; $200 Double Bytes to transfer - Whole OAM content
08098736: 6088    str     r0, [r1, #0x08]
08098738: 6888    ldr     r0, [r1, #0x08]
0809873A: 6888    ldr     r0, [r1, #0x08]
0809873C: 2280    mov     r2, #0x80
0809873E: 0612    lsl     r2, r2, #0x18		; AND Mask for the DMA-Enable Bit
08098740: 2800    cmp     r0, #0x00
08098742: DA03    bge     0x0809874C			; Overbranch if DMA is completed

08098744: 6888    ldr     r0, [r1, #0x08]
08098746: 4010    and     r0, r2
08098748: 2800    cmp     r0, #0x00
0809874A: D1FB    bne     0x08098744			; Loop if DMA isn't completed

0809874C: 4770    bx      lr

;DATA
;===============
;0809874E: 0000    lsl     r0, r0, #0x0
;08098750: 00D4    lsl     r4, r2, #0x3
;08098752: 0400    lsl     r0, r0, #0x10
;08098754: 0200    lsl     r0, r0, #0x8
;08098756: 8000    strh    r0, [r0]

$08098758 - DMA to BG/OBJ Palette RAM

Transfers the whole BG/OBJ Palette buffer into the actual Palette RAM.

08098758: 490A    ldr     r1, =#0x040000D4
0809875A: 22CE    mov     r2, #0xCE
0809875C: 0152    lsl     r2, r2, #0x5			; r2 = #$000019C0
0809875E: 1880    add     r0, r0, r2
08098760: 6008    str     r0, [r1]			; DMA Source: r0 + #$000019C0
08098762: 20A0    mov     r0, #0xA0
08098764: 04C0    lsl     r0, r0, #0x13
08098766: 6048    str     r0, [r1, #0x04]		; DMA Destination: $05000000 (BG/OBJ Palette RAM)
08098768: 4807    ldr     r0, =#0x80000200
0809876A: 6088    str     r0, [r1, #0x08]		; Data Size: 200 Doublebytes to transfer - Whole Pal RAM content
0809876C: 6888    ldr     r0, [r1, #0x08]
0809876E: 6888    ldr     r0, [r1, #0x08]
08098770: 2280    mov     r2, #0x80
08098772: 0612    lsl     r2, r2, #0x18
08098774: 2800    cmp     r0, #0x00
08098776: DA03    bge     0x08098780			; Overbranch if DMA is completed

08098778: 6888    ldr     r0, [r1, #0x08]
0809877A: 4010    and     r0, r2
0809877C: 2800    cmp     r0, #0x00
0809877E: D1FB    bne     0x08098778			; Loop if DMA isn't completed

08098780: 4770    bx      lr

;DATA
;===================
08098782: 0000    lsl     r0, r0, #0x0
08098784: 00D4    lsl     r4, r2, #0x3
08098786: 0400    lsl     r0, r0, #0x10
08098788: 0200    lsl     r0, r0, #0x8
0809878A: 8000    strh    r0, [r0]

$0809878C - (Load different graphics depending on set flags)

0809878C: B570    push    {r4, r5, r6, lr}
0809878E: B081    add     sp, #-0x004
08098790: 4C4C    ldr     r4, =#0x0202DE30
08098792: 484D    ldr     r0, =#0x000048A4
08098794: 1825    add     r5, r4, r0			; r5 = #$020326D4
08098796: 7828    ldrb    r0, [r5]
08098798: 0680    lsl     r0, r0, #0x1A			; only the lowest 6 bits are left over, these are the highest 6 bits
0809879A: 2800    cmp     r0, #0x00
0809879C: DA01    bge     0x080987A2			; Branch if bit 5 of the original value is not set

0809879E: F7FF    bl       
080987A0: F9F9    bl      0x08097B94			; Load Title Screen Graphic data

080987A2: 7828    ldrb    r0, [r5]
080987A4: 0640    lsl     r0, r0, #0x19			; only the lowest 7 bits are left over, these are the highest 7 bits
080987A6: 2800    cmp     r0, #0x00
080987A8: DA04    bge     0x080987B4			; Branch if bit 6 of the original value is not set

080987AA: 1C20    add     r0, r4, #0x0
080987AC: 308E    add     r0, #0x8E
080987AE: 8800    ldrh    r0, [r0]			; Load value from $0202DEBE - The number of Rows the title screen has to be scrolled down
080987B0: F7FF    bl       
080987B2: FA80    bl      0x08097CB4			; Load title screen 

080987B4: 7828    ldrb    r0, [r5]
080987B6: 09C0    lsr     r0, r0, #0x7
080987B8: 2800    cmp     r0, #0x00
080987BA: D004    beq     0x080987C6			; Branch if the MSB of the loaded byte is set

080987BC: 4943    ldr     r1, =#0x000048A3
080987BE: 1860    add     r0, r4, r1
080987C0: 7800    ldrb    r0, [r0]			; Load value from $020326D3 (Which Story Demo Background should be loaded, #$00-03)
080987C2: F7FF    bl       
080987C4: FA97    bl      0x08097CF4			; Load Intro Story Demo Background

080987C6: 4A42    ldr     r2, =#0x000048A5
080987C8: 18A5    add     r5, r4, r2
080987CA: 7828    ldrb    r0, [r5]			; Load value from $020326D5
080987CC: 07C0    lsl     r0, r0, #0x1F
080987CE: 2800    cmp     r0, #0x00
080987D0: D004    beq     0x080987DC			; Branch if bit 0 of $020326D5 is clear

080987D2: 493E    ldr     r1, =#0x000048A3
080987D4: 1860    add     r0, r4, r1
080987D6: 7800    ldrb    r0, [r0]			; Load value from $020326D3
080987D8: F7FF    bl       
080987DA: FAB8    bl      0x08097D4C

080987DC: 7828    ldrb    r0, [r5]			; Load value from $020326D5
080987DE: 0780    lsl     r0, r0, #0x1E
080987E0: 2800    cmp     r0, #0x00
080987E2: DA07    bge     0x080987F4			; Branch if bit 1 of $020326D5 is clear

080987E4: 4A3B    ldr     r2, =#0x000048A2
080987E6: 18A0    add     r0, r4, r2
080987E8: 7800    ldrb    r0, [r0]			; Load value from $020326D2
080987EA: 3201    add     r2, #0x01
080987EC: 18A1    add     r1, r4, r2
080987EE: 7809    ldrb    r1, [r1]
080987F0: F7FF    bl       
080987F2: FB1A    bl      0x08097E28

080987F4: 7828    ldrb    r0, [r5]			; Load value from $020326D5
080987F6: 0740    lsl     r0, r0, #0x1D
080987F8: 1C26    add     r6, r4, #0x0
080987FA: 2800    cmp     r0, #0x00
080987FC: DA14    bge     0x08098828			; Branch if bit 2 of $020326D5 is clear

080987FE: 4669    mov     r1, sp
08098800: 2000    mov     r0, #0x00
08098802: 8008    strh    r0, [r1]			; Clear newly added entry on Stack
08098804: 4934    ldr     r1, =#0x040000D4
08098806: 4668    mov     r0, sp
08098808: 6008    str     r0, [r1]			; DMA Source Address: Cleared Stack entry
0809880A: 20C0    mov     r0, #0xC0
0809880C: 04C0    lsl     r0, r0, #0x13
0809880E: 6048    str     r0, [r1, #0x04]		; DMA Destination Address: $06000000 (VRAM)
08098810: 4832    ldr     r0, =#0x81008000
08098812: 6088    str     r0, [r1, #0x08]		; Fixed DMA, clears $8000 Doublebytes (two thirds)
08098814: 6888    ldr     r0, [r1, #0x08]
08098816: 6888    ldr     r0, [r1, #0x08]
08098818: 2280    mov     r2, #0x80
0809881A: 0612    lsl     r2, r2, #0x18			; AND Mask for DMA Enable bit
0809881C: 2800    cmp     r0, #0x00
0809881E: DA03    bge     0x08098828			; Overbranch if DMA is completed

08098820: 6888    ldr     r0, [r1, #0x08]
08098822: 4010    and     r0, r2
08098824: 2800    cmp     r0, #0x00
08098826: D1FB    bne     0x08098820			; Loop if DMA is not completed

08098828: 1C34    add     r4, r6, #0x0			; r4 = #$0202DE30
0809882A: 4929    ldr     r1, =#0x000048A5
0809882C: 1865    add     r5, r4, r1			; r5 = #$020326D5
0809882E: 7828    ldrb    r0, [r5]
08098830: 0700    lsl     r0, r0, #0x1C			; Branch if bit 3 of $020326D5 is clear
08098832: 2800    cmp     r0, #0x00
08098834: DA04    bge     0x08098840

08098836: 4A25    ldr     r2, =#0x000048A3
08098838: 18A0    add     r0, r4, r2
0809883A: 7800    ldrb    r0, [r0]			; Load value from $020326D3
0809883C: F7FF    bl       
0809883E: FBCC    bl      0x08097FD8

08098840: 7828    ldrb    r0, [r5]
08098842: 06C0    lsl     r0, r0, #0x1B
08098844: 2800    cmp     r0, #0x00
08098846: DA07    bge     0x08098858			; Branch if bit 4 of $020326D5 is clear

08098848: 1C20    add     r0, r4, #0x0
0809884A: 3041    add     r0, #0x41
0809884C: 7800    ldrb    r0, [r0]
0809884E: 4A1F    ldr     r2, =#0x000048A3
08098850: 18A1    add     r1, r4, r2
08098852: 7809    ldrb    r1, [r1]
08098854: F7FF    bl       
08098856: FC18    bl      0x08098088

08098858: 7828    ldrb    r0, [r5]
0809885A: 0680    lsl     r0, r0, #0x1A
0809885C: 2800    cmp     r0, #0x00
0809885E: DA07    bge     0x08098870			; Branch if bit 5 of $020326D5 is clear

08098860: 1C20    add     r0, r4, #0x0
08098862: 3041    add     r0, #0x41
08098864: 7800    ldrb    r0, [r0]
08098866: 4A19    ldr     r2, =#0x000048A3
08098868: 18A1    add     r1, r4, r2
0809886A: 7809    ldrb    r1, [r1]
0809886C: F7FF    bl       
0809886E: FC54    bl      0x08098118

08098870: 7828    ldrb    r0, [r5]
08098872: 0640    lsl     r0, r0, #0x19
08098874: 2800    cmp     r0, #0x00
08098876: DA04    bge     0x08098882
08098878: 4914    ldr     r1, =#0x000048A3
0809887A: 1860    add     r0, r4, r1
0809887C: 7800    ldrb    r0, [r0]
0809887E: F7FF    bl       
08098880: FC7D    bl      0x0809817C

08098882: 4811    ldr     r0, =#0x000048A4
08098884: 1832    add     r2, r6, r0
08098886: 7811    ldrb    r1, [r2]
08098888: 2421    mov     r4, #0x21
0809888A: 4264    neg     r4, r4
0809888C: 1C20    add     r0, r4, #0x0
0809888E: 4008    and     r0, r1
08098890: 2341    mov     r3, #0x41
08098892: 425B    neg     r3, r3
08098894: 4018    and     r0, r3
08098896: 217F    mov     r1, #0x7F
08098898: 4008    and     r0, r1
0809889A: 7010    strb    r0, [r2]
0809889C: 7829    ldrb    r1, [r5]
0809889E: 2002    mov     r0, #0x02
080988A0: 4240    neg     r0, r0
080988A2: 4008    and     r0, r1
080988A4: 2103    mov     r1, #0x03
080988A6: 4249    neg     r1, r1
080988A8: 4008    and     r0, r1
080988AA: 3902    sub     r1, #0x02
080988AC: 4008    and     r0, r1
080988AE: 3904    sub     r1, #0x04
080988B0: 4008    and     r0, r1
080988B2: 3908    sub     r1, #0x08
080988B4: 4008    and     r0, r1
080988B6: 4020    and     r0, r4
080988B8: 4018    and     r0, r3
080988BA: 7028    strb    r0, [r5]
080988BC: B001    add     sp, #0x004
080988BE: BC70    pop     {r4, r5, r6}
080988C0: BC01    pop     {r0}
080988C2: 4700    bx      r0

;DATA
;===================
;080988C4: DE30    ???      
;080988C6: 0202    lsl     r2, r0, #0x8
;080988C8: 48A4    ldr     r0, =#0x401068A0
;080988CA: 0000    lsl     r0, r0, #0x0
;080988CC: 48A3    ldr     r0, =#0x401068A0
;080988CE: 0000    lsl     r0, r0, #0x0
;080988D0: 48A5    ldr     r0, =#0x80283001
;080988D2: 0000    lsl     r0, r0, #0x0
;080988D4: 48A2    ldr     r0, =#0xD1FB2800
;080988D6: 0000    lsl     r0, r0, #0x0
;080988D8: 00D4    lsl     r4, r2, #0x3
;080988DA: 0400    lsl     r0, r0, #0x10
;080988DC: 8000    strh    r0, [r0]
;080988DE: 8100    strh    r0, [r0, #0x08]

$080988E0 - ?

$0203E9D0 to $0203E9D3 are four registers that can trigger something if they're unequal 0. Afterwards, all these flag registers are cleared.

080988E0: B510    push    {r4, lr}
080988E2: 4C15    ldr     r4, =#0x0202DE30
080988E4: 6862    ldr     r2, [r4, #0x04]		; Load the Offset of the Graphics Buffer (presumably #$0203CAD0)
080988E6: 21F8    mov     r1, #0xF8
080988E8: 0149    lsl     r1, r1, #0x5			; #$00001F00
080988EA: 1850    add     r0, r2, r1			; r0 = #$0203E9D0
080988EC: 7800    ldrb    r0, [r0]
080988EE: 2800    cmp     r0, #0x00
080988F0: D003    beq     0x080988FA

080988F2: 4912    ldr     r1, =#0x0600E000		; VRAM Destination
080988F4: 1C10    add     r0, r2, #0x0			; (presumably #$0203CAD0)
080988F6: F000    bl       
080988F8: F917    bl      0x08098B28

080988FA: 6861    ldr     r1, [r4, #0x04]
080988FC: 4A10    ldr     r2, =#0x00001F01
080988FE: 1888    add     r0, r1, r2			; r0 = #$0203E9D1
08098900: 7800    ldrb    r0, [r0]
08098902: 2800    cmp     r0, #0x00
08098904: D005    beq     0x08098912

08098906: 2396    mov     r3, #0x96
08098908: 00DB    lsl     r3, r3, #0x3			; Additional Load Address Offset #$000004B0
0809890A: 18C8    add     r0, r1, r3			; (presumably #$0203CF80)
0809890C: 490D    ldr     r1, =#0x0600E800		; VRAM Destination
0809890E: F000    bl       
08098910: F90B    bl      0x08098B28

08098912: 6862    ldr     r2, [r4, #0x04]
08098914: 490C    ldr     r1, =#0x00001F02
08098916: 1850    add     r0, r2, r1			; r0 = #$0203E9D2
08098918: 7800    ldrb    r0, [r0]
0809891A: 2800    cmp     r0, #0x00
0809891C: D01E    beq     0x0809895C

0809891E: 6820    ldr     r0, [r4]
08098920: 8901    ldrh    r1, [r0, #0x08]		; r1 = [$0202DE38]
08098922: 2007    mov     r0, #0x07
08098924: 4008    and     r0, r1
08098926: 2802    cmp     r0, #0x02
08098928: D112    bne     0x08098950

0809892A: 2396    mov     r3, #0x96
0809892C: 011B    lsl     r3, r3, #0x4			; Additional Load Address Offset #$00000960
0809892E: 18D0    add     r0, r2, r3			; (presumably #$0203D430)
08098930: 4906    ldr     r1, =#0x0600F000		; VRAM Destination
08098932: F000    bl       
08098934: F927    bl      0x08098B84
08098936: E011    b       0x0809895C

;DATA
;=================
;08098938: DE30    ???      
;0809893A: 0202    lsl     r2, r0, #0x8
;0809893C: E000    b       0x08098940
;0809893E: 0600    lsl     r0, r0, #0x18
;08098940: 1F01    sub     r1, r0, #0x4
;08098942: 0000    lsl     r0, r0, #0x0
;08098944: E800    ???      
;08098946: 0600    lsl     r0, r0, #0x18
;08098948: 1F02    sub     r2, r0, #0x4
;0809894A: 0000    lsl     r0, r0, #0x0
;0809894C: F000    bl       
;0809894E: 0600    lsl     r0, r0, #0x18

08098950: 2196    mov     r1, #0x96
08098952: 0109    lsl     r1, r1, #0x4
08098954: 1850    add     r0, r2, r1
08098956: 490B    ldr     r1, =#0x0600F000
08098958: F000    bl       
0809895A: F8E6    bl      0x08098B28

0809895C: 490A    ldr     r1, =#0x0202DE30
0809895E: 684A    ldr     r2, [r1, #0x04]
08098960: 4B0A    ldr     r3, =#0x00001F03
08098962: 18D0    add     r0, r2, r3			; r0 = #$0203E9D3
08098964: 7800    ldrb    r0, [r0]
08098966: 2800    cmp     r0, #0x00
08098968: D01A    beq     0x080989A0

0809896A: 6808    ldr     r0, [r1]
0809896C: 8901    ldrh    r1, [r0, #0x08]
0809896E: 2007    mov     r0, #0x07
08098970: 4008    and     r0, r1
08098972: 2802    cmp     r0, #0x02
08098974: D10E    bne     0x08098994
08098976: 21E1    mov     r1, #0xE1
08098978: 0109    lsl     r1, r1, #0x4
0809897A: 1850    add     r0, r2, r1
0809897C: 4904    ldr     r1, =#0x0600F800		; VRAM Destination
0809897E: F000    bl       
08098980: F901    bl      0x08098B84
08098982: E00D    b       0x080989A0

;DATA
;===============
;08098984: F000    bl       
;08098986: 0600    lsl     r0, r0, #0x18
;08098988: DE30    ???      
;0809898A: 0202    lsl     r2, r0, #0x8
;0809898C: 1F03    sub     r3, r0, #0x4
;0809898E: 0000    lsl     r0, r0, #0x0
;08098990: F800    bl      0x08098992
;08098992: 0600    lsl     r0, r0, #0x18

08098994: 23E1    mov     r3, #0xE1
08098996: 011B    lsl     r3, r3, #0x4
08098998: 18D0    add     r0, r2, r3
0809899A: 490E    ldr     r1, =#0x0600F800
0809899C: F000    bl       
0809899E: F8C4    bl      0x08098B28

080989A0: 4A0D    ldr     r2, =#0x0202DE30		; Clear the four "flag registers"
080989A2: 6850    ldr     r0, [r2, #0x04]
080989A4: 21F8    mov     r1, #0xF8
080989A6: 0149    lsl     r1, r1, #0x5			; r1 = #$00001F00
080989A8: 1840    add     r0, r0, r1			; r0 = #$0203E9D0
080989AA: 7801    ldrb    r1, [r0]
080989AC: 2100    mov     r1, #0x00
080989AE: 7001    strb    r1, [r0]
080989B0: 6850    ldr     r0, [r2, #0x04]
080989B2: 4B0A    ldr     r3, =#0x00001F01
080989B4: 18C0    add     r0, r0, r3			; r0 = #$0203E9D1
080989B6: 7803    ldrb    r3, [r0]
080989B8: 7001    strb    r1, [r0]
080989BA: 6850    ldr     r0, [r2, #0x04]
080989BC: 4B08    ldr     r3, =#0x00001F02
080989BE: 18C0    add     r0, r0, r3			; r0 = #$0203E9D2
080989C0: 7803    ldrb    r3, [r0]
080989C2: 7001    strb    r1, [r0]
080989C4: 6850    ldr     r0, [r2, #0x04]
080989C6: 4A07    ldr     r2, =#0x00001F03
080989C8: 1880    add     r0, r0, r2			; r0 = #$0203E9D3
080989CA: 7802    ldrb    r2, [r0]
080989CC: 7001    strb    r1, [r0]

080989CE: BC10    pop     {r4}
080989D0: BC01    pop     {r0}
080989D2: 4700    bx      r0

;DATA
;======================
;080989D4: F800    bl      0x07F989D6
;080989D6: 0600    lsl     r0, r0, #0x18
;080989D8: DE30    ???      
;080989DA: 0202    lsl     r2, r0, #0x8
;080989DC: 1F01    sub     r1, r0, #0x4
;080989DE: 0000    lsl     r0, r0, #0x0
;080989E0: 1F02    sub     r2, r0, #0x4
;080989E2: 0000    lsl     r0, r0, #0x0
;080989E4: 1F03    sub     r3, r0, #0x4
;080989E6: 0000    lsl     r0, r0, #0x0

$080989E8 - ?

r0 contains an address. The Data at that Address starts with it's destination (as a 32-bit-address), followed by the actual data (#$40 Bytes). This gets transferred with a DMA. Behind the Data are 48 Bytes(?) of additional Data for this subroutine (settings?).

080989E8: B5F0    push    {r4, r5, r6, r7, lr}
080989EA: 464F    mov     r7, r9
080989EC: 4646    mov     r6, r8
080989EE: B4C0    push    {r6, r7}
080989F0: B081    add     sp, #-0x004

080989F2: 1C06    add     r6, r0, #0x0
080989F4: 1C32    add     r2, r6, #0x0

080989F6: 4669    mov     r1, sp
080989F8: 3102    add     r1, #0x02
080989FA: 4B39    ldr     r3, =#0x0000475A
080989FC: 18F0    add     r0, r6, r3			; r0 = Original r0 + #$0000475A
080989FE: 7800    ldrb    r0, [r0]			; Load Byte from there
08098A00: 8008    strh    r0, [r1]			; Store Double Byte in newly added Stack Entry
08098A02: 8808    ldrh    r0, [r1]			; Load that Double Byte in r0
08098A04: 2800    cmp     r0, #0x00
08098A06: D041    beq     0x08098A8C			; (Leave out a whole lot if is =#$00)

08098A08: 4B36    ldr     r3, =#0x040000D4
08098A0A: 4C37    ldr     r4, =#0x80000020		; DMA Enable Bit, Transfer $20 Double Bytes
08098A0C: 46A1    mov     r9, r4			; Temp Store it in r9
08098A0E: 2080    mov     r0, #0x80
08098A10: 0600    lsl     r0, r0, #0x18
08098A12: 4680    mov     r8, r0			; Set up AND-Mask for Enable Bit, Temp Store it in r8
08098A14: 1C0F    add     r7, r1, #0x0			; r7 = Address of the Double Byte on Stack
08098A16: 1C10    add     r0, r2, #0x0			; r0 = Original r0
08098A18: 3087    add     r0, #0x87			; r0 = The address of the forty-fourth byte after the DMA transferred data
08098A1A: 7801    ldrb    r1, [r0]
08098A1C: 200C    mov     r0, #0x0C			; Setup AND-Mask (#%0000.1100)
08098A1E: 4008    and     r0, r1
08098A20: 2188    mov     r1, #0x88
08098A22: 1889    add     r1, r1, r2
08098A24: 468C    mov     r12, r1			; r12 = The address of the forty-fifth byte after the DMA transferred data
08098A26: 2800    cmp     r0, #0x00			; Branch if bits 2 and 3 of the forty-fourth byte are not clear
08098A28: D129    bne     0x08098A7E

08098A2A: 1D10    add     r0, r2, #0x4
08098A2C: 6018    str     r0, [r3]			; DMA Source is the address in Original r0 + 4
08098A2E: 6811    ldr     r1, [r2]			; r2 (Original r0) CONTAINS the address of the DMA Destination
08098A30: 6059    str     r1, [r3, #0x04]
08098A32: 464C    mov     r4, r9
08098A34: 609C    str     r4, [r3, #0x08]		; Activate Transfer, #$20 Double Bytes
08098A36: 6898    ldr     r0, [r3, #0x08]
08098A38: 1C1D    add     r5, r3, #0x0			; r5 = #$040000D4
08098A3A: 6898    ldr     r0, [r3, #0x08]
08098A3C: 4644    mov     r4, r8			; r8 is the AND-Mask for the DMA-Enable bit
08098A3E: 4020    and     r0, r4
08098A40: 1C0C    add     r4, r1, #0x0			; r4 is now the DMA Destination Address
08098A42: 1C11    add     r1, r2, #0x0			; r1 is now the Original r0
08098A44: 3144    add     r1, #0x44			; r1 is now the address of the Data right behind the DMA data
08098A46: 2800    cmp     r0, #0x00
08098A48: D005    beq     0x08098A56			; Branch if DMA is completed

08098A4A: 2280    mov     r2, #0x80
08098A4C: 0612    lsl     r2, r2, #0x18
08098A4E: 68A8    ldr     r0, [r5, #0x08]
08098A50: 4010    and     r0, r2
08098A52: 2800    cmp     r0, #0x00
08098A54: D1FB    bne     0x08098A4E			; Loop if DMA is not completed

08098A56: 6019    str     r1, [r3]
08098A58: 2180    mov     r1, #0x80
08098A5A: 00C9    lsl     r1, r1, #0x3
08098A5C: 1860    add     r0, r4, r1
08098A5E: 6058    str     r0, [r3, #0x04]
08098A60: 464A    mov     r2, r9
08098A62: 609A    str     r2, [r3, #0x08]
08098A64: 6898    ldr     r0, [r3, #0x08]
08098A66: 1C1A    add     r2, r3, #0x0
08098A68: 6890    ldr     r0, [r2, #0x08]
08098A6A: 4644    mov     r4, r8
08098A6C: 4020    and     r0, r4
08098A6E: 2800    cmp     r0, #0x00
08098A70: D005    beq     0x08098A7E
08098A72: 2180    mov     r1, #0x80
08098A74: 0609    lsl     r1, r1, #0x18
08098A76: 6890    ldr     r0, [r2, #0x08]
08098A78: 4008    and     r0, r1
08098A7A: 2800    cmp     r0, #0x00
08098A7C: D1FB    bne     0x08098A76

08098A7E: 8838    ldrh    r0, [r7]
08098A80: 3801    sub     r0, #0x01
08098A82: 8038    strh    r0, [r7]
08098A84: 4662    mov     r2, r12
08098A86: 8838    ldrh    r0, [r7]
08098A88: 2800    cmp     r0, #0x00
08098A8A: D1C4    bne     0x08098A16

08098A8C: 4914    ldr     r1, =#0x0000475A
08098A8E: 1870    add     r0, r6, r1
08098A90: 7801    ldrb    r1, [r0]
08098A92: 2900    cmp     r1, #0x00
08098A94: D118    bne     0x08098AC8
08098A96: 4668    mov     r0, sp
08098A98: 8001    strh    r1, [r0]
08098A9A: 8800    ldrh    r0, [r0]
08098A9C: 287F    cmp     r0, #0x7F
08098A9E: D813    bhi     0x08098AC8
08098AA0: 4D12    ldr     r5, =#0xFFFFF000
08098AA2: 4C13    ldr     r4, =#0xFFFFFC00
08098AA4: 466B    mov     r3, sp
08098AA6: 1C32    add     r2, r6, #0x0
08098AA8: 3284    add     r2, #0x84
08098AAA: 8811    ldrh    r1, [r2]
08098AAC: 1C28    add     r0, r5, #0x0
08098AAE: 4008    and     r0, r1
08098AB0: 8010    strh    r0, [r2]
08098AB2: 8851    ldrh    r1, [r2, #0x02]
08098AB4: 1C20    add     r0, r4, #0x0
08098AB6: 4008    and     r0, r1
08098AB8: 8050    strh    r0, [r2, #0x02]
08098ABA: 8818    ldrh    r0, [r3]
08098ABC: 3001    add     r0, #0x01
08098ABE: 8018    strh    r0, [r3]
08098AC0: 3288    add     r2, #0x88
08098AC2: 8818    ldrh    r0, [r3]
08098AC4: 287F    cmp     r0, #0x7F
08098AC6: D9F0    bls     0x08098AAA
08098AC8: 4B0A    ldr     r3, =#0x00004418
08098ACA: 18F2    add     r2, r6, r3
08098ACC: 2488    mov     r4, #0x88
08098ACE: 01E4    lsl     r4, r4, #0x7
08098AD0: 1931    add     r1, r6, r4
08098AD2: 6810    ldr     r0, [r2]
08098AD4: 4288    cmp     r0, r1
08098AD6: D111    bne     0x08098AFC
08098AD8: 4907    ldr     r1, =#0x0000440C
08098ADA: 1870    add     r0, r6, r1
08098ADC: E00F    b       0x08098AFE
08098ADE: 0000    lsl     r0, r0, #0x0
08098AE0: 475A    bx      r11
08098AE2: 0000    lsl     r0, r0, #0x0
08098AE4: 00D4    lsl     r4, r2, #0x3
08098AE6: 0400    lsl     r0, r0, #0x10
08098AE8: 0020    lsl     r0, r4, #0x0
08098AEA: 8000    strh    r0, [r0]
08098AEC: F000    bl       
08098AEE: FFFF    bl      0x08099AEE
08098AF0: FC00    bl      0x080982F2
08098AF2: FFFF    bl      0x07C99AF2
08098AF4: 4418    add     r0, r3
08098AF6: 0000    lsl     r0, r0, #0x0
08098AF8: 440C    add     r4, r1
08098AFA: 0000    lsl     r0, r0, #0x0
08098AFC: 1C08    add     r0, r1, #0x0
08098AFE: 6010    str     r0, [r2]
08098B00: 4A07    ldr     r2, =#0x00004418
08098B02: 18B0    add     r0, r6, r2
08098B04: 6800    ldr     r0, [r0]
08098B06: 2100    mov     r1, #0x00
08098B08: 7241    strb    r1, [r0, #0x09]
08098B0A: 4B06    ldr     r3, =#0x0000475A
08098B0C: 18F0    add     r0, r6, r3
08098B0E: 7001    strb    r1, [r0]
08098B10: B001    add     sp, #0x004
08098B12: BC18    pop     {r3, r4}
08098B14: 4698    mov     r8, r3
08098B16: 46A1    mov     r9, r4
08098B18: BCF0    pop     {r4, r5, r6, r7}
08098B1A: BC01    pop     {r0}
08098B1C: 4700    bx      r0

;DATA
;==================
;08098B1E: 0000    lsl     r0, r0, #0x0
;08098B20: 4418    add     r0, r3
;08098B22: 0000    lsl     r0, r0, #0x0
;08098B24: 475A    bx      r11
;08098B26: 0000    lsl     r0, r0, #0x0

$08098B28 - (#$15 smaller DMAs with Gaps)

r0 contains a DMA Source Address.

r1 contains a DMA Destination Address.

  1. $15 (twenty-one) DMAs are executed here, but after each time, the destination address gets #$40 added, while the Source address gets #$3C added, so each time, a 4 byte gap is created.
08098B28: B570    push    {r4, r5, r6, lr}
08098B2A: B081    add     sp, #-0x004		; Add Entry on Stack (Used as counter)
08098B2C: 1C03    add     r3, r0, #0x0
08098B2E: 1C0E    add     r6, r1, #0x0
08098B30: 4669    mov     r1, sp
08098B32: 2000    mov     r0, #0x00
08098B34: 8008    strh    r0, [r1]		; Clear newly add Stack Entry (Set up Counter)
08098B36: 4668    mov     r0, sp
08098B38: 8800    ldrh    r0, [r0]
08098B3A: 2814    cmp     r0, #0x14
08098B3C: D819    bhi     0x08098B72
08098B3E: 4C0F    ldr     r4, =#0x040000D4
08098B40: 466D    mov     r5, sp

08098B42: 6023    str     r3, [r4]		; Setup DMA Source Address
08098B44: 6066    str     r6, [r4, #0x04]	; Setup DMA Destination Address
08098B46: 480E    ldr     r0, =#0x8000001E	; Transfer #$1E Double Bytes
08098B48: 60A0    str     r0, [r4, #0x08]
08098B4A: 68A0    ldr     r0, [r4, #0x08]
08098B4C: 68A0    ldr     r0, [r4, #0x08]
08098B4E: 2280    mov     r2, #0x80
08098B50: 0612    lsl     r2, r2, #0x18
08098B52: 333C    add     r3, #0x3C		; Add #$3C to Source Address
08098B54: 1C31    add     r1, r6, #0x0
08098B56: 3140    add     r1, #0x40		; Add #$40 to Destination Address
08098B58: 2800    cmp     r0, #0x00
08098B5A: DA03    bge     0x08098B64		; Branch if the DMA is completed

08098B5C: 68A0    ldr     r0, [r4, #0x08]
08098B5E: 4010    and     r0, r2
08098B60: 2800    cmp     r0, #0x00
08098B62: D1FB    bne     0x08098B5C		; Loop if the DMA is not completed

08098B64: 1C0E    add     r6, r1, #0x0		; Transfer modified Destination address back to r6
08098B66: 8828    ldrh    r0, [r5]
08098B68: 3001    add     r0, #0x01		; Increment Loop counter
08098B6A: 8028    strh    r0, [r5]
08098B6C: 8828    ldrh    r0, [r5]
08098B6E: 2814    cmp     r0, #0x14		; Has Loop counter SURPASSED #$14? Loop if not.
08098B70: D9E7    bls     0x08098B42

08098B72: B001    add     sp, #0x004		; Restore registers and Stack, Exit
08098B74: BC70    pop     {r4, r5, r6}
08098B76: BC01    pop     {r0}
08098B78: 4700    bx      r0

;08098B7A: 0000    lsl     r0, r0, #0x0
;08098B7C: 00D4    lsl     r4, r2, #0x3
;08098B7E: 0400    lsl     r0, r0, #0x10
;08098B80: 001E    lsl     r6, r3, #0x0
;08098B82: 8000    strh    r0, [r0]

$08098B84 - (#$15 smaller DMAs with Gaps)

r0 contains a DMA Source Address.

r1 contains a DMA Destination Address.

$15 (twenty-one) DMAs are executed here, but after each time, the destination address gets #$20 added, while the Source address gets #$1E added, so each time, a 2 byte gap is created.

Maybe used for Palettes?

08098B84: B570    push    {r4, r5, r6, lr}
08098B86: B081    add     sp, #-0x004			; Add 4 bytes to stack (used as Loop Counter)

08098B88: 1C03    add     r3, r0, #0x0
08098B8A: 1C0E    add     r6, r1, #0x0
08098B8C: 4669    mov     r1, sp
08098B8E: 2000    mov     r0, #0x00
08098B90: 8008    strh    r0, [r1]			; Clear newly added 4 bytes on stack (Setup Loop Counter)
08098B92: 4668    mov     r0, sp
08098B94: 8800    ldrh    r0, [r0]
08098B96: 2814    cmp     r0, #0x14
08098B98: D819    bhi     0x08098BCE			; Branch and exit if the Loop Counter SURPASSED #$14
08098B9A: 4C0F    ldr     r4, =#0x040000D4
08098B9C: 466D    mov     r5, sp

08098B9E: 6023    str     r3, [r4]			; Setup DMA Source Address
08098BA0: 6066    str     r6, [r4, #0x04]		; Setup DMA Destination Address
08098BA2: 480E    ldr     r0, =#0x8000000F
08098BA4: 60A0    str     r0, [r4, #0x08]		; Activate DMA, transfer #$0F Doublebytes
08098BA6: 68A0    ldr     r0, [r4, #0x08]
08098BA8: 68A0    ldr     r0, [r4, #0x08]
08098BAA: 2280    mov     r2, #0x80
08098BAC: 0612    lsl     r2, r2, #0x18
08098BAE: 331E    add     r3, #0x1E			; Add #$1E to Source Address
08098BB0: 1C31    add     r1, r6, #0x0
08098BB2: 3120    add     r1, #0x20			; Add #$20 to Destination Address
08098BB4: 2800    cmp     r0, #0x00
08098BB6: DA03    bge     0x08098BC0			; Branch if the DMA is completed

08098BB8: 68A0    ldr     r0, [r4, #0x08]
08098BBA: 4010    and     r0, r2
08098BBC: 2800    cmp     r0, #0x00
08098BBE: D1FB    bne     0x08098BB8			; Loop if the DMA is not completed

08098BC0: 1C0E    add     r6, r1, #0x0			; Transfer newly calculated Destination Address back
08098BC2: 8828    ldrh    r0, [r5]
08098BC4: 3001    add     r0, #0x01			; Increment Loop counter
08098BC6: 8028    strh    r0, [r5]
08098BC8: 8828    ldrh    r0, [r5]
08098BCA: 2814    cmp     r0, #0x14			; Has the Loop Counter SURPASSED #$14?
08098BCC: D9E7    bls     0x08098B9E

08098BCE: B001    add     sp, #0x004
08098BD0: BC70    pop     {r4, r5, r6}
08098BD2: BC01    pop     {r0}
08098BD4: 4700    bx      r0

;DATA
;==================
;08098BD6: 0000    lsl     r0, r0, #0x0
;08098BD8: 00D4    lsl     r4, r2, #0x3
;08098BDA: 0400    lsl     r0, r0, #0x10
;08098BDC: 000F    lsl     r7, r1, #0x0
;08098BDE: 8000    strh    r0, [r0]

$08098BE0 - ?

08098BE0: B500    push    {lr}

08098BE2: 1C02    add     r2, r0, #0x0
08098BE4: 1C11    add     r1, r2, #0x0
08098BE6: 3180    add     r1, #0x80
08098BE8: 7808    ldrb    r0, [r1]
08098BEA: 2819    cmp     r0, #0x19
08098BEC: D807    bhi     0x08098BFE

08098BEE: 4805    ldr     r0, =#0x086993A8
08098BF0: 7809    ldrb    r1, [r1]
08098BF2: 0089    lsl     r1, r1, #0x2
08098BF4: 1809    add     r1, r1, r0
08098BF6: 6809    ldr     r1, [r1]
08098BF8: 1C10    add     r0, r2, #0x0
08098BFA: F027    bl       
08098BFC: FCB5    bl      0x080C0568

08098BFE: BC01    pop     {r0}
08098C00: 4700    bx      r0

;08098C02: 0000    lsl     r0, r0, #0x0
;08098C04: 93A8    str     r3, [sp, #0x2A0]
;08098C06: 0869    lsr     r1, r5, #0x1

$08098C08 - ?

08098C08: B510    push    {r4, lr}
08098C0A: 1C04    add     r4, r0, #0x0
08098C0C: F003    bl       
08098C0E: FD34    bl      0x0809C678
08098C10: 1C20    add     r0, r4, #0x0
08098C12: 2101    mov     r1, #0x01
08098C14: F000    bl       
08098C16: FFD0    bl      0x08099BB8
08098C18: BC10    pop     {r4}
08098C1A: BC01    pop     {r0}
08098C1C: 4700    bx      r0
;08098C1E: 0000    lsl     r0, r0, #0x0

$08098C20 - ?

08098C20: B510    push    {r4, lr}
08098C22: 1C04    add     r4, r0, #0x0
08098C24: F003    bl       
08098C26: FD28    bl      0x0809C678
08098C28: 480A    ldr     r0, =#0x0202DE30
08098C2A: 490B    ldr     r1, =#0x0000489E
08098C2C: 1840    add     r0, r0, r1		; r0 = #$020326CE
08098C2E: 8801    ldrh    r1, [r0]
08098C30: 3901    sub     r1, #0x01
08098C32: 8001    strh    r1, [r0]		; Decrement Double Byte in $020326CE
08098C34: 0409    lsl     r1, r1, #0x10
08098C36: 1409    asr     r1, r1, #0x10
08098C38: 2001    mov     r0, #0x01
08098C3A: 4240    neg     r0, r0		; r0 = #$FFFFFFFE(?)
08098C3C: 4281    cmp     r1, r0		; Is Double Byte
08098C3E: D106    bne     0x08098C4E		; Exit if not equal
08098C40: 1C20    add     r0, r4, #0x0
08098C42: 2102    mov     r1, #0x02
08098C44: F000    bl       
08098C46: FFB8    bl      0x08099BB8
08098C48: 2040    mov     r0, #0x40
08098C4A: F7C2    bl       
08098C4C: FC8B    bl      0x0805B564
08098C4E: BC10    pop     {r4}
08098C50: BC01    pop     {r0}
08098C52: 4700    bx      r0

;DATA
;=================
;08098C54: DE30    ???      
;08098C56: 0202    lsl     r2, r0, #0x8
;08098C58: 489E    ldr     r0, =#0x000048A3
;08098C5A: 0000    lsl     r0, r0, #0x0

$080997A8 - ?

080997A8: B530    push    {r4, r5, lr}

080997AA: 1C05    add     r5, r0, #0x0
080997AC: 1C0C    add     r4, r1, #0x0
080997AE: 1C20    add     r0, r4, #0x0
080997B0: F000    bl       
080997B2: F9C6    bl      0x08099B40
080997B4: 7B21    ldrb    r1, [r4, #0x0C]
080997B6: 2002    mov     r0, #0x02
080997B8: 4008    and     r0, r1
080997BA: 2800    cmp     r0, #0x00
080997BC: D00E    beq     0x080997DC
080997BE: 1C2A    add     r2, r5, #0x0
080997C0: 3280    add     r2, #0x80
080997C2: 7810    ldrb    r0, [r2]
080997C4: 2819    cmp     r0, #0x19
080997C6: D809    bhi     0x080997DC
080997C8: 4909    ldr     r1, =#0x08699410
080997CA: 0080    lsl     r0, r0, #0x2
080997CC: 1840    add     r0, r0, r1
080997CE: 6802    ldr     r2, [r0]
080997D0: 2A00    cmp     r2, #0x00
080997D2: D003    beq     0x080997DC
080997D4: 1C28    add     r0, r5, #0x0
080997D6: 1C21    add     r1, r4, #0x0
080997D8: F026    bl       
080997DA: FEC8    bl      0x080C056C ; bx r2
080997DC: 1C28    add     r0, r5, #0x0
080997DE: F000    bl       
080997E0: F9CF    bl      0x08099B80
080997E2: 8860    ldrh    r0, [r4, #0x02]
080997E4: 2800    cmp     r0, #0x00
080997E6: D105    bne     0x080997F4
080997E8: 6F28    ldr     r0, [r5, #0x70]
080997EA: 3001    add     r0, #0x01
080997EC: E003    b       0x080997F6
080997EE: 0000    lsl     r0, r0, #0x0
080997F0: 9410    str     r4, [sp, #0x040]
080997F2: 0869    lsr     r1, r5, #0x1
080997F4: 2000    mov     r0, #0x00
080997F6: 6728    str     r0, [r5, #0x70]

080997F8: BC30    pop     {r4, r5}
080997FA: BC01    pop     {r0}
080997FC: 4700    bx      r0

;080997FE: 0000    lsl     r0, r0, #0x0

$08099B40 - (Register inspection of $020326D0 and $0202E2D0)

08099B40: B500    push    {lr}

08099B42: 1C02    add     r2, r0, #0x0
08099B44: 4905    ldr     r1, =#0x0202DE30
08099B46: 4B06    ldr     r3, =#0x000048A0
08099B48: 18C8    add     r0, r1, r3
08099B4A: 7800    ldrb    r0, [r0]			; Load #$020326D0
08099B4C: 2800    cmp     r0, #0x00
08099B4E: D009    beq     0x08099B64			; Branch if $020326D0 = #$00
08099B50: 2800    cmp     r0, #0x00
08099B52: DB13    blt     0x08099B7C			; Exit if $020326D0 is negative
08099B54: 2804    cmp     r0, #0x04
08099B56: DC11    bgt     0x08099B7C			; Exit if $020326D0 > #$04
08099B58: E00A    b       0x08099B70			; Branch if $020326D0 = {#$01, #$02, #$03}

;08099B5A: 0000    lsl     r0, r0, #0x0
;08099B5C: DE30    ???      
;08099B5E: 0202    lsl     r2, r0, #0x8
;08099B60: 48A0    ldr     r0, =#0x0000489C
;08099B62: 0000    lsl     r0, r0, #0x0

08099B64: 2394    mov     r3, #0x94			; $020326D0 = #$00
08099B66: 005B    lsl     r3, r3, #0x1
08099B68: 18C8    add     r0, r1, r3
08099B6A: 8800    ldrh    r0, [r0]			; Load $0202E2D0
08099B6C: 2801    cmp     r0, #0x01
08099B6E: D105    bne     0x08099B7C			; Exit if $0202E2D0 <> #$01

08099B70: 8850    ldrh    r0, [r2, #0x02]		; $020326D0 = {#$01, #$02, #$03}
08099B72: 280F    cmp     r0, #0x0F
08099B74: D102    bne     0x08099B7C
08099B76: 20FF    mov     r0, #0xFF
08099B78: F025    bl       
08099B7A: FF22    bl      0x080BF9C0

08099B7C: BC01    pop     {r0}
08099B7E: 4700    bx      r0

$08099B80 - ?

08099B80: B500    push    {lr}

08099B82: 1C03    add     r3, r0, #0x0
08099B84: 3080    add     r0, #0x80
08099B86: 7800    ldrb    r0, [r0]
08099B88: 2804    cmp     r0, #0x04
08099B8A: D112    bne     0x08099BB2
08099B8C: 1C1A    add     r2, r3, #0x0
08099B8E: 3274    add     r2, #0x74
08099B90: 8810    ldrh    r0, [r2]
08099B92: 2804    cmp     r0, #0x04
08099B94: D10D    bne     0x08099BB2
08099B96: 6ED9    ldr     r1, [r3, #0x6C]
08099B98: 2096    mov     r0, #0x96
08099B9A: 0080    lsl     r0, r0, #0x2
08099B9C: 4281    cmp     r1, r0
08099B9E: D908    bls     0x08099BB2
08099BA0: 2100    mov     r1, #0x00
08099BA2: 8011    strh    r1, [r2]
08099BA4: 3202    add     r2, #0x02
08099BA6: 2002    mov     r0, #0x02
08099BA8: 8010    strh    r0, [r2]
08099BAA: 66D9    str     r1, [r3, #0x6C]
08099BAC: 2045    mov     r0, #0x45
08099BAE: F7C1    bl       
08099BB0: FCD9    bl      0x0805B564

08099BB2: BC01    pop     {r0}
08099BB4: 4700    bx      r0

;08099BB6: 0000    lsl     r0, r0, #0x0

$08099BB8 - Jump to Subroutine Address Table Entry

Besides some other settings, this subroutine jumps to a subroutine at the Subroutine Address Table at $0869948C. That table is really big (about three hundred entries).

r0 contains an address. (In Intro, it's $0202DE44 and seems to always stay the same everafter)

r1 contains the number of the Table Entry where to jump.

08099BB8: B5F0    push    {r4, r5, r6, r7, lr}

08099BBA: 1C06    add     r6, r0, #0x0			; Copy r0 in r6
08099BBC: 0409    lsl     r1, r1, #0x10
08099BBE: 0C09    lsr     r1, r1, #0x10
08099BC0: 008F    lsl     r7, r1, #0x2			; Remove Upper Double Byte from Table Entry, multiply by 4 (each address is 4 bytes in size)
08099BC2: 4C13    ldr     r4, =#0x080C2560
08099BC4: 193C    add     r4, r7, r4			; r4 is now the selected Jump Table's Entries address
08099BC6: 3080    add     r0, #0x80
08099BC8: 2200    mov     r2, #0x00
08099BCA: 7001    strb    r1, [r0]			; Store Table Entry number in Orig. r0 + #$80
08099BCC: 66F2    str     r2, [r6, #0x6C]		; Clear Orig. r0 + #$6C (4 byteS)
08099BCE: 6732    str     r2, [r6, #0x70]		; Clear Orig. r0 + #$6C (4 byteS)
08099BD0: 6822    ldr     r2, [r4]			; Load value from first Table's Entry
08099BD2: 07D2    lsl     r2, r2, #0x1F
08099BD4: 1C35    add     r5, r6, #0x0
08099BD6: 3584    add     r5, #0x84
08099BD8: 0FD2    lsr     r2, r2, #0x1F		; From the first loaded entry, r2 only contains the lowest bit
08099BDA: 782B    ldrb    r3, [r5]			; r3 = [Orig. r0 + #$84]
08099BDC: 2002    mov     r0, #0x02
08099BDE: 4240    neg     r0, r0
08099BE0: 4018    and     r0, r3			; Remove bit 0 from loaded value
08099BE2: 4302    orr     r2, r0			; Add first loaded bit
08099BE4: 702A    strb    r2, [r5]			; Store back
08099BE6: 6823    ldr     r3, [r4]			; Load first value again.
08099BE8: 2002    mov     r0, #0x02
08099BEA: 4003    and     r3, r0
08099BEC: 3805    sub     r0, #0x05
08099BEE: 4002    and     r2, r0
08099BF0: 431A    orr     r2, r3
08099BF2: 207F    mov     r0, #0x7F
08099BF4: 4002    and     r2, r0
08099BF6: 702A    strb    r2, [r5]
08099BF8: 2919    cmp     r1, #0x19
08099BFA: D805    bhi     0x08099C08
08099BFC: 4805    ldr     r0, =#0x0869948C
08099BFE: 1838    add     r0, r7, r0		; Add Table Entry Number *4 to the Table Offset
08099C00: 6801    ldr     r1, [r0]		; Load address in r1
08099C02: 1C30    add     r0, r6, #0x0		; r0 = Orig. r0
08099C04: F026    bl       
08099C06: FCB0    bl      0x080C0568		; bx r1

08099C08: BCF0    pop     {r4, r5, r6, r7}
08099C0A: BC01    pop     {r0}
08099C0C: 4700    bx      r0

;08099C0E: 0000    lsl     r0, r0, #0x0
;08099C10: 2560    mov     r5, #0x60
;08099C12: 080C    lsr     r4, r1, #0x0
;08099C14: 948C    str     r4, [sp, #0x230]
;08099C16: 0869    lsr     r1, r5, #0x1

$08099C18 - (Subroutine Address Table Entry #$005)

Stores #$003F in $020326CC/D and #$001E in $020326CE/F.

08099C18: 4905 ldr r1, =#0x0202DE30
08099C1A: 4806 ldr r0, =#0x0000489C
08099C1C: 180A add r2, r1, r0
08099C1E: 8810 ldrh r0, [r2]			; $020326CC
08099C20: 203F mov r0, #0x3F
08099C22: 8010 strh r0, [r2]
08099C24: 4804 ldr r0, =#0x0000489E
08099C26: 1809 add r1, r1, r0
08099C28: 201E mov r0, #0x1E
08099C2A: 8008 strh r0, [r1]			; $020326CE
08099C2C: 4770 bx lr

;08099C2E: 0000 lsl r0, r0, #0x0
;08099C30: DE30 ???
;08099C32: 0202 lsl r2, r0, #0x8
;08099C34: 489C ldr r0, =#0x20028008
;08099C36: 0000 lsl r0, r0, #0x0
;08099C38: 489E ldr r0, =#0x0202DE30
;08099C3A: 0000 lsl r0, r0, #0x0

$08099C3C - (Subroutine Address Table Entry #$006)

08099C3C: B530 push {r4, r5, lr}

08099C3E: 1C02 add r2, r0, #0x0
08099C40: 4C18 ldr r4, =#0x0202DE30
08099C42: 4819 ldr r0, =#0x0000489C
08099C44: 1821 add r1, r4, r0			; r1 = #$020326CC
08099C46: 8808 ldrh r0, [r1]
08099C48: 2500 mov r5, #0x00
08099C4A: 203F mov r0, #0x3F
08099C4C: 8008 strh r0, [r1]			; Set $020326CC/D to #$003F
08099C4E: 4817 ldr r0, =#0x0000489E
08099C50: 1821 add r1, r4, r0
08099C52: 201E mov r0, #0x1E
08099C54: 8008 strh r0, [r1]			; Set $020326CE/F to #$001E
08099C56: 1C10 add r0, r2, #0x0
08099C58: 3078 add r0, #0x78
08099C5A: 8005 strh r5, [r0]
08099C5C: 3002 add r0, #0x02
08099C5E: 8005 strh r5, [r0]
08099C60: 3284 add r2, #0x84
08099C62: 7810 ldrb r0, [r2]
08099C64: 2104 mov r1, #0x04
08099C66: 4308 orr r0, r1
08099C68: 2108 mov r1, #0x08
08099C6A: 4308 orr r0, r1
08099C6C: 2110 mov r1, #0x10
08099C6E: 4308 orr r0, r1
08099C70: 2120 mov r1, #0x20
08099C72: 4308 orr r0, r1
08099C74: 7010 strb r0, [r2]
08099C76: 6821 ldr r1, [r4]			; Load the Address in $0202DE30
08099C78: 8808 ldrh r0, [r1]
08099C7A: 2094 mov r0, #0x94
08099C7C: 0080 lsl r0, r0, #0x2
08099C7E: 8008 strh r0, [r1]			; Store #$0250 in that address
08099C80: 6821 ldr r1, [r4]			; Load the Address in $0202DE30
08099C82: 8848 ldrh r0, [r1, #0x02]
08099C84: 480A ldr r0, =#0x00001002
08099C86: 8048 strh r0, [r1, #0x02]		; Store #$1002 two bytes further
08099C88: 6820 ldr r0, [r4]
08099C8A: 8881 ldrh r1, [r0, #0x04]
08099C8C: 8085 strh r5, [r0, #0x04]		; Store #$0000 in the next two bytes further
08099C8E: F002 bl
08099C90: FCF3 bl 0x0809C678			; ?
08099C92: 2000 mov r0, #0x00
08099C94: F7FD bl
08099C96: FE0E bl 0x080978B4			; ?
08099C98: 6820 ldr r0, [r4]			; Load the Address in $0202DE30
08099C9A: 8901 ldrh r1, [r0, #0x08]
08099C9C: 8105 strh r5, [r0, #0x08]		; Store #$0000 eight bytes further

08099C9E: BC30 pop {r4, r5}
08099CA0: BC01 pop {r0}
08099CA2: 4700 bx r0

;08099CA4: DE30 ???
;08099CA6: 0202 lsl r2, r0, #0x8
;08099CA8: 489C ldr r0, =#0xF0022200
;08099CAA: 0000 lsl r0, r0, #0x0
;08099CAC: 489E ldr r0, =#0x21007801
;08099CAE: 0000 lsl r0, r0, #0x0
;08099CB0: 1002 asr r2, r0, #0x0
;08099CB2: 0000 lsl r0, r0, #0x0

$0809B620 - ?

0809B620: B5F0    push    {r4, r5, r6, r7, lr}
0809B622: 4684    mov     r12, r0
0809B624: 1C0C    add     r4, r1, #0x0
0809B626: 1C15    add     r5, r2, #0x0
0809B628: 9805    ldr     r0, [sp, #0x014]
0809B62A: 0400    lsl     r0, r0, #0x10
0809B62C: 0C01    lsr     r1, r0, #0x10
0809B62E: 1C0A    add     r2, r1, #0x0
0809B630: 88A7    ldrh    r7, [r4, #0x04]
0809B632: 682E    ldr     r6, [r5]
0809B634: 4805    ldr     r0, =#0x0000FBFF
0809B636: 4281    cmp     r1, r0
0809B638: D047    beq     0x0809B6CA
0809B63A: 4281    cmp     r1, r0
0809B63C: DC0C    bgt     0x0809B658
0809B63E: 4804    ldr     r0, =#0x0000F8FF
0809B640: 4281    cmp     r1, r0
0809B642: D036    beq     0x0809B6B2
0809B644: 4803    ldr     r0, =#0x0000FAFF
0809B646: 4281    cmp     r1, r0
0809B648: D024    beq     0x0809B694
0809B64A: E03E    b       0x0809B6CA

;0809B64C: FBFF    bl      0x080D9E4C
;0809B64E: 0000    lsl     r0, r0, #0x0
;0809B650: F8FF    bl      0x0809B850
;0809B652: 0000    lsl     r0, r0, #0x0
;0809B654: FAFF    bl      0x0809BC54
;0809B656: 0000    lsl     r0, r0, #0x0

0809B658: 4806    ldr     r0, =#0x0000FDFF
0809B65A: 4282    cmp     r2, r0
0809B65C: D00E    beq     0x0809B67C
0809B65E: 4282    cmp     r2, r0
0809B660: DD33    ble     0x0809B6CA
0809B662: 4805    ldr     r0, =#0x0000FEFF
0809B664: 4282    cmp     r2, r0
0809B666: D130    bne     0x0809B6CA
0809B668: 801F    strh    r7, [r3]
0809B66A: 8858    ldrh    r0, [r3, #0x02]
0809B66C: 3010    add     r0, #0x10
0809B66E: 8058    strh    r0, [r3, #0x02]
0809B670: E02B    b       0x0809B6CA

;0809B672: 0000    lsl     r0, r0, #0x0
;0809B674: FDFF    bl      0x0809C274
;0809B676: 0000    lsl     r0, r0, #0x0
;0809B678: FEFF    bl      0x0809C478
;0809B67A: 0000    lsl     r0, r0, #0x0

0809B67C: 8871    ldrh    r1, [r6, #0x02]
0809B67E: 4803    ldr     r0, =#0x00000257
0809B680: 4281    cmp     r1, r0
0809B682: D812    bhi     0x0809B6AA
0809B684: 4802    ldr     r0, =#0x00004758
0809B686: 4460    add     r0, r12
0809B688: 8001    strh    r1, [r0]
0809B68A: E00E    b       0x0809B6AA

;0809B68C: 0257    lsl     r7, r2, #0x9
;0809B68E: 0000    lsl     r0, r0, #0x0
;0809B690: 4758    bx      r11
;0809B692: 0000    lsl     r0, r0, #0x0

0809B694: 8870    ldrh    r0, [r6, #0x02]
0809B696: 280F    cmp     r0, #0x0F
0809B698: D817    bhi     0x0809B6CA
0809B69A: 210F    mov     r1, #0x0F
0809B69C: 4001    and     r1, r0
0809B69E: 7AE2    ldrb    r2, [r4, #0x0B]
0809B6A0: 2010    mov     r0, #0x10
0809B6A2: 4240    neg     r0, r0
0809B6A4: 4010    and     r0, r2
0809B6A6: 4308    orr     r0, r1
0809B6A8: 72E0    strb    r0, [r4, #0x0B]
0809B6AA: 6828    ldr     r0, [r5]
0809B6AC: 3002    add     r0, #0x02
0809B6AE: 6028    str     r0, [r5]
0809B6B0: E00B    b       0x0809B6CA
0809B6B2: 4907    ldr     r1, =#0x020323BC
0809B6B4: 20C0    mov     r0, #0xC0
0809B6B6: 0080    lsl     r0, r0, #0x2
0809B6B8: 180A    add     r2, r1, r0
0809B6BA: 4B06    ldr     r3, =#0x00000302
0809B6BC: 18C9    add     r1, r1, r3
0809B6BE: 8808    ldrh    r0, [r1]
0809B6C0: 8813    ldrh    r3, [r2]
0809B6C2: 18C0    add     r0, r0, r3
0809B6C4: 8010    strh    r0, [r2]
0809B6C6: 2001    mov     r0, #0x01
0809B6C8: 8008    strh    r0, [r1]
0809B6CA: BCF0    pop     {r4, r5, r6, r7}
0809B6CC: BC01    pop     {r0}
0809B6CE: 4700    bx      r0

;0809B6D0: 23BC    mov     r3, #0xBC
;0809B6D2: 0203    lsl     r3, r0, #0x8
;0809B6D4: 0302    lsl     r2, r0, #0xC
;0809B6D6: 0000    lsl     r0, r0, #0x0

$0809B2A4 - Jump to 0809B2B0

Really does nothing else

0809B2A4: B500    push    {lr}
0809B2A6: F000    bl       
0809B2A8: F803    bl      0x0809B2B0
0809B2AA: BC01    pop     {r0}
0809B2AC: 4700    bx      r0

;0809B2AE: 0000    lsl     r0, r0, #0x0

$0809B2B0 - (Intro Text related?)

$06014000 is the address in VRAM where the Signs shown in the intro are stored

0809B2B0: B5F0    push    {r4, r5, r6, r7, lr}
0809B2B2: 4657    mov     r7, r10
0809B2B4: 464E    mov     r6, r9
0809B2B6: 4645    mov     r5, r8
0809B2B8: B4E0    push    {r5, r6, r7}
0809B2BA: B093    add     sp, #-0x04C

0809B2BC: 9004    str     r0, [sp, #0x010]			; Store r0 on Stack
0809B2BE: 4A09    ldr     r2, =#0x0000475A
0809B2C0: 1881    add     r1, r0, r2
0809B2C2: 2000    mov     r0, #0x00
0809B2C4: 7008    strb    r0, [r1]					; Orig. r0 + #$475A = #$00
0809B2C6: 9B04    ldr     r3, [sp, #0x010]
0809B2C8: 4D07    ldr     r5, =#0x00004418
0809B2CA: 1958    add     r0, r3, r5
0809B2CC: 6800    ldr     r0, [r0]					; r0 = [Orig. r0 + #$4418]
0809B2CE: 6841    ldr     r1, [r0, #0x04]				; r1 = [ [Orig. r0 + #$4418] + #$04]
0809B2D0: 9105    str     r1, [sp, #0x014]			; Store on stack
0809B2D2: 4699    mov     r9, r3					; r9 = Orig. r0
0809B2D4: 4A05    ldr     r2, =#0x06014000
0809B2D6: 9206    str     r2, [sp, #0x018]			; Store on Stack
0809B2D8: 2380    mov     r3, #0x80
0809B2DA: 009B    lsl     r3, r3, #0x2				; r3 = #$0200
0809B2DC: 9309    str     r3, [sp, #0x024]			; Store on stack
0809B2DE: 2400    mov     r4, #0x00
0809B2E0: E18E    b       0x0809B600

;0809B2E2: 0000    lsl     r0, r0, #0x0
;0809B2E4: 475A    bx      r11
;0809B2E6: 0000    lsl     r0, r0, #0x0
;0809B2E8: 4418    add     r0, r3
;0809B2EA: 0000    lsl     r0, r0, #0x0
;0809B2EC: 4000    and     r0, r0
;0809B2EE: 0601    lsl     r1, r0, #0x18

0809B2F0: 9D05    ldr     r5, [sp, #0x014]
0809B2F2: 88AA    ldrh    r2, [r5, #0x04]
0809B2F4: 491C    ldr     r1, =#0xFFFF0000
0809B2F6: 9803    ldr     r0, [sp, #0x00C]
0809B2F8: 4008    and     r0, r1
0809B2FA: 4310    orr     r0, r2
0809B2FC: 9003    str     r0, [sp, #0x00C]
0809B2FE: 88EA    ldrh    r2, [r5, #0x06]
0809B300: 0412    lsl     r2, r2, #0x10
0809B302: 491A    ldr     r1, =#0x0000FFFF
0809B304: 4008    and     r0, r1
0809B306: 4310    orr     r0, r2
0809B308: 9003    str     r0, [sp, #0x00C]
0809B30A: 6828    ldr     r0, [r5]
0809B30C: 9002    str     r0, [sp, #0x008]
0809B30E: 2208    mov     r2, #0x08
0809B310: 5EA9    ldsh    r1, [r5, r2]
0809B312: F023    bl       
0809B314: FDBD    bl      0x080BEE90
0809B316: 0400    lsl     r0, r0, #0x10
0809B318: 0C00    lsr     r0, r0, #0x10
0809B31A: 9008    str     r0, [sp, #0x020]
0809B31C: 2300    mov     r3, #0x00
0809B31E: 9307    str     r3, [sp, #0x01C]
0809B320: 3401    add     r4, #0x01
0809B322: 940E    str     r4, [sp, #0x038]
0809B324: 350C    add     r5, #0x0C
0809B326: 9511    str     r5, [sp, #0x044]
0809B328: 4283    cmp     r3, r0
0809B32A: D300    bcc     0x0809B32E
0809B32C: E15F    b       0x0809B5EE
0809B32E: 9802    ldr     r0, [sp, #0x008]
0809B330: 8801    ldrh    r1, [r0]
0809B332: 0A0D    lsr     r5, r1, #0x8
0809B334: 20FF    mov     r0, #0xFF
0809B336: 4008    and     r0, r1
0809B338: 0200    lsl     r0, r0, #0x8
0809B33A: 4305    orr     r5, r0
0809B33C: 46AA    mov     r10, r5
0809B33E: 480C    ldr     r0, =#0x00000FFF
0809B340: 4582    cmp     r10, r0
0809B342: D917    bls     0x0809B374
0809B344: 464A    mov     r2, r9
0809B346: 3287    add     r2, #0x87
0809B348: 7810    ldrb    r0, [r2]
0809B34A: 2108    mov     r1, #0x08
0809B34C: 4308    orr     r0, r1
0809B34E: 7010    strb    r0, [r2]
0809B350: 9500    str     r5, [sp]
0809B352: 9804    ldr     r0, [sp, #0x010]
0809B354: 9905    ldr     r1, [sp, #0x014]
0809B356: AA02    add     r2, sp, #0x008
0809B358: AB03    add     r3, sp, #0x00C
0809B35A: F000    bl       
0809B35C: F961    bl      0x0809B620
0809B35E: 9907    ldr     r1, [sp, #0x01C]
0809B360: 3101    add     r1, #0x01
0809B362: 910F    str     r1, [sp, #0x03C]
0809B364: E137    b       0x0809B5D6

;0809B366: 0000    lsl     r0, r0, #0x0
;0809B368: 0000    lsl     r0, r0, #0x0
;0809B36A: FFFF    bl      0x0809C36A
;0809B36C: FFFF    bl      0x0809B36C
;0809B36E: 0000    lsl     r0, r0, #0x0
;0809B370: 0FFF    lsr     r7, r7, #0x1F
;0809B372: 0000    lsl     r0, r0, #0x0

0809B374: 2001    mov     r0, #0x01
0809B376: F001    bl       
0809B378: F837    bl      0x0809C3E8
0809B37A: 1C07    add     r7, r0, #0x0
0809B37C: AE03    add     r6, sp, #0x00C
0809B37E: 8832    ldrh    r2, [r6]
0809B380: 4B3F    ldr     r3, =#0x000001FF
0809B382: 1C18    add     r0, r3, #0x0
0809B384: 4002    and     r2, r0
0809B386: 8878    ldrh    r0, [r7, #0x02]
0809B388: 4D3E    ldr     r5, =#0xFFFFFE00
0809B38A: 1C29    add     r1, r5, #0x0
0809B38C: 4008    and     r0, r1
0809B38E: 4310    orr     r0, r2
0809B390: 8078    strh    r0, [r7, #0x02]
0809B392: 8870    ldrh    r0, [r6, #0x02]
0809B394: 7038    strb    r0, [r7]
0809B396: 797A    ldrb    r2, [r7, #0x05]
0809B398: 20F0    mov     r0, #0xF0
0809B39A: 4302    orr     r2, r0
0809B39C: 717A    strb    r2, [r7, #0x05]
0809B39E: 787B    ldrb    r3, [r7, #0x01]
0809B3A0: 213F    mov     r1, #0x3F
0809B3A2: 1C08    add     r0, r1, #0x0
0809B3A4: 4018    and     r0, r3
0809B3A6: 7078    strb    r0, [r7, #0x01]
0809B3A8: 78F8    ldrb    r0, [r7, #0x03]
0809B3AA: 4001    and     r1, r0
0809B3AC: 2040    mov     r0, #0x40
0809B3AE: 4301    orr     r1, r0
0809B3B0: 70F9    strb    r1, [r7, #0x03]
0809B3B2: 9905    ldr     r1, [sp, #0x014]
0809B3B4: 7AC8    ldrb    r0, [r1, #0x0B]
0809B3B6: 0680    lsl     r0, r0, #0x1A
0809B3B8: 0F80    lsr     r0, r0, #0x1E
0809B3BA: 0080    lsl     r0, r0, #0x2
0809B3BC: 230D    mov     r3, #0x0D
0809B3BE: 425B    neg     r3, r3
0809B3C0: 1C19    add     r1, r3, #0x0
0809B3C2: 400A    and     r2, r1
0809B3C4: 4302    orr     r2, r0
0809B3C6: 717A    strb    r2, [r7, #0x05]
0809B3C8: 464C    mov     r4, r9
0809B3CA: 3484    add     r4, #0x84
0809B3CC: 8822    ldrh    r2, [r4]
0809B3CE: 0515    lsl     r5, r2, #0x14
0809B3D0: 46A8    mov     r8, r5
0809B3D2: 464B    mov     r3, r9
0809B3D4: 3385    add     r3, #0x85
0809B3D6: 7818    ldrb    r0, [r3]
0809B3D8: 0900    lsr     r0, r0, #0x4
0809B3DA: 900A    str     r0, [sp, #0x028]
0809B3DC: 4648    mov     r0, r9
0809B3DE: 3086    add     r0, #0x86
0809B3E0: 9012    str     r0, [sp, #0x048]
0809B3E2: 8800    ldrh    r0, [r0]
0809B3E4: 0580    lsl     r0, r0, #0x16
0809B3E6: 0D80    lsr     r0, r0, #0x16
0809B3E8: 900B    str     r0, [sp, #0x02C]
0809B3EA: 4651    mov     r1, r10
0809B3EC: 4D26    ldr     r5, =#0x00000FFF
0809B3EE: 4029    and     r1, r5
0809B3F0: 4D26    ldr     r5, =#0xFFFFF000
0809B3F2: 1C28    add     r0, r5, #0x0
0809B3F4: 4002    and     r2, r0
0809B3F6: 430A    orr     r2, r1
0809B3F8: 8022    strh    r2, [r4]
0809B3FA: 9805    ldr     r0, [sp, #0x014]
0809B3FC: 7AC1    ldrb    r1, [r0, #0x0B]
0809B3FE: 0709    lsl     r1, r1, #0x1C
0809B400: 0E09    lsr     r1, r1, #0x18
0809B402: 781A    ldrb    r2, [r3]
0809B404: 200F    mov     r0, #0x0F
0809B406: 4010    and     r0, r2
0809B408: 4308    orr     r0, r1
0809B40A: 7018    strb    r0, [r3]
0809B40C: 464A    mov     r2, r9
0809B40E: 3287    add     r2, #0x87
0809B410: 7810    ldrb    r0, [r2]
0809B412: 2509    mov     r5, #0x09
0809B414: 426D    neg     r5, r5
0809B416: 1C29    add     r1, r5, #0x0
0809B418: 4008    and     r0, r1
0809B41A: 7010    strb    r0, [r2]
0809B41C: 8820    ldrh    r0, [r4]
0809B41E: 0500    lsl     r0, r0, #0x14
0809B420: 1C14    add     r4, r2, #0x0
0809B422: 469C    mov     r12, r3
0809B424: 9D12    ldr     r5, [sp, #0x048]
0809B426: 4540    cmp     r0, r8
0809B428: D136    bne     0x0809B498
0809B42A: 7818    ldrb    r0, [r3]
0809B42C: 0900    lsr     r0, r0, #0x4
0809B42E: 990A    ldr     r1, [sp, #0x028]
0809B430: 4288    cmp     r0, r1
0809B432: D131    bne     0x0809B498
0809B434: 9A09    ldr     r2, [sp, #0x024]
0809B436: 9B0B    ldr     r3, [sp, #0x02C]
0809B438: 429A    cmp     r2, r3
0809B43A: D12D    bne     0x0809B498
0809B43C: 4914    ldr     r1, =#0x000003FF
0809B43E: 1C08    add     r0, r1, #0x0
0809B440: 1C11    add     r1, r2, #0x0
0809B442: 4001    and     r1, r0
0809B444: 882A    ldrh    r2, [r5]
0809B446: 4813    ldr     r0, =#0xFFFFFC00
0809B448: 4010    and     r0, r2
0809B44A: 4308    orr     r0, r1
0809B44C: 8028    strh    r0, [r5]
0809B44E: 4910    ldr     r1, =#0x000003FF
0809B450: 9A09    ldr     r2, [sp, #0x024]
0809B452: 4011    and     r1, r2
0809B454: 88BA    ldrh    r2, [r7, #0x04]
0809B456: 480F    ldr     r0, =#0xFFFFFC00
0809B458: 4010    and     r0, r2
0809B45A: 4308    orr     r0, r1
0809B45C: 80B8    strh    r0, [r7, #0x04]
0809B45E: 7820    ldrb    r0, [r4]
0809B460: 2104    mov     r1, #0x04
0809B462: 4308    orr     r0, r1
0809B464: 7020    strb    r0, [r4]
0809B466: 464B    mov     r3, r9
0809B468: 3388    add     r3, #0x88
0809B46A: 930C    str     r3, [sp, #0x030]
0809B46C: 9D09    ldr     r5, [sp, #0x024]
0809B46E: 3502    add     r5, #0x02
0809B470: 9510    str     r5, [sp, #0x040]
0809B472: 9806    ldr     r0, [sp, #0x018]
0809B474: 3040    add     r0, #0x40
0809B476: 4680    mov     r8, r0
0809B478: 9907    ldr     r1, [sp, #0x01C]
0809B47A: 3101    add     r1, #0x01
0809B47C: 910F    str     r1, [sp, #0x03C]
0809B47E: E088    b       0x0809B592

;0809B480: 01FF    lsl     r7, r7, #0x7
;0809B482: 0000    lsl     r0, r0, #0x0
;0809B484: FE00    bl      0x0809C086
;0809B486: FFFF    bl      0x07E9C486
;0809B488: 0FFF    lsr     r7, r7, #0x1F
;0809B48A: 0000    lsl     r0, r0, #0x0
;0809B48C: F000    bl       
;0809B48E: FFFF    bl      0x0809C48E
;0809B490: 03FF    lsl     r7, r7, #0xF
;0809B492: 0000    lsl     r0, r0, #0x0
;0809B494: FC00    bl      0x0809BC96
;0809B496: FFFF    bl      0x07C9C496

0809B498: A901    add     r1, sp, #0x004
0809B49A: 2000    mov     r0, #0x00
0809B49C: 8008    strh    r0, [r1]
0809B49E: 4A2D    ldr     r2, =#0x040000D4
0809B4A0: 6011    str     r1, [r2]
0809B4A2: 4649    mov     r1, r9
0809B4A4: 3104    add     r1, #0x04
0809B4A6: 6051    str     r1, [r2, #0x04]
0809B4A8: 482B    ldr     r0, =#0x81000020
0809B4AA: 6090    str     r0, [r2, #0x08]
0809B4AC: 6890    ldr     r0, [r2, #0x08]
0809B4AE: 1C16    add     r6, r2, #0x0
0809B4B0: 6890    ldr     r0, [r2, #0x08]
0809B4B2: 2280    mov     r2, #0x80
0809B4B4: 0612    lsl     r2, r2, #0x18
0809B4B6: 910D    str     r1, [sp, #0x034]
0809B4B8: 464B    mov     r3, r9
0809B4BA: 3344    add     r3, #0x44
0809B4BC: 3184    add     r1, #0x84
0809B4BE: 910C    str     r1, [sp, #0x030]
0809B4C0: 9909    ldr     r1, [sp, #0x024]
0809B4C2: 3102    add     r1, #0x02
0809B4C4: 9110    str     r1, [sp, #0x040]
0809B4C6: 9906    ldr     r1, [sp, #0x018]
0809B4C8: 3140    add     r1, #0x40
0809B4CA: 4688    mov     r8, r1
0809B4CC: 9907    ldr     r1, [sp, #0x01C]
0809B4CE: 3101    add     r1, #0x01
0809B4D0: 910F    str     r1, [sp, #0x03C]
0809B4D2: 2800    cmp     r0, #0x00
0809B4D4: DA04    bge     0x0809B4E0
0809B4D6: 1C11    add     r1, r2, #0x0
0809B4D8: 68B0    ldr     r0, [r6, #0x08]
0809B4DA: 4008    and     r0, r1
0809B4DC: 2800    cmp     r0, #0x00
0809B4DE: D1FB    bne     0x0809B4D8
0809B4E0: A901    add     r1, sp, #0x004
0809B4E2: 2000    mov     r0, #0x00
0809B4E4: 8008    strh    r0, [r1]
0809B4E6: 4A1B    ldr     r2, =#0x040000D4
0809B4E8: 6011    str     r1, [r2]
0809B4EA: 6053    str     r3, [r2, #0x04]
0809B4EC: 481A    ldr     r0, =#0x81000020
0809B4EE: 6090    str     r0, [r2, #0x08]
0809B4F0: 6890    ldr     r0, [r2, #0x08]
0809B4F2: 6890    ldr     r0, [r2, #0x08]
0809B4F4: 2180    mov     r1, #0x80
0809B4F6: 0609    lsl     r1, r1, #0x18
0809B4F8: 2800    cmp     r0, #0x00
0809B4FA: DA03    bge     0x0809B504
0809B4FC: 6890    ldr     r0, [r2, #0x08]
0809B4FE: 4008    and     r0, r1
0809B500: 2800    cmp     r0, #0x00
0809B502: D1FB    bne     0x0809B4FC
0809B504: 4915    ldr     r1, =#0x000003FF
0809B506: 1C08    add     r0, r1, #0x0
0809B508: 9909    ldr     r1, [sp, #0x024]
0809B50A: 4001    and     r1, r0
0809B50C: 882A    ldrh    r2, [r5]
0809B50E: 4814    ldr     r0, =#0xFFFFFC00
0809B510: 4010    and     r0, r2
0809B512: 4308    orr     r0, r1
0809B514: 8028    strh    r0, [r5]
0809B516: 4811    ldr     r0, =#0x000003FF
0809B518: 9A09    ldr     r2, [sp, #0x024]
0809B51A: 4002    and     r2, r0
0809B51C: 88B9    ldrh    r1, [r7, #0x04]
0809B51E: 4810    ldr     r0, =#0xFFFFFC00
0809B520: 4008    and     r0, r1
0809B522: 4310    orr     r0, r2
0809B524: 80B8    strh    r0, [r7, #0x04]
0809B526: 9D06    ldr     r5, [sp, #0x018]
0809B528: 4648    mov     r0, r9
0809B52A: 6005    str     r5, [r0]
0809B52C: 7820    ldrb    r0, [r4]
0809B52E: 2205    mov     r2, #0x05
0809B530: 4252    neg     r2, r2
0809B532: 1C11    add     r1, r2, #0x0
0809B534: 4008    and     r0, r1
0809B536: 7020    strb    r0, [r4]
0809B538: 9D04    ldr     r5, [sp, #0x010]
0809B53A: 490A    ldr     r1, =#0x0000475B
0809B53C: 1868    add     r0, r5, r1
0809B53E: 7800    ldrb    r0, [r0]
0809B540: 2801    cmp     r0, #0x01
0809B542: D011    beq     0x0809B568
0809B544: 2802    cmp     r0, #0x02
0809B546: D01F    beq     0x0809B588
0809B548: 1C28    add     r0, r5, #0x0
0809B54A: 4649    mov     r1, r9
0809B54C: 4652    mov     r2, r10
0809B54E: F000    bl       
0809B550: F8C3    bl      0x0809B6D8
0809B552: E01E    b       0x0809B592

;0809B554: 00D4    lsl     r4, r2, #0x3
;0809B556: 0400    lsl     r0, r0, #0x10
;0809B558: 0020    lsl     r0, r4, #0x0
;0809B55A: 8100    strh    r0, [r0, #0x08]
;0809B55C: 03FF    lsl     r7, r7, #0xF
;0809B55E: 0000    lsl     r0, r0, #0x0
;0809B560: FC00    bl      0x0809BD62
;0809B562: FFFF    bl      0x07C9C562
;0809B564: 475B    bx      r11
;0809B566: 0000    lsl     r0, r0, #0x0

0809B568: 9A04    ldr     r2, [sp, #0x010]
0809B56A: 4D06    ldr     r5, =#0x00004754
0809B56C: 1950    add     r0, r2, r5
0809B56E: 6800    ldr     r0, [r0]
0809B570: 4662    mov     r2, r12
0809B572: 7811    ldrb    r1, [r2]
0809B574: 0909    lsr     r1, r1, #0x4
0809B576: 9100    str     r1, [sp]
0809B578: 990D    ldr     r1, [sp, #0x034]
0809B57A: 1C1A    add     r2, r3, #0x0
0809B57C: 4653    mov     r3, r10
0809B57E: F023    bl       
0809B580: FB2B    bl      0x080BEBD8
0809B582: E006    b       0x0809B592

;0809B584: 4754    bx      r10
;0809B586: 0000    lsl     r0, r0, #0x0

0809B588: 9804    ldr     r0, [sp, #0x010]
0809B58A: 4649    mov     r1, r9
0809B58C: 4652    mov     r2, r10
0809B58E: F000    bl       
0809B590: F8C9    bl      0x0809B724
0809B592: 9B04    ldr     r3, [sp, #0x010]
0809B594: 4D20    ldr     r5, =#0x0000475A
0809B596: 1959    add     r1, r3, r5
0809B598: 7808    ldrb    r0, [r1]
0809B59A: 3001    add     r0, #0x01
0809B59C: 7008    strb    r0, [r1]
0809B59E: 980C    ldr     r0, [sp, #0x030]
0809B5A0: 4681    mov     r9, r0
0809B5A2: 9A10    ldr     r2, [sp, #0x040]
0809B5A4: 0410    lsl     r0, r2, #0x10
0809B5A6: 0C00    lsr     r0, r0, #0x10
0809B5A8: 9009    str     r0, [sp, #0x024]
0809B5AA: 4643    mov     r3, r8
0809B5AC: 9306    str     r3, [sp, #0x018]
0809B5AE: 7808    ldrb    r0, [r1]
0809B5B0: 2110    mov     r1, #0x10
0809B5B2: F024    bl       
0809B5B4: F9FB    bl      0x080BF9AC		;  swi Div / add r0, r1, #0x0
0809B5B6: 2800    cmp     r0, #0x00
0809B5B8: D108    bne     0x0809B5CC
0809B5BA: 9809    ldr     r0, [sp, #0x024]
0809B5BC: 3020    add     r0, #0x20
0809B5BE: 0400    lsl     r0, r0, #0x10
0809B5C0: 0C00    lsr     r0, r0, #0x10
0809B5C2: 9009    str     r0, [sp, #0x024]
0809B5C4: 2580    mov     r5, #0x80
0809B5C6: 00ED    lsl     r5, r5, #0x3
0809B5C8: 4445    add     r5, r8
0809B5CA: 9506    str     r5, [sp, #0x018]
0809B5CC: 4669    mov     r1, sp
0809B5CE: 8988    ldrh    r0, [r1, #0x0C]
0809B5D0: 300C    add     r0, #0x0C
0809B5D2: A903    add     r1, sp, #0x00C
0809B5D4: 8008    strh    r0, [r1]
0809B5D6: 9A0F    ldr     r2, [sp, #0x03C]
0809B5D8: 0410    lsl     r0, r2, #0x10
0809B5DA: 0C00    lsr     r0, r0, #0x10
0809B5DC: 9007    str     r0, [sp, #0x01C]
0809B5DE: 9802    ldr     r0, [sp, #0x008]
0809B5E0: 3002    add     r0, #0x02
0809B5E2: 9002    str     r0, [sp, #0x008]
0809B5E4: 9B07    ldr     r3, [sp, #0x01C]
0809B5E6: 9D08    ldr     r5, [sp, #0x020]
0809B5E8: 42AB    cmp     r3, r5
0809B5EA: D200    bcs     0x0809B5EE
0809B5EC: E69F    b       0x0809B32E
0809B5EE: 990E    ldr     r1, [sp, #0x038]
0809B5F0: 0408    lsl     r0, r1, #0x10
0809B5F2: 0C04    lsr     r4, r0, #0x10
0809B5F4: 9A11    ldr     r2, [sp, #0x044]
0809B5F6: 9205    str     r2, [sp, #0x014]
0809B5F8: 9B04    ldr     r3, [sp, #0x010]
0809B5FA: 4D08    ldr     r5, =#0x00004418
0809B5FC: 1958    add     r0, r3, r5
0809B5FE: 6800    ldr     r0, [r0]
0809B600: 7A40    ldrb    r0, [r0, #0x09]		; r0 = [Orig. r0 + #$4418] + #$09
0809B602: 4284    cmp     r4, r0			; Is r0 = #$00?
0809B604: D200    bcs     0x0809B608
0809B606: E673    b       0x0809B2F0

0809B608: B013    add     sp, #0x04C
0809B60A: BC38    pop     {r3, r4, r5}
0809B60C: 4698    mov     r8, r3
0809B60E: 46A1    mov     r9, r4
0809B610: 46AA    mov     r10, r5
0809B612: BCF0    pop     {r4, r5, r6, r7}
0809B614: BC01    pop     {r0}
0809B616: 4700    bx      r0

;0809B618: 475A    bx      r11
;0809B61A: 0000    lsl     r0, r0, #0x0
;0809B61C: 4418    add     r0, r3
;0809B61E: 0000    lsl     r0, r0, #0x0

$0809B620 - ?

The first time this gets executed is in the "Story"-Intro sequence when the first line of text is written. This gets executed at least about thirty times before the next letter gets written, and it seems like it is called even in between text lines afterwards.

r1, r2, r3 contain addresses r2 is a address that points to an address r3 is a writable address

0809B620: B5F0    push    {r4, r5, r6, r7, lr}
0809B622: 4684    mov     r12, r0			; r12 = Orig. r12
0809B624: 1C0C    add     r4, r1, #0x0			; r4 = Orig. r1
0809B626: 1C15    add     r5, r2, #0x0			; r5 = Orig. r2
0809B628: 9805    ldr     r0, [sp, #0x014]		; r0 = Orig. r5
0809B62A: 0400    lsl     r0, r0, #0x10
0809B62C: 0C01    lsr     r1, r0, #0x10
0809B62E: 1C0A    add     r2, r1, #0x0			; r2 = r1 = Orig. r5 AND #$0000FFFF
0809B630: 88A7    ldrh    r7, [r4, #0x04]
0809B632: 682E    ldr     r6, [r5]
0809B634: 4805    ldr     r0, =#0x0000FBFF
0809B636: 4281    cmp     r1, r0
0809B638: D047    beq     0x0809B6CA			; Branch if Orig. r5 was #$xxxxFBFF
0809B63A: 4281    cmp     r1, r0
0809B63C: DC0C    bgt     0x0809B658			; Branch if Orig. r5 was greater than #$xxxxF8FF
0809B63E: 4804    ldr     r0, =#0x0000F8FF
0809B640: 4281    cmp     r1, r0
0809B642: D036    beq     0x0809B6B2			; Branch if Orig. r5 was #$xxxxF8FF
0809B644: 4803    ldr     r0, =#0x0000FAFF
0809B646: 4281    cmp     r1, r0
0809B648: D024    beq     0x0809B694			; Branch if Orig. r5 was #$xxxxFAFF
0809B64A: E03E    b       0x0809B6CA			; Exit if Orig. r5 was anything else

;0809B64C: FBFF    bl      0x080D9E4C
;0809B64E: 0000    lsl     r0, r0, #0x0
;0809B650: F8FF    bl      0x0809B850
;0809B652: 0000    lsl     r0, r0, #0x0
;0809B654: FAFF    bl      0x0809BC54
;0809B656: 0000    lsl     r0, r0, #0x0

; IF ORIG. r5 WAS GREATER THAN #$xxxxF8FF
0809B658: 4806    ldr     r0, =#0x0000FDFF
0809B65A: 4282    cmp     r2, r0
0809B65C: D00E    beq     0x0809B67C			; Branch if Orig. r5 was #$xxxxFDFF
0809B65E: 4282    cmp     r2, r0
0809B660: DD33    ble     0x0809B6CA			; Branch if Orig. r5 was less than #$xxxxFDFF (and greater than #$xxxxF8FF)
0809B662: 4805    ldr     r0, =#0x0000FEFF
0809B664: 4282    cmp     r2, r0
0809B666: D130    bne     0x0809B6CA			; Exit if Orig. r5 was not #%xxxxFEFF

0809B668: 801F    strh    r7, [r3]			; Store Doublebyte loaded from [r4, #0x04] in [r3]
0809B66A: 8858    ldrh    r0, [r3, #0x02]
0809B66C: 3010    add     r0, #0x10
0809B66E: 8058    strh    r0, [r3, #0x02]		; Add #$10 to Doublebyte in [r3, #0x02]
0809B670: E02B    b       0x0809B6CA			; Exit

;0809B672: 0000    lsl     r0, r0, #0x0
;0809B674: FDFF    bl      0x0809C274
;0809B676: 0000    lsl     r0, r0, #0x0
;0809B678: FEFF    bl      0x0809C478
;0809B67A: 0000    lsl     r0, r0, #0x0

; IF ORIG. r5 WAS #$xxxxFDFF
0809B67C: 8871    ldrh    r1, [r6, #0x02]		; Load Doublebyte from [Orig. r2, #0x02]
0809B67E: 4803    ldr     r0, =#0x00000257
0809B680: 4281    cmp     r1, r0
0809B682: D812    bhi     0x0809B6AA			; Branch if loaded value is higher than #$0257
0809B684: 4802    ldr     r0, =#0x00004758
0809B686: 4460    add     r0, r12			; r0 = Orig. r0 + #$00004758
0809B688: 8001    strh    r1, [r0]			; Orig. r0 + #$00004758 = r1
0809B68A: E00E    b       0x0809B6AA

;0809B68C: 0257    lsl     r7, r2, #0x9
;0809B68E: 0000    lsl     r0, r0, #0x0
;0809B690: 4758    bx      r11
;0809B692: 0000    lsl     r0, r0, #0x0

; IF ORIG. r5 WAS #$xxxxFAFF
0809B694: 8870    ldrh    r0, [r6, #0x02]		; Load Doublebyte from [Orig. r2, #0x02]
0809B696: 280F    cmp     r0, #0x0F
0809B698: D817    bhi     0x0809B6CA			; Exit if higher than #$000F
0809B69A: 210F    mov     r1, #0x0F
0809B69C: 4001    and     r1, r0			; AND with #$0000000F (doesn't make sense to me, unnecessary)
0809B69E: 7AE2    ldrb    r2, [r4, #0x0B]
0809B6A0: 2010    mov     r0, #0x10
0809B6A2: 4240    neg     r0, r0
0809B6A4: 4010    and     r0, r2
0809B6A6: 4308    orr     r0, r1
0809B6A8: 72E0    strb    r0, [r4, #0x0B]		; Set lower nybble of [Orig. r1, #$0x0B]
0809B6AA: 6828    ldr     r0, [r5]
0809B6AC: 3002    add     r0, #0x02
0809B6AE: 6028    str     r0, [r5]			; Add #$02 to [Orig. r2]
0809B6B0: E00B    b       0x0809B6CA			; Exit

; IF ORIG. r5 WAS #$xxxxF8FF
0809B6B2: 4907    ldr     r1, =#0x020323BC
0809B6B4: 20C0    mov     r0, #0xC0
0809B6B6: 0080    lsl     r0, r0, #0x2
0809B6B8: 180A    add     r2, r1, r0
0809B6BA: 4B06    ldr     r3, =#0x00000302
0809B6BC: 18C9    add     r1, r1, r3
0809B6BE: 8808    ldrh    r0, [r1]			; r0 = [$020326BE]
0809B6C0: 8813    ldrh    r3, [r2]			; r3 = [$020326BC]
0809B6C2: 18C0    add     r0, r0, r3
0809B6C4: 8010    strh    r0, [r2]			; $020326BC = $020326BC + $020326BE
0809B6C6: 2001    mov     r0, #0x01
0809B6C8: 8008    strh    r0, [r1]			; $020326BE = #$0001

0809B6CA: BCF0    pop     {r4, r5, r6, r7}
0809B6CC: BC01    pop     {r0}
0809B6CE: 4700    bx      r0

;0809B6D0: 23BC    mov     r3, #0xBC
;0809B6D2: 0203    lsl     r3, r0, #0x8
;0809B6D4: 0302    lsl     r2, r0, #0xC
;0809B6D6: 0000    lsl     r0, r0, #0x0

$0809B6D8 - (Double Mini-Flexy-DMA)

This performs two DMAs of #$40 Bytes in size.

r0 contains an address r1 contains the DMA destination address (minus #$04...?!) r2 contains a doublebyte-sized value relevant for forming the Source address

Bits #$0 to #$3 get, kind of, multiplied by #$40 and added to the Source Address Bits #$4 to #$F get, kind of, multiplied by #$800 and added to the Source Address

0809B6D8: B510    push    {r4, lr}
0809B6DA: 0412    lsl     r2, r2, #0x10
0809B6DC: 4B0E    ldr     r3, =#0x00004754
0809B6DE: 18C0    add     r0, r0, r3
0809B6E0: 6803    ldr     r3, [r0]			; r3 = Orig. r0 + #$00004754
0809B6E2: 0D14    lsr     r4, r2, #0x14			; r4 = Orig. r2 AND #$0000FFFF div by #$10
0809B6E4: 20F0    mov     r0, #0xF0
0809B6E6: 0300    lsl     r0, r0, #0xC			; r0 = #$000F0000
0809B6E8: 4010    and     r0, r2			; r0 = Orig. r2 bits 0 to 3 at #$000x0000
0809B6EA: 0A80    lsr     r0, r0, #0xA			; r0 = Orig. r2 bits o to at #$000003C0, if you know what I mean
0809B6EC: 181B    add     r3, r3, r0			; Add to [Orig. r0 + #$00004754]
0809B6EE: 02E4    lsl     r4, r4, #0xB			; r4 = Orig r2 bits 4 to 13 as #$007FF800
0809B6F0: 191B    add     r3, r3, r4
0809B6F2: 480A    ldr     r0, =#0x040000D4
0809B6F4: 6003    str     r3, [r0]			; r3 = DMA Source Address
0809B6F6: 1D0A    add     r2, r1, #0x4
0809B6F8: 6042    str     r2, [r0, #0x04]		; r2 = DMA Destination Address = Orig. r1 +#$04
0809B6FA: 4A09    ldr     r2, =#0x80000020
0809B6FC: 6082    str     r2, [r0, #0x08]		; Transfer #$20 Doublebytes

0809B6FE: 6884    ldr     r4, [r0, #0x08]
0809B700: 2480    mov     r4, #0x80
0809B702: 00E4    lsl     r4, r4, #0x3
0809B704: 191B    add     r3, r3, r4
0809B706: 6003    str     r3, [r0]			; DMA Source Address = First one + #$400
0809B708: 3144    add     r1, #0x44
0809B70A: 6041    str     r1, [r0, #0x04]		; DMA Destination Address = Orig. r1 + #$44
0809B70C: 6082    str     r2, [r0, #0x08]		; Transfer #$20 Doublebytes

0809B70E: 6880    ldr     r0, [r0, #0x08]
0809B710: BC10    pop     {r4}
0809B712: BC01    pop     {r0}
0809B714: 4700    bx      r0

;0809B716: 0000    lsl     r0, r0, #0x0
;0809B718: 4754    bx      r10
;0809B71A: 0000    lsl     r0, r0, #0x0
;0809B71C: 00D4    lsl     r4, r2, #0x3
;0809B71E: 0400    lsl     r0, r0, #0x10
;0809B720: 0020    lsl     r0, r4, #0x0
;0809B722: 8000    strh    r0, [r0]

$0809B92C - (Set Bit 0 of $0202DEFC, clear $0202DEF9)

This is called from $080976DC. There, r0 is set to #$0202DECC.

0809B92C: 1C03    add     r3, r0, #0x0
0809B92E: 3330    add     r3, #0x30
0809B930: 7819    ldrb    r1, [r3]
0809B932: 2201    mov     r2, #0x01
0809B934: 4311    orr     r1, r2
0809B936: 7019    strb    r1, [r3]			; Set Bit 0 of Orig. r0 + #$30 ($0202DEFC)
0809B938: 302D    add     r0, #0x2D
0809B93A: 2100    mov     r1, #0x00
0809B93C: 7001    strb    r1, [r0]			; Clear r0 + #$2D ($0202DEF9)
0809B93E: 4770    bx      lr

$0809B9EC - (Set Bit 0 of $0202DEFC, clear $0202DEF9)

THIS IS THE SAME AS $0809B92C(!?!)

This is called from $0809BF34. Then r0 = #$0202DECC. So it sets Bit 0 of $0202DEFC and clears $0202DEF9.

0809B9EC: 1C03    add     r3, r0, #0x0			; r3 = Orig. r0
0809B9EE: 3330    add     r3, #0x30			; r3 = Orig. r0 + #$30
0809B9F0: 7819    ldrb    r1, [r3]			; r1 = [Orig. r0 + #$30]
0809B9F2: 2201    mov     r2, #0x01
0809B9F4: 4311    orr     r1, r2			; Set Bit 0
0809B9F6: 7019    strb    r1, [r3]			; Store back
0809B9F8: 302D    add     r0, #0x2D
0809B9FA: 2100    mov     r1, #0x00
0809B9FC: 7001    strb    r1, [r0]			; Clear Orig. r0 + #$2D (Byte sized)
0809B9FE: 4770    bx      lr

$0809BA00 - ?

This seems to be called only from $0809BF34. In that case r0 = #$0202DECC, r1 = #$02, r2 = #$00. Comments are made under the assumption of these values.

0809BA00: B530    push    {r4, r5, lr}

0809BA02: 4684    mov     r12, r0				; r12 = #$0202DECC
0809BA04: 0409    lsl     r1, r1, #0x10
0809BA06: 0C09    lsr     r1, r1, #0x10			; r1 = #$02
0809BA08: 1C0C    add     r4, r1, #0x0			; r4 = #$02
0809BA0A: 0412    lsl     r2, r2, #0x10
0809BA0C: 0C12    lsr     r2, r2, #0x10			; r2 = #$00
0809BA0E: 1C15    add     r5, r2, #0x0			; r5 = #$00
0809BA10: 4663    mov     r3, r12				; r3 = #$0202DECC
0809BA12: 332D    add     r3, #0x2D				; r3 = #$0202DEF9
0809BA14: 7819    ldrb    r1, [r3]
0809BA16: 42A1    cmp     r1, r4				; Is $0202DEF9 = Orig. r1?
0809BA18: D103    bne     0x0809BA22				; Branch if not

0809BA1A: 302E    add     r0, #0x2E
0809BA1C: 7800    ldrb    r0, [r0]
0809BA1E: 4290    cmp     r0, r2				; Is $0202DEFA = Orig. r1?
0809BA20: D00C    beq     0x0809BA3C				; Exit if equal

0809BA22: 2900    cmp     r1, #0x00				; Is $0202DEF9 = #$00?
0809BA24: D10A    bne     0x0809BA3C				; Exit if not

0809BA26: 701C    strb    r4, [r3]				; $0202DEF9 = Orig. r1 (#$02)
0809BA28: 4660    mov     r0, r12
0809BA2A: 302E    add     r0, #0x2E
0809BA2C: 7005    strb    r5, [r0]				; $0202DEFA = Orig. r2 (#$00)
0809BA2E: 7818    ldrb    r0, [r3]
0809BA30: 2802    cmp     r0, #0x02				; Is $0202DEF9 = #$02?
0809BA32: D103    bne     0x0809BA3C				; Exit if not equal

0809BA34: 4661    mov     r1, r12				; (This is only executed if Orig. r1 = #$02)
0809BA36: 312F    add     r1, #0x2F
0809BA38: 2005    mov     r0, #0x05
0809BA3A: 7008    strb    r0, [r1]				; $0202DEFB = #$05

0809BA3C: BC30    pop     {r4, r5}
0809BA3E: BC01    pop     {r0}
0809BA40: 4700    bx      r0

;0809BA42: 0000    lsl     r0, r0, #0x0

$0809BA44 - ?

0809BA44: B530    push    {r4, r5, lr}

0809BA46: 1C05    add     r5, r0, #0x0
0809BA48: 1C0C    add     r4, r1, #0x0
0809BA4A: 3030    add     r0, #0x30
0809BA4C: 7801    ldrb    r1, [r0]
0809BA4E: 2201    mov     r2, #0x01
0809BA50: 1C10    add     r0, r2, #0x0
0809BA52: 4008    and     r0, r1
0809BA54: 2800    cmp     r0, #0x00
0809BA56: D131    bne     0x0809BABC			; Exit if not equal
0809BA58: 2100    mov     r1, #0x00
0809BA5A: 7860    ldrb    r0, [r4, #0x01]
0809BA5C: 06C0    lsl     r0, r0, #0x1B
0809BA5E: 2800    cmp     r0, #0x00
0809BA60: DA00    bge     0x0809BA64
0809BA62: 2101    mov     r1, #0x01
0809BA64: 7820    ldrb    r0, [r4]
0809BA66: 0700    lsl     r0, r0, #0x1C
0809BA68: 0F00    lsr     r0, r0, #0x1C
0809BA6A: 4108    asr     r0, r1
0809BA6C: 4010    and     r0, r2
0809BA6E: 2800    cmp     r0, #0x00
0809BA70: D01C    beq     0x0809BAAC
0809BA72: 0109    lsl     r1, r1, #0x4
0809BA74: 3118    add     r1, #0x18
0809BA76: 1861    add     r1, r4, r1
0809BA78: 3408    add     r4, #0x08
0809BA7A: 1C28    add     r0, r5, #0x0
0809BA7C: 3010    add     r0, #0x10			; r0 = Store Address
0809BA7E: 2210    mov     r2, #0x10			; r2 = Number of Bytes to Transfer
0809BA80: F026    bl       
0809BA82: FAB0    bl      0x080C1FE4			; Data Transfer
0809BA84: 1C28    add     r0, r5, #0x0
0809BA86: 1C21    add     r1, r4, #0x0
0809BA88: 2210    mov     r2, #0x10			; Transfer #$10 bytes
0809BA8A: F026    bl       
0809BA8C: FAAB    bl      0x080C1FE4			; Data Transfer
0809BA8E: 1C28    add     r0, r5, #0x0
0809BA90: F000    bl       
0809BA92: F818    bl      0x0809BAC4
0809BA94: 1C28    add     r0, r5, #0x0
0809BA96: F000    bl       
0809BA98: F891    bl      0x0809BBBC
0809BA9A: 1C28    add     r0, r5, #0x0
0809BA9C: F000    bl       
0809BA9E: F8E8    bl      0x0809BC70
0809BAA0: 1C20    add     r0, r4, #0x0
0809BAA2: 1C29    add     r1, r5, #0x0
0809BAA4: 2210    mov     r2, #0x10
0809BAA6: F026    bl       
0809BAA8: FA9D    bl      0x080C1FE4
0809BAAA: E007    b       0x0809BABC
0809BAAC: 1C28    add     r0, r5, #0x0
0809BAAE: 302D    add     r0, #0x2D
0809BAB0: 7800    ldrb    r0, [r0]
0809BAB2: 2802    cmp     r0, #0x02
0809BAB4: D102    bne     0x0809BABC
0809BAB6: 1C28    add     r0, r5, #0x0
0809BAB8: F000    bl       
0809BABA: FA2A    bl      0x0809BF10

0809BABC: BC30    pop     {r4, r5}
0809BABE: BC01    pop     {r0}
0809BAC0: 4700    bx      r0

;0809BAC2: 0000    lsl     r0, r0, #0x0

$0809BAC4 - ?

0809BAC4: B500    push    {lr}

0809BAC6: 1C02    add     r2, r0, #0x0
0809BAC8: 7D90    ldrb    r0, [r2, #0x16]	; Load Adress Table Index value
0809BACA: 2803    cmp     r0, #0x03		; Exit if it is >#$03
0809BACC: D807    bhi     0x0809BADE
0809BACE: 4805    ldr     r0, =#0x08699508	; Address Table Offset
0809BAD0: 7D91    ldrb    r1, [r2, #0x16]	; Load Index for jump
0809BAD2: 0089    lsl     r1, r1, #0x2		; Index * 4 (each Table Entry is 4 bytes in size)
0809BAD4: 1809    add     r1, r1, r0		; Add to Table Offset
0809BAD6: 6809    ldr     r1, [r1]		; Load address for jumping
0809BAD8: 1C10    add     r0, r2, #0x0
0809BADA: F024    bl       
0809BADC: FD45    bl      0x080C0568		; bx r1

0809BADE: BC01    pop     {r0}
0809BAE0: 4700    bx      r0

;0809BAE2: 0000    lsl     r0, r0, #0x0
;0809BAE4: 9508    str     r5, [sp, #0x020]
;0809BAE6: 0869    lsr     r1, r5, #0x1

$0809BF34 - ?

0809BF34: B510    push    {r4, lr}
0809BF36: B081    add     sp, #-0x004

0809BF38: 4669    mov     r1, sp
0809BF3A: 7008    strb    r0, [r1]			; Buffer Orig. r0 (byte sized) on Stack
0809BF3C: 4668    mov     r0, sp
0809BF3E: 7800    ldrb    r0, [r0]
0809BF40: 2800    cmp     r0, #0x00
0809BF42: D00B    beq     0x0809BF5C			; Branch if Orig. r0 was clear

0809BF44: 4C04    ldr     r4, =#0x0202DECC
0809BF46: 1C20    add     r0, r4, #0x0
0809BF48: F7FF    bl       
0809BF4A: FD50    bl      0x0809B9EC			; Set Bit 0 of $0202DEFC, clear $0202DEF9
0809BF4C: 3434    add     r4, #0x34
0809BF4E: 1C20    add     r0, r4, #0x0			; r0 = #$0202DF00
0809BF50: F021    bl       
0809BF52: FF90    bl      0x080BDE74			; ?
0809BF54: E007    b       0x0809BF66

;0809BF56: 0000    lsl     r0, r0, #0x0
;0809BF58: DECC    ???      
;0809BF5A: 0202    lsl     r2, r0, #0x8

0809BF5C: 4804    ldr     r0, =#0x0202DECC
0809BF5E: 2102    mov     r1, #0x02
0809BF60: 2200    mov     r2, #0x00
0809BF62: F7FF    bl       
0809BF64: FD4D    bl      0x0809BA00			; ?

0809BF66: B001    add     sp, #0x004
0809BF68: BC10    pop     {r4}
0809BF6A: BC01    pop     {r0}
0809BF6C: 4700    bx      r0

;0809BF6E: 0000    lsl     r0, r0, #0x0
;0809BF70: DECC    ???      
;0809BF72: 0202    lsl     r2, r0, #0x8

$0809C254 - (Tilemap related)

Maybe this is a Tilemap Buffer clearer?

r1 (and later r7) contains a BG number.

0809C254: B5F0    push    {r4, r5, r6, r7, lr}
0809C256: B083    add     sp, #-0x00C

0809C258: 1C03    add     r3, r0, #0x0			; r3 = r0
0809C25A: 0409    lsl     r1, r1, #0x10
0809C25C: 0C0F    lsr     r7, r1, #0x10			; r7 = r1 (BG number; with Upper Double Byte removed)
0809C25E: 4668    mov     r0, sp
0809C260: 7002    strb    r2, [r0]			; Store r2 on Stack
0809C262: 2B00    cmp     r3, #0x00
0809C264: D014    beq     0x0809C290

0809C266: 8819    ldrh    r1, [r3]
0809C268: 08C9    lsr     r1, r1, #0x3
0809C26A: 4A08    ldr     r2, =#0xFFFF0000
0809C26C: 9801    ldr     r0, [sp, #0x004]
0809C26E: 4010    and     r0, r2
0809C270: 4308    orr     r0, r1
0809C272: 9001    str     r0, [sp, #0x004]
0809C274: 8858    ldrh    r0, [r3, #0x02]
0809C276: 08C0    lsr     r0, r0, #0x3
0809C278: A901    add     r1, sp, #0x004
0809C27A: 8048    strh    r0, [r1, #0x02]
0809C27C: 8898    ldrh    r0, [r3, #0x04]
0809C27E: 08C0    lsr     r0, r0, #0x3
0809C280: 8088    strh    r0, [r1, #0x04]
0809C282: 88D8    ldrh    r0, [r3, #0x06]
0809C284: 08C0    lsr     r0, r0, #0x3
0809C286: 80C8    strh    r0, [r1, #0x06]
0809C288: 1C0D    add     r5, r1, #0x0
0809C28A: E009    b       0x0809C2A0

;DATA
;============
;0809C28C: 0000    lsl     r0, r0, #0x0
;0809C28E: FFFF    bl      0x0809D28E

0809C290: A801    add     r0, sp, #0x004
0809C292: 8003    strh    r3, [r0]
0809C294: 8043    strh    r3, [r0, #0x02]
0809C296: 211E    mov     r1, #0x1E
0809C298: 8081    strh    r1, [r0, #0x04]
0809C29A: 2114    mov     r1, #0x14
0809C29C: 80C1    strh    r1, [r0, #0x06]
0809C29E: 1C05    add     r5, r0, #0x0

0809C2A0: 8829    ldrh    r1, [r5]			; r5 (sp+4) contains the X-coordinate for the upcoming SR
0809C2A2: AC01    add     r4, sp, #0x004
0809C2A4: 8862    ldrh    r2, [r4, #0x02]		; sp+6 contains the Y-coordinate for the upcoming SR
0809C2A6: 1C38    add     r0, r7, #0x0			; Transfer BG number back in r0 for the upcoming SR
0809C2A8: F000    bl       
0809C2AA: F860    bl      0x0809C36C			; Calculate address of a Tile ($0202DE34)
0809C2AC: 1C03    add     r3, r0, #0x0
0809C2AE: 2200    mov     r2, #0x00
0809C2B0: 88E4    ldrh    r4, [r4, #0x06]
0809C2B2: 42A2    cmp     r2, r4
0809C2B4: D21C    bcs     0x0809C2F0

0809C2B6: 466E    mov     r6, sp			; CLEAR-DMA FOR TILEMAP BUFFER
0809C2B8: 3602    add     r6, #0x02
0809C2BA: 4C13    ldr     r4, =#0x040000D4
0809C2BC: 2000    mov     r0, #0x00
0809C2BE: 8030    strh    r0, [r6]			; Clear Stack Entry (used as Source for a clearing Fixed DMA)
0809C2C0: 6026    str     r6, [r4]			; DMA Source Address
0809C2C2: 6063    str     r3, [r4, #0x04]		; DMA Destination Address (Tile Map buffer, calculated above)
0809C2C4: 88A8    ldrh    r0, [r5, #0x04]
0809C2C6: 2181    mov     r1, #0x81
0809C2C8: 0609    lsl     r1, r1, #0x18			; Fixed DMA
0809C2CA: 4308    orr     r0, r1			; Add number of Double Byte to Transfer
0809C2CC: 60A0    str     r0, [r4, #0x08]		; Activate DMA
0809C2CE: 68A0    ldr     r0, [r4, #0x08]
0809C2D0: 68A0    ldr     r0, [r4, #0x08]
0809C2D2: 2180    mov     r1, #0x80
0809C2D4: 0609    lsl     r1, r1, #0x18
0809C2D6: 333C    add     r3, #0x3C			; ?
0809C2D8: 3201    add     r2, #0x01			; ?
0809C2DA: 2800    cmp     r0, #0x00
0809C2DC: DA03    bge     0x0809C2E6			; Branch if DMA is completed

0809C2DE: 68A0    ldr     r0, [r4, #0x08]
0809C2E0: 4008    and     r0, r1
0809C2E2: 2800    cmp     r0, #0x00
0809C2E4: D1FB    bne     0x0809C2DE			; Loop if DMA is not completed

0809C2E6: 0410    lsl     r0, r2, #0x10
0809C2E8: 0C02    lsr     r2, r0, #0x10
0809C2EA: 88E8    ldrh    r0, [r5, #0x06]
0809C2EC: 4282    cmp     r2, r0
0809C2EE: D3E5    bcc     0x0809C2BC

0809C2F0: 4668    mov     r0, sp			; Exit if sp = #$00
0809C2F2: 7800    ldrb    r0, [r0]
0809C2F4: 2800    cmp     r0, #0x00
0809C2F6: D030    beq     0x0809C35A

0809C2F8: 2F01    cmp     r7, #0x01
0809C2FA: D013    beq     0x0809C324			; Branch if r7 = #$01
0809C2FC: 2F01    cmp     r7, #0x01
0809C2FE: DC05    bgt     0x0809C30C			; Branch if r7 > #$01
0809C300: 2F00    cmp     r7, #0x00
0809C302: D008    beq     0x0809C316			; Branch if r7 = #$00
0809C304: E029    b       0x0809C35A			; Exit if r7 is negative

;DATA
;============
;0809C306: 0000    lsl     r0, r0, #0x0
;0809C308: 00D4    lsl     r4, r2, #0x3
;0809C30A: 0400    lsl     r0, r0, #0x10

0809C30C: 2F02    cmp     r7, #0x02
0809C30E: D015    beq     0x0809C33C			; Branch if r7 = #$02
0809C310: 2F03    cmp     r7, #0x03
0809C312: D01B    beq     0x0809C34C			; Branch if r7 = #$03
0809C314: E021    b       0x0809C35A			; Exit

0809C316: 4802    ldr     r0, =#0x0202DE30		; r7 = #$00
0809C318: 6840    ldr     r0, [r0, #0x04]
0809C31A: 21F8    mov     r1, #0xF8
0809C31C: 0149    lsl     r1, r1, #0x5
0809C31E: E018    b       0x0809C352

;DATA
;===========
;0809C320: DE30    ???      
;0809C322: 0202    lsl     r2, r0, #0x8

0809C324: 4803    ldr     r0, =#0x0202DE30
0809C326: 6840    ldr     r0, [r0, #0x04]
0809C328: 4903    ldr     r1, =#0x00001F01
0809C32A: 1840    add     r0, r0, r1
0809C32C: 7801    ldrb    r1, [r0]
0809C32E: 7007    strb    r7, [r0]
0809C330: E013    b       0x0809C35A

;DATA
;==========
;0809C332: 0000    lsl     r0, r0, #0x0
;0809C334: DE30    ???      
;0809C336: 0202    lsl     r2, r0, #0x8
;0809C338: 1F01    sub     r1, r0, #0x4
;0809C33A: 0000    lsl     r0, r0, #0x0

0809C33C: 4801    ldr     r0, =#0x0202DE30		; r7 = #$02
0809C33E: 6840    ldr     r0, [r0, #0x04]
0809C340: 4901    ldr     r1, =#0x00001F02
0809C342: E006    b       0x0809C352

;DATA
;==========
;0809C344: DE30    ???      
;0809C346: 0202    lsl     r2, r0, #0x8
;0809C348: 1F02    sub     r2, r0, #0x4
;0809C34A: 0000    lsl     r0, r0, #0x0

0809C34C: 4805    ldr     r0, =#0x0202DE30		; r7 = #$03
0809C34E: 6840    ldr     r0, [r0, #0x04]
0809C350: 4905    ldr     r1, =#0x00001F03

0809C352: 1840    add     r0, r0, r1
0809C354: 7801    ldrb    r1, [r0]
0809C356: 2101    mov     r1, #0x01
0809C358: 7001    strb    r1, [r0]

0809C35A: B003    add     sp, #0x00C
0809C35C: BCF0    pop     {r4, r5, r6, r7}
0809C35E: BC01    pop     {r0}
0809C360: 4700    bx      r0

;DATA
;====================
;0809C362: 0000    lsl     r0, r0, #0x0
;0809C364: DE30    ???      
;0809C366: 0202    lsl     r2, r0, #0x8
;0809C368: 1F03    sub     r3, r0, #0x4
;0809C36A: 0000    lsl     r0, r0, #0x0

$0809C36C - Calculate address of a tile ($0202DE34)

r0 contains the BG number, r2 contains the Y-coordinate, r1 contains the X-coordinate. This turns these values into the address of that tile in the Tilemap buffer in WRAM.

The main difference between this subroutine and the one at $080BD5E0 is that here the basic offset is loaded from $0202DE34.
0809C36C: B510    push    {r4, lr}
0809C36E: 0400    lsl     r0, r0, #0x10
0809C370: 0C00    lsr     r0, r0, #0x10
0809C372: 1C03    add     r3, r0, #0x0		; r3 = r0 (with Upper Double Byte removed)
0809C374: 0409    lsl     r1, r1, #0x10
0809C376: 0C09    lsr     r1, r1, #0x10		; r1 with Upper Double Byte removed
0809C378: 0412    lsl     r2, r2, #0x10
0809C37A: 0C12    lsr     r2, r2, #0x10		; r2 with Upper Double Byte removed
0809C37C: 2801    cmp     r0, #0x01
0809C37E: D00F    beq     0x0809C3A0		; r0 = #$01
0809C380: 2801    cmp     r0, #0x01
0809C382: DC02    bgt     0x0809C38A
0809C384: 2800    cmp     r0, #0x00
0809C386: D005    beq     0x0809C394		; r0 = #$00
0809C388: E022    b       0x0809C3D0		; r0 is negative(?) = Exit
0809C38A: 2B02    cmp     r3, #0x02
0809C38C: D010    beq     0x0809C3B0		; r0 = #$02
0809C38E: 2B03    cmp     r3, #0x03
0809C390: D016    beq     0x0809C3C0		; r0 = #$03
0809C392: E01D    b       0x0809C3D0		; r0 greater than #$03 = Exit

0809C394: 4801    ldr     r0, =#0x0202DE30	; If r0 = #$00...
0809C396: 6843    ldr     r3, [r0, #0x04]	; Load the address in $0202DE34 (presumably #$0203CAD0)
0809C398: E01C    b       0x0809C3D4

;DATA
;===========
;0809C39A: 0000    lsl     r0, r0, #0x0
;0809C39C: DE30    ???      
;0809C39E: 0202    lsl     r2, r0, #0x8

0809C3A0: 4802    ldr     r0, =#0x0202DE30	; If r0 = #$01...
0809C3A2: 6840    ldr     r0, [r0, #0x04]	; Load the address in $0202DE34 (presumably #$0203CAD0)...
0809C3A4: 2496    mov     r4, #0x96
0809C3A6: 00E4    lsl     r4, r4, #0x3
0809C3A8: 1903    add     r3, r0, r4		; ... and add #$000004B0 to it (could be #$0203CF80, then)
0809C3AA: E013    b       0x0809C3D4

;DATA
;=========
;0809C3AC: DE30    ???      
;0809C3AE: 0202    lsl     r2, r0, #0x8

0809C3B0: 4802    ldr     r0, =#0x0202DE30	; If r0 = #$02...
0809C3B2: 6840    ldr     r0, [r0, #0x04]	; Load the address in $0202DE34 (presumably #$0203CAD0)...
0809C3B4: 2496    mov     r4, #0x96
0809C3B6: 0124    lsl     r4, r4, #0x4
0809C3B8: 1903    add     r3, r0, r4		; ... and add #$00000960 to it (could be #$0203D430, then)
0809C3BA: E00B    b       0x0809C3D4

;DATA
;=================
;0809C3BC: DE30    ???      
;0809C3BE: 0202    lsl     r2, r0, #0x8

0809C3C0: 4802    ldr     r0, =#0x0202DE30	; If r0 = #$03...
0809C3C2: 6840    ldr     r0, [r0, #0x04]	; Load the address in $0202DE34 (presumably #$0203CAD0)...
0809C3C4: 24E1    mov     r4, #0xE1
0809C3C6: 0124    lsl     r4, r4, #0x4
0809C3C8: 1903    add     r3, r0, r4		; ... and add #$00000E10 to it (could be #$0203D8E0, then)
0809C3CA: E003    b       0x0809C3D4

;DATA
;=================
;0809C3CC: DE30    ???      
;0809C3CE: 0202    lsl     r2, r0, #0x8

0809C3D0: 2000    mov     r0, #0x00
0809C3D2: E006    b       0x0809C3E2

0809C3D4: 0110    lsl     r0, r2, #0x4		; r0 = r2 * #$10
0809C3D6: 1A80    sub     r0, r0, r2		; r0 = r0 - r2 = r2 * #$0F		
0809C3D8: 0040    lsl     r0, r0, #0x1		; r0 = r2 * #$1E
0809C3DA: 1808    add     r0, r1, r0		; r0 = r1 + r2 * #$1E
0809C3DC: 0040    lsl     r0, r0, #0x1		; r0 = 2 * (r1 + r2 * #$1E)
0809C3DE: 181B    add     r3, r3, r0		; Add this to the address loaded...
0809C3E0: 1C18    add     r0, r3, #0x0		; ... and move it to r0 before exiting

0809C3E2: BC10    pop     {r4}
0809C3E4: BC02    pop     {r1}
0809C3E6: 4708    bx      r1

$0809C3E8 - ?

0809C3E8: B5F0    push    {r4, r5, r6, r7, lr}
0809C3EA: 4657    mov     r7, r10
0809C3EC: 464E    mov     r6, r9
0809C3EE: 4645    mov     r5, r8
0809C3F0: B4E0    push    {r5, r6, r7}

0809C3F2: 0400    lsl     r0, r0, #0x10
0809C3F4: 0C06    lsr     r6, r0, #0x10
0809C3F6: 4A24    ldr     r2, =#0x0202DE30
0809C3F8: 6851    ldr     r1, [r2, #0x04]			; r1 = #$0203CAD0 (Adress of the Graphics buffer)
0809C3FA: 4B24    ldr     r3, =#0x00001F04
0809C3FC: 18C8    add     r0, r1, r3
0809C3FE: 8800    ldrh    r0, [r0]				; r0 = $0203E9D4
0809C400: 00C0    lsl     r0, r0, #0x3
0809C402: 2396    mov     r3, #0x96
0809C404: 015B    lsl     r3, r3, #0x5
0809C406: 18C0    add     r0, r0, r3
0809C408: 1809    add     r1, r1, r0
0809C40A: 4689    mov     r9, r1
0809C40C: 464C    mov     r4, r9
0809C40E: 2500    mov     r5, #0x00
0809C410: 42B5    cmp     r5, r6
0809C412: D231    bcs     0x0809C478
0809C414: 2011    mov     r0, #0x11
0809C416: 4240    neg     r0, r0
0809C418: 4680    mov     r8, r0
0809C41A: 2321    mov     r3, #0x21
0809C41C: 425B    neg     r3, r3
0809C41E: 469C    mov     r12, r3
0809C420: 270D    mov     r7, #0x0D
0809C422: 427F    neg     r7, r7
0809C424: 3002    add     r0, #0x02
0809C426: 4682    mov     r10, r0
0809C428: 78E0    ldrb    r0, [r4, #0x03]
0809C42A: 4643    mov     r3, r8
0809C42C: 4003    and     r3, r0
0809C42E: 4660    mov     r0, r12
0809C430: 4003    and     r3, r0
0809C432: 7860    ldrb    r0, [r4, #0x01]
0809C434: 4662    mov     r2, r12
0809C436: 4002    and     r2, r0
0809C438: 403A    and     r2, r7
0809C43A: 4640    mov     r0, r8
0809C43C: 4002    and     r2, r0
0809C43E: 7961    ldrb    r1, [r4, #0x05]
0809C440: 1C38    add     r0, r7, #0x0
0809C442: 4008    and     r0, r1
0809C444: 2104    mov     r1, #0x04
0809C446: 4308    orr     r0, r1
0809C448: 7160    strb    r0, [r4, #0x05]
0809C44A: 2004    mov     r0, #0x04
0809C44C: 4240    neg     r0, r0
0809C44E: 4002    and     r2, r0
0809C450: 7062    strb    r2, [r4, #0x01]
0809C452: 4650    mov     r0, r10
0809C454: 4003    and     r3, r0
0809C456: 70E3    strb    r3, [r4, #0x03]
0809C458: 2000    mov     r0, #0x00
0809C45A: 80E0    strh    r0, [r4, #0x06]
0809C45C: 1C68    add     r0, r5, #0x1
0809C45E: 0400    lsl     r0, r0, #0x10
0809C460: 0C05    lsr     r5, r0, #0x10
0809C462: 3408    add     r4, #0x08
0809C464: 4B08    ldr     r3, =#0x0202DE30
0809C466: 6859    ldr     r1, [r3, #0x04]
0809C468: 4808    ldr     r0, =#0x00001F04
0809C46A: 1809    add     r1, r1, r0
0809C46C: 8808    ldrh    r0, [r1]
0809C46E: 3001    add     r0, #0x01
0809C470: 880A    ldrh    r2, [r1]
0809C472: 8008    strh    r0, [r1]
0809C474: 42B5    cmp     r5, r6
0809C476: D3D7    bcc     0x0809C428
0809C478: 4648    mov     r0, r9

0809C47A: BC38    pop     {r3, r4, r5}
0809C47C: 4698    mov     r8, r3
0809C47E: 46A1    mov     r9, r4
0809C480: 46AA    mov     r10, r5
0809C482: BCF0    pop     {r4, r5, r6, r7}
0809C484: BC02    pop     {r1}
0809C486: 4708    bx      r1

;0809C488: DE30    ???      
;0809C48A: 0202    lsl     r2, r0, #0x8
;0809C48C: 1F04    sub     r4, r0, #0x4
;0809C48E: 0000    lsl     r0, r0, #0x0

$0809C518 - AND r1 #$00FF, Jump to 080BEA78

Only does these two things

0809C518: B500    push    {lr}
0809C51A: 0409    lsl     r1, r1, #0x10
0809C51C: 0C09    lsr     r1, r1, #0x10	; r1 = AND #$0000FFFF
0809C51E: F022    bl       
0809C520: FAAB    bl      0x080BEA78
0809C522: BC01    pop     {r0}
0809C524: 4700    bx      r0
;0809C526: 0000    lsl     r0, r0, #0x0

$0809C528 - ?

0809C528: B5F0    push    {r4, r5, r6, r7, lr}
0809C52A: 464F    mov     r7, r9
0809C52C: 4646    mov     r6, r8
0809C52E: B4C0    push    {r6, r7}
0809C530: B088    add     sp, #-0x020

0809C532: 1C06    add     r6, r0, #0x0
0809C534: 1C0D    add     r5, r1, #0x0
0809C536: 980F    ldr     r0, [sp, #0x03C]
0809C538: 0412    lsl     r2, r2, #0x10
0809C53A: 0C12    lsr     r2, r2, #0x10
0809C53C: 4690    mov     r8, r2
0809C53E: 041B    lsl     r3, r3, #0x10
0809C540: 0C1F    lsr     r7, r3, #0x10
0809C542: 0400    lsl     r0, r0, #0x10
0809C544: 0C00    lsr     r0, r0, #0x10
0809C546: 4681    mov     r9, r0
0809C548: 2400    mov     r4, #0x00
0809C54A: 8830    ldrh    r0, [r6]
0809C54C: 8829    ldrh    r1, [r5]
0809C54E: 4642    mov     r2, r8
0809C550: 1C3B    add     r3, r7, #0x0
0809C552: F022    bl       
0809C554: F845    bl      0x080BE5E0
0809C556: 0061    lsl     r1, r4, #0x1
0809C558: 4469    add     r1, sp
0809C55A: 8008    strh    r0, [r1]
0809C55C: 1C60    add     r0, r4, #0x1
0809C55E: 0400    lsl     r0, r0, #0x10
0809C560: 0C04    lsr     r4, r0, #0x10
0809C562: 3602    add     r6, #0x02
0809C564: 3502    add     r5, #0x02
0809C566: 2C0F    cmp     r4, #0x0F
0809C568: D9EF    bls     0x0809C54A
0809C56A: 4668    mov     r0, sp
0809C56C: 4649    mov     r1, r9
0809C56E: 2220    mov     r2, #0x20
0809C570: F000    bl       
0809C572: F982    bl      0x0809C878

0809C574: B008    add     sp, #0x020
0809C576: BC18    pop     {r3, r4}
0809C578: 4698    mov     r8, r3
0809C57A: 46A1    mov     r9, r4
0809C57C: BCF0    pop     {r4, r5, r6, r7}
0809C57E: BC01    pop     {r0}

;DATA
;==========
;0809C580: 4700    bx      r0
;0809C582: 0000    lsl     r0, r0, #0x0

$0809C584 - ?

0809C584: B5F0    push    {r4, r5, r6, r7, lr}
0809C586: 4647    mov     r7, r8
0809C588: B480    push    {r7}
0809C58A: B088    add     sp, #-0x020

0809C58C: 1C05    add     r5, r0, #0x0
0809C58E: 0409    lsl     r1, r1, #0x10
0809C590: 0C0F    lsr     r7, r1, #0x10
0809C592: 0412    lsl     r2, r2, #0x10
0809C594: 0C16    lsr     r6, r2, #0x10
0809C596: 041B    lsl     r3, r3, #0x10
0809C598: 0C1B    lsr     r3, r3, #0x10
0809C59A: 4698    mov     r8, r3
0809C59C: 2400    mov     r4, #0x00

; Loop
0809C59E: 8829    ldrh    r1, [r5]
0809C5A0: 480C    ldr     r0, =#0x00007FFF
0809C5A2: 1C3A    add     r2, r7, #0x0
0809C5A4: 1C33    add     r3, r6, #0x0
0809C5A6: F022    bl       
0809C5A8: F81B    bl      0x080BE5E0
0809C5AA: 0061    lsl     r1, r4, #0x1
0809C5AC: 4469    add     r1, sp
0809C5AE: 8008    strh    r0, [r1]
0809C5B0: 1C60    add     r0, r4, #0x1		; Increment counter
0809C5B2: 0400    lsl     r0, r0, #0x10
0809C5B4: 0C04    lsr     r4, r0, #0x10
0809C5B6: 3502    add     r5, #0x02
0809C5B8: 2C0F    cmp     r4, #0x0F
0809C5BA: D9F0    bls     0x0809C59E

;Register prep for DMA
0809C5BC: 4668    mov     r0, sp
0809C5BE: 4641    mov     r1, r8
0809C5C0: 2220    mov     r2, #0x20		; Number of colors to transfer
0809C5C2: F000    bl       
0809C5C4: F959    bl      0x0809C878		; DMA that transfers $20 colors from $03007E3C to the color temp store (starting at $0203E4B0)

0809C5C6: B008    add     sp, #0x020
0809C5C8: BC08    pop     {r3}
0809C5CA: 4698    mov     r8, r3
0809C5CC: BCF0    pop     {r4, r5, r6, r7}
0809C5CE: BC01    pop     {r0}
0809C5D0: 4700    bx      r0

;0809C5D2: 0000    lsl     r0, r0, #0x0
;0809C5D4: 7FFF    ldrb    r7, [r7, #0x1F]
;0809C5D6: 0000    lsl     r0, r0, #0x0

$0809C678 - ?

0809C678: B570    push    {r4, r5, r6, lr}
0809C67A: 480D    ldr     r0, =#0x08699AA4
0809C67C: 2107    mov     r1, #0x07
0809C67E: F021    bl       
0809C680: FE57    bl      0x080BE330			; Load address from Intro (Sky/Castle) Palette
0809C682: 1C05    add     r5, r0, #0x0			; Transfer Palette address in r5
0809C684: 2400    mov     r4, #0x00			; Setup counter
0809C686: 4E0B    ldr     r6, =#0x020326CE
0809C688: 8830    ldrh    r0, [r6]
0809C68A: 211E    mov     r1, #0x1E
0809C68C: 1A09    sub     r1, r1, r0			; r1 = #$1E - [$020326CE]
0809C68E: 0409    lsl     r1, r1, #0x10
0809C690: 0C09    lsr     r1, r1, #0x10
0809C692: 1C28    add     r0, r5, #0x0
0809C694: 221E    mov     r2, #0x1E
0809C696: 1C23    add     r3, r4, #0x0
0809C698: F7FF    bl       
0809C69A: FF74    bl      0x0809C584
0809C69C: 3520    add     r5, #0x20
0809C69E: 1C60    add     r0, r4, #0x1			; Increment Counter
0809C6A0: 0400    lsl     r0, r0, #0x10
0809C6A2: 0C04    lsr     r4, r0, #0x10
0809C6A4: 2C0F    cmp     r4, #0x0F
0809C6A6: D9EF    bls     0x0809C688			; Loop until r4 SURPASSED #$0F
0809C6A8: BC70    pop     {r4, r5, r6}
0809C6AA: BC01    pop     {r0}
0809C6AC: 4700    bx      r0
0809C6AE: 0000    lsl     r0, r0, #0x0
0809C6B0: 9AA4    ldr     r2, [sp, #0x290]
0809C6B2: 0869    lsr     r1, r5, #0x1
0809C6B4: 26CE    mov     r6, #0xCE
0809C6B6: 0203    lsl     r3, r0, #0x8

$0809C818 - ?

0809C818: B500    push    {lr}
0809C81A: B089    add     sp, #-0x024

0809C81C: 4813    ldr     r0, =#0x08733BBC		; Address Table address
0809C81E: 2129    mov     r1, #0x29			; Table Entry number
0809C820: F021    bl       
0809C822: FD86    bl      0x080BE330			; Load address from Address Table
0809C824: 1C03    add     r3, r0, #0x0			; Transfer Address in r3
0809C826: 3302    add     r3, #0x02
0809C828: 2200    mov     r2, #0x00
0809C82A: 0050    lsl     r0, r2, #0x1
0809C82C: 4669    mov     r1, sp
0809C82E: 1809    add     r1, r1, r0
0809C830: 3104    add     r1, #0x04
0809C832: 8818    ldrh    r0, [r3]			; Load Double Byte from Address
0809C834: 8008    strh    r0, [r1]			; Store on Stack
0809C836: 1C50    add     r0, r2, #0x1
0809C838: 0400    lsl     r0, r0, #0x10
0809C83A: 0C02    lsr     r2, r0, #0x10
0809C83C: 2A0F    cmp     r2, #0x0F
0809C83E: D9F4    bls     0x0809C82A
0809C840: 480A    ldr     r0, =#0x08733BBC		; Address Table address
0809C842: 212D    mov     r1, #0x2D			; Table Entry number
0809C844: F021    bl       
0809C846: FD74    bl      0x080BE330			; Load address from Address Table
0809C848: 1C01    add     r1, r0, #0x0
0809C84A: 4809    ldr     r0, =#0x0202DE30
0809C84C: 4A09    ldr     r2, =#0x0000489E
0809C84E: 1880    add     r0, r0, r2			; r0 = #$020326CE
0809C850: 8800    ldrh    r0, [r0]			; r0 = [$020326CE]
0809C852: 221E    mov     r2, #0x1E
0809C854: 1A12    sub     r2, r2, r0
0809C856: 0412    lsl     r2, r2, #0x10
0809C858: 0C12    lsr     r2, r2, #0x10
0809C85A: 2010    mov     r0, #0x10
0809C85C: 9000    str     r0, [sp]
0809C85E: A801    add     r0, sp, #0x004
0809C860: 231E    mov     r3, #0x1E
0809C862: F7FF    bl       
0809C864: FE61    bl      0x0809C528

0809C866: B009    add     sp, #0x024
0809C868: BC01    pop     {r0}
0809C86A: 4700    bx      r0

;0809C86C: 3BBC    sub     r3, #0xBC
;0809C86E: 0873    lsr     r3, r6, #0x1
;0809C870: DE30    ???      
;0809C872: 0202    lsl     r2, r0, #0x8
;0809C874: 489E    ldr     r0, =#0x68687006
;0809C876: 0000    lsl     r0, r0, #0x0

$0809C878 - DMA to Palette RAM Buffer

r0 = Address of Data to transfer

r1 = Number of the palette to start

r2 = Number of Bytes to transfer (max.: #$200, of course)

0809C878: B510    push    {r4, lr}
0809C87A: 0409    lsl     r1, r1, #0x10
0809C87C: 0412    lsl     r2, r2, #0x10
0809C87E: 4B0E    ldr     r3, =#0x0202DE30
0809C880: 0AC9    lsr     r1, r1, #0xB
0809C882: 24CE    mov     r4, #0xCE
0809C884: 0164    lsl     r4, r4, #0x5			; r4 = #$000019C0
0809C886: 1909    add     r1, r1, r4
0809C888: 685B    ldr     r3, [r3, #0x04]		; Load value from $0202DE34 in r3, contains the offset of the graphics buffer, $0203CAD0
0809C88A: 185B    add     r3, r3, r1			; Offset of the graphics buffer + $000019C0 = Offset of the Palette RAM buffer
0809C88C: 490B    ldr     r1, =#0x040000D4
0809C88E: 6008    str     r0, [r1]			; DMA Source Address
0809C890: 604B    str     r3, [r1, #0x04]		; DMA Destination Address
0809C892: 0C52    lsr     r2, r2, #0x11
0809C894: 2380    mov     r3, #0x80			; DMA Enable Bit
0809C896: 061B    lsl     r3, r3, #0x18
0809C898: 431A    orr     r2, r3			; Add Enable Bit to Number of Bytes to transfer
0809C89A: 608A    str     r2, [r1, #0x08]		; Activate DMA
0809C89C: 6888    ldr     r0, [r1, #0x08]
0809C89E: 6888    ldr     r0, [r1, #0x08]
0809C8A0: 4018    and     r0, r3
0809C8A2: 2800    cmp     r0, #0x00
0809C8A4: D004    beq     0x0809C8B0			; Branch if DMA is done

0809C8A6: 1C1A    add     r2, r3, #0x0
0809C8A8: 6888    ldr     r0, [r1, #0x08]
0809C8AA: 4010    and     r0, r2
0809C8AC: 2800    cmp     r0, #0x00
0809C8AE: D1FB    bne     0x0809C8A8			; Loop if DMA isn't done

0809C8B0: BC10    pop     {r4}
0809C8B2: BC01    pop     {r0}
0809C8B4: 4700    bx      r0
;DATA
;============
;0809C8B6: 0000    lsl     r0, r0, #0x0
;0809C8B8: DE30    ???      
;0809C8BA: 0202    lsl     r2, r0, #0x8
;0809C8BC: 00D4    lsl     r4, r2, #0x3
;0809C8BE: 0400    lsl     r0, r0, #0x10

$0809C8C0 - ?

0809C8C0: B5F0    push    {r4, r5, r6, r7, lr}		; Store registers on Stack
0809C8C2: 464F    mov     r7, r9
0809C8C4: 4646    mov     r6, r8
0809C8C6: B4C0    push    {r6, r7}
0809C8C8: B081    add     sp, #-0x004			; Add 4 bytes on stack

0809C8CA: 0400    lsl     r0, r0, #0x10
0809C8CC: 0C05    lsr     r5, r0, #0x10			; r5 = r0 AND #$0000FFFF
0809C8CE: 4669    mov     r1, sp
0809C8D0: 2000    mov     r0, #0x00
0809C8D2: 8008    strh    r0, [r1]			; Clear two bytes of the newly add stack entry
0809C8D4: 491D    ldr     r1, =#0x040000D4
0809C8D6: 4668    mov     r0, sp
0809C8D8: 6008    str     r0, [r1]			; DMA Source Address: That Stack Entry
0809C8DA: 4A1D    ldr     r2, =#0x02032700
0809C8DC: 604A    str     r2, [r1, #0x04]		; DMA Destination: $02032700 (WRAM)
0809C8DE: 481D    ldr     r0, =#0x81004A2E
0809C8E0: 6088    str     r0, [r1, #0x08]		; Fixed Transfer, 4A2E Doublebytes
0809C8E2: 6888    ldr     r0, [r1, #0x08]
0809C8E4: 6888    ldr     r0, [r1, #0x08]
0809C8E6: 2380    mov     r3, #0x80
0809C8E8: 061B    lsl     r3, r3, #0x18			; Set up AND Mask for DMA Enable Bit
0809C8EA: 1C14    add     r4, r2, #0x0			; r4 = $02032700
0809C8EC: 4E1A    ldr     r6, =#0x0203BBA0		; r6 = $0203BBA0
0809C8EE: 4F1B    ldr     r7, =#0x0203CAD0		; r7 = $0203CAD0
0809C8F0: 4A1B    ldr     r2, =#0x0203CAC0
0809C8F2: 4694    mov     r12, r2			; r12 = $0203CAC0
0809C8F4: 4A1B    ldr     r2, =#0x0203BBF0
0809C8F6: 4690    mov     r8, r2			; r8 = $0203BBF0
0809C8F8: 4A1B    ldr     r2, =#0x0203BC10
0809C8FA: 4691    mov     r9, r2			; r9 = $0203BC10
0809C8FC: 2800    cmp     r0, #0x00
0809C8FE: DA04    bge     0x0809C90A			; Overbranch the next loop if DMA is completed

0809C900: 1C1A    add     r2, r3, #0x0
0809C902: 6888    ldr     r0, [r1, #0x08]
0809C904: 4010    and     r0, r2			; Exempt DMA Enable bit
0809C906: 2800    cmp     r0, #0x00			; Is it still set? Is the DMA still active?
0809C908: D1FB    bne     0x0809C902			; Loop if not

0809C90A: 4918    ldr     r1, =#0x00009448
0809C90C: 1860    add     r0, r4, r1			; r0 = $0400951C (Beyond used register area!?!)
0809C90E: 7005    strb    r5, [r0]
0809C910: 6026    str     r6, [r4]
0809C912: 6067    str     r7, [r4, #0x04]
0809C914: 4662    mov     r2, r12
0809C916: 60A2    str     r2, [r4, #0x08]
0809C918: 4640    mov     r0, r8
0809C91A: 60E0    str     r0, [r4, #0x0C]
0809C91C: 4649    mov     r1, r9
0809C91E: 6121    str     r1, [r4, #0x10]
0809C920: F003    bl       
0809C922: FD5C    bl      0x080A03DC
0809C924: 6920    ldr     r0, [r4, #0x10]
0809C926: 2300    mov     r3, #0x00
0809C928: 2D08    cmp     r5, #0x08
0809C92A: D100    bne     0x0809C92E

0809C92C: 2301    mov     r3, #0x01
0809C92E: 2102    mov     r1, #0x02
0809C930: 2200    mov     r2, #0x00
0809C932: F01A    bl       
0809C934: F81D    bl      0x080B6970
0809C936: F021    bl       
0809C938: FFE9    bl      0x080BE90C
0809C93A: F000    bl       
0809C93C: FBC1    bl      0x0809D0C0
0809C93E: 2D0A    cmp     r5, #0x0A
0809C940: D848    bhi     0x0809C9D4

0809C942: 00A8    lsl     r0, r5, #0x2			; LOAD ADDRESS FROM JUMP TABLE AND JUMP THERE
0809C944: 490A    ldr     r1, =#0x0809C974		; Address Table at $0809C974 onwards
0809C946: 1840    add     r0, r0, r1
0809C948: 6800    ldr     r0, [r0]
0809C94A: 4687    mov     pc, r0

;DATA
;==============
;0809C94C: 00D4    lsl     r4, r2, #0x3
;0809C94E: 0400    lsl     r0, r0, #0x10
;0809C950: 2700    mov     r7, #0x00
;0809C952: 0203    lsl     r3, r0, #0x8
;0809C954: 4A2E    ldr     r2, =#0x00009449
;0809C956: 8100    strh    r0, [r0, #0x08]
;0809C958: BBA0    pop     {r5, r7, pc}
;0809C95A: 0203    lsl     r3, r0, #0x8
;0809C95C: CAD0    ldmia   r2!, {r4, r6, r7}
;0809C95E: 0203    lsl     r3, r0, #0x8
;0809C960: CAC0    ldmia   r2!, {r6, r7}
;0809C962: 0203    lsl     r3, r0, #0x8
;0809C964: BBF0    pop     {r4, r5, r6, r7, pc}
;0809C966: 0203    lsl     r3, r0, #0x8
;0809C968: BC10    pop     {r4}
;0809C96A: 0203    lsl     r3, r0, #0x8
;0809C96C: 9448    str     r4, [sp, #0x120]
;0809C96E: 0000    lsl     r0, r0, #0x0
;0809C970: C974    ldmia   r1!, {r2, r4, r5, r6}
;0809C972: 0809    lsr     r1, r1, #0x0

; JUMP TABLE
;==============
; entry 0-3:		$0809C9A0
; entry 4:		$0809C9A6
; entry 5:		$0809C9AC
; entry 6:		$0809C9B2
; entry 7:		$0809C9C4
; entry 8:		$0809C9CA
; entry 9:		$0809C9D4
; entry A:		$0809C9D0
;0809C974: C9A0    ldmia   r1!, {r5, r7}
;0809C976: 0809    lsr     r1, r1, #0x0
;0809C978: C9A0    ldmia   r1!, {r5, r7}
;0809C97A: 0809    lsr     r1, r1, #0x0
;0809C97C: C9A0    ldmia   r1!, {r5, r7}
;0809C97E: 0809    lsr     r1, r1, #0x0
;0809C980: C9A0    ldmia   r1!, {r5, r7}
;0809C982: 0809    lsr     r1, r1, #0x0
;0809C984: C9A6    ldmia   r1!, {r1, r2, r5, r7}
;0809C986: 0809    lsr     r1, r1, #0x0
;0809C988: C9AC    ldmia   r1!, {r2, r3, r5, r7}
;0809C98A: 0809    lsr     r1, r1, #0x0
;0809C98C: C9B2    ldmia   r1!, {r1, r4, r5, r7}
;0809C98E: 0809    lsr     r1, r1, #0x0
;0809C990: C9C4    ldmia   r1!, {r2, r6, r7}
;0809C992: 0809    lsr     r1, r1, #0x0
;0809C994: C9CA    ldmia   r1!, {r1, r3, r6, r7}
;0809C996: 0809    lsr     r1, r1, #0x0
;0809C998: C9D4    ldmia   r1!, {r2, r4, r6, r7}
;0809C99A: 0809    lsr     r1, r1, #0x0
;0809C99C: C9D0    ldmia   r1!, {r4, r6, r7}
;0809C99E: 0809    lsr     r1, r1, #0x0

0809C9A0: F000    bl       
0809C9A2: F838    bl      0x0809CA14
0809C9A4: E016    b       0x0809C9D4
0809C9A6: F000    bl       
0809C9A8: F8ED    bl      0x0809CB84
0809C9AA: E013    b       0x0809C9D4
0809C9AC: F000    bl       
0809C9AE: F938    bl      0x0809CC20
0809C9B0: E010    b       0x0809C9D4
0809C9B2: 4803    ldr     r0, =#0x020326F0
0809C9B4: 8800    ldrh    r0, [r0]
0809C9B6: 280D    cmp     r0, #0x0D
0809C9B8: D80C    bhi     0x0809C9D4

0809C9BA: F000    bl       
0809C9BC: F967    bl      0x0809CC8C
0809C9BE: E009    b       0x0809C9D4

0809C9C0: 26F0    mov     r6, #0xF0
0809C9C2: 0203    lsl     r3, r0, #0x8
0809C9C4: F000    bl       
0809C9C6: F974    bl      0x0809CCB0
0809C9C8: E004    b       0x0809C9D4
0809C9CA: F000    bl       
0809C9CC: F983    bl      0x0809CCD4
0809C9CE: E001    b       0x0809C9D4
0809C9D0: F000    bl       
0809C9D2: F9A6    bl      0x0809CD20

0809C9D4: F000    bl       
0809C9D6: FB6A    bl      0x0809D0AC
0809C9D8: 4A0B    ldr     r2, =#0x020326F0
0809C9DA: 2000    mov     r0, #0x00
0809C9DC: 8010    strh    r0, [r2]
0809C9DE: 7891    ldrb    r1, [r2, #0x02]
0809C9E0: 3802    sub     r0, #0x02
0809C9E2: 4008    and     r0, r1
0809C9E4: 2103    mov     r1, #0x03
0809C9E6: 4249    neg     r1, r1
0809C9E8: 4008    and     r0, r1
0809C9EA: 3902    sub     r1, #0x02
0809C9EC: 4008    and     r0, r1
0809C9EE: 7090    strb    r0, [r2, #0x02]
0809C9F0: 4806    ldr     r0, =#0x02032700
0809C9F2: 4A07    ldr     r2, =#0x00009449
0809C9F4: 1880    add     r0, r0, r2
0809C9F6: 7800    ldrb    r0, [r0]
0809C9F8: B001    add     sp, #0x004
0809C9FA: BC18    pop     {r3, r4}
0809C9FC: 4698    mov     r8, r3
0809C9FE: 46A1    mov     r9, r4
0809CA00: BCF0    pop     {r4, r5, r6, r7}
0809CA02: BC02    pop     {r1}
0809CA04: 4708    bx      r1

;DATA
;==============
;0809CA06: 0000    lsl     r0, r0, #0x0
;0809CA08: 26F0    mov     r6, #0xF0
;0809CA0A: 0203    lsl     r3, r0, #0x8
;0809CA0C: 2700    mov     r7, #0x00
;0809CA0E: 0203    lsl     r3, r0, #0x8
;0809CA10: 9449    str     r4, [sp, #0x124]
;0809CA12: 0000    lsl     r0, r0, #0x0

$0809CA14 - ?

0809CA14: B570    push    {r4, r5, r6, lr}
0809CA16: 4C16    ldr     r4, =#0x02032714
0809CA18: 1C20    add     r0, r4, #0x0				; r0 = #$02032714
0809CA1A: F00B    bl       
0809CA1C: F85D    bl      0x080A7AD8
0809CA1E: 1C20    add     r0, r4, #0x0				; r0 = #$02032714
0809CA20: F016    bl       
0809CA22: FA12    bl      0x080B2E48
0809CA24: 1C25    add     r5, r4, #0x0				; r5 = #$02032714
0809CA26: 3D14    sub     r5, #0x14				; r5 = #$02032700
0809CA28: 4812    ldr     r0, =#0x00009432
0809CA2A: 1821    add     r1, r4, r0				; r1 = #$0203BB46
0809CA2C: 2600    mov     r6, #0x00
0809CA2E: 200F    mov     r0, #0x0F
0809CA30: 8008    strh    r0, [r1]				; $0203BB46 = #$000F
0809CA32: 4811    ldr     r0, =#0x00009430
0809CA34: 1821    add     r1, r4, r0
0809CA36: 8808    ldrh    r0, [r1]
0809CA38: 203F    mov     r0, #0x3F
0809CA3A: 8008    strh    r0, [r1]				; $0203BB44 = #$003F
0809CA3C: 6828    ldr     r0, [r5]				; r0 = $02032700
0809CA3E: 880B    ldrh    r3, [r1]				; r3 = #$003F
0809CA40: 210F    mov     r1, #0x0F
0809CA42: 220F    mov     r2, #0x0F
0809CA44: F021    bl       
0809CA46: FCB8    bl      0x080BE3B8
0809CA48: 4A0C    ldr     r2, =#0x04000050
0809CA4A: 6829    ldr     r1, [r5]
0809CA4C: 8808    ldrh    r0, [r1]
0809CA4E: 8010    strh    r0, [r2]
0809CA50: 3202    add     r2, #0x02
0809CA52: 8848    ldrh    r0, [r1, #0x02]
0809CA54: 8010    strh    r0, [r2]
0809CA56: 3202    add     r2, #0x02
0809CA58: 8888    ldrh    r0, [r1, #0x04]
0809CA5A: 8010    strh    r0, [r2]
0809CA5C: 4908    ldr     r1, =#0x00009434
0809CA5E: 1860    add     r0, r4, r1
0809CA60: 7800    ldrb    r0, [r0]
0809CA62: 2801    cmp     r0, #0x01
0809CA64: D02E    beq     0x0809CAC4
0809CA66: 2801    cmp     r0, #0x01
0809CA68: DC0C    bgt     0x0809CA84
0809CA6A: 2800    cmp     r0, #0x00
0809CA6C: D00F    beq     0x0809CA8E
0809CA6E: E064    b       0x0809CB3A

;0809CA70: 2714    mov     r7, #0x14
;0809CA72: 0203    lsl     r3, r0, #0x8
;0809CA74: 9432    str     r4, [sp, #0x0C8]
;0809CA76: 0000    lsl     r0, r0, #0x0
;0809CA78: 9430    str     r4, [sp, #0x0C0]
;0809CA7A: 0000    lsl     r0, r0, #0x0
;0809CA7C: 0050    lsl     r0, r2, #0x1
;0809CA7E: 0400    lsl     r0, r0, #0x10
;0809CA80: 9434    str     r4, [sp, #0x0D0]
;0809CA82: 0000    lsl     r0, r0, #0x0

0809CA84: 2802    cmp     r0, #0x02
0809CA86: D043    beq     0x0809CB10
0809CA88: 2803    cmp     r0, #0x03
0809CA8A: D04D    beq     0x0809CB28
0809CA8C: E055    b       0x0809CB3A

0809CA8E: 480B    ldr     r0, =#0x0000943A
0809CA90: 1823    add     r3, r4, r0
0809CA92: 781A    ldrb    r2, [r3]

0809CA94: 0711    lsl     r1, r2, #0x1C
0809CA96: 0FC9    lsr     r1, r1, #0x1F
0809CA98: 06D0    lsl     r0, r2, #0x1B
0809CA9A: 0FC0    lsr     r0, r0, #0x1F
0809CA9C: 4301    orr     r1, r0
0809CA9E: 2900    cmp     r1, #0x00
0809CAA0: D04B    beq     0x0809CB3A

0809CAA2: 2040    mov     r0, #0x40
0809CAA4: 4310    orr     r0, r2
0809CAA6: 7018    strb    r0, [r3]
0809CAA8: 4805    ldr     r0, =#0x000037CC
0809CAAA: 1821    add     r1, r4, r0
0809CAAC: 2076    mov     r0, #0x76
0809CAAE: 8008    strh    r0, [r1]
0809CAB0: 1C20    add     r0, r4, #0x0
0809CAB2: 2100    mov     r1, #0x00
0809CAB4: 2212    mov     r2, #0x12
0809CAB6: F00C    bl       
0809CAB8: F9F9    bl      0x080A8EAC
0809CABA: E03E    b       0x0809CB3A

;0809CABC: 943A    str     r4, [sp, #0x0E8]
;0809CABE: 0000    lsl     r0, r0, #0x0
;0809CAC0: 37CC    add     r7, #0xCC
;0809CAC2: 0000    lsl     r0, r0, #0x0
 
0809CAC4: 490E    ldr     r1, =#0x0000943A
0809CAC6: 1863    add     r3, r4, r1
0809CAC8: 781A    ldrb    r2, [r3]
0809CACA: 0711    lsl     r1, r2, #0x1C
0809CACC: 0FC9    lsr     r1, r1, #0x1F
0809CACE: 06D0    lsl     r0, r2, #0x1B
0809CAD0: 0FC0    lsr     r0, r0, #0x1F
0809CAD2: 4301    orr     r1, r0
0809CAD4: 2900    cmp     r1, #0x00
0809CAD6: D030    beq     0x0809CB3A

0809CAD8: 2080    mov     r0, #0x80
0809CADA: 4310    orr     r0, r2
0809CADC: 7018    strb    r0, [r3]
0809CADE: 6868    ldr     r0, [r5, #0x04]
0809CAE0: 4908    ldr     r1, =#0x00001F08
0809CAE2: 1840    add     r0, r0, r1
0809CAE4: 7801    ldrb    r1, [r0]
0809CAE6: 7006    strb    r6, [r0]
0809CAE8: 6868    ldr     r0, [r5, #0x04]
0809CAEA: 4907    ldr     r1, =#0x00001F09
0809CAEC: 1840    add     r0, r0, r1
0809CAEE: 7801    ldrb    r1, [r0]
0809CAF0: 7006    strb    r6, [r0]
0809CAF2: 6868    ldr     r0, [r5, #0x04]
0809CAF4: 4905    ldr     r1, =#0x00001F0A
0809CAF6: 1840    add     r0, r0, r1

0809CAF8: 7801    ldrb    r1, [r0]
0809CAFA: 7006    strb    r6, [r0]
0809CAFC: E01D    b       0x0809CB3A

;0809CAFE: 0000    lsl     r0, r0, #0x0
;0809CB00: 943A    str     r4, [sp, #0x0E8]
;0809CB02: 0000    lsl     r0, r0, #0x0
;0809CB04: 1F08    sub     r0, r1, #0x4
;0809CB06: 0000    lsl     r0, r0, #0x0
;0809CB08: 1F09    sub     r1, r1, #0x4
;0809CB0A: 0000    lsl     r0, r0, #0x0
;0809CB0C: 1F0A    sub     r2, r1, #0x4
;0809CB0E: 0000    lsl     r0, r0, #0x0

0809CB10: 4804    ldr     r0, =#0x000037CC
0809CB12: 1821    add     r1, r4, r0
0809CB14: 2061    mov     r0, #0x61
0809CB16: 8008    strh    r0, [r1]
0809CB18: 1C20    add     r0, r4, #0x0
0809CB1A: 2100    mov     r1, #0x00
0809CB1C: 2213    mov     r2, #0x13
0809CB1E: F00C    bl       
0809CB20: F9C5    bl      0x080A8EAC
0809CB22: E00A    b       0x0809CB3A

;0809CB24: 37CC    add     r7, #0xCC
;0809CB26: 0000    lsl     r0, r0, #0x0

0809CB28: 4809    ldr     r0, =#0x000037CC
0809CB2A: 1821    add     r1, r4, r0
0809CB2C: 207B    mov     r0, #0x7B
0809CB2E: 8008    strh    r0, [r1]
0809CB30: 1C20    add     r0, r4, #0x0
0809CB32: 2100    mov     r1, #0x00
0809CB34: 2212    mov     r2, #0x12
0809CB36: F00C    bl       
0809CB38: F9B9    bl      0x080A8EAC
0809CB3A: 4C06    ldr     r4, =#0x02032700
0809CB3C: 4906    ldr     r1, =#0x00009448
0809CB3E: 1860    add     r0, r4, r1
0809CB40: 7800    ldrb    r0, [r0]
0809CB42: 2803    cmp     r0, #0x03
0809CB44: D10A    bne     0x0809CB5C
0809CB46: 2030    mov     r0, #0x30
0809CB48: F7BE    bl       
0809CB4A: FD0C    bl      0x0805B564
0809CB4C: E013    b       0x0809CB76

;0809CB4E: 0000    lsl     r0, r0, #0x0
;0809CB50: 37CC    add     r7, #0xCC
;0809CB52: 0000    lsl     r0, r0, #0x0
;0809CB54: 2700    mov     r7, #0x00
;0809CB56: 0203    lsl     r3, r0, #0x8
;0809CB58: 9448    str     r4, [sp, #0x120]
;0809CB5A: 0000    lsl     r0, r0, #0x0

0809CB5C: 4908    ldr     r1, =#0x0000944E
0809CB5E: 1860    add     r0, r4, r1
0809CB60: 7800    ldrb    r0, [r0]
0809CB62: 09C0    lsr     r0, r0, #0x7
0809CB64: 2800    cmp     r0, #0x00
0809CB66: D106    bne     0x0809CB76
0809CB68: 2046    mov     r0, #0x46
0809CB6A: F7BE    bl       
0809CB6C: FCFB    bl      0x0805B564
0809CB6E: 1C20    add     r0, r4, #0x0
0809CB70: 3014    add     r0, #0x14
0809CB72: F017    bl       
0809CB74: FFBD    bl      0x080B4AF0
0809CB76: F000    bl       
0809CB78: F8ED    bl      0x0809CD54
0809CB7A: BC70    pop     {r4, r5, r6}
0809CB7C: BC01    pop     {r0}
0809CB7E: 4700    bx      r0

;0809CB80: 944E    str     r4, [sp, #0x138]
;0809CB82: 0000    lsl     r0, r0, #0x0

$0809CC20 - ?

0809CC20: B510    push    {r4, lr}
0809CC22: 4C16    ldr     r4, =#0x02032714
0809CC24: 1C20    add     r0, r4, #0x0				; r0 = $02032714
0809CC26: F00A    bl       
0809CC28: FE7B    bl      0x080A7920				; ?
0809CC2A: 1C20    add     r0, r4, #0x0				; r0 = $02032714
0809CC2C: F017    bl       
0809CC2E: FF60    bl      0x080B4AF0				; ?
0809CC30: 1C20    add     r0, r4, #0x0				; r0 = $02032714
0809CC32: F016    bl       
0809CC34: F909    bl      0x080B2E48				; ?
0809CC36: 1C20    add     r0, r4, #0x0
0809CC38: 3814    sub     r0, #0x14
0809CC3A: 6840    ldr     r0, [r0, #0x04]			; r0 = [$02032704]
0809CC3C: F000    bl       
0809CC3E: FCFC    bl      0x0809D638				; ?
0809CC40: 490F    ldr     r1, =#0x0000943A
0809CC42: 1860    add     r0, r4, r1				; r0 = $0203BB4E
0809CC44: 7800    ldrb    r0, [r0]
0809CC46: 0700    lsl     r0, r0, #0x1C
0809CC48: 2800    cmp     r0, #0x00
0809CC4A: DA0E    bge     0x0809CC6A				; Branch if Bit 3 of $0203BB4E is clear

0809CC4C: 480D    ldr     r0, =#0x000037CC
0809CC4E: 1821    add     r1, r4, r0
0809CC50: 2063    mov     r0, #0x63
0809CC52: 8008    strh    r0, [r1]				; Stor #$63 in $02035EE0
0809CC54: 1C20    add     r0, r4, #0x0			; r0 = #$02032714
0809CC56: 2100    mov     r1, #0x00				; r1 = #$00
0809CC58: 2212    mov     r2, #0x12				; r2 = #$12
0809CC5A: F00C    bl       
0809CC5C: F927    bl      0x080A8EAC				; ?
0809CC5E: 490A    ldr     r1, =#0x000037D5
0809CC60: 1862    add     r2, r4, r1
0809CC62: 7810    ldrb    r0, [r2]				; r0 = [$02035EE9]
0809CC64: 2101    mov     r1, #0x01
0809CC66: 4308    orr     r0, r1
0809CC68: 7010    strb    r0, [r2]				; Set Bit 0 in $02035EE9

0809CC6A: 2046    mov     r0, #0x46				; r0 = #$46
0809CC6C: F7BE    bl       
0809CC6E: FC7A    bl      0x0805B564				; ?
0809CC70: F000    bl       
0809CC72: F870    bl      0x0809CD54				; ?
0809CC74: BC10    pop     {r4}
0809CC76: BC01    pop     {r0}
0809CC78: 4700    bx      r0

;0809CC7A: 0000    lsl     r0, r0, #0x0
;0809CC7C: 2714    mov     r7, #0x14
;0809CC7E: 0203    lsl     r3, r0, #0x8
;0809CC80: 943A    str     r4, [sp, #0x0E8]
;0809CC82: 0000    lsl     r0, r0, #0x0
;0809CC84: 37CC    add     r7, #0xCC
;0809CC86: 0000    lsl     r0, r0, #0x0
;0809CC88: 37D5    add     r7, #0xD5
;0809CC8A: 0000    lsl     r0, r0, #0x0

$0809CC8C - ?

0809CC8C: B510    push    {r4, lr}

0809CC8E: 4C07    ldr     r4, =#0x02032714
0809CC90: 1C20    add     r0, r4, #0x0				; r0 = #$02032714
0809CC92: F00A    bl       
0809CC94: FF33    bl      0x080A7AFC				; ?
0809CC96: 1C20    add     r0, r4, #0x0				; r0 = #$02032714
0809CC98: F017    bl       
0809CC9A: FF2A    bl      0x080B4AF0				; ?
0809CC9C: 1C20    add     r0, r4, #0x0				; r0 = #$02032714
0809CC9E: F016    bl       
0809CCA0: F8D3    bl      0x080B2E48				; ?
0809CCA2: F000    bl       
0809CCA4: F857    bl      0x0809CD54				; ?

0809CCA6: BC10    pop     {r4}
0809CCA8: BC01    pop     {r0}
0809CCAA: 4700    bx      r0

;0809CCAC: 2714    mov     r7, #0x14
;0809CCAE: 0203    lsl     r3, r0, #0x8

$0809CDE0 - ?

0809CDE0: B510    push    {r4, lr}
0809CDE2: 4809    ldr     r0, =#0x02032700
0809CDE4: 4A09    ldr     r2, =#0x0000944D
0809CDE6: 1881    add     r1, r0, r2
0809CDE8: 7808    ldrb    r0, [r1]			; r0 = $0203BB4D
0809CDEA: 07C0    lsl     r0, r0, #0x1F
0809CDEC: 2800    cmp     r0, #0x00
0809CDEE: D107    bne     0x0809CE00			; Exit if Bit 0 of $0203BB4D is set

0809CDF0: 1C0C    add     r4, r1, #0x0			; r4 = #$0203BB4D

0809CDF2: 2001    mov     r0, #0x01
0809CDF4: F000    bl       
0809CDF6: F8D4    bl      0x0809CFA0			; ?
0809CDF8: 7820    ldrb    r0, [r4]
0809CDFA: 07C0    lsl     r0, r0, #0x1F
0809CDFC: 2800    cmp     r0, #0x00
0809CDFE: D0F8    beq     0x0809CDF2			; Loop if Bit 0 of $0203BB4D is clear

0809CE00: BC10    pop     {r4}
0809CE02: BC01    pop     {r0}
0809CE04: 4700    bx      r0

;0809CE06: 0000    lsl     r0, r0, #0x0
;0809CE08: 2700    mov     r7, #0x00
;0809CE0A: 0203    lsl     r3, r0, #0x8
;0809CE0C: 944D    str     r4, [sp, #0x134]
;0809CE0E: 0000    lsl     r0, r0, #0x0

$0809CFF4 - (Remove Bit 3 of $020361EA and call a subroutine)

0809CFF4: B500    push    {lr}
0809CFF6: 4B06    ldr     r3, =#0x02032700
0809CFF8: 4806    ldr     r0, =#0x00003AEA
0809CFFA: 181A    add     r2, r3, r0
0809CFFC: 7811    ldrb    r1, [r2]			; r1 = $020361EA
0809CFFE: 2009    mov     r0, #0x09
0809D000: 4240    neg     r0, r0			; r0 = #$FFFFFFF7
0809D002: 4008    and     r0, r1			; Remove Bit 3
0809D004: 7010    strb    r0, [r2]			; Store back
0809D006: 6858    ldr     r0, [r3, #0x04]		; r0 = $02032704
0809D008: F021    bl       
0809D00A: FCC6    bl      0x080BE998			; ?
0809D00C: BC01    pop     {r0}

$0809D0AC - Turn Screen off

0809D0AC: 4803    ldr     r0, =#0x04000050
0809D0AE: 2100    mov     r1, #0x00
0809D0B0: 8001    strh    r1, [r0]				; store #$0000 into $04000050/1 : Turn off special effects
0809D0B2: 3002    add     r0, #0x02
0809D0B4: 8001    strh    r1, [r0]				; store #$0000 into $04000052/3 : Turn off Alpha blending coefficients
0809D0B6: 3002    add     r0, #0x02
0809D0B8: 8001    strh    r1, [r0]				; store #$0000 into $04000054/5 = Clear Screen Brightness
0809D0BA: 4770    bx      lr

;0809D0BC: 0050    lsl     r0, r2, #0x1
;0809D0BE: 0400    lsl     r0, r0, #0x10

$0809D0C0 - ?

This Subroutine

  • sets up the Random Number Table (I guess...?)
  • turns $0203BB4D to #%????.?010
  • sets r2 to $0203BB4E's value (and clears Bits: #%????.000?)
  • turns $0203BB51 to #%??00.????
  • sets r2's Bit 3 according to $020326F0's Bit 16 (aka. $020326F2's Bit 0)


0809D0C0: B5F0    push    {r4, r5, r6, r7, lr}
0809D0C2: 4657    mov     r7, r10
0809D0C4: 464E    mov     r6, r9
0809D0C6: 4645    mov     r5, r8
0809D0C8: B4E0    push    {r5, r6, r7}
0809D0CA: B081    add     sp, #-0x004				; Add new Stack entry

0809D0CC: 4829    ldr     r0, =#0x00001105
0809D0CE: F022    bl       
0809D0D0: F8D3    bl      0x080BF278				; (Set up Randum number Table?)
0809D0D2: 4B29    ldr     r3, =#0x02032700
0809D0D4: 4829    ldr     r0, =#0x0000944D
0809D0D6: 181A    add     r2, r3, r0
0809D0D8: 7811    ldrb    r1, [r2]				; r1 = $0203BB4D
0809D0DA: 2002    mov     r0, #0x02
0809D0DC: 4240    neg     r0, r0
0809D0DE: 4008    and     r0, r1				; Remove Bit 0 from $0203BB4D
0809D0E0: 2102    mov     r1, #0x02
0809D0E2: 4308    orr     r0, r1				; Set Bit 1 in $0203BB4D
0809D0E4: 2105    mov     r1, #0x05
0809D0E6: 4249    neg     r1, r1
0809D0E8: 4008    and     r0, r1				; Remove Bit 2 from $0203BB4D
0809D0EA: 7010    strb    r0, [r2]				; Store value back in $0203BB4D
0809D0EC: 4A24    ldr     r2, =#0x0000944E
0809D0EE: 18D2    add     r2, r2, r3
0809D0F0: 4691    mov     r9, r2				; r9 = #$0203BB4E
0809D0F2: 7810    ldrb    r0, [r2]				; r0 = $0203BB4E
0809D0F4: 2203    mov     r2, #0x03
0809D0F6: 4252    neg     r2, r2
0809D0F8: 4002    and     r2, r0				; Remove Bit 1 from $0203BB4E
0809D0FA: 400A    and     r2, r1				; Remove Bit 2 from $0203BB4E
0809D0FC: 4D21    ldr     r5, =#0x00009451
0809D0FE: 195F    add     r7, r3, r5
0809D100: 7838    ldrb    r0, [r7]				; r0 = $0203BB51
0809D102: 2311    mov     r3, #0x11
0809D104: 425B    neg     r3, r3
0809D106: 1C1E    add     r6, r3, #0x0
0809D108: 4006    and     r6, r0				; Remove Bit 4 from $0203BB51
0809D10A: 2421    mov     r4, #0x21
0809D10C: 4264    neg     r4, r4
0809D10E: 4026    and     r6, r4				; Remove Bit 5 from $0203BB51
0809D110: 703E    strb    r6, [r7]				; Store value back in $0203BB51
0809D112: 481D    ldr     r0, =#0x020326F0
0809D114: 6801    ldr     r1, [r0]				; r1 = $020326F0
0809D116: 03C8    lsl     r0, r1, #0xF
0809D118: 0FC0    lsr     r0, r0, #0x1F				; r1's Bit 0 = $020326F0's Bit 16
0809D11A: 00C0    lsl     r0, r0, #0x3				; r1's Bit 3 = $020326F0's Bit 16
0809D11C: 2509    mov     r5, #0x09
0809D11E: 426D    neg     r5, r5
0809D120: 46A8    mov     r8, r5
0809D122: 402A    and     r2, r5				; Remove Bit 3 from $0203BB4E
0809D124: 4302    orr     r2, r0				; Add $020326F0's Bit 16 as Bit 3
0809D126: 0388    lsl     r0, r1, #0xE
0809D128: 0FC0    lsr     r0, r0, #0x1F
0809D12A: 0100    lsl     r0, r0, #0x4
0809D12C: 401A    and     r2, r3
0809D12E: 4302    orr     r2, r0
0809D130: 0349    lsl     r1, r1, #0xD
0809D132: 2301    mov     r3, #0x01
0809D134: 0FC9    lsr     r1, r1, #0x1F
0809D136: 0149    lsl     r1, r1, #0x5
0809D138: 4022    and     r2, r4
0809D13A: 430A    orr     r2, r1
0809D13C: 2041    mov     r0, #0x41
0809D13E: 4240    neg     r0, r0
0809D140: 4002    and     r2, r0
0809D142: 207F    mov     r0, #0x7F
0809D144: 4002    and     r2, r0
0809D146: 4648    mov     r0, r9
0809D148: 7002    strb    r2, [r0]
0809D14A: 0711    lsl     r1, r2, #0x1C
0809D14C: 0FC9    lsr     r1, r1, #0x1F
0809D14E: 06D0    lsl     r0, r2, #0x1B
0809D150: 0FC0    lsr     r0, r0, #0x1F
0809D152: 4301    orr     r1, r0
0809D154: 0952    lsr     r2, r2, #0x5
0809D156: 4311    orr     r1, r2
0809D158: 2900    cmp     r1, #0x00
0809D15A: D106    bne     0x0809D16A

0809D15C: 480B    ldr     r0, =#0x02029CB0
0809D15E: 307C    add     r0, #0x7C
0809D160: 7800    ldrb    r0, [r0]
0809D162: 0980    lsr     r0, r0, #0x6
0809D164: 4018    and     r0, r3
0809D166: 2800    cmp     r0, #0x00
0809D168: D012    beq     0x0809D190

0809D16A: 2108    mov     r1, #0x08
0809D16C: 1C30    add     r0, r6, #0x0
0809D16E: 4308    orr     r0, r1
0809D170: E011    b       0x0809D196
 
;0809D172: 0000    lsl     r0, r0, #0x0
;0809D174: 1105    asr     r5, r0, #0x4
;0809D176: 0000    lsl     r0, r0, #0x0
;0809D178: 2700    mov     r7, #0x00
;0809D17A: 0203    lsl     r3, r0, #0x8
;0809D17C: 944D    str     r4, [sp, #0x134]
;0809D17E: 0000    lsl     r0, r0, #0x0
;0809D180: 944E    str     r4, [sp, #0x138]
;0809D182: 0000    lsl     r0, r0, #0x0
;0809D184: 9451    str     r4, [sp, #0x144]
;0809D186: 0000    lsl     r0, r0, #0x0
;0809D188: 26F0    mov     r6, #0xF0
;0809D18A: 0203    lsl     r3, r0, #0x8
;0809D18C: 9CB0    ldr     r4, [sp, #0x2C0]
;0809D18E: 0202    lsl     r2, r0, #0x8

0809D190: 1C30    add     r0, r6, #0x0
0809D192: 4641    mov     r1, r8
0809D194: 4008    and     r0, r1
0809D196: 7038    strb    r0, [r7]
0809D198: 4D53    ldr     r5, =#0x02032700
0809D19A: 4A54    ldr     r2, =#0x0203BB44
0809D19C: 8810    ldrh    r0, [r2]
0809D19E: 2000    mov     r0, #0x00
0809D1A0: 8010    strh    r0, [r2]
0809D1A2: 4B53    ldr     r3, =#0x00009446
0809D1A4: 18E9    add     r1, r5, r3
0809D1A6: 4853    ldr     r0, =#0x0000FFFF
0809D1A8: 8008    strh    r0, [r1]
0809D1AA: 4853    ldr     r0, =#0x0000944F
0809D1AC: 1829    add     r1, r5, r0
0809D1AE: 2303    mov     r3, #0x03
0809D1B0: 425B    neg     r3, r3
0809D1B2: 2405    mov     r4, #0x05
0809D1B4: 4264    neg     r4, r4
0809D1B6: 2609    mov     r6, #0x09
0809D1B8: 4276    neg     r6, r6
0809D1BA: 2211    mov     r2, #0x11
0809D1BC: 4252    neg     r2, r2
0809D1BE: 4691    mov     r9, r2
0809D1C0: 2721    mov     r7, #0x21
0809D1C2: 427F    neg     r7, r7
0809D1C4: 2041    mov     r0, #0x41
0809D1C6: 4240    neg     r0, r0
0809D1C8: 4680    mov     r8, r0
0809D1CA: 2000    mov     r0, #0x00
0809D1CC: 7008    strb    r0, [r1]
0809D1CE: 4A4B    ldr     r2, =#0x00009450
0809D1D0: 18A9    add     r1, r5, r2
0809D1D2: 7008    strb    r0, [r1]
0809D1D4: 484A    ldr     r0, =#0x00009451
0809D1D6: 182A    add     r2, r5, r0
0809D1D8: 7811    ldrb    r1, [r2]
0809D1DA: 2002    mov     r0, #0x02
0809D1DC: 4240    neg     r0, r0
0809D1DE: 4008    and     r0, r1
0809D1E0: 4018    and     r0, r3
0809D1E2: 4020    and     r0, r4
0809D1E4: 7010    strb    r0, [r2]
0809D1E6: 6828    ldr     r0, [r5]
0809D1E8: F000    bl       
0809D1EA: F8E4    bl      0x0809D3B4
0809D1EC: 6868    ldr     r0, [r5, #0x04]
0809D1EE: F000    bl       
0809D1F0: F96D    bl      0x0809D4CC
0809D1F2: 4944    ldr     r1, =#0x00008FD0
0809D1F4: 1868    add     r0, r5, r1
0809D1F6: F000    bl       
0809D1F8: FAAF    bl      0x0809D758
0809D1FA: 1C28    add     r0, r5, #0x0
0809D1FC: 3014    add     r0, #0x14
0809D1FE: F001    bl       
0809D200: F97F    bl      0x0809E500
0809D202: 4A41    ldr     r2, =#0x00003AEC
0809D204: 18A8    add     r0, r5, r2			; r0 = #$020361EC
0809D206: F001    bl       
0809D208: FC17    bl      0x0809EA38
0809D20A: 4B40    ldr     r3, =#0x00003F04
0809D20C: 18E8    add     r0, r5, r3
0809D20E: 2101    mov     r1, #0x01
0809D210: F001    bl       
0809D212: FCF8    bl      0x0809EC04
0809D214: F01D    bl       
0809D216: FA0C    bl      0x080BA630
0809D218: 0600    lsl     r0, r0, #0x18
0809D21A: 0E00    lsr     r0, r0, #0x18
0809D21C: 493C    ldr     r1, =#0x0000944D
0809D21E: 186C    add     r4, r5, r1
0809D220: 2201    mov     r2, #0x01
0809D222: 4692    mov     r10, r2
0809D224: 4653    mov     r3, r10
0809D226: 4018    and     r0, r3
0809D228: 00C0    lsl     r0, r0, #0x3
0809D22A: 7821    ldrb    r1, [r4]
0809D22C: 400E    and     r6, r1
0809D22E: 4306    orr     r6, r0
0809D230: 7026    strb    r6, [r4]
0809D232: F01D    bl       
0809D234: FA13    bl      0x080BA65C
0809D236: 0600    lsl     r0, r0, #0x18
0809D238: 0E00    lsr     r0, r0, #0x18
0809D23A: 4651    mov     r1, r10
0809D23C: 4008    and     r0, r1
0809D23E: 0100    lsl     r0, r0, #0x4
0809D240: 7821    ldrb    r1, [r4]
0809D242: 464A    mov     r2, r9
0809D244: 400A    and     r2, r1
0809D246: 4302    orr     r2, r0
0809D248: 7022    strb    r2, [r4]
0809D24A: F01D    bl       
0809D24C: FA15    bl      0x080BA678
0809D24E: 0600    lsl     r0, r0, #0x18
0809D250: 0E00    lsr     r0, r0, #0x18
0809D252: 4653    mov     r3, r10
0809D254: 4018    and     r0, r3
0809D256: 0140    lsl     r0, r0, #0x5
0809D258: 7821    ldrb    r1, [r4]
0809D25A: 400F    and     r7, r1
0809D25C: 4307    orr     r7, r0
0809D25E: 7027    strb    r7, [r4]
0809D260: F01D    bl       
0809D262: FA18    bl      0x080BA694
0809D264: 0600    lsl     r0, r0, #0x18
0809D266: 0E00    lsr     r0, r0, #0x18
0809D268: 4651    mov     r1, r10
0809D26A: 4008    and     r0, r1
0809D26C: 0180    lsl     r0, r0, #0x6
0809D26E: 7821    ldrb    r1, [r4]
0809D270: 4642    mov     r2, r8
0809D272: 400A    and     r2, r1
0809D274: 4302    orr     r2, r0
0809D276: 7022    strb    r2, [r4]
0809D278: F01D    bl       
0809D27A: FA1A    bl      0x080BA6B0
0809D27C: 0600    lsl     r0, r0, #0x18
0809D27E: 0C40    lsr     r0, r0, #0x11
0809D280: 7821    ldrb    r1, [r4]
0809D282: 237F    mov     r3, #0x7F
0809D284: 4019    and     r1, r3
0809D286: 4301    orr     r1, r0
0809D288: 7021    strb    r1, [r4]
0809D28A: 06CA    lsl     r2, r1, #0x1B
0809D28C: 0FD2    lsr     r2, r2, #0x1F
0809D28E: 0688    lsl     r0, r1, #0x1A
0809D290: 0FC0    lsr     r0, r0, #0x1F
0809D292: 4302    orr     r2, r0
0809D294: 0648    lsl     r0, r1, #0x19
0809D296: 0FC0    lsr     r0, r0, #0x1F
0809D298: 4302    orr     r2, r0
0809D29A: 0609    lsl     r1, r1, #0x18
0809D29C: 0FC9    lsr     r1, r1, #0x1F
0809D29E: 430A    orr     r2, r1
0809D2A0: 481C    ldr     r0, =#0x0000944E
0809D2A2: 1829    add     r1, r5, r0
0809D2A4: 4653    mov     r3, r10
0809D2A6: 401A    and     r2, r3
0809D2A8: 7808    ldrb    r0, [r1]
0809D2AA: 2302    mov     r3, #0x02
0809D2AC: 425B    neg     r3, r3
0809D2AE: 4003    and     r3, r0
0809D2B0: 4313    orr     r3, r2
0809D2B2: 700B    strb    r3, [r1]
0809D2B4: 4918    ldr     r1, =#0x00003E4C
0809D2B6: 1868    add     r0, r5, r1
0809D2B8: F01A    bl       
0809D2BA: F9C2    bl      0x080B7640				; ?
0809D2BC: 4A17    ldr     r2, =#0x00003E94
0809D2BE: 18A8    add     r0, r5, r2
0809D2C0: F020    bl       
0809D2C2: FD56    bl      0x080BDD70				; ?
0809D2C4: 4809    ldr     r0, =#0x0203BB44
0809D2C6: F000    bl       
0809D2C8: F82B    bl      0x0809D320				; ?
0809D2CA: 68A8    ldr     r0, [r5, #0x08]
0809D2CC: F021    bl       
0809D2CE: FA2E    bl      0x080BE72C				; ?
0809D2D0: 68E8    ldr     r0, [r5, #0x0C]
0809D2D2: F021    bl       
0809D2D4: FA93    bl      0x080BE7FC				; ?

0809D2D6: B001    add     sp, #0x004
0809D2D8: BC38    pop     {r3, r4, r5}
0809D2DA: 4698    mov     r8, r3
0809D2DC: 46A1    mov     r9, r4
0809D2DE: 46AA    mov     r10, r5
0809D2E0: BCF0    pop     {r4, r5, r6, r7}
0809D2E2: BC01    pop     {r0}
0809D2E4: 4700    bx      r0

;0809D2E6: 0000    lsl     r0, r0, #0x0
;0809D2E8: 2700    mov     r7, #0x00
;0809D2EA: 0203    lsl     r3, r0, #0x8
;0809D2EC: BB44    pop     {r2, r6, pc}
;0809D2EE: 0203    lsl     r3, r0, #0x8
;0809D2F0: 9446    str     r4, [sp, #0x118]
;0809D2F2: 0000    lsl     r0, r0, #0x0
;0809D2F4: FFFF    bl      0x0809E2F4
;0809D2F6: 0000    lsl     r0, r0, #0x0
;0809D2F8: 944F    str     r4, [sp, #0x13C]
;0809D2FA: 0000    lsl     r0, r0, #0x0
;0809D2FC: 9450    str     r4, [sp, #0x140]
;0809D2FE: 0000    lsl     r0, r0, #0x0
;0809D300: 9451    str     r4, [sp, #0x144]
;0809D302: 0000    lsl     r0, r0, #0x0
;0809D304: 8FD0    ldrh    r0, [r2, #0x3E]
;0809D306: 0000    lsl     r0, r0, #0x0
;0809D308: 3AEC    sub     r2, #0xEC
;0809D30A: 0000    lsl     r0, r0, #0x0
;0809D30C: 3F04    sub     r7, #0x04
;0809D30E: 0000    lsl     r0, r0, #0x0
;0809D310: 944D    str     r4, [sp, #0x134]
;0809D312: 0000    lsl     r0, r0, #0x0
;0809D314: 944E    str     r4, [sp, #0x138]
;0809D316: 0000    lsl     r0, r0, #0x0
;0809D318: 3E4C    sub     r6, #0x4C
;0809D31A: 0000    lsl     r0, r0, #0x0
;0809D31C: 3E94    sub     r6, #0x94
;0809D31E: 0000    lsl     r0, r0, #0x0

$0809D4CC - ?

This Subroutine

  • clears Orig. r0 + #$1F00 to #$1F03.
  • does four Clear DMAs to clear Orig. r0 + #$0000 to #$04AF, #$04B0 to #$095F, #$0960 to #$E0F and #$0E10 to #12BF.
  • does a fifth Clear DMA to clear Orig. r0 + #$19C0 to #$1BBF.
0809D4CC: B500    push    {lr}
0809D4CE: B081    add     sp, #-0x004

0809D4D0: 1C03    add     r3, r0, #0x0				; r3 = Orig. r0
0809D4D2: 21F8    mov     r1, #0xF8
0809D4D4: 0149    lsl     r1, r1, #0x5
0809D4D6: 1858    add     r0, r3, r1				; r0 = Orig. r0 + #$1F00
0809D4D8: 7801    ldrb    r1, [r0]
0809D4DA: 2100    mov     r1, #0x00
0809D4DC: 7001    strb    r1, [r0]				; Clear Orig. r0 + #$1F00
0809D4DE: 4A3E    ldr     r2, =#0x00001F01
0809D4E0: 1898    add     r0, r3, r2
0809D4E2: 7802    ldrb    r2, [r0]
0809D4E4: 7001    strb    r1, [r0]				; Clear Orig. r0 + #$1F01
0809D4E6: 4A3D    ldr     r2, =#0x00001F02
0809D4E8: 1898    add     r0, r3, r2
0809D4EA: 7802    ldrb    r2, [r0]
0809D4EC: 7001    strb    r1, [r0]				; Clear Orig. r0 + #$1F02
0809D4EE: 4A3C    ldr     r2, =#0x00001F03
0809D4F0: 1898    add     r0, r3, r2
0809D4F2: 7802    ldrb    r2, [r0]
0809D4F4: 7001    strb    r1, [r0]				; Clear Orig. r0 + #$1F03
0809D4F6: 4668    mov     r0, sp
0809D4F8: 8001    strh    r1, [r0]				; Clear newly added Stack Entry
0809D4FA: 483A    ldr     r0, =#0x040000D4
0809D4FC: 4669    mov     r1, sp
0809D4FE: 6001    str     r1, [r0]				; Newly added and cleared Stack Entry is DMA-Source
0809D500: 6043    str     r3, [r0, #0x04]			; Original r0 is Destination
0809D502: 4939    ldr     r1, =#0x81000258
0809D504: 6081    str     r1, [r0, #0x08]			; Start a fixed DMA to clear #$258 Double bytes
0809D506: 6881    ldr     r1, [r0, #0x08]
0809D508: 1C02    add     r2, r0, #0x0
0809D50A: 6890    ldr     r0, [r2, #0x08]
0809D50C: 2180    mov     r1, #0x80
0809D50E: 0609    lsl     r1, r1, #0x18
0809D510: 2800    cmp     r0, #0x00
0809D512: DA03    bge     0x0809D51C

0809D514: 6890    ldr     r0, [r2, #0x08]
0809D516: 4008    and     r0, r1
0809D518: 2800    cmp     r0, #0x00
0809D51A: D1FB    bne     0x0809D514

0809D51C: 4669    mov     r1, sp
0809D51E: 2000    mov     r0, #0x00
0809D520: 8008    strh    r0, [r1]				; Clear Stack Entry. Again.
0809D522: 4930    ldr     r1, =#0x040000D4
0809D524: 466A    mov     r2, sp
0809D526: 600A    str     r2, [r1]
0809D528: 2296    mov     r2, #0x96
0809D52A: 00D2    lsl     r2, r2, #0x3				; #$4B0
0809D52C: 1898    add     r0, r3, r2				; r0 = Orig. r0 + #$04B0 (right after the bytes that were cleared with the first DMA)
0809D52E: 6048    str     r0, [r1, #0x04]			; Set as clear DMA destination
0809D530: 482D    ldr     r0, =#0x81000258
0809D532: 6088    str     r0, [r1, #0x08]			; Clear another #$258 Double bytes
0809D534: 6888    ldr     r0, [r1, #0x08]
0809D536: 6888    ldr     r0, [r1, #0x08]
0809D538: 2280    mov     r2, #0x80
0809D53A: 0612    lsl     r2, r2, #0x18
0809D53C: 2800    cmp     r0, #0x00
0809D53E: DA03    bge     0x0809D548

0809D540: 6888    ldr     r0, [r1, #0x08]
0809D542: 4010    and     r0, r2
0809D544: 2800    cmp     r0, #0x00
0809D546: D1FB    bne     0x0809D540

0809D548: 4669    mov     r1, sp				; Begin 3rd Clear DMA
0809D54A: 2000    mov     r0, #0x00
0809D54C: 8008    strh    r0, [r1]
0809D54E: 4925    ldr     r1, =#0x040000D4
0809D550: 4668    mov     r0, sp
0809D552: 6008    str     r0, [r1]
0809D554: 2296    mov     r2, #0x96
0809D556: 0112    lsl     r2, r2, #0x4
0809D558: 1898    add     r0, r3, r2
0809D55A: 6048    str     r0, [r1, #0x04]
0809D55C: 4822    ldr     r0, =#0x81000258
0809D55E: 6088    str     r0, [r1, #0x08]
0809D560: 6888    ldr     r0, [r1, #0x08]
0809D562: 6888    ldr     r0, [r1, #0x08]
0809D564: 2280    mov     r2, #0x80
0809D566: 0612    lsl     r2, r2, #0x18
0809D568: 2800    cmp     r0, #0x00
0809D56A: DA03    bge     0x0809D574

0809D56C: 6888    ldr     r0, [r1, #0x08]
0809D56E: 4010    and     r0, r2
0809D570: 2800    cmp     r0, #0x00
0809D572: D1FB    bne     0x0809D56C				; End 3rd Clear DMA

0809D574: 4669    mov     r1, sp				; Begin 4th Clear DMA
0809D576: 2000    mov     r0, #0x00
0809D578: 8008    strh    r0, [r1]
0809D57A: 491A    ldr     r1, =#0x040000D4
0809D57C: 4668    mov     r0, sp
0809D57E: 6008    str     r0, [r1]
0809D580: 22E1    mov     r2, #0xE1
0809D582: 0112    lsl     r2, r2, #0x4
0809D584: 1898    add     r0, r3, r2
0809D586: 6048    str     r0, [r1, #0x04]
0809D588: 4817    ldr     r0, =#0x81000258
0809D58A: 6088    str     r0, [r1, #0x08]
0809D58C: 6888    ldr     r0, [r1, #0x08]
0809D58E: 6888    ldr     r0, [r1, #0x08]
0809D590: 2280    mov     r2, #0x80
0809D592: 0612    lsl     r2, r2, #0x18
0809D594: 2800    cmp     r0, #0x00
0809D596: DA03    bge     0x0809D5A0

0809D598: 6888    ldr     r0, [r1, #0x08]
0809D59A: 4010    and     r0, r2
0809D59C: 2800    cmp     r0, #0x00
0809D59E: D1FB    bne     0x0809D598				; End 4th Clear DMA

0809D5A0: 4669    mov     r1, sp				; Begin 5th Clear DMA
0809D5A2: 2000    mov     r0, #0x00
0809D5A4: 8008    strh    r0, [r1]
0809D5A6: 490F    ldr     r1, =#0x040000D4
0809D5A8: 4668    mov     r0, sp
0809D5AA: 6008    str     r0, [r1]
0809D5AC: 22CE    mov     r2, #0xCE
0809D5AE: 0152    lsl     r2, r2, #0x5
0809D5B0: 1898    add     r0, r3, r2
0809D5B2: 6048    str     r0, [r1, #0x04]
0809D5B4: 480D    ldr     r0, =#0x81000200
0809D5B6: 6088    str     r0, [r1, #0x08]
0809D5B8: 6888    ldr     r0, [r1, #0x08]
0809D5BA: 6888    ldr     r0, [r1, #0x08]
0809D5BC: 2280    mov     r2, #0x80
0809D5BE: 0612    lsl     r2, r2, #0x18
0809D5C0: 2800    cmp     r0, #0x00
0809D5C2: DA03    bge     0x0809D5CC

0809D5C4: 6888    ldr     r0, [r1, #0x08]
0809D5C6: 4010    and     r0, r2
0809D5C8: 2800    cmp     r0, #0x00
0809D5CA: D1FB    bne     0x0809D5C4				; End 5th Clear DMA

0809D5CC: 1C18    add     r0, r3, #0x0				; Restore Original r0 in r0
0809D5CE: F000    bl       
0809D5D0: F80F    bl      0x0809D5F0				; ?

0809D5D2: B001    add     sp, #0x004				; Restore, exit
0809D5D4: BC01    pop     {r0}
0809D5D6: 4700    bx      r0

;0809D5D8: 1F01    sub     r1, r0, #0x4
;0809D5DA: 0000    lsl     r0, r0, #0x0
;0809D5DC: 1F02    sub     r2, r0, #0x4
;0809D5DE: 0000    lsl     r0, r0, #0x0
;0809D5E0: 1F03    sub     r3, r0, #0x4
;0809D5E2: 0000    lsl     r0, r0, #0x0
;0809D5E4: 00D4    lsl     r4, r2, #0x3
;0809D5E6: 0400    lsl     r0, r0, #0x10
;0809D5E8: 0258    lsl     r0, r3, #0x9
;0809D5EA: 8100    strh    r0, [r0, #0x08]
;0809D5EC: 0200    lsl     r0, r0, #0x8
;0809D5EE: 8100    strh    r0, [r0, #0x08]

$0809D5F0 - ?

r0 contains an address

0809D5F0: B510    push    {r4, lr}

0809D5F2: 490E    ldr     r1, =#0x00001F08
0809D5F4: 1844    add     r4, r0, r1
0809D5F6: 7821    ldrb    r1, [r4]
0809D5F8: 2104    mov     r1, #0x04
0809D5FA: 7021    strb    r1, [r4]				; Store #$04 in Orig. r0 + #1F08
0809D5FC: 4B0C    ldr     r3, =#0x00001F09
0809D5FE: 18C2    add     r2, r0, r3
0809D600: 7813    ldrb    r3, [r2]
0809D602: 7011    strb    r1, [r2]				; Store #$04 in Orig. r0 + #1F09
0809D604: 490B    ldr     r1, =#0x00001F0A
0809D606: 1843    add     r3, r0, r1
0809D608: 7819    ldrb    r1, [r3]
0809D60A: 2118    mov     r1, #0x18
0809D60C: 7019    strb    r1, [r3]				; Store #$18 in Orig. r0 + #1F0A
0809D60E: 7821    ldrb    r1, [r4]
0809D610: 7812    ldrb    r2, [r2]
0809D612: 0152    lsl     r2, r2, #0x5
0809D614: 430A    orr     r2, r1				; r2 = #$84
0809D616: 7819    ldrb    r1, [r3]
0809D618: 0289    lsl     r1, r1, #0xA				; r1 = #$6000
0809D61A: 430A    orr     r2, r1				; r2 = #$6084
0809D61C: 23CE    mov     r3, #0xCE
0809D61E: 015B    lsl     r3, r3, #0x5				; r3 = #$19C0
0809D620: 18C0    add     r0, r0, r3				; r0 = Orig. r0 + #$19C0
0809D622: 8801    ldrh    r1, [r0]
0809D624: 8002    strh    r2, [r0]				; Store #$6084 in Orig. r0 + #$19C0

0809D626: BC10    pop     {r4}
0809D628: BC01    pop     {r0}
0809D62A: 4700    bx      r0

;0809D62C: 1F08    sub     r0, r1, #0x4
;0809D62E: 0000    lsl     r0, r0, #0x0
;0809D630: 1F09    sub     r1, r1, #0x4
;0809D632: 0000    lsl     r0, r0, #0x0
;0809D634: 1F0A    sub     r2, r1, #0x4
;0809D636: 0000    lsl     r0, r0, #0x0

$0809D694 - ?

0809D694: B5F0    push    {r4, r5, r6, r7, lr}
0809D696: 464F    mov     r7, r9
0809D698: 4646    mov     r6, r8
0809D69A: B4C0    push    {r6, r7}
0809D69C: B082    add     sp, #-0x008

0809D69E: 2418    mov     r4, #0x18
0809D6A0: 4B2A    ldr     r3, =#0xFFFFFF00
0809D6A2: 9900    ldr     r1, [sp]			; Load newly added Stack entry
0809D6A4: 4019    and     r1, r3			; Remove lowest byte
0809D6A6: 4321    orr     r1, r4			; Set lowest byte to #$18
0809D6A8: 9100    str     r1, [sp]			; Store back
0809D6AA: 466A    mov     r2, sp
0809D6AC: 2116    mov     r1, #0x16
0809D6AE: 7051    strb    r1, [r2, #0x01]
0809D6B0: 211F    mov     r1, #0x1F
0809D6B2: 7091    strb    r1, [r2, #0x02]		; So the three last Stack bytes are $18 $16 $1F now.
0809D6B4: 2204    mov     r2, #0x04
0809D6B6: 9901    ldr     r1, [sp, #0x004]		; Load second newly added Stack entry
0809D6B8: 4019    and     r1, r3			; Remove lowest byte
0809D6BA: 4311    orr     r1, r2			; Set lowest byte to #$04
0809D6BC: 9101    str     r1, [sp, #0x004]		; Store back
0809D6BE: A901    add     r1, sp, #0x004
0809D6C0: 704A    strb    r2, [r1, #0x01]
0809D6C2: 708C    strb    r4, [r1, #0x02]		; So Stack bytes 4 to 6 are $04 $04 $18 now
0809D6C4: 22EE    mov     r2, #0xEE
0809D6C6: 0152    lsl     r2, r2, #0x5			; r2 = #$01DC
0809D6C8: 1887    add     r7, r0, r2
0809D6CA: 2400    mov     r4, #0x00
0809D6CC: 4689    mov     r9, r1
0809D6CE: 466E    mov     r6, sp
0809D6D0: 46C8    mov     r8, r9

0809D6D2: 7830    ldrb    r0, [r6]			; (Start of a loop)
0809D6D4: 464A    mov     r2, r9
0809D6D6: 7811    ldrb    r1, [r2]
0809D6D8: 1C22    add     r2, r4, #0x0
0809D6DA: 23A0    mov     r3, #0xA0
0809D6DC: F020    bl       
0809D6DE: FFF2    bl      0x080BE6C4
0809D6E0: 0600    lsl     r0, r0, #0x18
0809D6E2: 0E00    lsr     r0, r0, #0x18
0809D6E4: 4919    ldr     r1, =#0xFFFFFF00
0809D6E6: 400D    and     r5, r1
0809D6E8: 4305    orr     r5, r0
0809D6EA: 7870    ldrb    r0, [r6, #0x01]
0809D6EC: 4642    mov     r2, r8
0809D6EE: 7851    ldrb    r1, [r2, #0x01]
0809D6F0: 1C22    add     r2, r4, #0x0
0809D6F2: 23A0    mov     r3, #0xA0
0809D6F4: F020    bl       
0809D6F6: FFE6    bl      0x080BE6C4
0809D6F8: 0600    lsl     r0, r0, #0x18
0809D6FA: 0C00    lsr     r0, r0, #0x10
0809D6FC: 4914    ldr     r1, =#0xFFFF00FF
0809D6FE: 400D    and     r5, r1
0809D700: 4305    orr     r5, r0
0809D702: 78B0    ldrb    r0, [r6, #0x02]
0809D704: 4642    mov     r2, r8
0809D706: 7891    ldrb    r1, [r2, #0x02]
0809D708: 1C22    add     r2, r4, #0x0
0809D70A: 23A0    mov     r3, #0xA0
0809D70C: F020    bl       
0809D70E: FFDA    bl      0x080BE6C4
0809D710: 0600    lsl     r0, r0, #0x18
0809D712: 0A00    lsr     r0, r0, #0x8
0809D714: 490F    ldr     r1, =#0xFF00FFFF
0809D716: 400D    and     r5, r1
0809D718: 4305    orr     r5, r0
0809D71A: 0629    lsl     r1, r5, #0x18
0809D71C: 0E09    lsr     r1, r1, #0x18
0809D71E: 0A28    lsr     r0, r5, #0x8
0809D720: 0600    lsl     r0, r0, #0x18
0809D722: 0CC0    lsr     r0, r0, #0x13
0809D724: 4301    orr     r1, r0
0809D726: 0C28    lsr     r0, r5, #0x10
0809D728: 0600    lsl     r0, r0, #0x18
0809D72A: 0B80    lsr     r0, r0, #0xE
0809D72C: 4301    orr     r1, r0
0809D72E: 8039    strh    r1, [r7]
0809D730: 1C60    add     r0, r4, #0x1				; Increment Loop Counter
0809D732: 0400    lsl     r0, r0, #0x10
0809D734: 0C04    lsr     r4, r0, #0x10
0809D736: 3702    add     r7, #0x02
0809D738: 2C9F    cmp     r4, #0x9F				; Loop until r4 = #$A0
0809D73A: D9CA    bls     0x0809D6D2

0809D73C: B002    add     sp, #0x008
0809D73E: BC18    pop     {r3, r4}
0809D740: 4698    mov     r8, r3
0809D742: 46A1    mov     r9, r4
0809D744: BCF0    pop     {r4, r5, r6, r7}
0809D746: BC01    pop     {r0}
0809D748: 4700    bx      r0

;0809D74A: 0000    lsl     r0, r0, #0x0
;0809D74C: FF00    bl      0x0809E54E
;0809D74E: FFFF    bl      0x07F9E74E
;0809D750: 00FF    lsl     r7, r7, #0x3
;0809D752: FFFF    bl      0x0819D752
;0809D754: FFFF    bl      0x0809D754
;0809D756: FF00    bl      0x0809D558

$0809D880 - ?

r0 contains an address, some sort of base address for various store commands

r1 Byte-sized value

0809D880: B5F0    push    {r4, r5, r6, r7, lr}
0809D882: 4647    mov     r7, r8
0809D884: B480    push    {r7}
0809D886: B083    add     sp, #-0x00C				; Add twelve (3x4) bytes to stack
0809D888: 1C03    add     r3, r0, #0x0				; r3 = r0
0809D88A: 4668    mov     r0, sp
0809D88C: 7001    strb    r1, [r0]				; Store r1 on stack
0809D88E: 482B    ldr     r0, =#0x0000046E
0809D890: 1819    add     r1, r3, r0	
0809D892: 2000    mov     r0, #0x00
0809D894: 8008    strh    r0, [r1]				; Orig. r0 + #$046E = #$0000
0809D896: 2600    mov     r6, #0x00
0809D898: 4929    ldr     r1, =#0x00000466
0809D89A: 185A    add     r2, r3, r1				; r2 = Orig. r0 + #$0466
0809D89C: 4D29    ldr     r5, =#0x0202D7A0
0809D89E: 2400    mov     r4, #0x00

0809D8A0: 1991    add     r1, r2, r6				; r1 = Orig. r0 + #$0466 + Loop Counter
0809D8A2: 0070    lsl     r0, r6, #0x1
0809D8A4: 1940    add     r0, r0, r5				; r0 = #$0202D7A0 + Loop Counter * 2
0809D8A6: 8800    ldrh    r0, [r0]
0809D8A8: 7008    strb    r0, [r1]				; NOTE: Load Double-Byte, store Single Byte(!?!)
0809D8AA: 00B0    lsl     r0, r6, #0x2
0809D8AC: 1818    add     r0, r3, r0				; r0 = Orig. r0 + Loop Counter * 4
0809D8AE: 6004    str     r4, [r0]				; Clear (Orig. r0 + Loop Counter * 4)
0809D8B0: 1C70    add     r0, r6, #0x1				; Inc r6
0809D8B2: 0400    lsl     r0, r0, #0x10
0809D8B4: 0C06    lsr     r6, r0, #0x10				; r6 AND #$0000FFFF
0809D8B6: 2E05    cmp     r6, #0x05
0809D8B8: D9F2    bls     0x0809D8A0				; Loop until r6 = #$06
	   
0809D8BA: 1C1F    add     r7, r3, #0x0				; r7 = Orig. r0
0809D8BC: 4668    mov     r0, sp
0809D8BE: 7800    ldrb    r0, [r0]				; r0 = Orig. r1
0809D8C0: 2800    cmp     r0, #0x00
0809D8C2: D100    bne     0x0809D8C6				; Branch if Orig. r1 <> r0
0809D8C4: E08A    b       0x0809D9DC
	   
0809D8C6: 2600    mov     r6, #0x00				; Set up Loop counter
 0809D8C8: 491D    ldr     r1, =#0x00000466	   
 0809D8CA: 1858    add     r0, r3, r1				; r0 = Orig. r0 + #$0466
 0809D8CC: 1980    add     r0, r0, r6				; r0 = Orig. r0 + #$0466 + #$00 (?!?!)
 0809D8CE: 7804    ldrb    r4, [r0]
 0809D8D0: 1C20    add     r0, r4, #0x0				; Value for upcoming subroutine
 0809D8D2: 9302    str     r3, [sp, #0x008]			; Buffer r3 on stack (The subroutine doesn't use r3, no need?!?)
 0809D8D4: F01F    bl
 0809D8D6: FD54    bl      0x080BD380				; (Transforms the value in r0 into an address around #$02029F50)
 0809D8D8: 6038    str     r0, [r7]				; Store the result address from the subroutine in Orig. r0
 0809D8DA: 9B02    ldr     r3, [sp, #0x008]			; Restore r3
								; From here the code is the same whether of the content of Orig. r1
 0809D8DC: 2C00    cmp     r4, #0x00
 0809D8DE: D004    beq     0x0809D8EA
 
 0809D8E0: 7800    ldrb    r0, [r0]				; Load from r0 (Subroutine result)
 0809D8E2: 0680    lsl     r0, r0, #0x1A
 0809D8E4: 0E80    lsr     r0, r0, #0x1A			; Remove everything but the six MSBs
 0809D8E6: 2801    cmp     r0, #0x01
 0809D8E8: D970    bls     0x0809D9CC				; Loop (without the incrementing part) back if they are > #$02
 
 0809D8EA: 1C70    add     r0, r6, #0x1				; Inc Loop Counter
 0809D8EC: 0400    lsl     r0, r0, #0x10			; r6 AND #$0000FFFF
 0809D8EE: 0C06    lsr     r6, r0, #0x10
 0809D8F0: 2E05    cmp     r6, #0x05
 0809D8F2: D9E9    bls     0x0809D8C8				; Loop until r6 > #$05

0809D8F4: 2603    mov     r6, #0x03	   
0809D8F6: 4911    ldr     r1, =#0x0000046E	   
0809D8F8: 1858    add     r0, r3, r1	   
0809D8FA: 8800    ldrh    r0, [r0]	   
0809D8FC: 2805    cmp     r0, #0x05	   
0809D8FE: D830    bhi     0x0809D962	   
	   
0809D900: 185A    add     r2, r3, r1	   
0809D902: 2500    mov     r5, #0x00	   
0809D904: 1C70    add     r0, r6, #0x1	   
0809D906: 4680    mov     r8, r0	   
0809D908: 490D    ldr     r1, =#0x00000466	   
0809D90A: 1858    add     r0, r3, r1	   
0809D90C: 1940    add     r0, r0, r5	   
0809D90E: 7804    ldrb    r4, [r0]	   
0809D910: 1C20    add     r0, r4, #0x0	   
0809D912: 9201    str     r2, [sp, #0x004]	   
0809D914: 9302    str     r3, [sp, #0x008]	   
0809D916: F01F    bl       	   
0809D918: FD33    bl      0x080BD380	   
0809D91A: 6038    str     r0, [r7]	   
0809D91C: 9A01    ldr     r2, [sp, #0x004]	   
0809D91E: 9B02    ldr     r3, [sp, #0x008]	   
0809D920: 2C00    cmp     r4, #0x00	   
0809D922: D011    beq     0x0809D948	   
	   
0809D924: 7800    ldrb    r0, [r0]	   
0809D926: 0680    lsl     r0, r0, #0x1A	   
0809D928: 0E80    lsr     r0, r0, #0x1A	   
0809D92A: 1E71    sub     r1, r6, #0x1	   
0809D92C: 4288    cmp     r0, r1	   
0809D92E: D10B    bne     0x0809D948	   
	   
0809D930: 8810    ldrh    r0, [r2]	   
0809D932: 3001    add     r0, #0x01	   
0809D934: 8010    strh    r0, [r2]	   
0809D936: 3704    add     r7, #0x04	   
0809D938: E00B    b       0x0809D952	   
	   
;0809D93A: 0000    lsl     r0, r0, #0x0	   
;0809D93C: 046E    lsl     r6, r5, #0x11	   
;0809D93E: 0000    lsl     r0, r0, #0x0	   
;0809D940: 0466    lsl     r6, r4, #0x11	   
;0809D942: 0000    lsl     r0, r0, #0x0	   
;0809D944: D7A0    bvc     0x0809D888	   
;0809D946: 0202    lsl     r2, r0, #0x8	   
	   
0809D948: 1C68    add     r0, r5, #0x1	   
0809D94A: 0400    lsl     r0, r0, #0x10	   
	   
0809D94C: 0C05    lsr     r5, r0, #0x10	   
0809D94E: 2D05    cmp     r5, #0x05	   
0809D950: D9DA    bls     0x0809D908	   
	   
0809D952: 4641    mov     r1, r8	   
0809D954: 0408    lsl     r0, r1, #0x10	   
0809D956: 0C06    lsr     r6, r0, #0x10	   
0809D958: 2E11    cmp     r6, #0x11
0809D95A: D802    bhi     0x0809D962
0809D95C: 8810    ldrh    r0, [r2]
0809D95E: 2805    cmp     r0, #0x05
0809D960: D9CF    bls     0x0809D902
0809D962: 2612    mov     r6, #0x12
0809D964: 4910    ldr     r1, =#0x0000046E
0809D966: 1858    add     r0, r3, r1
0809D968: 8800    ldrh    r0, [r0]
0809D96A: 2805    cmp     r0, #0x05
0809D96C: D84E    bhi     0x0809DA0C
0809D96E: 185A    add     r2, r3, r1
0809D970: 2500    mov     r5, #0x00
0809D972: 1C70    add     r0, r6, #0x1
0809D974: 4680    mov     r8, r0
0809D976: 490D    ldr     r1, =#0x00000466
0809D978: 1858    add     r0, r3, r1
0809D97A: 1940    add     r0, r0, r5
0809D97C: 7804    ldrb    r4, [r0]
0809D97E: 1C20    add     r0, r4, #0x0
0809D980: 9201    str     r2, [sp, #0x004]
0809D982: 9302    str     r3, [sp, #0x008]
0809D984: F01F    bl
0809D986: FCFC    bl      0x080BD380
0809D988: 6038    str     r0, [r7]
0809D98A: 9A01    ldr     r2, [sp, #0x004]
0809D98C: 9B02    ldr     r3, [sp, #0x008]
0809D98E: 2C00    cmp     r4, #0x00
0809D990: D00E    beq     0x0809D9B0
0809D992: 7800    ldrb    r0, [r0]
0809D994: 0680    lsl     r0, r0, #0x1A
0809D996: 0E80    lsr     r0, r0, #0x1A
0809D998: 1E71    sub     r1, r6, #0x1
0809D99A: 4288    cmp     r0, r1
0809D99C: D108    bne     0x0809D9B0
0809D99E: 8810    ldrh    r0, [r2]
0809D9A0: 3001    add     r0, #0x01
0809D9A2: 8010    strh    r0, [r2]
0809D9A4: 3704    add     r7, #0x04
0809D9A6: E008    b       0x0809D9BA

;0809D9A8: 046E    lsl     r6, r5, #0x11
;0809D9AA: 0000    lsl     r0, r0, #0x0
;0809D9AC: 0466    lsl     r6, r4, #0x11
;0809D9AE: 0000    lsl     r0, r0, #0x0
0809D9B0: 1C68    add     r0, r5, #0x1
0809D9B2: 0400    lsl     r0, r0, #0x10
0809D9B4: 0C05    lsr     r5, r0, #0x10
0809D9B6: 2D05    cmp     r5, #0x05
0809D9B8: D9DD    bls     0x0809D976

0809D9BA: 4641    mov     r1, r8   
0809D9BC: 0408    lsl     r0, r1, #0x10
0809D9BE: 0C06    lsr     r6, r0, #0x10
0809D9C0: 2E25    cmp     r6, #0x25
0809D9C2: D823    bhi     0x0809DA0C
0809D9C4: 8810    ldrh    r0, [r2]
0809D9C6: 2805    cmp     r0, #0x05
0809D9C8: D9D2    bls     0x0809D970
0809D9CA: E01F    b       0x0809DA0C

0809D9CC: 4802    ldr     r0, =#0x0000046E
0809D9CE: 1819    add     r1, r3, r0
0809D9D0: 2001    mov     r0, #0x01
0809D9D2: 8008    strh    r0, [r1]
0809D9D4: 3704    add     r7, #0x04
0809D9D6: E78D    b       0x0809D8F4

;0809D9D8: 046E    lsl     r6, r5, #0x11
;0809D9DA: 0000    lsl     r0, r0, #0x0
0809D9DC: 2600    mov     r6, #0x00
0809D9DE: 490E    ldr     r1, =#0x0000046E
0809D9E0: 187D    add     r5, r7, r1

0809D9E2: 490E    ldr     r1, =#0x00000466
0809D9E4: 1858    add     r0, r3, r1
0809D9E6: 1980    add     r0, r0, r6
0809D9E8: 7804    ldrb    r4, [r0]
0809D9EA: 1C20    add     r0, r4, #0x0
0809D9EC: 9302    str     r3, [sp, #0x008]
0809D9EE: F01F    bl
0809D9F0: FCC7    bl      0x080BD380
0809D9F2: 6038    str     r0, [r7]
0809D9F4: 9B02    ldr     r3, [sp, #0x008]
0809D9F6: 2C00    cmp     r4, #0x00
0809D9F8: D003    beq     0x0809DA02

0809D9FA: 8828    ldrh    r0, [r5]
0809D9FC: 3001    add     r0, #0x01
0809D9FE: 8028    strh    r0, [r5]
0809DA00: 3704    add     r7, #0x04

0809DA02: 1C70    add     r0, r6, #0x1
0809DA04: 0400    lsl     r0, r0, #0x10
0809DA06: 0C06    lsr     r6, r0, #0x10
0809DA08: 2E05    cmp     r6, #0x05
0809DA0A: D9EA    bls     0x0809D9E2

0809DA0C: B003    add     sp, #0x00C
0809DA0E: BC08    pop     {r3}
0809DA10: 4698    mov     r8, r3
0809DA12: BCF0    pop     {r4, r5, r6, r7}
0809DA14: BC01    pop     {r0}
0809DA16: 4700    bx      r0

;0809DA18: 046E    lsl     r6, r5, #0x11
;0809DA1A: 0000    lsl     r0, r0, #0x0
;0809DA1C: 0466    lsl     r6, r4, #0x11
;0809DA1E: 0000    lsl     r0, r0, #0x0

$0809DA20 - ?

This is called from $0809D758

0809DA20: B530    push    {r4, r5, lr}
0809DA22: 1C04    add     r4, r0, #0x0		; r4 = Orig. r0
0809DA24: 1C15    add     r5, r2, #0x0		; r5 = Orig. r2
0809DA26: F000    bl       
0809DA28: F80B    bl      0x0809DA40		; ?
0809DA2A: 1C20    add     r0, r4, #0x0		; r0 = Orig. r0
0809DA2C: F000    bl       
0809DA2E: F96E    bl      0x0809DD0C		; ?
0809DA30: 1C20    add     r0, r4, #0x0		; r0 = Orig. r0
0809DA32: 1C29    add     r1, r5, #0x0		; r1 = Orig. r2
0809DA34: F000    bl       
0809DA36: F9D2    bl      0x0809DDDC		; ?
0809DA38: BC30    pop     {r4, r5}
0809DA3A: BC01    pop     {r0}
0809DA3C: 4700    bx      r0

;0809DA3E: 0000    lsl     r0, r0, #0x0

$0809DA40 - ?

0809DA40: B5F0    push    {r4, r5, r6, r7, lr}
0809DA42: 4657    mov     r7, r10
0809DA44: 464E    mov     r6, r9
0809DA46: 4645    mov     r5, r8
0809DA48: B4E0    push    {r5, r6, r7}
0809DA4A: B082    add     sp, #-0x008

0809DA4C: 1C05    add     r5, r0, #0x0
0809DA4E: 8AA9    ldrh    r1, [r5, #0x14]
0809DA50: 4A34    ldr     r2, =#0xFFFFE01F
0809DA52: 1C10    add     r0, r2, #0x0
0809DA54: 4008    and     r0, r1
0809DA56: 82A8    strh    r0, [r5, #0x14]
0809DA58: 8AE9    ldrh    r1, [r5, #0x16]
0809DA5A: 1C10    add     r0, r2, #0x0
0809DA5C: 4008    and     r0, r1
0809DA5E: 82E8    strh    r0, [r5, #0x16]
0809DA60: 7DE9    ldrb    r1, [r5, #0x17]
0809DA62: 231F    mov     r3, #0x1F
0809DA64: 1C18    add     r0, r3, #0x0
0809DA66: 4008    and     r0, r1
0809DA68: 75E8    strb    r0, [r5, #0x17]
0809DA6A: 7E29    ldrb    r1, [r5, #0x18]
0809DA6C: 2420    mov     r4, #0x20
0809DA6E: 4264    neg     r4, r4
0809DA70: 1C20    add     r0, r4, #0x0
0809DA72: 4008    and     r0, r1
0809DA74: 7628    strb    r0, [r5, #0x18]
0809DA76: 6968    ldr     r0, [r5, #0x14]
0809DA78: 492B    ldr     r1, =#0xFFE01FFF
0809DA7A: 4008    and     r0, r1
0809DA7C: 6168    str     r0, [r5, #0x14]
0809DA7E: 89E9    ldrh    r1, [r5, #0x0E]
0809DA80: 482A    ldr     r0, =#0xFFFFE03F
0809DA82: 4008    and     r0, r1
0809DA84: 81E8    strh    r0, [r5, #0x0E]
0809DA86: 7868    ldrb    r0, [r5, #0x01]
0809DA88: 09C0    lsr     r0, r0, #0x7
0809DA8A: 2800    cmp     r0, #0x00
0809DA8C: D05A    beq     0x0809DB44

0809DA8E: 78E8    ldrb    r0, [r5, #0x03]
0809DA90: 0640    lsl     r0, r0, #0x19
0809DA92: 2800    cmp     r0, #0x00
0809DA94: D000    beq     0x0809DA98
0809DA96: E125    b       0x0809DCE4

0809DA98: 7BE9    ldrb    r1, [r5, #0x0F]
0809DA9A: 1C18    add     r0, r3, #0x0
0809DA9C: 4008    and     r0, r1
0809DA9E: 2120    mov     r1, #0x20
0809DAA0: 4308    orr     r0, r1
0809DAA2: 73E8    strb    r0, [r5, #0x0F]
0809DAA4: 7C29    ldrb    r1, [r5, #0x10]
0809DAA6: 2080    mov     r0, #0x80
0809DAA8: 4240    neg     r0, r0
0809DAAA: 4008    and     r0, r1
0809DAAC: 7428    strb    r0, [r5, #0x10]
0809DAAE: 8A69    ldrh    r1, [r5, #0x12]
0809DAB0: 481F    ldr     r0, =#0xFFFFF801
0809DAB2: 4008    and     r0, r1
0809DAB4: 2302    mov     r3, #0x02
0809DAB6: 4318    orr     r0, r3
0809DAB8: 8268    strh    r0, [r5, #0x12]
0809DABA: 7CE9    ldrb    r1, [r5, #0x13]
0809DABC: 2207    mov     r2, #0x07
0809DABE: 1C10    add     r0, r2, #0x0
0809DAC0: 4008    and     r0, r1
0809DAC2: 2108    mov     r1, #0x08
0809DAC4: 4308    orr     r0, r1
0809DAC6: 74E8    strb    r0, [r5, #0x13]
0809DAC8: 7D29    ldrb    r1, [r5, #0x14]
0809DACA: 1C20    add     r0, r4, #0x0
0809DACC: 4008    and     r0, r1
0809DACE: 7528    strb    r0, [r5, #0x14]
0809DAD0: 6928    ldr     r0, [r5, #0x10]
0809DAD2: 4918    ldr     r1, =#0xFFFE007F
0809DAD4: 4008    and     r0, r1
0809DAD6: 2180    mov     r1, #0x80
0809DAD8: 4308    orr     r0, r1
0809DADA: 6128    str     r0, [r5, #0x10]
0809DADC: 68A8    ldr     r0, [r5, #0x08]
0809DADE: 4916    ldr     r1, =#0xFFF8001F
0809DAE0: 4008    and     r0, r1
0809DAE2: 2120    mov     r1, #0x20
0809DAE4: 4308    orr     r0, r1
0809DAE6: 60A8    str     r0, [r5, #0x08]
0809DAE8: 88E9    ldrh    r1, [r5, #0x06]
0809DAEA: 207F    mov     r0, #0x7F
0809DAEC: 4008    and     r0, r1
0809DAEE: 2180    mov     r1, #0x80
0809DAF0: 4308    orr     r0, r1
0809DAF2: 80E8    strh    r0, [r5, #0x06]
0809DAF4: 7A29    ldrb    r1, [r5, #0x08]
0809DAF6: 1C20    add     r0, r4, #0x0
0809DAF8: 4008    and     r0, r1
0809DAFA: 7228    strb    r0, [r5, #0x08]
0809DAFC: 89A9    ldrh    r1, [r5, #0x0C]
0809DAFE: 480F    ldr     r0, =#0xFFFF8001
0809DB00: 4008    and     r0, r1
0809DB02: 4318    orr     r0, r3
0809DB04: 81A8    strh    r0, [r5, #0x0C]
0809DB06: 8968    ldrh    r0, [r5, #0x0A]
0809DB08: 4002    and     r2, r0
0809DB0A: 2008    mov     r0, #0x08
0809DB0C: 4302    orr     r2, r0
0809DB0E: 816A    strh    r2, [r5, #0x0A]
0809DB10: 7B29    ldrb    r1, [r5, #0x0C]
0809DB12: 2002    mov     r0, #0x02
0809DB14: 4240    neg     r0, r0
0809DB16: 4008    and     r0, r1
0809DB18: 7328    strb    r0, [r5, #0x0C]
0809DB1A: 68E8    ldr     r0, [r5, #0x0C]
0809DB1C: 4908    ldr     r1, =#0xFFC07FFF
0809DB1E: 4008    and     r0, r1
0809DB20: 60E8    str     r0, [r5, #0x0C]
0809DB22: E0DF    b       0x0809DCE4

;0809DB24: E01F    b       0x0809DB66
;0809DB26: FFFF    bl      0x080BDB26
;0809DB28: 1FFF    sub     r7, r7, #0x7
;0809DB2A: FFE0    bl      0x0809DAEC
;0809DB2C: E03F    b       0x0809DBAE
;0809DB2E: FFFF    bl      0x080DDB2E
;0809DB30: F801    bl      0x0809CB34
;0809DB32: FFFF    bl      0x0809FB32
;0809DB34: 007F    lsl     r7, r7, #0x1
;0809DB36: FFFE    bl      0x0811DB34
;0809DB38: 001F    lsl     r7, r3, #0x0
;0809DB3A: FFF8    bl      0x080BDB2C
;0809DB3C: 8001    strh    r1, [r0]
;0809DB3E: FFFF    bl      0x0809FB3E
;0809DB40: 7FFF    ldrb    r7, [r7, #0x1F]
;0809DB42: FFC0    bl      0x0809DAC4

0809DB44: 2000    mov     r0, #0x00
0809DB46: 4681    mov     r9, r0
0809DB48: 1C29    add     r1, r5, #0x0
0809DB4A: 3120    add     r1, #0x20
0809DB4C: 9100    str     r1, [sp]
0809DB4E: 6A2C    ldr     r4, [r5, #0x20]
0809DB50: 9401    str     r4, [sp, #0x004]
0809DB52: 4E68    ldr     r6, =#0x080FF4A8
0809DB54: 46B4    mov     r12, r6
0809DB56: 201F    mov     r0, #0x1F
0809DB58: 4680    mov     r8, r0

0809DB5A: 8AAA    ldrh    r2, [r5, #0x14]
0809DB5C: 04D1    lsl     r1, r2, #0x13
0809DB5E: 0E09    lsr     r1, r1, #0x18
0809DB60: 464C    mov     r4, r9
0809DB62: 0063    lsl     r3, r4, #0x1
0809DB64: 9E00    ldr     r6, [sp]
0809DB66: 18F3    add     r3, r6, r3
0809DB68: 2400    mov     r4, #0x00
0809DB6A: 5F18    ldsh    r0, [r3, r4]
0809DB6C: 00C0    lsl     r0, r0, #0x3
0809DB6E: 4460    add     r0, r12
0809DB70: 8800    ldrh    r0, [r0]
0809DB72: 04C0    lsl     r0, r0, #0x13
0809DB74: 0E00    lsr     r0, r0, #0x18
0809DB76: 1809    add     r1, r1, r0
0809DB78: 26FF    mov     r6, #0xFF
0809DB7A: 4031    and     r1, r6
0809DB7C: 0149    lsl     r1, r1, #0x5
0809DB7E: 485E    ldr     r0, =#0xFFFFE01F
0809DB80: 4010    and     r0, r2
0809DB82: 4308    orr     r0, r1
0809DB84: 82A8    strh    r0, [r5, #0x14]
0809DB86: 8AEA    ldrh    r2, [r5, #0x16]
0809DB88: 04D1    lsl     r1, r2, #0x13
0809DB8A: 0E09    lsr     r1, r1, #0x18
0809DB8C: 2400    mov     r4, #0x00
0809DB8E: 5F18    ldsh    r0, [r3, r4]
0809DB90: 00C0    lsl     r0, r0, #0x3
0809DB92: 4460    add     r0, r12
0809DB94: 6800    ldr     r0, [r0]
0809DB96: 02C0    lsl     r0, r0, #0xB
0809DB98: 0E00    lsr     r0, r0, #0x18
0809DB9A: 1809    add     r1, r1, r0
0809DB9C: 4031    and     r1, r6
0809DB9E: 0149    lsl     r1, r1, #0x5
0809DBA0: 4855    ldr     r0, =#0xFFFFE01F
0809DBA2: 4010    and     r0, r2
0809DBA4: 4308    orr     r0, r1
0809DBA6: 82E8    strh    r0, [r5, #0x16]
0809DBA8: 7DEC    ldrb    r4, [r5, #0x17]
0809DBAA: 0960    lsr     r0, r4, #0x5
0809DBAC: 7E2A    ldrb    r2, [r5, #0x18]
0809DBAE: 4646    mov     r6, r8
0809DBB0: 4032    and     r2, r6
0809DBB2: 00D2    lsl     r2, r2, #0x3
0809DBB4: 4302    orr     r2, r0
0809DBB6: 2100    mov     r1, #0x00
0809DBB8: 5E58    ldsh    r0, [r3, r1]
0809DBBA: 00C0    lsl     r0, r0, #0x3
0809DBBC: 4460    add     r0, r12
0809DBBE: 8840    ldrh    r0, [r0, #0x02]
0809DBC0: 04C0    lsl     r0, r0, #0x13
0809DBC2: 0E00    lsr     r0, r0, #0x18
0809DBC4: 1812    add     r2, r2, r0
0809DBC6: 1C11    add     r1, r2, #0x0
0809DBC8: 2607    mov     r6, #0x07
0809DBCA: 4031    and     r1, r6
0809DBCC: 0149    lsl     r1, r1, #0x5
0809DBCE: 4640    mov     r0, r8
0809DBD0: 4020    and     r0, r4
0809DBD2: 4308    orr     r0, r1
0809DBD4: 75E8    strb    r0, [r5, #0x17]
0809DBD6: 08D2    lsr     r2, r2, #0x3
0809DBD8: 4640    mov     r0, r8
0809DBDA: 4002    and     r2, r0
0809DBDC: 7E28    ldrb    r0, [r5, #0x18]
0809DBDE: 2720    mov     r7, #0x20
0809DBE0: 427F    neg     r7, r7
0809DBE2: 4007    and     r7, r0
0809DBE4: 4317    orr     r7, r2
0809DBE6: 762F    strb    r7, [r5, #0x18]
0809DBE8: 696C    ldr     r4, [r5, #0x14]
0809DBEA: 02E2    lsl     r2, r4, #0xB
0809DBEC: 0E12    lsr     r2, r2, #0x18
0809DBEE: 2100    mov     r1, #0x00
0809DBF0: 5E58    ldsh    r0, [r3, r1]
0809DBF2: 00C0    lsl     r0, r0, #0x3
0809DBF4: 4460    add     r0, r12
0809DBF6: 78C1    ldrb    r1, [r0, #0x03]
0809DBF8: 0949    lsr     r1, r1, #0x5
0809DBFA: 7900    ldrb    r0, [r0, #0x04]
0809DBFC: 4646    mov     r6, r8
0809DBFE: 4030    and     r0, r6
0809DC00: 00C0    lsl     r0, r0, #0x3
0809DC02: 4308    orr     r0, r1
0809DC04: 1812    add     r2, r2, r0
0809DC06: 20FF    mov     r0, #0xFF
0809DC08: 4002    and     r2, r0
0809DC0A: 0352    lsl     r2, r2, #0xD
0809DC0C: 483B    ldr     r0, =#0xFFE01FFF
0809DC0E: 4020    and     r0, r4
0809DC10: 4310    orr     r0, r2
0809DC12: 6168    str     r0, [r5, #0x14]
0809DC14: 89EA    ldrh    r2, [r5, #0x0E]
0809DC16: 04D1    lsl     r1, r2, #0x13
0809DC18: 0E49    lsr     r1, r1, #0x19
0809DC1A: 2400    mov     r4, #0x00
0809DC1C: 5F18    ldsh    r0, [r3, r4]
0809DC1E: 00C0    lsl     r0, r0, #0x3
0809DC20: 4460    add     r0, r12
0809DC22: 8880    ldrh    r0, [r0, #0x04]
0809DC24: 04C0    lsl     r0, r0, #0x13
0809DC26: 0E00    lsr     r0, r0, #0x18
0809DC28: 1809    add     r1, r1, r0
0809DC2A: 267F    mov     r6, #0x7F
0809DC2C: 4031    and     r1, r6
0809DC2E: 0189    lsl     r1, r1, #0x6
0809DC30: 4833    ldr     r0, =#0xFFFFE03F
0809DC32: 4682    mov     r10, r0
0809DC34: 4656    mov     r6, r10
0809DC36: 4016    and     r6, r2
0809DC38: 430E    orr     r6, r1
0809DC3A: 81EE    strh    r6, [r5, #0x0E]
0809DC3C: 4648    mov     r0, r9
0809DC3E: 3001    add     r0, #0x01
0809DC40: 0400    lsl     r0, r0, #0x10
0809DC42: 0C00    lsr     r0, r0, #0x10
0809DC44: 4681    mov     r9, r0
0809DC46: 2804    cmp     r0, #0x04
0809DC48: D987    bls     0x0809DB5A

0809DC4A: 482E    ldr     r0, =#0x00CF00CE
0809DC4C: 9901    ldr     r1, [sp, #0x004]
0809DC4E: 4281    cmp     r1, r0
0809DC50: D148    bne     0x0809DCE4

0809DC52: 6A69    ldr     r1, [r5, #0x24]
0809DC54: 482C    ldr     r0, =#0x00D100D0
0809DC56: 4281    cmp     r1, r0
0809DC58: D144    bne     0x0809DCE4

0809DC5A: 2428    mov     r4, #0x28
0809DC5C: 5F28    ldsh    r0, [r5, r4]
0809DC5E: 28D2    cmp     r0, #0xD2
0809DC60: D140    bne     0x0809DCE4

0809DC62: 8AAB    ldrh    r3, [r5, #0x14]
0809DC64: 04D9    lsl     r1, r3, #0x13
0809DC66: 0E09    lsr     r1, r1, #0x18
0809DC68: 3132    add     r1, #0x32
0809DC6A: 24FF    mov     r4, #0xFF
0809DC6C: 4021    and     r1, r4
0809DC6E: 0149    lsl     r1, r1, #0x5
0809DC70: 4A21    ldr     r2, =#0xFFFFE01F
0809DC72: 1C10    add     r0, r2, #0x0
0809DC74: 4018    and     r0, r3
0809DC76: 4308    orr     r0, r1
0809DC78: 82A8    strh    r0, [r5, #0x14]
0809DC7A: 8AE9    ldrh    r1, [r5, #0x16]
0809DC7C: 04C8    lsl     r0, r1, #0x13
0809DC7E: 0E00    lsr     r0, r0, #0x18
0809DC80: 3032    add     r0, #0x32
0809DC82: 4020    and     r0, r4
0809DC84: 0140    lsl     r0, r0, #0x5
0809DC86: 400A    and     r2, r1
0809DC88: 4302    orr     r2, r0
0809DC8A: 82EA    strh    r2, [r5, #0x16]
0809DC8C: 7DEC    ldrb    r4, [r5, #0x17]
0809DC8E: 0960    lsr     r0, r4, #0x5
0809DC90: 7E29    ldrb    r1, [r5, #0x18]
0809DC92: 231F    mov     r3, #0x1F
0809DC94: 4019    and     r1, r3
0809DC96: 00C9    lsl     r1, r1, #0x3
0809DC98: 4301    orr     r1, r0
0809DC9A: 3132    add     r1, #0x32
0809DC9C: 1C0A    add     r2, r1, #0x0
0809DC9E: 2007    mov     r0, #0x07
0809DCA0: 4002    and     r2, r0
0809DCA2: 0152    lsl     r2, r2, #0x5
0809DCA4: 1C18    add     r0, r3, #0x0
0809DCA6: 4020    and     r0, r4
0809DCA8: 4310    orr     r0, r2
0809DCAA: 75E8    strb    r0, [r5, #0x17]
0809DCAC: 08C9    lsr     r1, r1, #0x3
0809DCAE: 4019    and     r1, r3
0809DCB0: 2420    mov     r4, #0x20
0809DCB2: 4264    neg     r4, r4
0809DCB4: 4027    and     r7, r4
0809DCB6: 430F    orr     r7, r1
0809DCB8: 762F    strb    r7, [r5, #0x18]
0809DCBA: 696A    ldr     r2, [r5, #0x14]
0809DCBC: 02D0    lsl     r0, r2, #0xB
0809DCBE: 0E00    lsr     r0, r0, #0x18
0809DCC0: 3032    add     r0, #0x32
0809DCC2: 21FF    mov     r1, #0xFF
0809DCC4: 4008    and     r0, r1
0809DCC6: 0340    lsl     r0, r0, #0xD
0809DCC8: 490C    ldr     r1, =#0xFFE01FFF
0809DCCA: 4011    and     r1, r2
0809DCCC: 4301    orr     r1, r0
0809DCCE: 6169    str     r1, [r5, #0x14]
0809DCD0: 04F0    lsl     r0, r6, #0x13
0809DCD2: 0E40    lsr     r0, r0, #0x19
0809DCD4: 3032    add     r0, #0x32
0809DCD6: 247F    mov     r4, #0x7F
0809DCD8: 4020    and     r0, r4
0809DCDA: 0180    lsl     r0, r0, #0x6
0809DCDC: 4651    mov     r1, r10
0809DCDE: 400E    and     r6, r1
0809DCE0: 4306    orr     r6, r0
0809DCE2: 81EE    strh    r6, [r5, #0x0E]

0809DCE4: B002    add     sp, #0x008
0809DCE6: BC38    pop     {r3, r4, r5}
0809DCE8: 4698    mov     r8, r3
0809DCEA: 46A1    mov     r9, r4
0809DCEC: 46AA    mov     r10, r5
0809DCEE: BCF0    pop     {r4, r5, r6, r7}
0809DCF0: BC01    pop     {r0}
0809DCF2: 4700    bx      r0

;0809DCF4: F4A8    bl       
;0809DCF6: 080F    lsr     r7, r1, #0x0
;0809DCF8: E01F    b       0x0809DD3A
;0809DCFA: FFFF    bl      0x080BDCFA
;0809DCFC: 1FFF    sub     r7, r7, #0x7
;0809DCFE: FFE0    bl      0x0809DCC0
;0809DD00: E03F    b       0x0809DD82
;0809DD02: FFFF    bl      0x080DDD02
;0809DD04: 00CE    lsl     r6, r1, #0x3
;0809DD06: 00CF    lsl     r7, r1, #0x3
;0809DD08: 00D0    lsl     r0, r2, #0x3
;0809DD0A: 00D1    lsl     r1, r2, #0x3

$0809E448 - ?

r0 and r1 contain an address.

0809E448: B570    push    {r4, r5, r6, lr}
0809E44A: 1C05    add     r5, r0, #0x0				; r5 = Orig. r0
0809E44C: 1C0E    add     r6, r1, #0x0				; r6 = Orig. r1
0809E44E: 7BEA    ldrb    r2, [r5, #0x0F]			; r2 = Orig. r0 + #$0F
0809E450: 0952    lsr     r2, r2, #0x5				; r2 now only contains Bits 7 to 5 in Bits 2 to 0.
0809E452: 7C29    ldrb    r1, [r5, #0x10]			; r1 = Orig. r0 + #$10
0809E454: 207F    mov     r0, #0x7F
0809E456: 4001    and     r1, r0				; r1 now only contains Bits 6 to 0
0809E458: 00C9    lsl     r1, r1, #0x3				; << 3
0809E45A: 4311    orr     r1, r2				; Put both back together 
0809E45C: 8AA8    ldrh    r0, [r5, #0x14]			; r0 = Orig. r0 + #$14
0809E45E: 04C0    lsl     r0, r0, #0x13				; Remove the three MSBs Bits 15 - 13
0809E460: 0E00    lsr     r0, r0, #0x18				; r0 now only contains Bits 12 - 5 in Bits 7 - 0
0809E462: 1809    add     r1, r1, r0				; Added to the other stuff
0809E464: 4C25    ldr     r4, =#0x000003E7
0809E466: 42A1    cmp     r1, r4
0809E468: DD00    ble     0x0809E46C				; If the stuff exceeds #$03E7, set r1 = #$03E7
0809E46A: 1C21    add     r1, r4, #0x0

0809E46C: 8031    strh    r1, [r6]				; Store the value in Orig. r1
0809E46E: 8A69    ldrh    r1, [r5, #0x12]
0809E470: 0549    lsl     r1, r1, #0x15
0809E472: 0D89    lsr     r1, r1, #0x16
0809E474: 8AE8    ldrh    r0, [r5, #0x16]
0809E476: 04C0    lsl     r0, r0, #0x13
0809E478: 0E00    lsr     r0, r0, #0x18
0809E47A: 1809    add     r1, r1, r0
0809E47C: 42A1    cmp     r1, r4
0809E47E: DD00    ble     0x0809E482

0809E480: 1C21    add     r1, r4, #0x0

0809E482: 80F1    strh    r1, [r6, #0x06]
0809E484: 7CE8    ldrb    r0, [r5, #0x13]
0809E486: 08C0    lsr     r0, r0, #0x3
0809E488: 7D29    ldrb    r1, [r5, #0x14]
0809E48A: 231F    mov     r3, #0x1F
0809E48C: 4019    and     r1, r3
0809E48E: 0149    lsl     r1, r1, #0x5
0809E490: 4301    orr     r1, r0
0809E492: 7DEA    ldrb    r2, [r5, #0x17]
0809E494: 0952    lsr     r2, r2, #0x5
0809E496: 7E28    ldrb    r0, [r5, #0x18]
0809E498: 4018    and     r0, r3
0809E49A: 00C0    lsl     r0, r0, #0x3
0809E49C: 4310    orr     r0, r2
0809E49E: 1809    add     r1, r1, r0
0809E4A0: 42A1    cmp     r1, r4
0809E4A2: DD00    ble     0x0809E4A6

0809E4A4: 1C21    add     r1, r4, #0x0

0809E4A6: 80B1    strh    r1, [r6, #0x04]
0809E4A8: 6929    ldr     r1, [r5, #0x10]
0809E4AA: 03C9    lsl     r1, r1, #0xF
0809E4AC: 0D89    lsr     r1, r1, #0x16
0809E4AE: 6968    ldr     r0, [r5, #0x14]
0809E4B0: 02C0    lsl     r0, r0, #0xB
0809E4B2: 0E00    lsr     r0, r0, #0x18
0809E4B4: 1809    add     r1, r1, r0
0809E4B6: 42A1    cmp     r1, r4
0809E4B8: DD00    ble     0x0809E4BC

0809E4BA: 1C21    add     r1, r4, #0x0

0809E4BC: 8071    strh    r1, [r6, #0x02]
0809E4BE: 68E9    ldr     r1, [r5, #0x0C]
0809E4C0: 0289    lsl     r1, r1, #0xA
0809E4C2: 0E49    lsr     r1, r1, #0x19
0809E4C4: 89E8    ldrh    r0, [r5, #0x0E]
0809E4C6: 04C0    lsl     r0, r0, #0x13
0809E4C8: 0E40    lsr     r0, r0, #0x19
0809E4CA: 1809    add     r1, r1, r0
0809E4CC: 2964    cmp     r1, #0x64
0809E4CE: DD00    ble     0x0809E4D2

0809E4D0: 2164    mov     r1, #0x64

0809E4D2: 8131    strh    r1, [r6, #0x08]
0809E4D4: 1C28    add     r0, r5, #0x0
0809E4D6: F01D    bl       
0809E4D8: FB71    bl      0x080BBBBC
0809E4DA: 72B0    strb    r0, [r6, #0x0A]
0809E4DC: 2400    mov     r4, #0x00
0809E4DE: 360B    add     r6, #0x0B

0809E4E0: 1C28    add     r0, r5, #0x0
0809E4E2: 1C21    add     r1, r4, #0x0
0809E4E4: F01D    bl       
0809E4E6: FB88    bl      0x080BBBF8
0809E4E8: 1931    add     r1, r6, r4
0809E4EA: 7008    strb    r0, [r1]
0809E4EC: 1C60    add     r0, r4, #0x1
0809E4EE: 0400    lsl     r0, r0, #0x10
0809E4F0: 0C04    lsr     r4, r0, #0x10
0809E4F2: 2C0F    cmp     r4, #0x0F
0809E4F4: D9F4    bls     0x0809E4E0

0809E4F6: BC70    pop     {r4, r5, r6}
0809E4F8: BC01    pop     {r0}
0809E4FA: 4700    bx      r0

;0809E4FC: 03E7    lsl     r7, r4, #0xF
;0809E4FE: 0000    lsl     r0, r0, #0x0

$0809E788 - ?

0809E788: B5F0    push    {r4, r5, r6, r7, lr}
0809E78A: 4647    mov     r7, r8
0809E78C: B480    push    {r7}
0809E78E: 1C06    add     r6, r0, #0x0			; r6 = Orig. r0
0809E790: 2000    mov     r0, #0x00			; Address Table Entry Number to load
0809E792: F01E    bl       
0809E794: FDC5    bl      0x080BD320			; Load Address from Table in WRAM
0809E796: 4680    mov     r8, r0			; Store loaded address in r8
0809E798: F01D    bl       
0809E79A: FC4A    bl      0x080BC030
0809E79C: 4B3F    ldr     r3, =#0x0202D7A0
0809E79E: 219B    mov     r1, #0x9B
0809E7A0: 0089    lsl     r1, r1, #0x2
0809E7A2: 1858    add     r0, r3, r1
0809E7A4: 6800    ldr     r0, [r0]
0809E7A6: 4A3E    ldr     r2, =#0x0001869F
0809E7A8: 4290    cmp     r0, r2
0809E7AA: D900    bls     0x0809E7AE

0809E7AC: 1C10    add     r0, r2, #0x0

0809E7AE: 4C3D    ldr     r4, =#0x00002F58
0809E7B0: 19A4    add     r4, r4, r6
0809E7B2: 46A4    mov     r12, r4
0809E7B4: 8020    strh    r0, [r4]
0809E7B6: 279D    mov     r7, #0x9D
0809E7B8: 00BF    lsl     r7, r7, #0x2
0809E7BA: 19D8    add     r0, r3, r7
0809E7BC: 6800    ldr     r0, [r0]
0809E7BE: 4290    cmp     r0, r2
0809E7C0: D900    bls     0x0809E7C4

0809E7C2: 1C10    add     r0, r2, #0x0

0809E7C4: 4938    ldr     r1, =#0x00002F5A
0809E7C6: 1874    add     r4, r6, r1
0809E7C8: 8020    strh    r0, [r4]
0809E7CA: 279E    mov     r7, #0x9E
0809E7CC: 00BF    lsl     r7, r7, #0x2
0809E7CE: 19D8    add     r0, r3, r7
0809E7D0: 6801    ldr     r1, [r0]
0809E7D2: 4291    cmp     r1, r2
0809E7D4: D900    bls     0x0809E7D8

0809E7D6: 1C11    add     r1, r2, #0x0

0809E7D8: 4A34    ldr     r2, =#0x00002F5C
0809E7DA: 18B0    add     r0, r6, r2
0809E7DC: 8001    strh    r1, [r0]
0809E7DE: 279F    mov     r7, #0x9F
0809E7E0: 00BF    lsl     r7, r7, #0x2
0809E7E2: 19D8    add     r0, r3, r7
0809E7E4: 8801    ldrh    r1, [r0]
0809E7E6: 3202    add     r2, #0x02
0809E7E8: 18B0    add     r0, r6, r2
0809E7EA: 8001    strh    r1, [r0]
0809E7EC: 3F11    sub     r7, #0x11
0809E7EE: 19D8    add     r0, r3, r7
0809E7F0: 7800    ldrb    r0, [r0]
0809E7F2: 06C0    lsl     r0, r0, #0x1B
0809E7F4: 0F00    lsr     r0, r0, #0x1C
0809E7F6: 3202    add     r2, #0x02
0809E7F8: 18B1    add     r1, r6, r2
0809E7FA: 8008    strh    r0, [r1]
0809E7FC: 3719    add     r7, #0x19
0809E7FE: 19D9    add     r1, r3, r7
0809E800: 680A    ldr     r2, [r1]
0809E802: 4D2B    ldr     r5, =#0x0000270F
0809E804: 42AA    cmp     r2, r5
0809E806: D900    bls     0x0809E80A

0809E808: 1C2A    add     r2, r5, #0x0

0809E80A: 4F2A    ldr     r7, =#0x00002F64
0809E80C: 19F0    add     r0, r6, r7
0809E80E: 8002    strh    r2, [r0]
0809E810: 22A0    mov     r2, #0xA0
0809E812: 0092    lsl     r2, r2, #0x2
0809E814: 1898    add     r0, r3, r2
0809E816: 6800    ldr     r0, [r0]
0809E818: 6809    ldr     r1, [r1]
0809E81A: 1A40    sub     r0, r0, r1
0809E81C: 4B26    ldr     r3, =#0x00002F66
0809E81E: 18F2    add     r2, r6, r3
0809E820: 8010    strh    r0, [r2]
0809E822: 1C01    add     r1, r0, #0x0
0809E824: 0400    lsl     r0, r0, #0x10
0809E826: 0C00    lsr     r0, r0, #0x10
0809E828: 42A8    cmp     r0, r5
0809E82A: D900    bls     0x0809E82E

0809E82C: 1C29    add     r1, r5, #0x0

0809E82E: 8011    strh    r1, [r2]
0809E830: 4A22    ldr     r2, =#0x02029CB0
0809E832: 27C9    mov     r7, #0xC9
0809E834: 007F    lsl     r7, r7, #0x1
0809E836: 19D0    add     r0, r2, r7
0809E838: 7801    ldrb    r1, [r0]
0809E83A: 4B21    ldr     r3, =#0x00000193
0809E83C: 18D0    add     r0, r2, r3
0809E83E: 7800    ldrb    r0, [r0]
0809E840: 0200    lsl     r0, r0, #0x8
0809E842: 1809    add     r1, r1, r0
0809E844: 42A9    cmp     r1, r5
0809E846: DD00    ble     0x0809E84A

0809E848: 1C29    add     r1, r5, #0x0

0809E84A: 4F1E    ldr     r7, =#0x00002F6A
0809E84C: 19F0    add     r0, r6, r7
0809E84E: 8001    strh    r1, [r0]
0809E850: 21CE    mov     r1, #0xCE
0809E852: 0049    lsl     r1, r1, #0x1
0809E854: 1850    add     r0, r2, r1
0809E856: 7801    ldrb    r1, [r0]
0809E858: 4B1B    ldr     r3, =#0x0000019D
0809E85A: 18D0    add     r0, r2, r3
0809E85C: 7800    ldrb    r0, [r0]
0809E85E: 0200    lsl     r0, r0, #0x8
0809E860: 1809    add     r1, r1, r0
0809E862: 42A9    cmp     r1, r5
0809E864: DD00    ble     0x0809E868

0809E866: 1C29    add     r1, r5, #0x0

0809E868: 4F18    ldr     r7, =#0x00002F6C
0809E86A: 19F0    add     r0, r6, r7
0809E86C: 8001    strh    r1, [r0]
0809E86E: 21CD    mov     r1, #0xCD
0809E870: 0049    lsl     r1, r1, #0x1
0809E872: 1850    add     r0, r2, r1
0809E874: 7801    ldrb    r1, [r0]
0809E876: 4B16    ldr     r3, =#0x0000019B
0809E878: 18D0    add     r0, r2, r3
0809E87A: 7800    ldrb    r0, [r0]
0809E87C: 0200    lsl     r0, r0, #0x8
0809E87E: 1809    add     r1, r1, r0
0809E880: 42A9    cmp     r1, r5
0809E882: DD00    ble     0x0809E886

0809E884: 1C29    add     r1, r5, #0x0

0809E886: 4F13    ldr     r7, =#0x00002F6E
0809E888: 19F0    add     r0, r6, r7
0809E88A: 8001    strh    r1, [r0]
0809E88C: 4661    mov     r1, r12
0809E88E: 8808    ldrh    r0, [r1]
0809E890: 2800    cmp     r0, #0x00
0809E892: D123    bne     0x0809E8DC

0809E894: 4A10    ldr     r2, =#0x00002F70
0809E896: 18B1    add     r1, r6, r2
0809E898: 2000    mov     r0, #0x00
0809E89A: E032    b       0x0809E902

;0809E89C: D7A0    bvc     0x0809E7E0
;0809E89E: 0202    lsl     r2, r0, #0x8
;0809E8A0: 869F    strh    r7, [r3, #0x34]
;0809E8A2: 0001    lsl     r1, r0, #0x0
;0809E8A4: 2F58    cmp     r7, #0x58
;0809E8A6: 0000    lsl     r0, r0, #0x0
;0809E8A8: 2F5A    cmp     r7, #0x5A
;0809E8AA: 0000    lsl     r0, r0, #0x0
;0809E8AC: 2F5C    cmp     r7, #0x5C
;0809E8AE: 0000    lsl     r0, r0, #0x0
;0809E8B0: 270F    mov     r7, #0x0F
;0809E8B2: 0000    lsl     r0, r0, #0x0
;0809E8B4: 2F64    cmp     r7, #0x64
;0809E8B6: 0000    lsl     r0, r0, #0x0
;0809E8B8: 2F66    cmp     r7, #0x66
;0809E8BA: 0000    lsl     r0, r0, #0x0
;0809E8BC: 9CB0    ldr     r4, [sp, #0x2C0]
;0809E8BE: 0202    lsl     r2, r0, #0x8
;0809E8C0: 0193    lsl     r3, r2, #0x6
;0809E8C2: 0000    lsl     r0, r0, #0x0
;0809E8C4: 2F6A    cmp     r7, #0x6A
;0809E8C6: 0000    lsl     r0, r0, #0x0
;0809E8C8: 019D    lsl     r5, r3, #0x6
;0809E8CA: 0000    lsl     r0, r0, #0x0
;0809E8CC: 2F6C    cmp     r7, #0x6C
;0809E8CE: 0000    lsl     r0, r0, #0x0
;0809E8D0: 019B    lsl     r3, r3, #0x6
;0809E8D2: 0000    lsl     r0, r0, #0x0
;0809E8D4: 2F6E    cmp     r7, #0x6E
;0809E8D6: 0000    lsl     r0, r0, #0x0
;0809E8D8: 2F70    cmp     r7, #0x70
;0809E8DA: 0000    lsl     r0, r0, #0x0

0809E8DC: 8824    ldrh    r4, [r4]
0809E8DE: 1B04    sub     r4, r0, r4
0809E8E0: 0424    lsl     r4, r4, #0x10
0809E8E2: 0C24    lsr     r4, r4, #0x10
0809E8E4: 2064    mov     r0, #0x64
0809E8E6: 4360    mul     r0, r4
0809E8E8: 4663    mov     r3, r12
0809E8EA: 8819    ldrh    r1, [r3]
0809E8EC: F021    bl       
0809E8EE: FE58    bl      0x080C05A0
0809E8F0: 4F45    ldr     r7, =#0x00002F70
0809E8F2: 19F1    add     r1, r6, r7
0809E8F4: 7008    strb    r0, [r1]
0809E8F6: 2C00    cmp     r4, #0x00
0809E8F8: D004    beq     0x0809E904

0809E8FA: 0600    lsl     r0, r0, #0x18
0809E8FC: 2800    cmp     r0, #0x00
0809E8FE: D101    bne     0x0809E904

0809E900: 2001    mov     r0, #0x01

0809E902: 7008    strb    r0, [r1]

0809E904: 4C41    ldr     r4, =#0x02032700
0809E906: 4842    ldr     r0, =#0x00009434
0809E908: 1824    add     r4, r4, r0
0809E90A: 8821    ldrh    r1, [r4]
0809E90C: 2064    mov     r0, #0x64
0809E90E: 4348    mul     r0, r1
0809E910: 2170    mov     r1, #0x70
0809E912: F021    bl       
0809E914: FE45    bl      0x080C05A0
0809E916: 1C01    add     r1, r0, #0x0
0809E918: 4B3E    ldr     r3, =#0x00002F72
0809E91A: 18F2    add     r2, r6, r3
0809E91C: 7011    strb    r1, [r2]
0809E91E: 8820    ldrh    r0, [r4]
0809E920: 2800    cmp     r0, #0x00
0809E922: D004    beq     0x0809E92E

0809E924: 0608    lsl     r0, r1, #0x18
0809E926: 2800    cmp     r0, #0x00
0809E928: D101    bne     0x0809E92E

0809E92A: 2001    mov     r0, #0x01
0809E92C: 7010    strb    r0, [r2]

0809E92E: 2500    mov     r5, #0x00
0809E930: 2400    mov     r4, #0x00

0809E932: 4640    mov     r0, r8
0809E934: 1C21    add     r1, r4, #0x0
0809E936: F01C    bl       
0809E938: FDF1    bl      0x080BB51C
0809E93A: 1828    add     r0, r5, r0
0809E93C: 0400    lsl     r0, r0, #0x10
0809E93E: 0C05    lsr     r5, r0, #0x10
0809E940: 1C60    add     r0, r4, #0x1
0809E942: 0400    lsl     r0, r0, #0x10
0809E944: 0C04    lsr     r4, r0, #0x10
0809E946: 2C0F    cmp     r4, #0x0F
0809E948: D9F3    bls     0x0809E932

0809E94A: 2064    mov     r0, #0x64
0809E94C: 4368    mul     r0, r5
0809E94E: 2170    mov     r1, #0x70
0809E950: F021    bl       
0809E952: FE26    bl      0x080C05A0
0809E954: 4C30    ldr     r4, =#0x00002F73
0809E956: 1931    add     r1, r6, r4
0809E958: 7008    strb    r0, [r1]
0809E95A: 2D00    cmp     r5, #0x00
0809E95C: D004    beq     0x0809E968

0809E95E: 0600    lsl     r0, r0, #0x18
0809E960: 2800    cmp     r0, #0x00
0809E962: D101    bne     0x0809E968

0809E964: 2001    mov     r0, #0x01
0809E966: 7008    strb    r0, [r1]

0809E968: 4F2C    ldr     r7, =#0x00002F68
0809E96A: 19F1    add     r1, r6, r7
0809E96C: 2000    mov     r0, #0x00
0809E96E: 8008    strh    r0, [r1]
0809E970: 2400    mov     r4, #0x00
0809E972: 4D2B    ldr     r5, =#0x02029CB0
0809E974: 1C2F    add     r7, r5, #0x0
0809E976: 482B    ldr     r0, =#0x0000012B
0809E978: 4680    mov     r8, r0
0809E97A: 2201    mov     r2, #0x01
0809E97C: 4694    mov     r12, r2

0809E97E: 1C23    add     r3, r4, #0x0
0809E980: 339C    add     r3, #0x9C
0809E982: 10D8    asr     r0, r3, #0x3
0809E984: 19C0    add     r0, r0, r7
0809E986: 7802    ldrb    r2, [r0]
0809E988: 1C18    add     r0, r3, #0x0
0809E98A: 10C0    asr     r0, r0, #0x3
0809E98C: 00C0    lsl     r0, r0, #0x3
0809E98E: 1A18    sub     r0, r3, r0
0809E990: 4102    asr     r2, r0
0809E992: 4663    mov     r3, r12
0809E994: 401A    and     r2, r3
0809E996: 2A00    cmp     r2, #0x00
0809E998: D002    beq     0x0809E9A0

0809E99A: 8808    ldrh    r0, [r1]
0809E99C: 3001    add     r0, #0x01
0809E99E: 8008    strh    r0, [r1]

0809E9A0: 1C60    add     r0, r4, #0x1
0809E9A2: 0400    lsl     r0, r0, #0x10
0809E9A4: 0C04    lsr     r4, r0, #0x10
0809E9A6: 4544    cmp     r4, r8
0809E9A8: D9E9    bls     0x0809E97E

0809E9AA: 4C1C    ldr     r4, =#0x00002F68
0809E9AC: 1933    add     r3, r6, r4
0809E9AE: 4F1E    ldr     r7, =#0x00000179
0809E9B0: 19E8    add     r0, r5, r7
0809E9B2: 7800    ldrb    r0, [r0]
0809E9B4: 881A    ldrh    r2, [r3]
0809E9B6: 1812    add     r2, r2, r0
0809E9B8: 21FA    mov     r1, #0xFA
0809E9BA: 0049    lsl     r1, r1, #0x1
0809E9BC: 1868    add     r0, r5, r1
0809E9BE: 7801    ldrb    r1, [r0]
0809E9C0: 4C1A    ldr     r4, =#0x000001F5
0809E9C2: 1928    add     r0, r5, r4
0809E9C4: 7800    ldrb    r0, [r0]
0809E9C6: 0200    lsl     r0, r0, #0x8
0809E9C8: 1809    add     r1, r1, r0
0809E9CA: 1A52    sub     r2, r2, r1
0809E9CC: 801A    strh    r2, [r3]
0809E9CE: 1C30    add     r0, r6, #0x0
0809E9D0: F01A    bl       
0809E9D2: FF0A    bl      0x080B97E8
0809E9D4: 4F16    ldr     r7, =#0x00003ACE
0809E9D6: 19F4    add     r4, r6, r7
0809E9D8: 8821    ldrh    r1, [r4]
0809E9DA: 2064    mov     r0, #0x64
0809E9DC: 4348    mul     r0, r1
0809E9DE: 2190    mov     r1, #0x90
0809E9E0: 0049    lsl     r1, r1, #0x1
0809E9E2: F021    bl       
0809E9E4: FDDD    bl      0x080C05A0
0809E9E6: 1C02    add     r2, r0, #0x0
0809E9E8: 4812    ldr     r0, =#0x00002F74
0809E9EA: 1831    add     r1, r6, r0
0809E9EC: 700A    strb    r2, [r1]
0809E9EE: 8820    ldrh    r0, [r4]
0809E9F0: 2800    cmp     r0, #0x00
0809E9F2: D004    beq     0x0809E9FE

0809E9F4: 0610    lsl     r0, r2, #0x18
0809E9F6: 2800    cmp     r0, #0x00
0809E9F8: D101    bne     0x0809E9FE

0809E9FA: 2001    mov     r0, #0x01
0809E9FC: 7008    strb    r0, [r1]

0809E9FE: BC08    pop     {r3}
0809EA00: 4698    mov     r8, r3
0809EA02: BCF0    pop     {r4, r5, r6, r7}
0809EA04: BC01    pop     {r0}
0809EA06: 4700    bx      r0

;0809EA08: 2F70    cmp     r7, #0x70
;0809EA0A: 0000    lsl     r0, r0, #0x0
;0809EA0C: 2700    mov     r7, #0x00
;0809EA0E: 0203    lsl     r3, r0, #0x8
;0809EA10: 9434    str     r4, [sp, #0x0D0]
;0809EA12: 0000    lsl     r0, r0, #0x0
;0809EA14: 2F72    cmp     r7, #0x72
;0809EA16: 0000    lsl     r0, r0, #0x0
;0809EA18: 2F73    cmp     r7, #0x73
;0809EA1A: 0000    lsl     r0, r0, #0x0
;0809EA1C: 2F68    cmp     r7, #0x68
;0809EA1E: 0000    lsl     r0, r0, #0x0
;0809EA20: 9CB0    ldr     r4, [sp, #0x2C0]
;0809EA22: 0202    lsl     r2, r0, #0x8
;0809EA24: 012B    lsl     r3, r5, #0x4
;0809EA26: 0000    lsl     r0, r0, #0x0
;0809EA28: 0179    lsl     r1, r7, #0x5
;0809EA2A: 0000    lsl     r0, r0, #0x0
;0809EA2C: 01F5    lsl     r5, r6, #0x7
;0809EA2E: 0000    lsl     r0, r0, #0x0
;0809EA30: 3ACE    sub     r2, #0xCE
;0809EA32: 0000    lsl     r0, r0, #0x0
;0809EA34: 2F74    cmp     r7, #0x74
;0809EA36: 0000    lsl     r0, r0, #0x0

$0809EAA0 - ?

0809EAA0: B5F0    push    {r4, r5, r6, r7, lr}
0809EAA2: 4657    mov     r7, r10
0809EAA4: 464E    mov     r6, r9
0809EAA6: 4645    mov     r5, r8
0809EAA8: B4E0    push    {r5, r6, r7}

0809EAAA: 1C02    add     r2, r0, #0x0					; r2 = r0
0809EAAC: 2600    mov     r6, #0x00
0809EAAE: 4809    ldr     r0, =#0x08103C18
0809EAB0: 4682    mov     r10, r0					; r10 = #$08103C18
0809EAB2: 2110    mov     r1, #0x10
0809EAB4: 4689    mov     r9, r1

0809EAB6: 2000    mov     r0, #0x00
0809EAB8: 7010    strb    r0, [r2]
0809EABA: 7050    strb    r0, [r2, #0x01]
0809EABC: 00B1    lsl     r1, r6, #0x2
0809EABE: 4653    mov     r3, r10
0809EAC0: 18C8    add     r0, r1, r3
0809EAC2: 7840    ldrb    r0, [r0, #0x01]
0809EAC4: 0640    lsl     r0, r0, #0x19
0809EAC6: 0EC0    lsr     r0, r0, #0x1B
0809EAC8: 280F    cmp     r0, #0x0F
0809EACA: DC05    bgt     0x0809EAD8

0809EACC: 7490    strb    r0, [r2, #0x12]
0809EACE: 2001    mov     r0, #0x01
0809EAD0: 7050    strb    r0, [r2, #0x01]
0809EAD2: E003    b       0x0809EADC

;0809EAD4: 3C18    sub     r4, #0x18
;0809EAD6: 0810    lsr     r0, r2, #0x0

0809EAD8: 4648    mov     r0, r9
0809EADA: 7490    strb    r0, [r2, #0x12]

0809EADC: 4653    mov     r3, r10
0809EADE: 18C8    add     r0, r1, r3
0809EAE0: 6800    ldr     r0, [r0]
0809EAE2: 0300    lsl     r0, r0, #0xC
0809EAE4: 0EC0    lsr     r0, r0, #0x1B
0809EAE6: 280F    cmp     r0, #0x0F
0809EAE8: DC04    bgt     0x0809EAF4

0809EAEA: 74D0    strb    r0, [r2, #0x13]
0809EAEC: 7850    ldrb    r0, [r2, #0x01]
0809EAEE: 3001    add     r0, #0x01
0809EAF0: 7050    strb    r0, [r2, #0x01]
0809EAF2: E001    b       0x0809EAF8

0809EAF4: 4648    mov     r0, r9
0809EAF6: 74D0    strb    r0, [r2, #0x13]

0809EAF8: 2500    mov     r5, #0x00
0809EAFA: 1C77    add     r7, r6, #0x1
0809EAFC: 2114    mov     r1, #0x14
0809EAFE: 1889    add     r1, r1, r2
0809EB00: 468C    mov     r12, r1
0809EB02: 4B19    ldr     r3, =#0x08103C18
0809EB04: 4698    mov     r8, r3
0809EB06: 1C94    add     r4, r2, #0x2

0809EB08: 00A8    lsl     r0, r5, #0x2
0809EB0A: 4641    mov     r1, r8
0809EB0C: 1843    add     r3, r0, r1
0809EB0E: 7858    ldrb    r0, [r3, #0x01]
0809EB10: 0640    lsl     r0, r0, #0x19
0809EB12: 0EC0    lsr     r0, r0, #0x1B
0809EB14: 42B0    cmp     r0, r6
0809EB16: D108    bne     0x0809EB2A

0809EB18: 7810    ldrb    r0, [r2]
0809EB1A: 1820    add     r0, r4, r0
0809EB1C: 8819    ldrh    r1, [r3]
0809EB1E: 0589    lsl     r1, r1, #0x16
0809EB20: 0EC9    lsr     r1, r1, #0x1B
0809EB22: 7001    strb    r1, [r0]
0809EB24: 7810    ldrb    r0, [r2]
0809EB26: 3001    add     r0, #0x01
0809EB28: 7010    strb    r0, [r2]

0809EB2A: 6818    ldr     r0, [r3]
0809EB2C: 0300    lsl     r0, r0, #0xC
0809EB2E: 0EC0    lsr     r0, r0, #0x1B
0809EB30: 42B0    cmp     r0, r6
0809EB32: D108    bne     0x0809EB46

0809EB34: 7810    ldrb    r0, [r2]
0809EB36: 1820    add     r0, r4, r0
0809EB38: 8819    ldrh    r1, [r3]
0809EB3A: 0589    lsl     r1, r1, #0x16
0809EB3C: 0EC9    lsr     r1, r1, #0x1B
0809EB3E: 7001    strb    r1, [r0]
0809EB40: 7810    ldrb    r0, [r2]
0809EB42: 3001    add     r0, #0x01
0809EB44: 7010    strb    r0, [r2]

0809EB46: 1C68    add     r0, r5, #0x1
0809EB48: 0400    lsl     r0, r0, #0x10
0809EB4A: 0C05    lsr     r5, r0, #0x10
0809EB4C: 2D0F    cmp     r5, #0x0F
0809EB4E: D9DB    bls     0x0809EB08

0809EB50: 0438    lsl     r0, r7, #0x10
0809EB52: 0C06    lsr     r6, r0, #0x10
0809EB54: 4662    mov     r2, r12
0809EB56: 2E0F    cmp     r6, #0x0F
0809EB58: D9AD    bls     0x0809EAB6

0809EB5A: BC38    pop     {r3, r4, r5}
0809EB5C: 4698    mov     r8, r3
0809EB5E: 46A1    mov     r9, r4
0809EB60: 46AA    mov     r10, r5
0809EB62: BCF0    pop     {r4, r5, r6, r7}
0809EB64: BC01    pop     {r0}
0809EB66: 4700    bx      r0

;0809EB68: 3C18    sub     r4, #0x18
;0809EB6A: 0810    lsr     r0, r2, #0x0

$0809EB6C - ?

This is called from $080A7BE8 and $0809EA38 (maybe from others, later, too). In both cases, r0 contains the address $0203642C.

With #$0203642C in r0, this subroutine does:

  • Set bit 0 in $02036546
  • Store #$00000000 in $02036538-B.
  • Store #$003C in $02036534/5.
  • Store #$00000000 in $0203653C-F.
  • Store #$00000000 in $02036540-3.
  • Store #$FFFF in $02036544/5.
  • Clear bits 1 to 4 from $02036546.
  • Store #$0068 in $02036530/1.
  • Store #$0038 in $02036532/3.
  • From $0203642C to $0203652F(?), this fills the register in the following pattern: $???????? $0080 $0080 $00000000 ($00013B13 * Loop Counter) ($0001 * Loop Counter). First byte is not changed.
0809EB6C: B530    push    {r4, r5, lr}

0809EB6E: 1C03    add     r3, r0, #0x0			; r3 = Orig. r0 (#$0203642C)
0809EB70: 208D    mov     r0, #0x8D
0809EB72: 0040    lsl     r0, r0, #0x1			; r0 = #$011A
0809EB74: 18C0    add     r0, r0, r3			; r0 = Orig. r0 + #$011A (#$02036546)
0809EB76: 4684    mov     r12, r0			; r12 = Orig. r0 + #$011A (#$02036546)
0809EB78: 7800    ldrb    r0, [r0]			; r0 = [Orig. r0 + #$011A] ([$02036546])
0809EB7A: 2101    mov     r1, #0x01
0809EB7C: 4308    orr     r0, r1			; Set bit 0
0809EB7E: 4661    mov     r1, r12
0809EB80: 7008    strb    r0, [r1]			; Store value back
0809EB82: 2086    mov     r0, #0x86
0809EB84: 0040    lsl     r0, r0, #0x1			; r0 = #$010C
0809EB86: 181A    add     r2, r3, r0			; r2 = Orig. r0 + #$010C (#$02036538)
0809EB88: 2000    mov     r0, #0x00
0809EB8A: 6010    str     r0, [r2]			; Clear Orig. r0 + #$010C ($02036538)
0809EB8C: 2084    mov     r0, #0x84
0809EB8E: 0040    lsl     r0, r0, #0x1			; r0 = #$0108
0809EB90: 1819    add     r1, r3, r0			; r1 = Orig. r0 + #$0108 (#$02036534)
0809EB92: 203C    mov     r0, #0x3C
0809EB94: 8008    strh    r0, [r1]			; Store #$003C in Orig. r0 + #$010C ($02036538)
0809EB96: 30D4    add     r0, #0xD4			; r0 = #$0110
0809EB98: 1819    add     r1, r3, r0			; r1 = Orig. r0 + #$0110 (#$0203653C)
0809EB9A: 6810    ldr     r0, [r2]			; r0 = Orig. r0 + #$010C (#$02036538) = #$0000000
0809EB9C: 6008    str     r0, [r1]			; Clear Orig. r0 + #$0110 (#$0203653C)
0809EB9E: 208A    mov     r0, #0x8A
0809EBA0: 0040    lsl     r0, r0, #0x1			; r0 = #$0114
0809EBA2: 1819    add     r1, r3, r0			; r1 = Orig. r0 + #$0114 (#$02036540)
0809EBA4: 6810    ldr     r0, [r2]			; r0 = Orig. r0 + #$010C (#$02036538) = #$0000000
0809EBA6: 6008    str     r0, [r1]			; Clear Orig. r0 + #$0114 (#$02036540)
0809EBA8: 208C    mov     r0, #0x8C
0809EBAA: 0040    lsl     r0, r0, #0x1			; r0 = #$0118
0809EBAC: 1819    add     r1, r3, r0			; r1 = Orig. r0 + #$0118 (#$02036544)
0809EBAE: 4813    ldr     r0, =#0x0000FFFF
0809EBB0: 8008    strh    r0, [r1]			; Store #$FFFF in Orig. r0 + #$0118 (#$02036544/5)
0809EBB2: 4660    mov     r0, r12			; r0 = Orig. r0 + #$011A (#$02036546)
0809EBB4: 7801    ldrb    r1, [r0]			; r1 = [Orig. r0 + #$011A] ([$02036546])
0809EBB6: 201F    mov     r0, #0x1F
0809EBB8: 4240    neg     r0, r0			; r0 = #$FFFFFFE1
0809EBBA: 4008    and     r0, r1			; Remove Bits 1 to 4 from loaded byte
0809EBBC: 4661    mov     r1, r12
0809EBBE: 7008    strb    r0, [r1]			; Store Byte back
0809EBC0: 2082    mov     r0, #0x82
0809EBC2: 0040    lsl     r0, r0, #0x1			; r0 = #$0104
0809EBC4: 1819    add     r1, r3, r0			; r1 = Orig. r0 + #$0104 (#$02036530)
0809EBC6: 2068    mov     r0, #0x68
0809EBC8: 8008    strh    r0, [r1]			; Store #$0068 in Orig. r0 + #$0104 ($02036530)
0809EBCA: 2038    mov     r0, #0x38
0809EBCC: 8048    strh    r0, [r1, #0x02]		; Store #$0038 in Orig. r0 + #$0106 ($02036532)
0809EBCE: 1C19    add     r1, r3, #0x0			; r1 = Orig. r0
0809EBD0: 2200    mov     r2, #0x00
0809EBD2: 2000    mov     r0, #0x00			; Setup loop counter
0809EBD4: 2500    mov     r5, #0x00
0809EBD6: 2380    mov     r3, #0x80
0809EBD8: 005B    lsl     r3, r3, #0x1			; r3 = #$0100
0809EBDA: 4C09    ldr     r4, =#0x00013B13

0809EBDC: 808B    strh    r3, [r1, #0x04]		; Store #$0080
0809EBDE: 80CB    strh    r3, [r1, #0x06]		; Store #$0080
0809EBE0: 810D    strh    r5, [r1, #0x08]		; Store #$00000000
0809EBE2: 60CA    str     r2, [r1, #0x0C]		; Store #$13B13 * Loop Counter
0809EBE4: 7408    strb    r0, [r1, #0x10]		; Store Loop Counter
0809EBE6: 1912    add     r2, r2, r4			; r2 = #$13B13 * Loop Counter
0809EBE8: 3001    add     r0, #0x01			; INC Loop Counter
0809EBEA: 0400    lsl     r0, r0, #0x10			; Loop Counter AND #$0000FFFF
0809EBEC: 0C00    lsr     r0, r0, #0x10
0809EBEE: 3114    add     r1, #0x14			; Increment Store Address
0809EBF0: 280C    cmp     r0, #0x0C
0809EBF2: D9F3    bls     0x0809EBDC			; Loop until Loop Counter > #$0C

0809EBF4: BC30    pop     {r4, r5}
0809EBF6: BC01    pop     {r0}
0809EBF8: 4700    bx      r0

;0809EBFA: 0000    lsl     r0, r0, #0x0
;0809EBFC: FFFF    bl      0x0809FBFC
;0809EBFE: 0000    lsl     r0, r0, #0x0
;0809EC00: 3B13    sub     r3, #0x13
;0809EC02: 0001    lsl     r1, r0, #0x0

$0809F124 - Transfer Equipment Items to VRAM

This does one specific DMA to VRAM. Both source and destination address are hardwired.

0809F124: 4908    ldr     r1, =#0x040000D4
0809F126: 4809    ldr     r0, =#0x0862922C
0809F128: 6008    str     r0, [r1]				; DMA Source: $0862922C
0809F12A: 4809    ldr     r0, =#0x06010800
0809F12C: 6048    str     r0, [r1, #0x04]			; DMA Destination: VRAM $06010800
0809F12E: 4809    ldr     r0, =#0x80000400
0809F130: 6088    str     r0, [r1, #0x08]			; Start DMA, Transfer 400 Double Bytes
0809F132: 6888    ldr     r0, [r1, #0x08]
0809F134: 6888    ldr     r0, [r1, #0x08]
0809F136: 2280    mov     r2, #0x80
0809F138: 0612    lsl     r2, r2, #0x18
0809F13A: 2800    cmp     r0, #0x00
0809F13C: DA03    bge     0x0809F146
0809F13E: 6888    ldr     r0, [r1, #0x08]
0809F140: 4010    and     r0, r2
0809F142: 2800    cmp     r0, #0x00
0809F144: D1FB    bne     0x0809F13E
0809F146: 4770    bx      lr

;0809F148: 00D4    lsl     r4, r2, #0x3
;0809F14A: 0400    lsl     r0, r0, #0x10
;0809F14C: 922C    str     r2, [sp, #0x0B0]
;0809F14E: 0862    lsr     r2, r4, #0x1
;0809F150: 0800    lsr     r0, r0, #0x0
;0809F152: 0601    lsl     r1, r0, #0x18
;0809F154: 0400    lsl     r0, r0, #0x10
;0809F156: 8000    strh    r0, [r0]

$0809F450 - ?

0809F450: B510    push    {r4, lr}
0809F452: 4817    ldr     r0, =#0x087924C0
0809F454: 2109    mov     r1, #0x09
0809F456: F01E    bl       
0809F458: FF6B    bl      0x080BE330
0809F45A: 1C03    add     r3, r0, #0x0
0809F45C: 4C15    ldr     r4, =#0x06011800
0809F45E: 20C0    mov     r0, #0xC0
0809F460: 0140    lsl     r0, r0, #0x5
0809F462: 181B    add     r3, r3, r0
0809F464: 4814    ldr     r0, =#0x040000D4
0809F466: 6003    str     r3, [r0]
0809F468: 6044    str     r4, [r0, #0x04]
0809F46A: 4914    ldr     r1, =#0x80000180
0809F46C: 6081    str     r1, [r0, #0x08]			; Activate DMA
0809F46E: 6881    ldr     r1, [r0, #0x08]
0809F470: 1C02    add     r2, r0, #0x0
0809F472: 6890    ldr     r0, [r2, #0x08]
0809F474: 2180    mov     r1, #0x80
0809F476: 0609    lsl     r1, r1, #0x18
0809F478: 2800    cmp     r0, #0x00
0809F47A: DA03    bge     0x0809F484

0809F47C: 6890    ldr     r0, [r2, #0x08]
0809F47E: 4008    and     r0, r1
0809F480: 2800    cmp     r0, #0x00
0809F482: D1FB    bne     0x0809F47C

0809F484: 4A0C    ldr     r2, =#0x040000D4
0809F486: 2080    mov     r0, #0x80
0809F488: 00C0    lsl     r0, r0, #0x3
0809F48A: 1819    add     r1, r3, r0
0809F48C: 6011    str     r1, [r2]
0809F48E: 1820    add     r0, r4, r0
0809F490: 6050    str     r0, [r2, #0x04]
0809F492: 480A    ldr     r0, =#0x80000180
0809F494: 6090    str     r0, [r2, #0x08]
0809F496: 6890    ldr     r0, [r2, #0x08]
0809F498: 6890    ldr     r0, [r2, #0x08]
0809F49A: 2180    mov     r1, #0x80
0809F49C: 0609    lsl     r1, r1, #0x18
0809F49E: 2800    cmp     r0, #0x00
0809F4A0: DA03    bge     0x0809F4AA

0809F4A2: 6890    ldr     r0, [r2, #0x08]
0809F4A4: 4008    and     r0, r1
0809F4A6: 2800    cmp     r0, #0x00
0809F4A8: D1FB    bne     0x0809F4A2

0809F4AA: BC10    pop     {r4}
0809F4AC: BC01    pop     {r0}
0809F4AE: 4700    bx      r0

;0809F4B0: 24C0    mov     r4, #0xC0
;0809F4B2: 0879    lsr     r1, r7, #0x1
;0809F4B4: 1800    add     r0, r0, r0
;0809F4B6: 0601    lsl     r1, r0, #0x18
;0809F4B8: 00D4    lsl     r4, r2, #0x3
;0809F4BA: 0400    lsl     r0, r0, #0x10
;0809F4BC: 0180    lsl     r0, r0, #0x6
;0809F4BE: 8000    strh    r0, [r0]

$0809F91C - ?

0809F91C: B5F0    push    {r4, r5, r6, r7, lr}
0809F91E: 4647    mov     r7, r8
0809F920: B480    push    {r7}
0809F922: 4E10    ldr     r6, =#0x06011000
0809F924: 2700    mov     r7, #0x00
0809F926: 2500    mov     r5, #0x00
0809F928: 480F    ldr     r0, =#0x0203BB3E
0809F92A: 4680    mov     r8, r0
0809F92C: 4641    mov     r1, r8
0809F92E: 8809    ldrh    r1, [r1]
0809F930: 428D    cmp     r5, r1					; $0203BB3E/F = #$0000 ?
0809F932: D22B    bcs     0x0809F98C
0809F934: 1C28    add     r0, r5, #0x0				; r0 = #$00
0809F936: F01D    bl       
0809F938: FCF3    bl      0x080BD320					; ?
0809F93A: 1C04    add     r4, r0, #0x0
0809F93C: 1C28    add     r0, r5, #0x0
0809F93E: F01D    bl       
0809F940: FD0F    bl      0x080BD360
0809F942: 1C01    add     r1, r0, #0x0
0809F944: 7860    ldrb    r0, [r4, #0x01]
0809F946: 09C0    lsr     r0, r0, #0x7
0809F948: 2800    cmp     r0, #0x00
0809F94A: D00F    beq     0x0809F96C
0809F94C: 2211    mov     r2, #0x11
0809F94E: 7A89    ldrb    r1, [r1, #0x0A]
0809F950: 2001    mov     r0, #0x01
0809F952: 4008    and     r0, r1
0809F954: 2800    cmp     r0, #0x00
0809F956: D013    beq     0x0809F980
0809F958: 0688    lsl     r0, r1, #0x1A
0809F95A: 0EC0    lsr     r0, r0, #0x1B
0809F95C: 1C02    add     r2, r0, #0x0
0809F95E: 3211    add     r2, #0x11
0809F960: E00E    b       0x0809F980

;0809F962: 0000    lsl     r0, r0, #0x0
;0809F964: 1000    asr     r0, r0, #0x0
;0809F966: 0601    lsl     r1, r0, #0x18
;0809F968: BB3E    pop     {r1, r2, r3, r4, r5, pc}
;0809F96A: 0203    lsl     r3, r0, #0x8

0809F96C: 78A0    ldrb    r0, [r4, #0x02]
0809F96E: 07C0    lsl     r0, r0, #0x1F
0809F970: 2800    cmp     r0, #0x00
0809F972: D002    beq     0x0809F97A
0809F974: 7820    ldrb    r0, [r4]
0809F976: 0680    lsl     r0, r0, #0x1A
0809F978: E001    b       0x0809F97E

0809F97A: 8820    ldrh    r0, [r4]
0809F97C: 04C0    lsl     r0, r0, #0x13
0809F97E: 0E82    lsr     r2, r0, #0x1A
0809F980: 1C10    add     r0, r2, #0x0
0809F982: 1C31    add     r1, r6, #0x0
0809F984: 1C3A    add     r2, r7, #0x0
0809F986: F000    bl       
0809F988: F879    bl      0x0809FA7C
0809F98A: E002    b       0x0809F992

0809F98C: 1C30    add     r0, r6, #0x0
0809F98E: F000    bl       
0809F990: F8D5    bl      0x0809FB3C
0809F992: 2080    mov     r0, #0x80
0809F994: 0040    lsl     r0, r0, #0x1
0809F996: 1836    add     r6, r6, r0
0809F998: 2D03    cmp     r5, #0x03
0809F99A: D102    bne     0x0809F9A2
0809F99C: 2180    mov     r1, #0x80
0809F99E: 00C9    lsl     r1, r1, #0x3
0809F9A0: 1876    add     r6, r6, r1
0809F9A2: 1C78    add     r0, r7, #0x1
0809F9A4: 0400    lsl     r0, r0, #0x10
0809F9A6: 0C07    lsr     r7, r0, #0x10
0809F9A8: 1C68    add     r0, r5, #0x1
0809F9AA: 0400    lsl     r0, r0, #0x10
0809F9AC: 0C05    lsr     r5, r0, #0x10
0809F9AE: 2D05    cmp     r5, #0x05
0809F9B0: D9BC    bls     0x0809F92C
0809F9B2: BC08    pop     {r3}
0809F9B4: 4698    mov     r8, r3
0809F9B6: BCF0    pop     {r4, r5, r6, r7}
0809F9B8: BC01    pop     {r0}
0809F9BA: 4700    bx      r0

$0809FB3C - ?

r0 contains a destination address for some (Graphic?) Data that is DMAed there.

0809FB3C: B5F0    push    {r4, r5, r6, r7, lr}
0809FB3E: 464F    mov     r7, r9
0809FB40: 4646    mov     r6, r8
0809FB42: B4C0    push    {r6, r7}

0809FB44: 1C04    add     r4, r0, #0x0
0809FB46: 4823    ldr     r0, =#0x087924C0
0809FB48: 2109    mov     r1, #0x09
0809FB4A: F01E    bl       
0809FB4C: FBF1    bl      0x080BE330				; Load Entry #$09 from the Data Address Table at $087924C0
0809FB4E: 1C02    add     r2, r0, #0x0				; Buffer address in r2
0809FB50: 2088    mov     r0, #0x88
0809FB52: 0140    lsl     r0, r0, #0x5				; r0 = #$00001100
0809FB54: 1812    add     r2, r2, r0				; r2 = Loaded address + #$00001100
0809FB56: 2300    mov     r3, #0x00
0809FB58: 491F    ldr     r1, =#0x040000D4
0809FB5A: 4D20    ldr     r5, =#0x80000040
0809FB5C: 46A9    mov     r9, r5
0809FB5E: 2080    mov     r0, #0x80
0809FB60: 0600    lsl     r0, r0, #0x18
0809FB62: 4680    mov     r8, r0				; Set up DMA Activation Bit AND mask in r8 = #$80000000
0809FB64: 2580    mov     r5, #0x80
0809FB66: 00ED    lsl     r5, r5, #0x3				; r5 = #$00000400
0809FB68: 46AC    mov     r12, r5

0809FB6A: 600A    str     r2, [r1]				; DMA Source Address = Loaded Data Address Table address + #$00001100 (at loop's first run)
0809FB6C: 604C    str     r4, [r1, #0x04]			; DMA Destination = Original r0
0809FB6E: 4648    mov     r0, r9
0809FB70: 6088    str     r0, [r1, #0x08]			; Activate DMA, #$40 Double Bytes
0809FB72: 6888    ldr     r0, [r1, #0x08]
0809FB74: 6888    ldr     r0, [r1, #0x08]
0809FB76: 4645    mov     r5, r8				; Load DMA Activation Bit AND mask
0809FB78: 4028    and     r0, r5
0809FB7A: 1C17    add     r7, r2, #0x0
0809FB7C: 3780    add     r7, #0x80				; Add #$40 Double Bytes to DMA Source Address
0809FB7E: 1C26    add     r6, r4, #0x0
0809FB80: 3680    add     r6, #0x80				; ADd #$40 Double Bytes to DMA Destination
0809FB82: 1C5D    add     r5, r3, #0x1				; INC and Buffer Loop coutner
0809FB84: 2800    cmp     r0, #0x00				; Check if DMA is finished
0809FB86: D005    beq     0x0809FB94

0809FB88: 2380    mov     r3, #0x80				; Loop until DMA is finished
0809FB8A: 061B    lsl     r3, r3, #0x18
0809FB8C: 6888    ldr     r0, [r1, #0x08]
0809FB8E: 4018    and     r0, r3
0809FB90: 2800    cmp     r0, #0x00
0809FB92: D1FB    bne     0x0809FB8C

0809FB94: 4663    mov     r3, r12				; r3 = r12 = #$00000400
0809FB96: 18D0    add     r0, r2, r3				; r0 = Source Address (+#$40) + #$400
0809FB98: 6008    str     r0, [r1]				; Set as DMA Source address
0809FB9A: 18E0    add     r0, r4, r3				; r4 = Source Address (+#$40) + #$400
0809FB9C: 6048    str     r0, [r1, #0x04]			; Set as DMA Destination
0809FB9E: 4648    mov     r0, r9
0809FBA0: 6088    str     r0, [r1, #0x08]			; Activate DMA, #$40 Double Bytes
0809FBA2: 6888    ldr     r0, [r1, #0x08]
0809FBA4: 1C0B    add     r3, r1, #0x0
0809FBA6: 6898    ldr     r0, [r3, #0x08]
0809FBA8: 4642    mov     r2, r8				; Load DMA Activation Bit AND mask
0809FBAA: 4010    and     r0, r2
0809FBAC: 2800    cmp     r0, #0x00
0809FBAE: D005    beq     0x0809FBBC				; Branch if DMA has finished

0809FBB0: 2280    mov     r2, #0x80
0809FBB2: 0612    lsl     r2, r2, #0x18
0809FBB4: 6898    ldr     r0, [r3, #0x08]
0809FBB6: 4010    and     r0, r2
0809FBB8: 2800    cmp     r0, #0x00
0809FBBA: D1FB    bne     0x0809FBB4				; Loop if DMA has not finished

0809FBBC: 1C3A    add     r2, r7, #0x0				; Restore DMA Source Address
0809FBBE: 1C34    add     r4, r6, #0x0				; Restore DMA Destination
0809FBC0: 0428    lsl     r0, r5, #0x10			; Load buffered Loop Counter,  AND #$0000FFFF
0809FBC2: 0C03    lsr     r3, r0, #0x10
0809FBC4: 2B01    cmp     r3, #0x01
0809FBC6: D9D0    bls     0x0809FB6A				; Loop until it reached #$02

0809FBC8: BC18    pop     {r3, r4}				; Exit
0809FBCA: 4698    mov     r8, r3
0809FBCC: 46A1    mov     r9, r4
0809FBCE: BCF0    pop     {r4, r5, r6, r7}
0809FBD0: BC01    pop     {r0}
0809FBD2: 4700    bx      r0

;0809FBD4: 24C0    mov     r4, #0xC0
;0809FBD6: 0879    lsr     r1, r7, #0x1
;0809FBD8: 00D4    lsl     r4, r2, #0x3
;0809FBDA: 0400    lsl     r0, r0, #0x10
;0809FBDC: 0040    lsl     r0, r0, #0x1
;0809FBDE: 8000    strh    r0, [r0]

$0809FBE0 - (Graphic Transfer of Unknown Data)

0809FBE0: B530    push    {r4, r5, lr}
0809FBE2: 1C01    add     r1, r0, #0x0
0809FBE4: 0409    lsl     r1, r1, #0x10
0809FBE6: 0C09    lsr     r1, r1, #0x10
0809FBE8: 4D0B    ldr     r5, =#0x0879CDC4		; Address Table address
0809FBEA: 004C    lsl     r4, r1, #0x1
0809FBEC: 0449    lsl     r1, r1, #0x11
0809FBEE: 0C09    lsr     r1, r1, #0x10
0809FBF0: 1C28    add     r0, r5, #0x0
0809FBF2: F01E    bl       
0809FBF4: FB9D    bl      0x080BE330				; Load Address Table entry
0809FBF6: 4909    ldr     r1, =#0x06000800
0809FBF8: F01F    bl       
0809FBFA: FEDC    bl      0x080BF9B4
0809FBFC: 3401    add     r4, #0x01
0809FBFE: 0424    lsl     r4, r4, #0x10
0809FC00: 0C24    lsr     r4, r4, #0x10
0809FC02: 1C28    add     r0, r5, #0x0
0809FC04: 1C21    add     r1, r4, #0x0
0809FC06: F01E    bl       
0809FC08: FB93    bl      0x080BE330				; Load Address Table entry
0809FC0A: 2103    mov     r1, #0x03
0809FC0C: 2220    mov     r2, #0x20
0809FC0E: F01E    bl       
0809FC10: F88B    bl      0x080BDD28
0809FC12: BC30    pop     {r4, r5}
0809FC14: BC01    pop     {r0}
0809FC16: 4700    bx      r0

;0809FC18: CDC4    ldmia   r5!, {r2, r6, r7}
;0809FC1A: 0879    lsr     r1, r7, #0x1
;0809FC1C: 0800    lsr     r0, r0, #0x0
;0809FC1E: 0600    lsl     r0, r0, #0x18

$0809FC9C - (VRAM Transfer of unknown data)

This is one DMA with fixed data that get transfered to VRAM.

0809FC9C: 4908    ldr     r1, =#0x040000D4
0809FC9E: 4809    ldr     r0, =#0x08628E2C
0809FCA0: 6008    str     r0, [r1]
0809FCA2: 4809    ldr     r0, =#0x06011800
0809FCA4: 6048    str     r0, [r1, #0x04]
0809FCA6: 4809    ldr     r0, =#0x80000200
0809FCA8: 6088    str     r0, [r1, #0x08]
0809FCAA: 6888    ldr     r0, [r1, #0x08]
0809FCAC: 6888    ldr     r0, [r1, #0x08]
0809FCAE: 2280    mov     r2, #0x80
0809FCB0: 0612    lsl     r2, r2, #0x18
0809FCB2: 2800    cmp     r0, #0x00
0809FCB4: DA03    bge     0x0809FCBE
0809FCB6: 6888    ldr     r0, [r1, #0x08]
0809FCB8: 4010    and     r0, r2
0809FCBA: 2800    cmp     r0, #0x00
0809FCBC: D1FB    bne     0x0809FCB6
0809FCBE: 4770    bx      lr

;0809FCC0: 00D4    lsl     r4, r2, #0x3
;0809FCC2: 0400    lsl     r0, r0, #0x10
;0809FCC4: 8E2C    ldrh    r4, [r5, #0x30]
;0809FCC6: 0862    lsr     r2, r4, #0x1
;0809FCC8: 1800    add     r0, r0, r0
;0809FCCA: 0601    lsl     r1, r0, #0x18
;0809FCCC: 0200    lsl     r0, r0, #0x8
;0809FCCE: 8000    strh    r0, [r0]

$0809FCD0 - ?

r0 contains a byte-sized value

0809FCD0: B5F0    push    {r4, r5, r6, r7, lr}
0809FCD2: 464F    mov     r7, r9
0809FCD4: 4646    mov     r6, r8
0809FCD6: B4C0    push    {r6, r7}
0809FCD8: B081    add     sp, #-0x004			; Add new Stack entry

0809FCDA: 4669    mov     r1, sp
0809FCDC: 7008    strb    r0, [r1]				; Store r0 on stack
0809FCDE: 4D38    ldr     r5, =#0x087A322C
0809FCE0: 1C28    add     r0, r5, #0x0
0809FCE2: 2106    mov     r1, #0x06
0809FCE4: F01E    bl       
0809FCE6: FB24    bl      0x080BE330				; Load Address Table entry
0809FCE8: 1C04    add     r4, r0, #0x0			; Store loaded Address in r4
0809FCEA: 2280    mov     r2, #0x80
0809FCEC: 0092    lsl     r2, r2, #0x2
0809FCEE: 2100    mov     r1, #0x00
0809FCF0: F01E    bl       
0809FCF2: F81A    bl      0x080BDD28				; Transfer to Tilemap Buffer?
0809FCF4: 46A0    mov     r8, r4				; r8 = Loaded address
0809FCF6: 4B33    ldr     r3, =#0x02032700
0809FCF8: 6859    ldr     r1, [r3, #0x04]			; (Load address of the Tilemap Buffer?)
0809FCFA: 7822    ldrb    r2, [r4]				; Load the first byte of the Address
0809FCFC: 241F    mov     r4, #0x1F
0809FCFE: 1C20    add     r0, r4, #0x0
0809FD00: 4010    and     r0, r2
0809FD02: 4A31    ldr     r2, =#0x00001F08
0809FD04: 1889    add     r1, r1, r2
0809FD06: 780A    ldrb    r2, [r1]
0809FD08: 7008    strb    r0, [r1]
0809FD0A: 6859    ldr     r1, [r3, #0x04]
0809FD0C: 4642    mov     r2, r8
0809FD0E: 8810    ldrh    r0, [r2]
0809FD10: 0940    lsr     r0, r0, #0x5
0809FD12: 4020    and     r0, r4
0809FD14: 4A2D    ldr     r2, =#0x00001F09
0809FD16: 1889    add     r1, r1, r2
0809FD18: 780A    ldrb    r2, [r1]
0809FD1A: 7008    strb    r0, [r1]
0809FD1C: 6859    ldr     r1, [r3, #0x04]
0809FD1E: 4642    mov     r2, r8
0809FD20: 8810    ldrh    r0, [r2]
0809FD22: 0A80    lsr     r0, r0, #0xA
0809FD24: 4020    and     r0, r4
0809FD26: 4A2A    ldr     r2, =#0x00001F0A
0809FD28: 1889    add     r1, r1, r2
0809FD2A: 780A    ldrb    r2, [r1]
0809FD2C: 7008    strb    r0, [r1]
0809FD2E: 1C28    add     r0, r5, #0x0
0809FD30: 2104    mov     r1, #0x04
0809FD32: F01E    bl       
0809FD34: FAFD    bl      0x080BE330
0809FD36: 1C01    add     r1, r0, #0x0
0809FD38: 4F26    ldr     r7, =#0x06010800
0809FD3A: 2600    mov     r6, #0x00
0809FD3C: 4B26    ldr     r3, =#0x040000D4
0809FD3E: 46A9    mov     r9, r5
0809FD40: 4826    ldr     r0, =#0x80000040
0809FD42: 4684    mov     r12, r0
0809FD44: 6019    str     r1, [r3]
0809FD46: 605F    str     r7, [r3, #0x04]
0809FD48: 4662    mov     r2, r12
0809FD4A: 609A    str     r2, [r3, #0x08]
0809FD4C: 6898    ldr     r0, [r3, #0x08]
0809FD4E: 6898    ldr     r0, [r3, #0x08]
0809FD50: 2280    mov     r2, #0x80
0809FD52: 0612    lsl     r2, r2, #0x18
0809FD54: 1C0C    add     r4, r1, #0x0
0809FD56: 3480    add     r4, #0x80
0809FD58: 1C75    add     r5, r6, #0x1
0809FD5A: 2800    cmp     r0, #0x00
0809FD5C: DA04    bge     0x0809FD68
0809FD5E: 1C11    add     r1, r2, #0x0
0809FD60: 6898    ldr     r0, [r3, #0x08]
0809FD62: 4008    and     r0, r1
0809FD64: 2800    cmp     r0, #0x00
0809FD66: D1FB    bne     0x0809FD60
0809FD68: 1C21    add     r1, r4, #0x0
0809FD6A: 2080    mov     r0, #0x80
0809FD6C: 00C0    lsl     r0, r0, #0x3
0809FD6E: 183F    add     r7, r7, r0
0809FD70: 0428    lsl     r0, r5, #0x10
0809FD72: 0C06    lsr     r6, r0, #0x10
0809FD74: 2E03    cmp     r6, #0x03
0809FD76: D9E5    bls     0x0809FD44
0809FD78: 4648    mov     r0, r9
0809FD7A: 2105    mov     r1, #0x05
0809FD7C: F01E    bl       
0809FD7E: FAD8    bl      0x080BE330
0809FD80: 1C04    add     r4, r0, #0x0
0809FD82: 211C    mov     r1, #0x1C
0809FD84: 2220    mov     r2, #0x20
0809FD86: F01D    bl       
0809FD88: FFCF    bl      0x080BDD28
0809FD8A: 4668    mov     r0, sp
0809FD8C: 7800    ldrb    r0, [r0]
0809FD8E: 2800    cmp     r0, #0x00
0809FD90: D028    beq     0x0809FDE4
0809FD92: 4648    mov     r0, r9
0809FD94: 2107    mov     r1, #0x07
0809FD96: F01E    bl       
0809FD98: FACB    bl      0x080BE330
0809FD9A: 1C01    add     r1, r0, #0x0
0809FD9C: 4F10    ldr     r7, =#0x06004000
0809FD9E: 1C39    add     r1, r7, #0x0
0809FDA0: F01F    bl       
0809FDA2: FE08    bl      0x080BF9B4
0809FDA4: 4648    mov     r0, r9
0809FDA6: 2108    mov     r1, #0x08
0809FDA8: F01E    bl       
0809FDAA: FAC2    bl      0x080BE330
0809FDAC: 1C01    add     r1, r0, #0x0
0809FDAE: 2083    mov     r0, #0x83
0809FDB0: 0180    lsl     r0, r0, #0x6
0809FDB2: 183F    add     r7, r7, r0
0809FDB4: 1C08    add     r0, r1, #0x0
0809FDB6: 1C39    add     r1, r7, #0x0
0809FDB8: F01F    bl       
0809FDBA: FDFC    bl      0x080BF9B4
0809FDBC: E017    b       0x0809FDEE

;0809FDBE: 0000    lsl     r0, r0, #0x0
;0809FDC0: 322C    add     r2, #0x2C
;0809FDC2: 087A    lsr     r2, r7, #0x1
;0809FDC4: 2700    mov     r7, #0x00
;0809FDC6: 0203    lsl     r3, r0, #0x8
;0809FDC8: 1F08    sub     r0, r1, #0x4
;0809FDCA: 0000    lsl     r0, r0, #0x0
;0809FDCC: 1F09    sub     r1, r1, #0x4
;0809FDCE: 0000    lsl     r0, r0, #0x0
;0809FDD0: 1F0A    sub     r2, r1, #0x4
;0809FDD2: 0000    lsl     r0, r0, #0x0
;0809FDD4: 0800    lsr     r0, r0, #0x0
;0809FDD6: 0601    lsl     r1, r0, #0x18
;0809FDD8: 00D4    lsl     r4, r2, #0x3
;0809FDDA: 0400    lsl     r0, r0, #0x10
;0809FDDC: 0040    lsl     r0, r0, #0x1
;0809FDDE: 8000    strh    r0, [r0]
;0809FDE0: 4000    and     r0, r0
;0809FDE2: 0600    lsl     r0, r0, #0x18

0809FDE4: 21A0    mov     r1, #0xA0
0809FDE6: 04C9    lsl     r1, r1, #0x13
0809FDE8: 4642    mov     r2, r8
0809FDEA: 8810    ldrh    r0, [r2]
0809FDEC: 8008    strh    r0, [r1]
0809FDEE: 4811    ldr     r0, =#0x080C43F4
0809FDF0: 2280    mov     r2, #0x80
0809FDF2: 0052    lsl     r2, r2, #0x1
0809FDF4: 2102    mov     r1, #0x02
0809FDF6: F000    bl       
0809FDF8: FA29    bl      0x080A024C
0809FDFA: 480F    ldr     r0, =#0x080C464C
0809FDFC: 4A0F    ldr     r2, =#0x00000183
0809FDFE: 2103    mov     r1, #0x03
0809FE00: F000    bl       
0809FE02: FA24    bl      0x080A024C
0809FE04: 4A0E    ldr     r2, =#0x02032700
0809FE06: 6850    ldr     r0, [r2, #0x04]
0809FE08: 490E    ldr     r1, =#0x00001F02
0809FE0A: 1840    add     r0, r0, r1
0809FE0C: 7801    ldrb    r1, [r0]
0809FE0E: 2101    mov     r1, #0x01
0809FE10: 7001    strb    r1, [r0]
0809FE12: 6850    ldr     r0, [r2, #0x04]
0809FE14: 4A0C    ldr     r2, =#0x00001F03
0809FE16: 1880    add     r0, r0, r2
0809FE18: 7802    ldrb    r2, [r0]
0809FE1A: 7001    strb    r1, [r0]
0809FE1C: 480B    ldr     r0, =#0x080C2A58
0809FE1E: 211F    mov     r1, #0x1F
0809FE20: 2220    mov     r2, #0x20
0809FE22: F01D    bl       
0809FE24: FF81    bl      0x080BDD28
0809FE26: B001    add     sp, #0x004
0809FE28: BC18    pop     {r3, r4}
0809FE2A: 4698    mov     r8, r3
0809FE2C: 46A1    mov     r9, r4
0809FE2E: BCF0    pop     {r4, r5, r6, r7}
0809FE30: BC01    pop     {r0}
0809FE32: 4700    bx      r0

;0809FE34: 43F4    mvn     r4, r6
;0809FE36: 080C    lsr     r4, r1, #0x0
;0809FE38: 464C    mov     r4, r9
;0809FE3A: 080C    lsr     r4, r1, #0x0
;0809FE3C: 0183    lsl     r3, r0, #0x6
;0809FE3E: 0000    lsl     r0, r0, #0x0
;0809FE40: 2700    mov     r7, #0x00
;0809FE42: 0203    lsl     r3, r0, #0x8
;0809FE44: 1F02    sub     r2, r0, #0x4
;0809FE46: 0000    lsl     r0, r0, #0x0
;0809FE48: 1F03    sub     r3, r0, #0x4
;0809FE4A: 0000    lsl     r0, r0, #0x0
;0809FE4C: 2A58    cmp     r2, #0x58
;0809FE4E: 080C    lsr     r4, r1, #0x0

$0809FE50 - Transfer of Alphabet Button Graphics (Name Screen)

This transfers the graphics for the Alphabet Buttons on the Name Screen. These are Buttons to switch between Latin Alphabet, Katakana and Hiragana.

0809FE50: B530    push    {r4, r5, lr}
0809FE52: 4821    ldr     r0, =#0x087A322C
0809FE54: 2100    mov     r1, #0x00
0809FE56: F01E    bl       
0809FE58: FA6B    bl      0x080BE330				; Load Address Table entry
0809FE5A: 4920    ldr     r1, =#0x040000D4
0809FE5C: 6008    str     r0, [r1]				; $040000D4 = #$087A3258
0809FE5E: 4820    ldr     r0, =#0x06011800			; DMA to VRAM
0809FE60: 6048    str     r0, [r1, #0x04]
0809FE62: 4820    ldr     r0, =#0x80000400
0809FE64: 6088    str     r0, [r1, #0x08]
0809FE66: 6888    ldr     r0, [r1, #0x08]
0809FE68: 6888    ldr     r0, [r1, #0x08]
0809FE6A: 2280    mov     r2, #0x80
0809FE6C: 0612    lsl     r2, r2, #0x18
0809FE6E: 2800    cmp     r0, #0x00
0809FE70: DA03    bge     0x0809FE7A
0809FE72: 6888    ldr     r0, [r1, #0x08]
0809FE74: 4010    and     r0, r2
0809FE76: 2800    cmp     r0, #0x00
0809FE78: D1FB    bne     0x0809FE72
0809FE7A: 4C17    ldr     r4, =#0x087A322C
0809FE7C: 1C20    add     r0, r4, #0x0
0809FE7E: 2101    mov     r1, #0x01
0809FE80: F01E    bl       
0809FE82: FA56    bl      0x080BE330				; Load Address Table entry
0809FE84: 1C05    add     r5, r0, #0x0
0809FE86: 211A    mov     r1, #0x1A
0809FE88: 2220    mov     r2, #0x20
0809FE8A: F01D    bl       
0809FE8C: FF4D    bl      0x080BDD28				; DMA to Tilemap Buffer?
0809FE8E: 1C28    add     r0, r5, #0x0
0809FE90: 211B    mov     r1, #0x1B
0809FE92: 2220    mov     r2, #0x20
0809FE94: F01D    bl       
0809FE96: FF48    bl      0x080BDD28				; DMA to Tilemap Buffer?
0809FE98: 1C20    add     r0, r4, #0x0
0809FE9A: 2102    mov     r1, #0x02
0809FE9C: F01E    bl       
0809FE9E: FA48    bl      0x080BE330				; Load Address Table entry
0809FEA0: 490E    ldr     r1, =#0x040000D4
0809FEA2: 6008    str     r0, [r1]
0809FEA4: 4810    ldr     r0, =#0x06010380
0809FEA6: 6048    str     r0, [r1, #0x04]
0809FEA8: 4810    ldr     r0, =#0x80000040
0809FEAA: 6088    str     r0, [r1, #0x08]
0809FEAC: 6888    ldr     r0, [r1, #0x08]
0809FEAE: 6888    ldr     r0, [r1, #0x08]
0809FEB0: 2280    mov     r2, #0x80
0809FEB2: 0612    lsl     r2, r2, #0x18
0809FEB4: 2800    cmp     r0, #0x00
0809FEB6: DA03    bge     0x0809FEC0
0809FEB8: 6888    ldr     r0, [r1, #0x08]
0809FEBA: 4010    and     r0, r2
0809FEBC: 2800    cmp     r0, #0x00
0809FEBE: D1FB    bne     0x0809FEB8
0809FEC0: 4805    ldr     r0, =#0x087A322C
0809FEC2: 2103    mov     r1, #0x03
0809FEC4: F01E    bl       
0809FEC6: FA34    bl      0x080BE330				; Load Address Table entry
0809FEC8: 1C05    add     r5, r0, #0x0
0809FECA: 211D    mov     r1, #0x1D
0809FECC: 2220    mov     r2, #0x20
0809FECE: F01D    bl       
0809FED0: FF2B    bl      0x080BDD28				; DMA to Tilemap Buffer?
0809FED2: BC30    pop     {r4, r5}
0809FED4: BC01    pop     {r0}
0809FED6: 4700    bx      r0

;0809FED8: 322C    add     r2, #0x2C
;0809FEDA: 087A    lsr     r2, r7, #0x1
;0809FEDC: 00D4    lsl     r4, r2, #0x3
;0809FEDE: 0400    lsl     r0, r0, #0x10
;0809FEE0: 1800    add     r0, r0, r0
;0809FEE2: 0601    lsl     r1, r0, #0x18
;0809FEE4: 0400    lsl     r0, r0, #0x10
;0809FEE6: 8000    strh    r0, [r0]
;0809FEE8: 0380    lsl     r0, r0, #0xE
;0809FEEA: 0601    lsl     r1, r0, #0x18
;0809FEEC: 0040    lsl     r0, r0, #0x1
;0809FEEE: 8000    strh    r0, [r0]

$0809FEF0 - (Optional VRAM DMA?)

r0 contains an address

0809FEF0: B500    push    {lr}
0809FEF2: 1C03    add     r3, r0, #0x0			; Buffer Original r0
0809FEF4: 3036    add     r0, #0x36			; r0 = r0 + #$36
0809FEF6: 7800    ldrb    r0, [r0]			; Load Byte there
0809FEF8: 2800    cmp     r0, #0x00			; If it is empty, leave this DMA out
0809FEFA: D00F    beq     0x0809FF1C

0809FEFC: 490B    ldr     r1, =#0x040000D4
0809FEFE: 6818    ldr     r0, [r3]			; DMA Source address = Original r0
0809FF00: 6008    str     r0, [r1]
0809FF02: 480B    ldr     r0, =#0x06011800
0809FF04: 6048    str     r0, [r1, #0x04]		; Destination: VRAM
0809FF06: 8E98    ldrh    r0, [r3, #0x34]		; Original r0 + #$34 contains the number of bytes to transfer (Double byte sized)
0809FF08: 0840    lsr     r0, r0, #0x1			; div 2 (Now: Number of double bytes to transfer)
0809FF0A: 2280    mov     r2, #0x80
0809FF0C: 0612    lsl     r2, r2, #0x18			; DMA activation Bit
0809FF0E: 4310    orr     r0, r2			; Add Act. Bit to No. of Double Bytes to transfer
0809FF10: 6088    str     r0, [r1, #0x08]
0809FF12: 6888    ldr     r0, [r1, #0x08]
0809FF14: 6888    ldr     r0, [r1, #0x08]
0809FF16: 4010    and     r0, r2
0809FF18: 2800    cmp     r0, #0x00
0809FF1A: D1FB    bne     0x0809FF14			; Loop until DMA is done

0809FF1C: 69D8    ldr     r0, [r3, #0x1C]
0809FF1E: 2110    mov     r1, #0x10
0809FF20: 2220    mov     r2, #0x20
0809FF22: F01D    bl       
0809FF24: FF01    bl      0x080BDD28
0809FF26: BC01    pop     {r0}
0809FF28: 4700    bx      r0

;0809FF2A: 0000    lsl     r0, r0, #0x0
;0809FF2C: 00D4    lsl     r4, r2, #0x3
;0809FF2E: 0400    lsl     r0, r0, #0x10
;0809FF30: 1800    add     r0, r0, r0
;0809FF32: 0601    lsl     r1, r0, #0x18

$0809FF34 - ?

r0 contains the number of an Data Address Table *2

r1 contains an entry number for the Jump Table in this subroutine

0809FF34: B5F0    push    {r4, r5, r6, r7, lr}
0809FF36: 4657    mov     r7, r10
0809FF38: 464E    mov     r6, r9
0809FF3A: 4645    mov     r5, r8
0809FF3C: B4E0    push    {r5, r6, r7}
0809FF3E: B081    add     sp, #-0x004			; Add another 4 Bytes to Stack
0809FF40: 4699    mov     r9, r3
0809FF42: 9B09    ldr     r3, [sp, #0x024]		; ?
0809FF44: 0400    lsl     r0, r0, #0x10
0809FF46: 0C06    lsr     r6, r0, #0x10		; r6 = r0 AND #$0000FFFF
0809FF48: 0409    lsl     r1, r1, #0x10
0809FF4A: 0C09    lsr     r1, r1, #0x10		; r1 AND #$0000FFFF
0809FF4C: 4688    mov     r8, r1			; r8 = r1
0809FF4E: 0412    lsl     r2, r2, #0x10
0809FF50: 0C15    lsr     r5, r2, #0x10		; r5 = r2 AND #$0000FFFF
0809FF52: 041B    lsl     r3, r3, #0x10
0809FF54: 0C1B    lsr     r3, r3, #0x10		; r3 AND #$0000FFFF
0809FF56: 469A    mov     r10, r3			; r10 = r3
0809FF58: 4806    ldr     r0, =#0x087A715C		; Data Address Table address
0809FF5A: 0471    lsl     r1, r6, #0x11
0809FF5C: 0C09    lsr     r1, r1, #0x10		; r1 = Original r0 * 2 - Entry Number for the Data Address Table
0809FF5E: F01E    bl       
0809FF60: F9E7    bl      0x080BE330			; Load address from address table
0809FF62: 1C04    add     r4, r0, #0x0			; Store loaded address in r4
0809FF64: 4640    mov     r0, r8			; Load Jump Table Entry number
0809FF66: 2805    cmp     r0, #0x05
0809FF68: D835    bhi     0x0809FFD6			; Leave Jump Table stuff out if Jump Table entry number is invalid (too high)
0809FF6A: 0080    lsl     r0, r0, #0x2			; Jump to Jump Table Entry
0809FF6C: 4902    ldr     r1, =#0x0809FF7C
0809FF6E: 1840    add     r0, r0, r1
0809FF70: 6800    ldr     r0, [r0]
0809FF72: 4687    mov     pc, r0

;0809FF74: 715C    strb    r4, [r3, #0x05]
;0809FF76: 087A    lsr     r2, r7, #0x1
;0809FF78: FF7C    bl      0x0811AE72
;0809FF7A: 0809    lsr     r1, r1, #0x0

; JUMP TABLE
; entry 00: $0809FFB4
; entry 01: $0809FF94
; entry 02: $0809FFA0
; entry 03: $0809FFAE
; entry 04: $0809FFBC
; entry 05: $0809FFC8

;0809FF7C: FFB4    bl      0x080A9EE6
;0809FF7E: 0809    lsr     r1, r1, #0x0
;0809FF80: FF94    bl      0x080A9EAA
;0809FF82: 0809    lsr     r1, r1, #0x0
;0809FF84: FFA0    bl      0x080A9EC6
;0809FF86: 0809    lsr     r1, r1, #0x0
;0809FF88: FFAE    bl      0x080A9EE6
;0809FF8A: 0809    lsr     r1, r1, #0x0
;0809FF8C: FFBC    bl      0x080A9F06
;0809FF8E: 0809    lsr     r1, r1, #0x0
;0809FF90: FFC8    bl      0x080A9F22
;0809FF92: 0809    lsr     r1, r1, #0x0

; entry 01: $0809FF94
0809FF94: 2280    mov     r2, #0x80
0809FF96: 0052    lsl     r2, r2, #0x1
0809FF98: 18A4    add     r4, r4, r2
0809FF9A: 2703    mov     r7, #0x03
0809FF9C: 2002    mov     r0, #0x02
0809FF9E: E01C    b       0x0809FFDA

; entry 02: $0809FFA0
0809FFA0: 21C0    mov     r1, #0xC0
0809FFA2: 0109    lsl     r1, r1, #0x4
0809FFA4: 1864    add     r4, r4, r1
0809FFA6: 2704    mov     r7, #0x04
0809FFA8: 2202    mov     r2, #0x02
0809FFAA: 9200    str     r2, [sp]
0809FFAC: E016    b       0x0809FFDC

; entry 03: $0809FFAE
0809FFAE: 2080    mov     r0, #0x80
0809FFB0: 0080    lsl     r0, r0, #0x2
0809FFB2: 1824    add     r4, r4, r0

; entry 00: $0809FFB4
0809FFB4: 2703    mov     r7, #0x03
0809FFB6: 2102    mov     r1, #0x02
0809FFB8: 9100    str     r1, [sp]
0809FFBA: E00F    b       0x0809FFDC

; entry 04: $0809FFBC
0809FFBC: 22E0    mov     r2, #0xE0
0809FFBE: 0152    lsl     r2, r2, #0x5
0809FFC0: 18A4    add     r4, r4, r2
0809FFC2: 2704    mov     r7, #0x04
0809FFC4: 2004    mov     r0, #0x04
0809FFC6: E008    b       0x0809FFDA

; entry 05: $0809FFC8
0809FFC8: 21C0    mov     r1, #0xC0
0809FFCA: 0089    lsl     r1, r1, #0x2
0809FFCC: 1864    add     r4, r4, r1
0809FFCE: 2704    mov     r7, #0x04
0809FFD0: 2204    mov     r2, #0x04
0809FFD2: 9200    str     r2, [sp]
0809FFD4: E002    b       0x0809FFDC

0809FFD6: 2700    mov     r7, #0x00
0809FFD8: 2000    mov     r0, #0x00
0809FFDA: 9000    str     r0, [sp]
							; Jump Table Leave-Out gets back in here
0809FFDC: 0168    lsl     r0, r5, #0x5
0809FFDE: 9900    ldr     r1, [sp]
0809FFE0: 4348    mul     r0, r1
0809FFE2: 1824    add     r4, r4, r0
0809FFE4: 4642    mov     r2, r8
0809FFE6: 2A04    cmp     r2, #0x04
0809FFE8: D104    bne     0x0809FFF4
0809FFEA: 2D07    cmp     r5, #0x07
0809FFEC: D902    bls     0x0809FFF4
0809FFEE: 20A0    mov     r0, #0xA0
0809FFF0: 0140    lsl     r0, r0, #0x5
0809FFF2: 1824    add     r4, r4, r0
0809FFF4: 2200    mov     r2, #0x00
0809FFF6: 0076    lsl     r6, r6, #0x1
0809FFF8: 46B4    mov     r12, r6
0809FFFA: 2110    mov     r1, #0x10
0809FFFC: 448A    add     r10, r1
0809FFFE: 42BA    cmp     r2, r7
080A0000: D21B    bcs     0x080A003A
080A0002: 4B23    ldr     r3, =#0x040000D4
080A0004: 9800    ldr     r0, [sp]
080A0006: 0105    lsl     r5, r0, #0x4
080A0008: 2680    mov     r6, #0x80
080A000A: 0636    lsl     r6, r6, #0x18
080A000C: 4335    orr     r5, r6
080A000E: 0291    lsl     r1, r2, #0xA
080A0010: 1860    add     r0, r4, r1
080A0012: 6018    str     r0, [r3]
080A0014: 4449    add     r1, r9
080A0016: 6059    str     r1, [r3, #0x04]
080A0018: 609D    str     r5, [r3, #0x08]
080A001A: 6898    ldr     r0, [r3, #0x08]
080A001C: 6898    ldr     r0, [r3, #0x08]
080A001E: 4030    and     r0, r6
080A0020: 1C51    add     r1, r2, #0x1
080A0022: 2800    cmp     r0, #0x00
080A0024: D005    beq     0x080A0032
080A0026: 2280    mov     r2, #0x80
080A0028: 0612    lsl     r2, r2, #0x18
080A002A: 6898    ldr     r0, [r3, #0x08]
080A002C: 4010    and     r0, r2
080A002E: 2800    cmp     r0, #0x00
080A0030: D1FB    bne     0x080A002A
080A0032: 0408    lsl     r0, r1, #0x10
080A0034: 0C02    lsr     r2, r0, #0x10
080A0036: 42BA    cmp     r2, r7
080A0038: D3E9    bcc     0x080A000E
080A003A: 4641    mov     r1, r8
080A003C: 2904    cmp     r1, #0x04
080A003E: D111    bne     0x080A0064
080A0040: 4913    ldr     r1, =#0x040000D4
080A0042: 02B8    lsl     r0, r7, #0xA
080A0044: 1820    add     r0, r4, r0
080A0046: 6008    str     r0, [r1]
080A0048: 9A00    ldr     r2, [sp]
080A004A: 0150    lsl     r0, r2, #0x5
080A004C: 4448    add     r0, r9
080A004E: 6048    str     r0, [r1, #0x04]
080A0050: 0110    lsl     r0, r2, #0x4
080A0052: 2280    mov     r2, #0x80
080A0054: 0612    lsl     r2, r2, #0x18
080A0056: 4310    orr     r0, r2
080A0058: 6088    str     r0, [r1, #0x08]
080A005A: 6888    ldr     r0, [r1, #0x08]
080A005C: 6888    ldr     r0, [r1, #0x08]
080A005E: 4010    and     r0, r2
080A0060: 2800    cmp     r0, #0x00
080A0062: D1FB    bne     0x080A005C
080A0064: 4661    mov     r1, r12
080A0066: 3101    add     r1, #0x01
080A0068: 0409    lsl     r1, r1, #0x10
080A006A: 0C09    lsr     r1, r1, #0x10
080A006C: 4809    ldr     r0, =#0x087A715C
080A006E: F01E    bl       
080A0070: F95F    bl      0x080BE330
080A0072: 4652    mov     r2, r10
080A0074: 0411    lsl     r1, r2, #0x10
080A0076: 0C09    lsr     r1, r1, #0x10
080A0078: 2220    mov     r2, #0x20
080A007A: F01D    bl       
080A007C: FE55    bl      0x080BDD28
080A007E: B001    add     sp, #0x004
080A0080: BC38    pop     {r3, r4, r5}
080A0082: 4698    mov     r8, r3
080A0084: 46A1    mov     r9, r4
080A0086: 46AA    mov     r10, r5
080A0088: BCF0    pop     {r4, r5, r6, r7}
080A008A: BC01    pop     {r0}
080A008C: 4700    bx      r0

;080A008E: 0000    lsl     r0, r0, #0x0
;080A0090: 00D4    lsl     r4, r2, #0x3
;080A0092: 0400    lsl     r0, r0, #0x10
;080A0094: 715C    strb    r4, [r3, #0x05]
;080A0096: 087A    lsr     r2, r7, #0x1

$080A0098 - ?

080A0098: B5F0    push    {r4, r5, r6, r7, lr}

080A009A: 4E1C    ldr     r6, =#0x06013800
080A009C: 2500    mov     r5, #0x00
080A009E: 481C    ldr     r0, =#0x02032700
080A00A0: 491C    ldr     r1, =#0x0000943E
080A00A2: 1840    add     r0, r0, r1
080A00A4: 8801    ldrh    r1, [r0]
080A00A6: 428D    cmp     r5, r1
080A00A8: D227    bcs     0x080A00FA
080A00AA: 1C07    add     r7, r0, #0x0
080A00AC: 1C28    add     r0, r5, #0x0
080A00AE: F01D    bl       
080A00B0: F937    bl      0x080BD320
080A00B2: 1C04    add     r4, r0, #0x0
080A00B4: 88E2    ldrh    r2, [r4, #0x06]
080A00B6: 09D2    lsr     r2, r2, #0x7
080A00B8: 7A21    ldrb    r1, [r4, #0x08]
080A00BA: 201F    mov     r0, #0x1F
080A00BC: 4001    and     r1, r0
080A00BE: 0249    lsl     r1, r1, #0x9
080A00C0: 4311    orr     r1, r2
080A00C2: 68A2    ldr     r2, [r4, #0x08]
080A00C4: 0352    lsl     r2, r2, #0xD
080A00C6: 0C92    lsr     r2, r2, #0x12
080A00C8: 1C30    add     r0, r6, #0x0
080A00CA: F000    bl       
080A00CC: F827    bl      0x080A011C
080A00CE: 2180    mov     r1, #0x80
080A00D0: 00C9    lsl     r1, r1, #0x3
080A00D2: 1870    add     r0, r6, r1
080A00D4: 8963    ldrh    r3, [r4, #0x0A]
080A00D6: 08DB    lsr     r3, r3, #0x3
080A00D8: 7B21    ldrb    r1, [r4, #0x0C]
080A00DA: 2201    mov     r2, #0x01
080A00DC: 4011    and     r1, r2
080A00DE: 0349    lsl     r1, r1, #0xD
080A00E0: 4319    orr     r1, r3
080A00E2: 89A2    ldrh    r2, [r4, #0x0C]
080A00E4: 0452    lsl     r2, r2, #0x11
080A00E6: 0C92    lsr     r2, r2, #0x12
080A00E8: F000    bl       
080A00EA: F818    bl      0x080A011C
080A00EC: 3680    add     r6, #0x80
080A00EE: 1C68    add     r0, r5, #0x1
080A00F0: 0400    lsl     r0, r0, #0x10
080A00F2: 0C05    lsr     r5, r0, #0x10
080A00F4: 8838    ldrh    r0, [r7]
080A00F6: 4285    cmp     r5, r0
080A00F8: D3D8    bcc     0x080A00AC
080A00FA: 4807    ldr     r0, =#0x0861440C
080A00FC: 2116    mov     r1, #0x16
080A00FE: 2220    mov     r2, #0x20
080A0100: F01D    bl       
080A0102: FE12    bl      0x080BDD28

080A0104: BCF0    pop     {r4, r5, r6, r7}
080A0106: BC01    pop     {r0}
080A0108: 4700    bx      r0

;080A010A: 0000    lsl     r0, r0, #0x0
;080A010C: 3800    sub     r0, #0x00
;080A010E: 0601    lsl     r1, r0, #0x18
;080A0110: 2700    mov     r7, #0x00
;080A0112: 0203    lsl     r3, r0, #0x8
;080A0114: 943E    str     r4, [sp, #0x0F8]
;080A0116: 0000    lsl     r0, r0, #0x0
;080A0118: 440C    add     r4, r1
;080A011A: 0861    lsr     r1, r4, #0x1

$080A05E4 - ?

This is executed when the game has broken save data

080A05E4: B500    push    {lr}
080A05E6: 490E    ldr     r1, =#0x02032700
080A05E8: 480E    ldr     r0, =#0x00003ACC
080A05EA: 180A    add     r2, r1, r0			; r2 = #$020361CC
080A05EC: 6810    ldr     r0, [r2]
080A05EE: 3001    add     r0, #0x01			; Increment $020361CC
080A05F0: 6010    str     r0, [r2]			; (value in testing: #$02B9)
080A05F2: 480D    ldr     r0, =#0x00003AD0
080A05F4: 180A    add     r2, r1, r0			; r2 = #$020361D0
080A05F6: 6810    ldr     r0, [r2]
080A05F8: 3001    add     r0, #0x01			; Increment $020361D0
080A05FA: 6010    str     r0, [r2]			; (value in testing: #$02B9)
080A05FC: 480B    ldr     r0, =#0x00009448
080A05FE: 1809    add     r1, r1, r0			; r1 = #$0203BB48
080A0600: 7808    ldrb    r0, [r1]			; (value in testing: #$03)
080A0602: 2806    cmp     r0, #0x06
080A0604: DC03    bgt     0x080A060E			; Branch greater than #$06
080A0606: 2805    cmp     r0, #0x05
080A0608: DB01    blt     0x080A060E			; Branch less than #$05

080A060A: F000    bl       
080A060C: F811    bl      0x080A0630

080A060E: F000    bl       
080A0610: F8DB    bl      0x080A07C8
080A0612: 4903    ldr     r1, =#0x02032700
080A0614: 6808    ldr     r0, [r1]
080A0616: 6849    ldr     r1, [r1, #0x04]
080A0618: F000    bl       
080A061A: F81C    bl      0x080A0654

080A061C: BC01    pop     {r0}
080A061E: 4700    bx      r0

;080A0620: 2700    mov     r7, #0x00
;080A0622: 0203    lsl     r3, r0, #0x8
;080A0624: 3ACC    sub     r2, #0xCC
;080A0626: 0000    lsl     r0, r0, #0x0
;080A0628: 3AD0    sub     r2, #0xD0
;080A062A: 0000    lsl     r0, r0, #0x0
;080A062C: 9448    str     r4, [sp, #0x120]
;080A062E: 0000    lsl     r0, r0, #0x0

$080A0630 - (Upcounting/Resetting $0203BB5C)

Loads $0203BB5C, if it is > #$0CDFE5C3, $0203BB5C gets set to #$0CDEFE588, if not, the value gets incremented and sotred back.

080A0630: 4A03    ldr     r2, =#0x0203BB5C
080A0632: 6811    ldr     r1, [r2]
080A0634: 4803    ldr     r0, =#0x0CDFE5C3
080A0636: 4281    cmp     r1, r0
080A0638: D806    bhi     0x080A0648

080A063A: 1C48    add     r0, r1, #0x1
080A063C: E005    b       0x080A064A

;080A063E: 0000    lsl     r0, r0, #0x0
;080A0640: BB5C    pop     {r2, r3, r4, r6, pc}
;080A0642: 0203    lsl     r3, r0, #0x8
;080A0644: E5C3    b       0x080A01CE
;080A0646: 0CDF    lsr     r7, r3, #0x13

080A0648: 4801    ldr     r0, =#0x0CDFE588

080A064A: 6010    str     r0, [r2]
080A064C: 4770    bx      lr

;080A064E: 0000    lsl     r0, r0, #0x0
;080A0650: E588    b       0x080A0164
;080A0652: 0CDF    lsr     r7, r3, #0x13

$080A07C8 - ?

080A07C8: B530    push    {r4, r5, lr}
080A07CA: 4D0B    ldr     r5, =#0x02032700		; r5 = #$02032700
080A07CC: 6868    ldr     r0, [r5, #0x04]		; r0 =  $02032704
080A07CE: F000    bl       
080A07D0: F817    bl      0x080A0800			; ?
080A07D2: F000    bl       
080A07D4: F879    bl      0x080A08C8			; (Work off Flags in $0203BB4F/50)
080A07D6: F000    bl       
080A07D8: F97B    bl      0x080A0AD0			; ?
080A07DA: 4808    ldr     r0, =#0x00003F04
080A07DC: 182C    add     r4, r5, r0
080A07DE: 1C20    add     r0, r4, #0x0			; r0 = #$02036604
080A07E0: F000    bl       
080A07E2: F9D0    bl      0x080A0B84			; ?
080A07E4: 1C20    add     r0, r4, #0x0			; r0 = #$02036604
080A07E6: F000    bl       
080A07E8: FA7F    bl      0x080A0CE8			; ?
080A07EA: 6868    ldr     r0, [r5, #0x04]
080A07EC: F000    bl       
080A07EE: F83A    bl      0x080A0864			; ?

080A07F0: BC30    pop     {r4, r5}
080A07F2: BC01    pop     {r0}
080A07F4: 4700    bx      r0

;080A07F6: 0000    lsl     r0, r0, #0x0
;080A07F8: 2700    mov     r7, #0x00
;080A07FA: 0203    lsl     r3, r0, #0x8
;080A07FC: 3F04    sub     r7, #0x04
;080A07FE: 0000    lsl     r0, r0, #0x0

$080A0800 - Update OAM (DMA or CpuFastSet)

This transfers the whole OAM buffer to OAM. If $020365EC is #$01, the CpuFastSet is used, else it's done by DMA.

080A0800: B500    push    {lr}
080A0802: 1C02    add     r2, r0, #0x0			; r2 = r0 (in this case, #$0203CAD0)
080A0804: 480D    ldr     r0, =#0x02032700
080A0806: 490E    ldr     r1, =#0x00003EEC
080A0808: 1840    add     r0, r0, r1
080A080A: 8800    ldrh    r0, [r0]			; r0 = $020365EC
080A080C: 2801    cmp     r0, #0x01
080A080E: D11D    bne     0x080A084C
080A0810: 490C    ldr     r1, =#0x040000D4		; DMA PREPARATION - UPDATE OAM (TRANSFER OAM BUFFER)
080A0812: 2396    mov     r3, #0x96
080A0814: 015B    lsl     r3, r3, #0x5			; r3 = #$000012C0
080A0816: 18D0    add     r0, r2, r3			; r2 = #$0203DD90 (OAM Buffer)
080A0818: 6008    str     r0, [r1]			; Source
080A081A: 20E0    mov     r0, #0xE0
080A081C: 04C0    lsl     r0, r0, #0x13
080A081E: 6048    str     r0, [r1, #0x04]		; Destination: OAM (#$07000000)
080A0820: 4809    ldr     r0, =#0x80000200
080A0822: 6088    str     r0, [r1, #0x08]		; Activate DMA, transfer #$200 Doublebytes (whole OAM)
080A0824: 6888    ldr     r0, [r1, #0x08]
080A0826: 6888    ldr     r0, [r1, #0x08]
080A0828: 2280    mov     r2, #0x80
080A082A: 0612    lsl     r2, r2, #0x18
080A082C: 2800    cmp     r0, #0x00
080A082E: DA16    bge     0x080A085E			; Branch (exit) if DMA is done

080A0830: 6888    ldr     r0, [r1, #0x08]
080A0832: 4010    and     r0, r2
080A0834: 2800    cmp     r0, #0x00
080A0836: D1FB    bne     0x080A0830			; Loop if DMA isn't done yet
080A0838: E011    b       0x080A085E			; Exit

;080A083A: 0000    lsl     r0, r0, #0x0
;080A083C: 2700    mov     r7, #0x00
;080A083E: 0203    lsl     r3, r0, #0x8
;080A0840: 3EEC    sub     r6, #0xEC
;080A0842: 0000    lsl     r0, r0, #0x0
;080A0844: 00D4    lsl     r4, r2, #0x3
;080A0846: 0400    lsl     r0, r0, #0x10
;080A0848: 0200    lsl     r0, r0, #0x8
;080A084A: 8000    strh    r0, [r0]

080A084C: 2196    mov     r1, #0x96
080A084E: 0149    lsl     r1, r1, #0x5
080A0850: 1850    add     r0, r2, r1			; r0 = #$0203DD90 (OAM Buffer)
080A0852: 21E0    mov     r1, #0xE0
080A0854: 04C9    lsl     r1, r1, #0x13			; r1 = #$07000000 (OAM)
080A0856: 2280    mov     r2, #0x80
080A0858: 0052    lsl     r2, r2, #0x1			; r2 = #$00000100 (Number of OAM entries)
080A085A: F01F    bl					; swi CpuFastSet
080A085C: F8A1    bl      0x080BF9A0			; Transfers from r1 bytes from r0 to r2

080A085E: BC01    pop     {r0}
080A0860: 4700    bx      r0

;080A0862: 0000    lsl     r0, r0, #0x0

$080A0864 - ?

080A0864: B500    push    {lr}
080A0866: 1C02    add     r2, r0, #0x0
080A0868: 480D    ldr     r0, =#0x02032700
080A086A: 490E    ldr     r1, =#0x00003EEC
080A086C: 1840    add     r0, r0, r1
080A086E: 8800    ldrh    r0, [r0]
080A0870: 2801    cmp     r0, #0x01
080A0872: D11D    bne     0x080A08B0
080A0874: 490C    ldr     r1, =#0x040000D4
080A0876: 23CE    mov     r3, #0xCE
080A0878: 015B    lsl     r3, r3, #0x5
080A087A: 18D0    add     r0, r2, r3
080A087C: 6008    str     r0, [r1]
080A087E: 20A0    mov     r0, #0xA0
080A0880: 04C0    lsl     r0, r0, #0x13
080A0882: 6048    str     r0, [r1, #0x04]
080A0884: 4809    ldr     r0, =#0x80000200
080A0886: 6088    str     r0, [r1, #0x08]
080A0888: 6888    ldr     r0, [r1, #0x08]
080A088A: 6888    ldr     r0, [r1, #0x08]
080A088C: 2280    mov     r2, #0x80
080A088E: 0612    lsl     r2, r2, #0x18
080A0890: 2800    cmp     r0, #0x00
080A0892: DA16    bge     0x080A08C2
080A0894: 6888    ldr     r0, [r1, #0x08]
080A0896: 4010    and     r0, r2
080A0898: 2800    cmp     r0, #0x00
080A089A: D1FB    bne     0x080A0894
080A089C: E011    b       0x080A08C2

;080A089E: 0000    lsl     r0, r0, #0x0
;080A08A0: 2700    mov     r7, #0x00
;080A08A2: 0203    lsl     r3, r0, #0x8
;080A08A4: 3EEC    sub     r6, #0xEC
;080A08A6: 0000    lsl     r0, r0, #0x0
;080A08A8: 00D4    lsl     r4, r2, #0x3
;080A08AA: 0400    lsl     r0, r0, #0x10
;080A08AC: 0200    lsl     r0, r0, #0x8
;080A08AE: 8000    strh    r0, [r0]

080A08B0: 21CE    mov     r1, #0xCE
080A08B2: 0149    lsl     r1, r1, #0x5
080A08B4: 1850    add     r0, r2, r1
080A08B6: 21A0    mov     r1, #0xA0
080A08B8: 04C9    lsl     r1, r1, #0x13
080A08BA: 2280    mov     r2, #0x80
080A08BC: 0052    lsl     r2, r2, #0x1
080A08BE: F01F    bl       
080A08C0: F86F    bl      0x080BF9A0
080A08C2: BC01    pop     {r0}
080A08C4: 4700    bx      r0

;080A08C6: 0000    lsl     r0, r0, #0x0

$080A08C8 - (Work off Flags in $0203BB4F/50)

080A08C8: B5F0    push    {r4, r5, r6, r7, lr}
080A08CA: 464F    mov     r7, r9
080A08CC: 4646    mov     r6, r8
080A08CE: B4C0    push    {r6, r7}
080A08D0: B081    add     sp, #-0x004

080A08D2: 4D3A    ldr     r5, =#0x02032700
080A08D4: 483A    ldr     r0, =#0x0000944F
080A08D6: 182C    add     r4, r5, r0
080A08D8: 7820    ldrb    r0, [r4]			; r0 = $0203BB4F
080A08DA: 07C0    lsl     r0, r0, #0x1F
080A08DC: 2800    cmp     r0, #0x00
080A08DE: D001    beq     0x080A08E4			; Branch if bit 0 of $0203BB4F is clear

080A08E0: F7FE    bl       
080A08E2: FAEC    bl      0x0809EEBC

080A08E4: 7820    ldrb    r0, [r4]
080A08E6: 0780    lsl     r0, r0, #0x1E
080A08E8: 2800    cmp     r0, #0x00
080A08EA: DA01    bge     0x080A08F0			; Branch if bit 1 of $0203BB4F is clear

080A08EC: F7FE    bl       
080A08EE: FCAE    bl      0x0809F24C

080A08F0: 7820    ldrb    r0, [r4]
080A08F2: 0740    lsl     r0, r0, #0x1D
080A08F4: 2800    cmp     r0, #0x00
080A08F6: DA01    bge     0x080A08FC			; Branch if bit 2 of $0203BB4F is clear

080A08F8: F7FE    bl       
080A08FA: FD72    bl      0x0809F3E0

080A08FC: 7820    ldrb    r0, [r4]
080A08FE: 0700    lsl     r0, r0, #0x1C
080A0900: 2800    cmp     r0, #0x00
080A0902: DA01    bge     0x080A0908			; Branch if bit 3 of $0203BB4F is clear

080A0904: F7FE    bl       
080A0906: FDA4    bl      0x0809F450

080A0908: 7820    ldrb    r0, [r4]
080A090A: 06C0    lsl     r0, r0, #0x1B
080A090C: 2800    cmp     r0, #0x00
080A090E: DA04    bge     0x080A091A			; Branch if bit 4 of $0203BB4F is clear

080A0910: 492C    ldr     r1, =#0x0000944C
080A0912: 1868    add     r0, r5, r1			; r0 = 0203BB4C
080A0914: 7800    ldrb    r0, [r0]
080A0916: F7FE    bl       
080A0918: FDD3    bl      0x0809F4C0

080A091A: 7820    ldrb    r0, [r4]
080A091C: 0680    lsl     r0, r0, #0x1A
080A091E: 2800    cmp     r0, #0x00
080A0920: DA01    bge     0x080A0926			; Branch if bit 5 of $0203BB4F is clear

080A0922: F7FE    bl       
080A0924: FE0B    bl      0x0809F53C

080A0926: 4A28    ldr     r2, =#0x00003AEC
080A0928: 18A8    add     r0, r5, r2
080A092A: F7FE    bl       
080A092C: FC15    bl      0x0809F158
080A092E: 7820    ldrb    r0, [r4]
080A0930: 0640    lsl     r0, r0, #0x19
080A0932: 2800    cmp     r0, #0x00
080A0934: DA03    bge     0x080A093E			; Branch if bit 6 of $0203BB4F is clear

080A0936: 4925    ldr     r1, =#0x00008FD0
080A0938: 1868    add     r0, r5, r1
080A093A: F7FE    bl       
080A093C: FE2F    bl      0x0809F59C

080A093E: 7820    ldrb    r0, [r4]
080A0940: 09C0    lsr     r0, r0, #0x7
080A0942: 2800    cmp     r0, #0x00
080A0944: D001    beq     0x080A094A			; Branch if bit 7 of $0203BB4F is clear

080A0946: F7FF    bl       
080A0948: F9A9    bl      0x0809FC9C

080A094A: 4A21    ldr     r2, =#0x00009450
080A094C: 18AC    add     r4, r5, r2
080A094E: 7820    ldrb    r0, [r4]
080A0950: 07C0    lsl     r0, r0, #0x1F
080A0952: 2800    cmp     r0, #0x00
080A0954: D004    beq     0x080A0960			; Branch if bit 0 of $0203BB50 is clear
080A0956: 491F    ldr     r1, =#0x0000944B
080A0958: 1868    add     r0, r5, r1
080A095A: 7800    ldrb    r0, [r0]
080A095C: F7FF    bl       
080A095E: F940    bl      0x0809FBE0

080A0960: 7820    ldrb    r0, [r4]
080A0962: 0780    lsl     r0, r0, #0x1E
080A0964: 2800    cmp     r0, #0x00
080A0966: DA04    bge     0x080A0972			; Branch if bit 1 of $0203BB50 is clear

080A0968: 4A1B    ldr     r2, =#0x0000944A
080A096A: 18A8    add     r0, r5, r2
080A096C: 7800    ldrb    r0, [r0]
080A096E: F7FE    bl       
080A0970: FFA5    bl      0x0809F8BC

080A0972: 7820    ldrb    r0, [r4]
080A0974: 0740    lsl     r0, r0, #0x1D
080A0976: 2800    cmp     r0, #0x00
080A0978: DA01    bge     0x080A097E			; Branch if bit 2 of $0203BB50 is clear

080A097A: F7FE    bl       
080A097C: FFCF    bl      0x0809F91C

080A097E: 7820    ldrb    r0, [r4]
080A0980: 0700    lsl     r0, r0, #0x1C
080A0982: 2800    cmp     r0, #0x00
080A0984: DA09    bge     0x080A099A			; Branch if bit 3 of $0203BB50 is clear

080A0986: 4914    ldr     r1, =#0x0000944A
080A0988: 1868    add     r0, r5, r1
080A098A: 7800    ldrb    r0, [r0]
080A098C: 4A13    ldr     r2, =#0x00009451
080A098E: 18A9    add     r1, r5, r2
080A0990: 7809    ldrb    r1, [r1]
080A0992: 0749    lsl     r1, r1, #0x1D
080A0994: 0FC9    lsr     r1, r1, #0x1F
080A0996: F7FF    bl       
080A0998: F811    bl      0x0809F9BC

080A099A: 7820    ldrb    r0, [r4]
080A099C: 06C0    lsl     r0, r0, #0x1B
080A099E: 2800    cmp     r0, #0x00
080A09A0: DA28    bge     0x080A09F4			; Branch if bit 4 of $0203BB50 is clear

080A09A2: 490F    ldr     r1, =#0x00009448
080A09A4: 1868    add     r0, r5, r1
080A09A6: 7800    ldrb    r0, [r0]
080A09A8: 2800    cmp     r0, #0x00
080A09AA: DB76    blt     0x080A0A9A
080A09AC: 2803    cmp     r0, #0x03
080A09AE: DD19    ble     0x080A09E4
080A09B0: 2805    cmp     r0, #0x05
080A09B2: D172    bne     0x080A0A9A
080A09B4: 229A    mov     r2, #0x9A
080A09B6: 0052    lsl     r2, r2, #0x1
080A09B8: 18A9    add     r1, r5, r2
080A09BA: E016    b       0x080A09EA

;080A09BC: 2700    mov     r7, #0x00
;080A09BE: 0203    lsl     r3, r0, #0x8
;080A09C0: 944F    str     r4, [sp, #0x13C]
;080A09C2: 0000    lsl     r0, r0, #0x0
;080A09C4: 944C    str     r4, [sp, #0x130]
;080A09C6: 0000    lsl     r0, r0, #0x0
;080A09C8: 3AEC    sub     r2, #0xEC
;080A09CA: 0000    lsl     r0, r0, #0x0
;080A09CC: 8FD0    ldrh    r0, [r2, #0x3E]
;080A09CE: 0000    lsl     r0, r0, #0x0
;080A09D0: 9450    str     r4, [sp, #0x140]
;080A09D2: 0000    lsl     r0, r0, #0x0
;080A09D4: 944B    str     r4, [sp, #0x12C]
;080A09D6: 0000    lsl     r0, r0, #0x0
;080A09D8: 944A    str     r4, [sp, #0x128]
;080A09DA: 0000    lsl     r0, r0, #0x0
;080A09DC: 9451    str     r4, [sp, #0x144]
;080A09DE: 0000    lsl     r0, r0, #0x0
;080A09E0: 9448    str     r4, [sp, #0x120]
;080A09E2: 0000    lsl     r0, r0, #0x0

080A09E4: 20CA    mov     r0, #0xCA
080A09E6: 0040    lsl     r0, r0, #0x1
080A09E8: 1829    add     r1, r5, r0
080A09EA: 482F    ldr     r0, =#0x02032700
080A09EC: 6900    ldr     r0, [r0, #0x10]
080A09EE: 8909    ldrh    r1, [r1, #0x08]
080A09F0: F7FF    bl       
080A09F2: F808    bl      0x0809FA04
080A09F4: 4F2C    ldr     r7, =#0x02032700
080A09F6: 492D    ldr     r1, =#0x00009450
080A09F8: 19C9    add     r1, r1, r7

080A09FA: 4689    mov     r9, r1
080A09FC: 7808    ldrb    r0, [r1]
080A09FE: 0680    lsl     r0, r0, #0x1A
080A0A00: 2800    cmp     r0, #0x00
080A0A02: DA02    bge     0x080A0A0A
080A0A04: 2000    mov     r0, #0x00
080A0A06: F7FF    bl       
080A0A08: F963    bl      0x0809FCD0
080A0A0A: 464A    mov     r2, r9
080A0A0C: 7810    ldrb    r0, [r2]
080A0A0E: 0640    lsl     r0, r0, #0x19
080A0A10: 2800    cmp     r0, #0x00
080A0A12: DA01    bge     0x080A0A18
080A0A14: F7FF    bl       
080A0A16: FA1C    bl      0x0809FE50
080A0A18: 4649    mov     r1, r9
080A0A1A: 7808    ldrb    r0, [r1]
080A0A1C: 09C0    lsr     r0, r0, #0x7
080A0A1E: 2800    cmp     r0, #0x00
080A0A20: D003    beq     0x080A0A2A
080A0A22: 4A23    ldr     r2, =#0x00002F8C
080A0A24: 18B8    add     r0, r7, r2
080A0A26: F7FF    bl       
080A0A28: FA63    bl      0x0809FEF0
080A0A2A: 4822    ldr     r0, =#0x00009451
080A0A2C: 19C0    add     r0, r0, r7
080A0A2E: 4680    mov     r8, r0
080A0A30: 7800    ldrb    r0, [r0]
080A0A32: 07C0    lsl     r0, r0, #0x1F
080A0A34: 2800    cmp     r0, #0x00
080A0A36: D017    beq     0x080A0A68
080A0A38: 491F    ldr     r1, =#0x00002F62
080A0A3A: 1878    add     r0, r7, r1
080A0A3C: 7800    ldrb    r0, [r0]
080A0A3E: 4A1F    ldr     r2, =#0x00002F61
080A0A40: 18BE    add     r6, r7, r2
080A0A42: 7831    ldrb    r1, [r6]
080A0A44: 3203    add     r2, #0x03
080A0A46: 18BD    add     r5, r7, r2
080A0A48: 782A    ldrb    r2, [r5]
080A0A4A: 4B1D    ldr     r3, =#0x06013800
080A0A4C: 2401    mov     r4, #0x01
080A0A4E: 9400    str     r4, [sp]
080A0A50: F7FF    bl       
080A0A52: FA70    bl      0x0809FF34
080A0A54: 491B    ldr     r1, =#0x00002F63
080A0A56: 1878    add     r0, r7, r1
080A0A58: 7800    ldrb    r0, [r0]
080A0A5A: 7831    ldrb    r1, [r6]
080A0A5C: 782A    ldrb    r2, [r5]
080A0A5E: 4B1A    ldr     r3, =#0x06013900
080A0A60: 2402    mov     r4, #0x02
080A0A62: 9400    str     r4, [sp]
080A0A64: F7FF    bl       
080A0A66: FA66    bl      0x0809FF34
080A0A68: 4642    mov     r2, r8
080A0A6A: 7810    ldrb    r0, [r2]
080A0A6C: 0780    lsl     r0, r0, #0x1E
080A0A6E: 2800    cmp     r0, #0x00
080A0A70: DA01    bge     0x080A0A76
080A0A72: F7FF    bl       
080A0A74: FB11    bl      0x080A0098
080A0A76: 4815    ldr     r0, =#0x0000944F
080A0A78: 183A    add     r2, r7, r0
080A0A7A: 2002    mov     r0, #0x02
080A0A7C: 4240    neg     r0, r0
080A0A7E: 2303    mov     r3, #0x03
080A0A80: 425B    neg     r3, r3
080A0A82: 2405    mov     r4, #0x05
080A0A84: 4264    neg     r4, r4
080A0A86: 2100    mov     r1, #0x00
080A0A88: 7011    strb    r1, [r2]
080A0A8A: 464A    mov     r2, r9
080A0A8C: 7011    strb    r1, [r2]
080A0A8E: 4642    mov     r2, r8
080A0A90: 7811    ldrb    r1, [r2]
080A0A92: 4008    and     r0, r1
080A0A94: 4018    and     r0, r3
080A0A96: 4020    and     r0, r4
080A0A98: 7010    strb    r0, [r2]

080A0A9A: B001    add     sp, #0x004
080A0A9C: BC18    pop     {r3, r4}
080A0A9E: 4698    mov     r8, r3
080A0AA0: 46A1    mov     r9, r4
080A0AA2: BCF0    pop     {r4, r5, r6, r7}
080A0AA4: BC01    pop     {r0}
080A0AA6: 4700    bx      r0

;080A0AA8: 2700    mov     r7, #0x00
;080A0AAA: 0203    lsl     r3, r0, #0x8
;080A0AAC: 9450    str     r4, [sp, #0x140]
;080A0AAE: 0000    lsl     r0, r0, #0x0
;080A0AB0: 2F8C    cmp     r7, #0x8C
;080A0AB2: 0000    lsl     r0, r0, #0x0
;080A0AB4: 9451    str     r4, [sp, #0x144]
;080A0AB6: 0000    lsl     r0, r0, #0x0
;080A0AB8: 2F62    cmp     r7, #0x62
;080A0ABA: 0000    lsl     r0, r0, #0x0
;080A0ABC: 2F61    cmp     r7, #0x61
;080A0ABE: 0000    lsl     r0, r0, #0x0
;080A0AC0: 3800    sub     r0, #0x00
;080A0AC2: 0601    lsl     r1, r0, #0x18
;080A0AC4: 2F63    cmp     r7, #0x63
;080A0AC6: 0000    lsl     r0, r0, #0x0
;080A0AC8: 3900    sub     r1, #0x00
;080A0ACA: 0601    lsl     r1, r0, #0x18
;080A0ACC: 944F    str     r4, [sp, #0x13C]
;080A0ACE: 0000    lsl     r0, r0, #0x0

$080A0AD0 - ?

080A0AD0: B5F0    push    {r4, r5, r6, r7, lr}
080A0AD2: 4647    mov     r7, r8
080A0AD4: B480    push    {r7}

080A0AD6: 4C23    ldr     r4, =#0x02032700
080A0AD8: 6862    ldr     r2, [r4, #0x04]
080A0ADA: 20F8    mov     r0, #0xF8
080A0ADC: 0140    lsl     r0, r0, #0x5
080A0ADE: 4680    mov     r8, r0
080A0AE0: 1810    add     r0, r2, r0
080A0AE2: 7800    ldrb    r0, [r0]
080A0AE4: 2800    cmp     r0, #0x00
080A0AE6: D003    beq     0x080A0AF0
080A0AE8: 491F    ldr     r1, =#0x0600E000
080A0AEA: 1C10    add     r0, r2, #0x0
080A0AEC: F000    bl       
080A0AEE: F97E    bl      0x080A0DEC
080A0AF0: 6861    ldr     r1, [r4, #0x04]
080A0AF2: 4F1E    ldr     r7, =#0x00001F01
080A0AF4: 19C8    add     r0, r1, r7
080A0AF6: 7800    ldrb    r0, [r0]
080A0AF8: 2800    cmp     r0, #0x00
080A0AFA: D005    beq     0x080A0B08
080A0AFC: 2296    mov     r2, #0x96
080A0AFE: 00D2    lsl     r2, r2, #0x3
080A0B00: 1888    add     r0, r1, r2
080A0B02: 491B    ldr     r1, =#0x0600E800
080A0B04: F000    bl       
080A0B06: F972    bl      0x080A0DEC
080A0B08: 6861    ldr     r1, [r4, #0x04]
080A0B0A: 4E1A    ldr     r6, =#0x00001F02
080A0B0C: 1988    add     r0, r1, r6
080A0B0E: 7800    ldrb    r0, [r0]
080A0B10: 2800    cmp     r0, #0x00
080A0B12: D005    beq     0x080A0B20
080A0B14: 2296    mov     r2, #0x96
080A0B16: 0112    lsl     r2, r2, #0x4
080A0B18: 1888    add     r0, r1, r2
080A0B1A: 4917    ldr     r1, =#0x0600F000
080A0B1C: F000    bl       
080A0B1E: F966    bl      0x080A0DEC
080A0B20: 6861    ldr     r1, [r4, #0x04]
080A0B22: 4D16    ldr     r5, =#0x00001F03
080A0B24: 1948    add     r0, r1, r5
080A0B26: 7800    ldrb    r0, [r0]
080A0B28: 2800    cmp     r0, #0x00
080A0B2A: D005    beq     0x080A0B38
080A0B2C: 22E1    mov     r2, #0xE1
080A0B2E: 0112    lsl     r2, r2, #0x4
080A0B30: 1888    add     r0, r1, r2
080A0B32: 4913    ldr     r1, =#0x0600F800
080A0B34: F000    bl       
080A0B36: F95A    bl      0x080A0DEC
080A0B38: 6860    ldr     r0, [r4, #0x04]
080A0B3A: 4440    add     r0, r8
080A0B3C: 7801    ldrb    r1, [r0]
080A0B3E: 2100    mov     r1, #0x00
080A0B40: 7001    strb    r1, [r0]
080A0B42: 6860    ldr     r0, [r4, #0x04]
080A0B44: 19C0    add     r0, r0, r7
080A0B46: 7802    ldrb    r2, [r0]
080A0B48: 7001    strb    r1, [r0]
080A0B4A: 6860    ldr     r0, [r4, #0x04]
080A0B4C: 1980    add     r0, r0, r6
080A0B4E: 7802    ldrb    r2, [r0]
080A0B50: 7001    strb    r1, [r0]
080A0B52: 6860    ldr     r0, [r4, #0x04]
080A0B54: 1940    add     r0, r0, r5
080A0B56: 7802    ldrb    r2, [r0]
080A0B58: 7001    strb    r1, [r0]

080A0B5A: BC08    pop     {r3}
080A0B5C: 4698    mov     r8, r3
080A0B5E: BCF0    pop     {r4, r5, r6, r7}
080A0B60: BC01    pop     {r0}
080A0B62: 4700    bx      r0

;DATA
;===========
;080A0B64: 2700    mov     r7, #0x00
;080A0B66: 0203    lsl     r3, r0, #0x8
;080A0B68: E000    b       0x080A0B6C
;080A0B6A: 0600    lsl     r0, r0, #0x18
;080A0B6C: 1F01    sub     r1, r0, #0x4
;080A0B6E: 0000    lsl     r0, r0, #0x0
;080A0B70: E800    ???      
;080A0B72: 0600    lsl     r0, r0, #0x18
;080A0B74: 1F02    sub     r2, r0, #0x4
;080A0B76: 0000    lsl     r0, r0, #0x0
;080A0B78: F000    bl       
;080A0B7A: 0600    lsl     r0, r0, #0x18
;080A0B7C: 1F03    sub     r3, r0, #0x4
;080A0B7E: 0000    lsl     r0, r0, #0x0
;080A0B80: F800    bl      0x080A0B82
;080A0B82: 0600    lsl     r0, r0, #0x18

$080A0B84 - ?

080A0B84: B5F0    push    {r4, r5, r6, r7, lr}
080A0B86: 4647    mov     r7, r8
080A0B88: B480    push    {r7}
080A0B8A: B081    add     sp, #-0x004

080A0B8C: 1C06    add     r6, r0, #0x0
080A0B8E: 20C8    mov     r0, #0xC8
080A0B90: 0080    lsl     r0, r0, #0x2
080A0B92: 1833    add     r3, r6, r0
080A0B94: 466A    mov     r2, sp
080A0B96: 4942    ldr     r1, =#0x000050CA
080A0B98: 1870    add     r0, r6, r1
080A0B9A: 7801    ldrb    r1, [r0]
080A0B9C: 0749    lsl     r1, r1, #0x1D
080A0B9E: 0F49    lsr     r1, r1, #0x1D
080A0BA0: 4C40    ldr     r4, =#0x000050C2
080A0BA2: 1930    add     r0, r6, r4
080A0BA4: 1840    add     r0, r0, r1
080A0BA6: 7800    ldrb    r0, [r0]
080A0BA8: 8010    strh    r0, [r2]
080A0BAA: 4668    mov     r0, sp
080A0BAC: 8800    ldrh    r0, [r0]
080A0BAE: 2800    cmp     r0, #0x00
080A0BB0: D035    beq     0x080A0C1E
080A0BB2: 4A3D    ldr     r2, =#0x040000D4
080A0BB4: 483D    ldr     r0, =#0x80000030
080A0BB6: 4680    mov     r8, r0
080A0BB8: 2780    mov     r7, #0x80
080A0BBA: 063F    lsl     r7, r7, #0x18
080A0BBC: 466D    mov     r5, sp
080A0BBE: 1C18    add     r0, r3, #0x0
080A0BC0: 3008    add     r0, #0x08
080A0BC2: 6010    str     r0, [r2]
080A0BC4: 6819    ldr     r1, [r3]
080A0BC6: 6051    str     r1, [r2, #0x04]
080A0BC8: 4644    mov     r4, r8
080A0BCA: 6094    str     r4, [r2, #0x08]
080A0BCC: 6890    ldr     r0, [r2, #0x08]
080A0BCE: 6890    ldr     r0, [r2, #0x08]
080A0BD0: 4038    and     r0, r7
080A0BD2: 1C1C    add     r4, r3, #0x0
080A0BD4: 3468    add     r4, #0x68
080A0BD6: 33CC    add     r3, #0xCC
080A0BD8: 469C    mov     r12, r3
080A0BDA: 2800    cmp     r0, #0x00
080A0BDC: D005    beq     0x080A0BEA
080A0BDE: 2380    mov     r3, #0x80
080A0BE0: 061B    lsl     r3, r3, #0x18
080A0BE2: 6890    ldr     r0, [r2, #0x08]
080A0BE4: 4018    and     r0, r3
080A0BE6: 2800    cmp     r0, #0x00
080A0BE8: D1FB    bne     0x080A0BE2
080A0BEA: 6014    str     r4, [r2]
080A0BEC: 2380    mov     r3, #0x80
080A0BEE: 00DB    lsl     r3, r3, #0x3
080A0BF0: 18C8    add     r0, r1, r3
080A0BF2: 6050    str     r0, [r2, #0x04]
080A0BF4: 4644    mov     r4, r8
080A0BF6: 6094    str     r4, [r2, #0x08]
080A0BF8: 6890    ldr     r0, [r2, #0x08]
080A0BFA: 1C13    add     r3, r2, #0x0
080A0BFC: 6898    ldr     r0, [r3, #0x08]
080A0BFE: 4038    and     r0, r7
080A0C00: 2800    cmp     r0, #0x00
080A0C02: D005    beq     0x080A0C10
080A0C04: 2180    mov     r1, #0x80
080A0C06: 0609    lsl     r1, r1, #0x18
080A0C08: 6898    ldr     r0, [r3, #0x08]
080A0C0A: 4008    and     r0, r1
080A0C0C: 2800    cmp     r0, #0x00
080A0C0E: D1FB    bne     0x080A0C08
080A0C10: 8828    ldrh    r0, [r5]
080A0C12: 3801    sub     r0, #0x01
080A0C14: 8028    strh    r0, [r5]
080A0C16: 4663    mov     r3, r12
080A0C18: 8828    ldrh    r0, [r5]
080A0C1A: 2800    cmp     r0, #0x00
080A0C1C: D1CF    bne     0x080A0BBE
080A0C1E: 4820    ldr     r0, =#0x000050CA
080A0C20: 1833    add     r3, r6, r0
080A0C22: 7818    ldrb    r0, [r3]
080A0C24: 0740    lsl     r0, r0, #0x1D
080A0C26: 0F40    lsr     r0, r0, #0x1D
080A0C28: 4A1E    ldr     r2, =#0x000050C2
080A0C2A: 18B1    add     r1, r6, r2
080A0C2C: 1809    add     r1, r1, r0
080A0C2E: 2700    mov     r7, #0x00
080A0C30: 700F    strb    r7, [r1]
080A0C32: 781A    ldrb    r2, [r3]
080A0C34: 0750    lsl     r0, r2, #0x1D
080A0C36: 0F40    lsr     r0, r0, #0x1D
080A0C38: 3001    add     r0, #0x01
080A0C3A: 2107    mov     r1, #0x07
080A0C3C: 4008    and     r0, r1
080A0C3E: 2108    mov     r1, #0x08
080A0C40: 4249    neg     r1, r1
080A0C42: 4011    and     r1, r2
080A0C44: 4301    orr     r1, r0
080A0C46: 7019    strb    r1, [r3]
080A0C48: 2007    mov     r0, #0x07
080A0C4A: 4008    and     r0, r1
080A0C4C: 2804    cmp     r0, #0x04
080A0C4E: D140    bne     0x080A0CD2
080A0C50: 4B17    ldr     r3, =#0x000050C8
080A0C52: 18F5    add     r5, r6, r3
080A0C54: 8828    ldrh    r0, [r5]
080A0C56: 2800    cmp     r0, #0x00
080A0C58: D007    beq     0x080A0C6A
080A0C5A: 4816    ldr     r0, =#0x02032700
080A0C5C: 6840    ldr     r0, [r0, #0x04]
080A0C5E: 2496    mov     r4, #0x96
080A0C60: 00E4    lsl     r4, r4, #0x3
080A0C62: 1900    add     r0, r0, r4
080A0C64: 4914    ldr     r1, =#0x0600E800
080A0C66: F000    bl       
080A0C68: F8C1    bl      0x080A0DEC
080A0C6A: 4814    ldr     r0, =#0x00004678
080A0C6C: 1834    add     r4, r6, r0
080A0C6E: 6820    ldr     r0, [r4]
080A0C70: 7C40    ldrb    r0, [r0, #0x11]
080A0C72: 7028    strb    r0, [r5]
080A0C74: 6820    ldr     r0, [r4]
080A0C76: 7C81    ldrb    r1, [r0, #0x12]
080A0C78: 4A11    ldr     r2, =#0x000050C9
080A0C7A: 18B0    add     r0, r6, r2
080A0C7C: 7001    strb    r1, [r0]
080A0C7E: 6820    ldr     r0, [r4]
080A0C80: 7447    strb    r7, [r0, #0x11]
080A0C82: 6820    ldr     r0, [r4]
080A0C84: 7487    strb    r7, [r0, #0x12]
080A0C86: 1C30    add     r0, r6, #0x0
080A0C88: 2100    mov     r1, #0x00
080A0C8A: F7FD    bl       
080A0C8C: FFBB    bl      0x0809EC04
080A0C8E: 4B0D    ldr     r3, =#0x00004650
080A0C90: 18F1    add     r1, r6, r3
080A0C92: 6820    ldr     r0, [r4]
080A0C94: 4288    cmp     r0, r1
080A0C96: D119    bne     0x080A0CCC
080A0C98: 490B    ldr     r1, =#0x00004664
080A0C9A: 1870    add     r0, r6, r1
080A0C9C: E017    b       0x080A0CCE

;080A0C9E: 0000    lsl     r0, r0, #0x0
;080A0CA0: 50CA    str     r2, [r1, r3]
;080A0CA2: 0000    lsl     r0, r0, #0x0
;080A0CA4: 50C2    str     r2, [r0, r3]
;080A0CA6: 0000    lsl     r0, r0, #0x0
;080A0CA8: 00D4    lsl     r4, r2, #0x3
;080A0CAA: 0400    lsl     r0, r0, #0x10
;080A0CAC: 0030    lsl     r0, r6, #0x0
;080A0CAE: 8000    strh    r0, [r0]
;080A0CB0: 50C8    str     r0, [r1, r3]
;080A0CB2: 0000    lsl     r0, r0, #0x0
;080A0CB4: 2700    mov     r7, #0x00
;080A0CB6: 0203    lsl     r3, r0, #0x8
;080A0CB8: E800    ???      
;080A0CBA: 0600    lsl     r0, r0, #0x18
;080A0CBC: 4678    mov     r0, pc
;080A0CBE: 0000    lsl     r0, r0, #0x0
;080A0CC0: 50C9    str     r1, [r1, r3]
;080A0CC2: 0000    lsl     r0, r0, #0x0
;080A0CC4: 4650    mov     r0, r10
;080A0CC6: 0000    lsl     r0, r0, #0x0
;080A0CC8: 4664    mov     r4, r12
;080A0CCA: 0000    lsl     r0, r0, #0x0

080A0CCC: 1C08    add     r0, r1, #0x0
080A0CCE: 6020    str     r0, [r4]
080A0CD0: E003    b       0x080A0CDA
080A0CD2: 2009    mov     r0, #0x09
080A0CD4: 4240    neg     r0, r0
080A0CD6: 4001    and     r1, r0
080A0CD8: 7019    strb    r1, [r3]

080A0CDA: B001    add     sp, #0x004
080A0CDC: BC08    pop     {r3}
080A0CDE: 4698    mov     r8, r3
080A0CE0: BCF0    pop     {r4, r5, r6, r7}
080A0CE2: BC01    pop     {r0}
080A0CE4: 4700    bx      r0

;080A0CE6: 0000    lsl     r0, r0, #0x0

$080A0CE8 - ?

080A0CE8: B5F0    push    {r4, r5, r6, r7, lr}
080A0CEA: 464F    mov     r7, r9
080A0CEC: 4646    mov     r6, r8
080A0CEE: B4C0    push    {r6, r7}
080A0CF0: B081    add     sp, #-0x004

080A0CF2: 1C06    add     r6, r0, #0x0
080A0CF4: 482B    ldr     r0, =#0x00001BD0
080A0CF6: 1832    add     r2, r6, r0
080A0CF8: 4669    mov     r1, sp
080A0CFA: 3102    add     r1, #0x02
080A0CFC: 4B2A    ldr     r3, =#0x000050C7
080A0CFE: 18F0    add     r0, r6, r3
080A0D00: 7800    ldrb    r0, [r0]
080A0D02: 8008    strh    r0, [r1]
080A0D04: 8808    ldrh    r0, [r1]
080A0D06: 2800    cmp     r0, #0x00
080A0D08: D041    beq     0x080A0D8E
080A0D0A: 4B28    ldr     r3, =#0x040000D4
080A0D0C: 4C28    ldr     r4, =#0x80000020
080A0D0E: 46A1    mov     r9, r4
080A0D10: 2080    mov     r0, #0x80
080A0D12: 0600    lsl     r0, r0, #0x18
080A0D14: 4680    mov     r8, r0
080A0D16: 1C0F    add     r7, r1, #0x0
080A0D18: 1C10    add     r0, r2, #0x0
080A0D1A: 3087    add     r0, #0x87
080A0D1C: 7801    ldrb    r1, [r0]
080A0D1E: 200C    mov     r0, #0x0C
080A0D20: 4008    and     r0, r1
080A0D22: 2188    mov     r1, #0x88
080A0D24: 1889    add     r1, r1, r2
080A0D26: 468C    mov     r12, r1
080A0D28: 2800    cmp     r0, #0x00
080A0D2A: D129    bne     0x080A0D80
080A0D2C: 1D10    add     r0, r2, #0x4
080A0D2E: 6018    str     r0, [r3]
080A0D30: 6811    ldr     r1, [r2]
080A0D32: 6059    str     r1, [r3, #0x04]
080A0D34: 464C    mov     r4, r9
080A0D36: 609C    str     r4, [r3, #0x08]
080A0D38: 6898    ldr     r0, [r3, #0x08]
080A0D3A: 1C1D    add     r5, r3, #0x0
080A0D3C: 6898    ldr     r0, [r3, #0x08]
080A0D3E: 4644    mov     r4, r8
080A0D40: 4020    and     r0, r4
080A0D42: 1C0C    add     r4, r1, #0x0
080A0D44: 1C11    add     r1, r2, #0x0
080A0D46: 3144    add     r1, #0x44
080A0D48: 2800    cmp     r0, #0x00
080A0D4A: D005    beq     0x080A0D58
080A0D4C: 2280    mov     r2, #0x80
080A0D4E: 0612    lsl     r2, r2, #0x18
080A0D50: 68A8    ldr     r0, [r5, #0x08]
080A0D52: 4010    and     r0, r2
080A0D54: 2800    cmp     r0, #0x00
080A0D56: D1FB    bne     0x080A0D50
080A0D58: 6019    str     r1, [r3]
080A0D5A: 2180    mov     r1, #0x80
080A0D5C: 00C9    lsl     r1, r1, #0x3
080A0D5E: 1860    add     r0, r4, r1
080A0D60: 6058    str     r0, [r3, #0x04]
080A0D62: 464A    mov     r2, r9
080A0D64: 609A    str     r2, [r3, #0x08]
080A0D66: 6898    ldr     r0, [r3, #0x08]
080A0D68: 1C1A    add     r2, r3, #0x0
080A0D6A: 6890    ldr     r0, [r2, #0x08]
080A0D6C: 4644    mov     r4, r8
080A0D6E: 4020    and     r0, r4
080A0D70: 2800    cmp     r0, #0x00
080A0D72: D005    beq     0x080A0D80
080A0D74: 2180    mov     r1, #0x80
080A0D76: 0609    lsl     r1, r1, #0x18
080A0D78: 6890    ldr     r0, [r2, #0x08]
080A0D7A: 4008    and     r0, r1
080A0D7C: 2800    cmp     r0, #0x00
080A0D7E: D1FB    bne     0x080A0D78
080A0D80: 8838    ldrh    r0, [r7]
080A0D82: 3801    sub     r0, #0x01
080A0D84: 8038    strh    r0, [r7]
080A0D86: 4662    mov     r2, r12
080A0D88: 8838    ldrh    r0, [r7]
080A0D8A: 2800    cmp     r0, #0x00
080A0D8C: D1C4    bne     0x080A0D18
080A0D8E: 4809    ldr     r0, =#0x00004694
080A0D90: 1832    add     r2, r6, r0
080A0D92: 4B09    ldr     r3, =#0x0000467C
080A0D94: 18F1    add     r1, r6, r3
080A0D96: 6810    ldr     r0, [r2]
080A0D98: 4288    cmp     r0, r1
080A0D9A: D111    bne     0x080A0DC0
080A0D9C: 4C07    ldr     r4, =#0x00004688
080A0D9E: 1930    add     r0, r6, r4
080A0DA0: E00F    b       0x080A0DC2

;080A0DA2: 0000    lsl     r0, r0, #0x0
;080A0DA4: 1BD0    sub     r0, r2, r7
;080A0DA6: 0000    lsl     r0, r0, #0x0
;080A0DA8: 50C7    str     r7, [r0, r3]
;080A0DAA: 0000    lsl     r0, r0, #0x0
;080A0DAC: 00D4    lsl     r4, r2, #0x3
;080A0DAE: 0400    lsl     r0, r0, #0x10
;080A0DB0: 0020    lsl     r0, r4, #0x0
;080A0DB2: 8000    strh    r0, [r0]
;080A0DB4: 4694    mov     r12, r2
;080A0DB6: 0000    lsl     r0, r0, #0x0
;080A0DB8: 467C    mov     r4, pc
;080A0DBA: 0000    lsl     r0, r0, #0x0
;080A0DBC: 4688    mov     r8, r1
;080A0DBE: 0000    lsl     r0, r0, #0x0

080A0DC0: 1C08    add     r0, r1, #0x0
080A0DC2: 6010    str     r0, [r2]
080A0DC4: 4907    ldr     r1, =#0x00004694
080A0DC6: 1870    add     r0, r6, r1
080A0DC8: 6800    ldr     r0, [r0]
080A0DCA: 2100    mov     r1, #0x00
080A0DCC: 7241    strb    r1, [r0, #0x09]
080A0DCE: 4A06    ldr     r2, =#0x000050C7
080A0DD0: 18B0    add     r0, r6, r2
080A0DD2: 7001    strb    r1, [r0]

080A0DD4: B001    add     sp, #0x004
080A0DD6: BC18    pop     {r3, r4}
080A0DD8: 4698    mov     r8, r3
080A0DDA: 46A1    mov     r9, r4
080A0DDC: BCF0    pop     {r4, r5, r6, r7}
080A0DDE: BC01    pop     {r0}
080A0DE0: 4700    bx      r0

;080A0DE2: 0000    lsl     r0, r0, #0x0
;080A0DE4: 4694    mov     r12, r2
;080A0DE6: 0000    lsl     r0, r0, #0x0
;080A0DE8: 50C7    str     r7, [r0, r3]
;080A0DEA: 0000    lsl     r0, r0, #0x0

$080A0DEC - ?

080A0DEC: B570    push    {r4, r5, r6, lr}
080A0DEE: B081    add     sp, #-0x004

080A0DF0: 1C03    add     r3, r0, #0x0
080A0DF2: 1C0E    add     r6, r1, #0x0
080A0DF4: 4669    mov     r1, sp
080A0DF6: 2000    mov     r0, #0x00
080A0DF8: 8008    strh    r0, [r1]
080A0DFA: 4668    mov     r0, sp
080A0DFC: 8800    ldrh    r0, [r0]
080A0DFE: 2813    cmp     r0, #0x13
080A0E00: D819    bhi     0x080A0E36
080A0E02: 4C0F    ldr     r4, =#0x040000D4
080A0E04: 466D    mov     r5, sp
080A0E06: 6023    str     r3, [r4]
080A0E08: 6066    str     r6, [r4, #0x04]
080A0E0A: 480E    ldr     r0, =#0x8000001E
080A0E0C: 60A0    str     r0, [r4, #0x08]
080A0E0E: 68A0    ldr     r0, [r4, #0x08]
080A0E10: 68A0    ldr     r0, [r4, #0x08]
080A0E12: 2280    mov     r2, #0x80
080A0E14: 0612    lsl     r2, r2, #0x18
080A0E16: 333C    add     r3, #0x3C
080A0E18: 1C31    add     r1, r6, #0x0
080A0E1A: 3140    add     r1, #0x40
080A0E1C: 2800    cmp     r0, #0x00
080A0E1E: DA03    bge     0x080A0E28
080A0E20: 68A0    ldr     r0, [r4, #0x08]
080A0E22: 4010    and     r0, r2
080A0E24: 2800    cmp     r0, #0x00
080A0E26: D1FB    bne     0x080A0E20
080A0E28: 1C0E    add     r6, r1, #0x0
080A0E2A: 8828    ldrh    r0, [r5]
080A0E2C: 3001    add     r0, #0x01
080A0E2E: 8028    strh    r0, [r5]
080A0E30: 8828    ldrh    r0, [r5]
080A0E32: 2813    cmp     r0, #0x13
080A0E34: D9E7    bls     0x080A0E06

080A0E36: B001    add     sp, #0x004
080A0E38: BC70    pop     {r4, r5, r6}
080A0E3A: BC01    pop     {r0}
080A0E3C: 4700    bx      r0

;080A0E3E: 0000    lsl     r0, r0, #0x0
;080A0E40: 00D4    lsl     r4, r2, #0x3
;080A0E42: 0400    lsl     r0, r0, #0x10
;080A0E44: 001E    lsl     r6, r3, #0x0
;080A0E46: 8000    strh    r0, [r0]

$080A0E48 - ?

080A0E48: B530    push    {r4, r5, lr}
080A0E4A: 1C04    add     r4, r0, #0x0
080A0E4C: 1C0D    add     r5, r1, #0x0
080A0E4E: 1C28    add     r0, r5, #0x0
080A0E50: F005    bl       
080A0E52: FFC0    bl      0x080A6DD4
080A0E54: 7B29    ldrb    r1, [r5, #0x0C]
080A0E56: 2004    mov     r0, #0x04
080A0E58: 4008    and     r0, r1
080A0E5A: 2800    cmp     r0, #0x00
080A0E5C: D00A    beq     0x080A0E74
080A0E5E: 4804    ldr     r0, =#0x00003AD6
080A0E60: 1822    add     r2, r4, r0
080A0E62: 7811    ldrb    r1, [r2]
080A0E64: 2002    mov     r0, #0x02
080A0E66: 4240    neg     r0, r0
080A0E68: 4008    and     r0, r1
080A0E6A: 7010    strb    r0, [r2]
080A0E6C: E01F    b       0x080A0EAE

;080A0E6E: 0000    lsl     r0, r0, #0x0
;080A0E70: 3AD6    sub     r2, #0xD6
;080A0E72: 0000    lsl     r0, r0, #0x0
080A0E74: 4804    ldr     r0, =#0x00003AD6
080A0E76: 1823    add     r3, r4, r0
080A0E78: 781A    ldrb    r2, [r3]
080A0E7A: 2002    mov     r0, #0x02

080A0E7C: 4010    and     r0, r2
080A0E7E: 2800    cmp     r0, #0x00
080A0E80: D004    beq     0x080A0E8C
080A0E82: 2001    mov     r0, #0x01
080A0E84: 4310    orr     r0, r2
080A0E86: E007    b       0x080A0E98
;080A0E88: 3AD6    sub     r2, #0xD6
;080A0E8A: 0000    lsl     r0, r0, #0x0
080A0E8C: 0789    lsl     r1, r1, #0x1E
080A0E8E: 0FC9    lsr     r1, r1, #0x1F
080A0E90: 2002    mov     r0, #0x02
080A0E92: 4240    neg     r0, r0
080A0E94: 4010    and     r0, r2
080A0E96: 4308    orr     r0, r1
080A0E98: 7018    strb    r0, [r3]
080A0E9A: 4919    ldr     r1, =#0x00003AD6
080A0E9C: 1860    add     r0, r4, r1
080A0E9E: 7801    ldrb    r1, [r0]
080A0EA0: 2004    mov     r0, #0x04
080A0EA2: 4008    and     r0, r1
080A0EA4: 2800    cmp     r0, #0x00
080A0EA6: D002    beq     0x080A0EAE
080A0EA8: 2019    mov     r0, #0x19
080A0EAA: F7BA    bl       
080A0EAC: FB5B    bl      0x0805B564

080A0EAE: 7B28    ldrb    r0, [r5, #0x0C]
080A0EB0: 4913    ldr     r1, =#0x00003AD6
080A0EB2: 1863    add     r3, r4, r1
080A0EB4: 2104    mov     r1, #0x04
080A0EB6: 4001    and     r1, r0
080A0EB8: 781A    ldrb    r2, [r3]
080A0EBA: 2005    mov     r0, #0x05
080A0EBC: 4240    neg     r0, r0
080A0EBE: 4010    and     r0, r2
080A0EC0: 4308    orr     r0, r1
080A0EC2: 2103    mov     r1, #0x03
080A0EC4: 4249    neg     r1, r1
080A0EC6: 4008    and     r0, r1
080A0EC8: 7018    strb    r0, [r3]
080A0ECA: 1C20    add     r0, r4, #0x0
080A0ECC: F005    bl       
080A0ECE: FFB6    bl      0x080A6E3C
080A0ED0: 1C20    add     r0, r4, #0x0
080A0ED2: F005    bl       
080A0ED4: FFF3    bl      0x080A6EBC
080A0ED6: 1C20    add     r0, r4, #0x0
080A0ED8: 1C29    add     r1, r5, #0x0
080A0EDA: F006    bl       
080A0EDC: F825    bl      0x080A6F28
080A0EDE: 0600    lsl     r0, r0, #0x18
080A0EE0: 2800    cmp     r0, #0x00
080A0EE2: D14C    bne     0x080A0F7E
080A0EE4: 4907    ldr     r1, =#0x00003826
080A0EE6: 1860    add     r0, r4, r1
080A0EE8: 7801    ldrb    r1, [r0]
080A0EEA: 2201    mov     r2, #0x01
080A0EEC: 1C10    add     r0, r2, #0x0
080A0EEE: 4008    and     r0, r1
080A0EF0: 2800    cmp     r0, #0x00
080A0EF2: D009    beq     0x080A0F08
080A0EF4: 1C20    add     r0, r4, #0x0
080A0EF6: 1C29    add     r1, r5, #0x0
080A0EF8: F004    bl       
080A0EFA: FE44    bl      0x080A5B84
080A0EFC: E03F    b       0x080A0F7E
;080A0EFE: 0000    lsl     r0, r0, #0x0
;080A0F00: 3AD6    sub     r2, #0xD6
;080A0F02: 0000    lsl     r0, r0, #0x0
;080A0F04: 3826    sub     r0, #0x26
;080A0F06: 0000    lsl     r0, r0, #0x0

080A0F08: 4905    ldr     r1, =#0x000037DD
080A0F0A: 1860    add     r0, r4, r1
080A0F0C: 7801    ldrb    r1, [r0]

080A0F0E: 1C10    add     r0, r2, #0x0
080A0F10: 4008    and     r0, r1
080A0F12: 2800    cmp     r0, #0x00
080A0F14: D006    beq     0x080A0F24
080A0F16: 1C20    add     r0, r4, #0x0
080A0F18: 1C29    add     r1, r5, #0x0
080A0F1A: F004    bl       
080A0F1C: FD65    bl      0x080A59E8
080A0F1E: E02E    b       0x080A0F7E

;080A0F20: 37DD    add     r7, #0xDD
;080A0F22: 0000    lsl     r0, r0, #0x0

080A0F24: 4905    ldr     r1, =#0x000037D3
080A0F26: 1860    add     r0, r4, r1
080A0F28: 7800    ldrb    r0, [r0]
080A0F2A: 07C0    lsl     r0, r0, #0x1F
080A0F2C: 2800    cmp     r0, #0x00
080A0F2E: D007    beq     0x080A0F40
080A0F30: 1C20    add     r0, r4, #0x0
080A0F32: 1C29    add     r1, r5, #0x0
080A0F34: F003    bl       
080A0F36: FF2A    bl      0x080A4D8C
080A0F38: E021    b       0x080A0F7E

;080A0F3A: 0000    lsl     r0, r0, #0x0
;080A0F3C: 37D3    add     r7, #0xD3
;080A0F3E: 0000    lsl     r0, r0, #0x0

080A0F40: 4905    ldr     r1, =#0x000037C4
080A0F42: 1860    add     r0, r4, r1
080A0F44: 7801    ldrb    r1, [r0]
080A0F46: 1C10    add     r0, r2, #0x0
080A0F48: 4008    and     r0, r1
080A0F4A: 2800    cmp     r0, #0x00
080A0F4C: D006    beq     0x080A0F5C
080A0F4E: 1C20    add     r0, r4, #0x0
080A0F50: 1C29    add     r1, r5, #0x0
080A0F52: F003    bl       
080A0F54: F94D    bl      0x080A41F0
080A0F56: E012    b       0x080A0F7E

;080A0F58: 37C4    add     r7, #0xC4
;080A0F5A: 0000    lsl     r0, r0, #0x0

080A0F5C: 4809    ldr     r0, =#0x00003AD0
080A0F5E: 1822    add     r2, r4, r0
080A0F60: 7810    ldrb    r0, [r2]
080A0F62: 280D    cmp     r0, #0x0D
080A0F64: D80B    bhi     0x080A0F7E
080A0F66: 4908    ldr     r1, =#0x08699548
080A0F68: 0082    lsl     r2, r0, #0x2
080A0F6A: 1852    add     r2, r2, r1
080A0F6C: 0041    lsl     r1, r0, #0x1
080A0F6E: 1809    add     r1, r1, r0

080A0F70: 0109    lsl     r1, r1, #0x4
080A0F72: 1861    add     r1, r4, r1
080A0F74: 6813    ldr     r3, [r2]
080A0F76: 1C20    add     r0, r4, #0x0
080A0F78: 1C2A    add     r2, r5, #0x0
080A0F7A: F01F    bl       
080A0F7C: FAF9    bl      0x080C0570

080A0F7E: BC30    pop     {r4, r5}
080A0F80: BC01    pop     {r0}
080A0F82: 4700    bx      r0

;080A0F84: 3AD0    sub     r2, #0xD0
;080A0F86: 0000    lsl     r0, r0, #0x0
;080A0F88: 9548    str     r5, [sp, #0x120]
;080A0F8A: 0869    lsr     r1, r5, #0x1

$080A41F0 - ?

080A41F0: B5F0    push    {r4, r5, r6, r7, lr}
080A41F2: 464F    mov     r7, r9
080A41F4: 4646    mov     r6, r8
080A41F6: B4C0    push    {r6, r7}
080A41F8: B085    add     sp, #-0x014

080A41FA: 1C05    add     r5, r0, #0x0			; r5 = Orig. r0
080A41FC: 1C0E    add     r6, r1, #0x0			; r6 = Orig. r1
080A41FE: 20A8    mov     r0, #0xA8
080A4200: 0080    lsl     r0, r0, #0x2
080A4202: 182F    add     r7, r5, r0			; r7 = Orig. r0 + #$02A0
080A4204: 4912    ldr     r1, =#0x00003AD6
080A4206: 1868    add     r0, r5, r1	
080A4208: 7801    ldrb    r1, [r0]			; r0 = [Orig. r0 + #$3AD6]
080A420A: 2201    mov     r2, #0x01
080A420C: 4691    mov     r9, r2
080A420E: 2301    mov     r3, #0x01
080A4210: 4698    mov     r8, r3
080A4212: 4640    mov     r0, r8
080A4214: 4008    and     r0, r1
080A4216: 2800    cmp     r0, #0x00
080A4218: D100    bne     0x080A421C			; Branch if Bit 0 of [Orig. r0 + #$3AD6] is set
080A421A: E123    b       0x080A4464			; Branch if Bit 0 of [Orig. r0 + #$3AD6] is clear

080A421C: 8830    ldrh    r0, [r6]			; r0 = [Orig. r1]
080A421E: 2802    cmp     r0, #0x02
080A4220: D172    bne     0x080A4308			; Branch if r0 <> #$02
080A4222: 201A    mov     r0, #0x1A
080A4224: F7B7    bl       
080A4226: F99E    bl      0x0805B564			; ?
080A4228: 480A    ldr     r0, =#0x000037C4
080A422A: 182B    add     r3, r5, r0
080A422C: 7818    ldrb    r0, [r3]			; r0 = [Orig. r0 + #$37C4]
080A422E: 2402    mov     r4, #0x02
080A4230: 4264    neg     r4, r4			; #$FFFFFFFE
080A4232: 4004    and     r4, r0			; Remove Bit 0
080A4234: 701C    strb    r4, [r3]			; Store back
080A4236: A804    add     r0, sp, #0x010
080A4238: 4641    mov     r1, r8
080A423A: 7001    strb    r1, [r0]
080A423C: 4A06    ldr     r2, =#0x000037BC
080A423E: 18A8    add     r0, r5, r2
080A4240: 8801    ldrh    r1, [r0]
080A4242: 2905    cmp     r1, #0x05
080A4244: D024    beq     0x080A4290
080A4246: 2905    cmp     r1, #0x05
080A4248: DC08    bgt     0x080A425C
080A424A: 2902    cmp     r1, #0x02
080A424C: D00B    beq     0x080A4266
080A424E: E046    b       0x080A42DE

;080A4250: 3AD6    sub     r2, #0xD6
;080A4252: 0000    lsl     r0, r0, #0x0
;080A4254: 37C4    add     r7, #0xC4
;080A4256: 0000    lsl     r0, r0, #0x0
;080A4258: 37BC    add     r7, #0xBC
;080A425A: 0000    lsl     r0, r0, #0x0

080A425C: 2908    cmp     r1, #0x08
080A425E: D027    beq     0x080A42B0
080A4260: 290B    cmp     r1, #0x0B
080A4262: D02F    beq     0x080A42C4
080A4264: E03B    b       0x080A42DE

080A4266: 4809    ldr     r0, =#0x000037C5
080A4268: 182A    add     r2, r5, r0
080A426A: 7810    ldrb    r0, [r2]
080A426C: 4001    and     r1, r0
080A426E: 2900    cmp     r1, #0x00
080A4270: D035    beq     0x080A42DE
080A4272: 1C20    add     r0, r4, #0x0
080A4274: 4649    mov     r1, r9
080A4276: 4308    orr     r0, r1
080A4278: 7018    strb    r0, [r3]
080A427A: 7811    ldrb    r1, [r2]
080A427C: 2003    mov     r0, #0x03
080A427E: 4240    neg     r0, r0
080A4280: 4008    and     r0, r1
080A4282: 7010    strb    r0, [r2]
080A4284: A904    add     r1, sp, #0x010
080A4286: 2000    mov     r0, #0x00
080A4288: 7008    strb    r0, [r1]
080A428A: E028    b       0x080A42DE

;080A428C: 37C5    add     r7, #0xC5
;080A428E: 0000    lsl     r0, r0, #0x0

080A4290: 4A06    ldr     r2, =#0x000037BE
080A4292: 18A8    add     r0, r5, r2
080A4294: 8804    ldrh    r4, [r0]
080A4296: 1C28    add     r0, r5, #0x0
080A4298: F003    bl       
080A429A: FF8C    bl      0x080A81B4
080A429C: 23A9    mov     r3, #0xA9
080A429E: 009B    lsl     r3, r3, #0x2
080A42A0: 18E8    add     r0, r5, r3
080A42A2: 2100    mov     r1, #0x00
080A42A4: 8004    strh    r4, [r0]
080A42A6: A804    add     r0, sp, #0x010
080A42A8: 7001    strb    r1, [r0]
080A42AA: E018    b       0x080A42DE

;080A42AC: 37BE    add     r7, #0xBE
;080A42AE: 0000    lsl     r0, r0, #0x0

080A42B0: 4803    ldr     r0, =#0x000037BA
080A42B2: 1829    add     r1, r5, r0
080A42B4: 7808    ldrb    r0, [r1]
080A42B6: 464A    mov     r2, r9
080A42B8: 4310    orr     r0, r2
080A42BA: 7008    strb    r0, [r1]
080A42BC: E00F    b       0x080A42DE

;080A42BE: 0000    lsl     r0, r0, #0x0
;080A42C0: 37BA    add     r7, #0xBA
;080A42C2: 0000    lsl     r0, r0, #0x0

080A42C4: 4A0B    ldr     r2, =#0x02032700
080A42C6: 480C    ldr     r0, =#0x00009450
080A42C8: 1813    add     r3, r2, r0
080A42CA: 7818    ldrb    r0, [r3]
080A42CC: 2102    mov     r1, #0x02
080A42CE: 4308    orr     r0, r1
080A42D0: 7018    strb    r0, [r3]
080A42D2: 490A    ldr     r1, =#0x00003AD1
080A42D4: 1868    add     r0, r5, r1
080A42D6: 7800    ldrb    r0, [r0]
080A42D8: 4B09    ldr     r3, =#0x0000944A
080A42DA: 18D2    add     r2, r2, r3
080A42DC: 7010    strb    r0, [r2]
080A42DE: A804    add     r0, sp, #0x010
080A42E0: 7800    ldrb    r0, [r0]
080A42E2: 2800    cmp     r0, #0x00
080A42E4: D100    bne     0x080A42E8
080A42E6: E0BD    b       0x080A4464
080A42E8: 4806    ldr     r0, =#0x020361AC
080A42EA: 2101    mov     r1, #0x01
080A42EC: 2201    mov     r2, #0x01
080A42EE: F011    bl       
080A42F0: F9E7    bl      0x080B56C0
080A42F2: E09D    b       0x080A4430

;080A42F4: 2700    mov     r7, #0x00
;080A42F6: 0203    lsl     r3, r0, #0x8
;080A42F8: 9450    str     r4, [sp, #0x140]
;080A42FA: 0000    lsl     r0, r0, #0x0
;080A42FC: 3AD1    sub     r2, #0xD1
;080A42FE: 0000    lsl     r0, r0, #0x0
;080A4300: 944A    str     r4, [sp, #0x128]
;080A4302: 0000    lsl     r0, r0, #0x0
;080A4304: 61AC    str     r4, [r5, #0x18]
;080A4306: 0203    lsl     r3, r0, #0x8

080A4308: 480D    ldr     r0, =#0x000037BC
080A430A: 182C    add     r4, r5, r0
080A430C: 8820    ldrh    r0, [r4]
080A430E: 280B    cmp     r0, #0x0B
080A4310: D900    bls     0x080A4314
080A4312: E0A7    b       0x080A4464

080A4314: 490B    ldr     r1, =#0x08699604
080A4316: 0080    lsl     r0, r0, #0x2
080A4318: 1840    add     r0, r0, r1
080A431A: 6803    ldr     r3, [r0]
080A431C: 1C28    add     r0, r5, #0x0
080A431E: 1C39    add     r1, r7, #0x0
080A4320: 1C32    add     r2, r6, #0x0
080A4322: F01C    bl       
080A4324: F925    bl      0x080C0570
080A4326: 0600    lsl     r0, r0, #0x18
080A4328: 2800    cmp     r0, #0x00
080A432A: D000    beq     0x080A432E
080A432C: E09A    b       0x080A4464

080A432E: 8821    ldrh    r1, [r4]
080A4330: 2904    cmp     r1, #0x04
080A4332: D037    beq     0x080A43A4
080A4334: 2904    cmp     r1, #0x04
080A4336: DC07    bgt     0x080A4348
080A4338: 2902    cmp     r1, #0x02
080A433A: D00A    beq     0x080A4352
080A433C: E07E    b       0x080A443C

;080A433E: 0000    lsl     r0, r0, #0x0
;080A4340: 37BC    add     r7, #0xBC
;080A4342: 0000    lsl     r0, r0, #0x0
;080A4344: 9604    str     r6, [sp, #0x010]
;080A4346: 0869    lsr     r1, r5, #0x1

080A4348: 2905    cmp     r1, #0x05
080A434A: D042    beq     0x080A43D2
080A434C: 290B    cmp     r1, #0x0B
080A434E: D054    beq     0x080A43FA
080A4350: E074    b       0x080A443C

080A4352: 4A0A    ldr     r2, =#0x000037C5
080A4354: 18A8    add     r0, r5, r2
080A4356: 7800    ldrb    r0, [r0]
080A4358: 4001    and     r1, r0
080A435A: 2900    cmp     r1, #0x00
080A435C: D012    beq     0x080A4384
080A435E: 4B08    ldr     r3, =#0x000037C2
080A4360: 18E8    add     r0, r5, r3
080A4362: 2110    mov     r1, #0x10
080A4364: 9100    str     r1, [sp]
080A4366: 2120    mov     r1, #0x20
080A4368: 9101    str     r1, [sp, #0x004]
080A436A: 4641    mov     r1, r8
080A436C: 9102    str     r1, [sp, #0x008]
080A436E: 1C31    add     r1, r6, #0x0
080A4370: 2200    mov     r2, #0x00
080A4372: 2302    mov     r3, #0x02
080A4374: F018    bl       
080A4376: F8F2    bl      0x080BC55C
080A4378: E074    b       0x080A4464

;080A437A: 0000    lsl     r0, r0, #0x0
;080A437C: 37C5    add     r7, #0xC5
;080A437E: 0000    lsl     r0, r0, #0x0
;080A4380: 37C2    add     r7, #0xC2
;080A4382: 0000    lsl     r0, r0, #0x0

080A4384: 8878    ldrh    r0, [r7, #0x02]
080A4386: 2801    cmp     r0, #0x01
080A4388: D96C    bls     0x080A4464
080A438A: 22A9    mov     r2, #0xA9
080A438C: 0092    lsl     r2, r2, #0x2
080A438E: 18A9    add     r1, r5, r2
080A4390: 3801    sub     r0, #0x01
080A4392: 0400    lsl     r0, r0, #0x10
080A4394: 0C00    lsr     r0, r0, #0x10
080A4396: 9000    str     r0, [sp]
080A4398: 1C38    add     r0, r7, #0x0
080A439A: 1C32    add     r2, r6, #0x0
080A439C: 2300    mov     r3, #0x00
080A439E: F018    bl       
080A43A0: F929    bl      0x080BC5F4
080A43A2: E041    b       0x080A4428

080A43A4: 887B    ldrh    r3, [r7, #0x02]
080A43A6: 2B01    cmp     r3, #0x01
080A43A8: D95C    bls     0x080A4464
080A43AA: 21A9    mov     r1, #0xA9
080A43AC: 0089    lsl     r1, r1, #0x2
080A43AE: 1868    add     r0, r5, r1
080A43B0: 3B01    sub     r3, #0x01
080A43B2: 041B    lsl     r3, r3, #0x10
080A43B4: 0C1B    lsr     r3, r3, #0x10
080A43B6: 2180    mov     r1, #0x80
080A43B8: 9100    str     r1, [sp]
080A43BA: 2140    mov     r1, #0x40
080A43BC: 9101    str     r1, [sp, #0x004]
080A43BE: 4642    mov     r2, r8
080A43C0: 9202    str     r2, [sp, #0x008]
080A43C2: 1C31    add     r1, r6, #0x0
080A43C4: 2200    mov     r2, #0x00
080A43C6: F018    bl       
080A43C8: F8C9    bl      0x080BC55C
080A43CA: 0600    lsl     r0, r0, #0x18
080A43CC: 2800    cmp     r0, #0x00
080A43CE: D049    beq     0x080A4464
080A43D0: E02E    b       0x080A4430

080A43D2: 887B    ldrh    r3, [r7, #0x02]
080A43D4: 2B01    cmp     r3, #0x01
080A43D6: D945    bls     0x080A4464
080A43D8: 21A9    mov     r1, #0xA9
080A43DA: 0089    lsl     r1, r1, #0x2
080A43DC: 1868    add     r0, r5, r1
080A43DE: 3B01    sub     r3, #0x01
080A43E0: 041B    lsl     r3, r3, #0x10
080A43E2: 0C1B    lsr     r3, r3, #0x10
080A43E4: 2180    mov     r1, #0x80
080A43E6: 9100    str     r1, [sp]
080A43E8: 2140    mov     r1, #0x40
080A43EA: 9101    str     r1, [sp, #0x004]
080A43EC: 4642    mov     r2, r8
080A43EE: 9202    str     r2, [sp, #0x008]
080A43F0: 1C31    add     r1, r6, #0x0
080A43F2: 2200    mov     r2, #0x00
080A43F4: F018    bl       
080A43F6: F8B2    bl      0x080BC55C
080A43F8: E034    b       0x080A4464

080A43FA: 23A9    mov     r3, #0xA9
080A43FC: 009B    lsl     r3, r3, #0x2
080A43FE: 18E8    add     r0, r5, r3
080A4400: 22AA    mov     r2, #0xAA
080A4402: 0092    lsl     r2, r2, #0x2
080A4404: 18A9    add     r1, r5, r2
080A4406: 4B0C    ldr     r3, =#0x00003ACA
080A4408: 18EC    add     r4, r5, r3
080A440A: 8822    ldrh    r2, [r4]
080A440C: 0853    lsr     r3, r2, #0x1
080A440E: 4699    mov     r9, r3
080A4410: 4643    mov     r3, r8
080A4412: 401A    and     r2, r3
080A4414: 444A    add     r2, r9
080A4416: 9200    str     r2, [sp]
080A4418: 8822    ldrh    r2, [r4]
080A441A: 9201    str     r2, [sp, #0x004]
080A441C: 88FA    ldrh    r2, [r7, #0x06]
080A441E: 9202    str     r2, [sp, #0x008]
080A4420: 1C32    add     r2, r6, #0x0
080A4422: 2302    mov     r3, #0x02
080A4424: F018    bl       
080A4426: FA92    bl      0x080BC94C
080A4428: 0400    lsl     r0, r0, #0x10
080A442A: 0C00    lsr     r0, r0, #0x10
080A442C: 2802    cmp     r0, #0x02
080A442E: D119    bne     0x080A4464
080A4430: 1C28    add     r0, r5, #0x0
080A4432: F00E    bl       
080A4434: FD09    bl      0x080B2E48
080A4436: E015    b       0x080A4464

;080A4438: 3ACA    sub     r2, #0xCA
;080A443A: 0000    lsl     r0, r0, #0x0

080A443C: 8878    ldrh    r0, [r7, #0x02]
080A443E: 2801    cmp     r0, #0x01
080A4440: D910    bls     0x080A4464
080A4442: 1D39    add     r1, r7, #0x4
080A4444: 3801    sub     r0, #0x01
080A4446: 0400    lsl     r0, r0, #0x10
080A4448: 0C00    lsr     r0, r0, #0x10
080A444A: 9000    str     r0, [sp]
080A444C: 1C38    add     r0, r7, #0x0
080A444E: 1C32    add     r2, r6, #0x0
080A4450: 2300    mov     r3, #0x00
080A4452: F018    bl       
080A4454: F8CF    bl      0x080BC5F4
080A4456: 0400    lsl     r0, r0, #0x10
080A4458: 0C00    lsr     r0, r0, #0x10
080A445A: 2802    cmp     r0, #0x02
080A445C: D102    bne     0x080A4464
080A445E: 1C28    add     r0, r5, #0x0
080A4460: F00E    bl       
080A4462: FCF2    bl      0x080B2E48
080A4464: 490A    ldr     r1, =#0x000037BC
080A4466: 1868    add     r0, r5, r1
080A4468: 8802    ldrh    r2, [r0]
080A446A: 0091    lsl     r1, r2, #0x2
080A446C: 4809    ldr     r0, =#0x080C3628
080A446E: 180E    add     r6, r1, r0
080A4470: 4B09    ldr     r3, =#0x000037C4
080A4472: 18E8    add     r0, r5, r3
080A4474: 7801    ldrb    r1, [r0]
080A4476: 2001    mov     r0, #0x01
080A4478: 4684    mov     r12, r0
080A447A: 4008    and     r0, r1
080A447C: 2800    cmp     r0, #0x00
080A447E: D100    bne     0x080A4482
080A4480: E08F    b       0x080A45A2

080A4482: 2A04    cmp     r2, #0x04
080A4484: D046    beq     0x080A4514
080A4486: 2A04    cmp     r2, #0x04
080A4488: DC08    bgt     0x080A449C
080A448A: 2A02    cmp     r2, #0x02
080A448C: D009    beq     0x080A44A2
080A448E: E075    b       0x080A457C

;080A4490: 37BC    add     r7, #0xBC
;080A4492: 0000    lsl     r0, r0, #0x0
;080A4494: 3628    add     r6, #0x28
;080A4496: 080C    lsr     r4, r1, #0x0
;080A4498: 37C4    add     r7, #0xC4
;080A449A: 0000    lsl     r0, r0, #0x0

080A449C: 2A0B    cmp     r2, #0x0B
080A449E: D04F    beq     0x080A4540
080A44A0: E06C    b       0x080A457C
080A44A2: 490E    ldr     r1, =#0x000037C5
080A44A4: 1868    add     r0, r5, r1
080A44A6: 7800    ldrb    r0, [r0]
080A44A8: 1C04    add     r4, r0, #0x0
080A44AA: 4014    and     r4, r2
080A44AC: 2C00    cmp     r4, #0x00
080A44AE: D01B    beq     0x080A44E8
080A44B0: 480B    ldr     r0, =#0x02032700
080A44B2: 68C0    ldr     r0, [r0, #0x0C]
080A44B4: 4A0B    ldr     r2, =#0x000037C2
080A44B6: 18A9    add     r1, r5, r2
080A44B8: 8809    ldrh    r1, [r1]
080A44BA: 008A    lsl     r2, r1, #0x2
080A44BC: 1852    add     r2, r2, r1
080A44BE: 0492    lsl     r2, r2, #0x12
080A44C0: 23A8    mov     r3, #0xA8
080A44C2: 03DB    lsl     r3, r3, #0xF
080A44C4: 18D2    add     r2, r2, r3
080A44C6: 0C12    lsr     r2, r2, #0x10
080A44C8: 4661    mov     r1, r12
080A44CA: 9100    str     r1, [sp]
080A44CC: 2100    mov     r1, #0x00
080A44CE: 9101    str     r1, [sp, #0x004]
080A44D0: 9102    str     r1, [sp, #0x008]
080A44D2: 9103    str     r1, [sp, #0x00C]
080A44D4: 2310    mov     r3, #0x10
080A44D6: F01A    bl       
080A44D8: F9B7    bl      0x080BE848
080A44DA: E062    b       0x080A45A2

;080A44DC: 37C5    add     r7, #0xC5
;080A44DE: 0000    lsl     r0, r0, #0x0
;080A44E0: 2700    mov     r7, #0x00
;080A44E2: 0203    lsl     r3, r0, #0x8
;080A44E4: 37C2    add     r7, #0xC2
;080A44E6: 0000    lsl     r0, r0, #0x0

080A44E8: 4809    ldr     r0, =#0x02032700
080A44EA: 68C0    ldr     r0, [r0, #0x0C]
080A44EC: 8832    ldrh    r2, [r6]
080A44EE: 88BB    ldrh    r3, [r7, #0x04]
080A44F0: 8939    ldrh    r1, [r7, #0x08]
080A44F2: 1A5B    sub     r3, r3, r1
080A44F4: 011B    lsl     r3, r3, #0x4
080A44F6: 8876    ldrh    r6, [r6, #0x02]
080A44F8: 199B    add     r3, r3, r6
080A44FA: 041B    lsl     r3, r3, #0x10
080A44FC: 0C1B    lsr     r3, r3, #0x10
080A44FE: 4661    mov     r1, r12
080A4500: 9100    str     r1, [sp]
080A4502: 9401    str     r4, [sp, #0x004]
080A4504: 9402    str     r4, [sp, #0x008]
080A4506: 9403    str     r4, [sp, #0x00C]
080A4508: 2100    mov     r1, #0x00
080A450A: F01A    bl       
080A450C: F99D    bl      0x080BE848
080A450E: E048    b       0x080A45A2

;080A4510: 2700    mov     r7, #0x00
;080A4512: 0203    lsl     r3, r0, #0x8

080A4514: 4809    ldr     r0, =#0x02032700
080A4516: 68C0    ldr     r0, [r0, #0x0C]
080A4518: 88B9    ldrh    r1, [r7, #0x04]
080A451A: 004B    lsl     r3, r1, #0x1
080A451C: 185B    add     r3, r3, r1
080A451E: 04DB    lsl     r3, r3, #0x13
080A4520: 22E0    mov     r2, #0xE0
080A4522: 0312    lsl     r2, r2, #0xC
080A4524: 189B    add     r3, r3, r2
080A4526: 0C1B    lsr     r3, r3, #0x10
080A4528: 4661    mov     r1, r12
080A452A: 9100    str     r1, [sp]
080A452C: 2100    mov     r1, #0x00
080A452E: 9101    str     r1, [sp, #0x004]
080A4530: 9102    str     r1, [sp, #0x008]
080A4532: 9103    str     r1, [sp, #0x00C]
080A4534: 2200    mov     r2, #0x00
080A4536: F01A    bl       
080A4538: F987    bl      0x080BE848
080A453A: E032    b       0x080A45A2

;080A453C: 2700    mov     r7, #0x00
;080A453E: 0203    lsl     r3, r0, #0x8

080A4540: 480D    ldr     r0, =#0x02032700
080A4542: 68C0    ldr     r0, [r0, #0x0C]
080A4544: 88BA    ldrh    r2, [r7, #0x04]
080A4546: 4661    mov     r1, r12
080A4548: 4011    and     r1, r2
080A454A: 2254    mov     r2, #0x54
080A454C: 434A    mul     r2, r1
080A454E: 3238    add     r2, #0x38
080A4550: 88BB    ldrh    r3, [r7, #0x04]
080A4552: 8939    ldrh    r1, [r7, #0x08]
080A4554: 1A5B    sub     r3, r3, r1
080A4556: 0FD9    lsr     r1, r3, #0x1F
080A4558: 185B    add     r3, r3, r1
080A455A: 105B    asr     r3, r3, #0x1
080A455C: 051B    lsl     r3, r3, #0x14
080A455E: 21D0    mov     r1, #0xD0
080A4560: 03C9    lsl     r1, r1, #0xF
080A4562: 185B    add     r3, r3, r1
080A4564: 0C1B    lsr     r3, r3, #0x10
080A4566: 4661    mov     r1, r12
080A4568: 9100    str     r1, [sp]
080A456A: 2100    mov     r1, #0x00
080A456C: 9101    str     r1, [sp, #0x004]
080A456E: 9102    str     r1, [sp, #0x008]
080A4570: 9103    str     r1, [sp, #0x00C]
080A4572: F01A    bl       
080A4574: F969    bl      0x080BE848
080A4576: E014    b       0x080A45A2

;080A4578: 2700    mov     r7, #0x00
;080A457A: 0203    lsl     r3, r0, #0x8

080A457C: 480C    ldr     r0, =#0x02032700
080A457E: 68C0    ldr     r0, [r0, #0x0C]
080A4580: 8832    ldrh    r2, [r6]
080A4582: 88BB    ldrh    r3, [r7, #0x04]
080A4584: 8939    ldrh    r1, [r7, #0x08]
080A4586: 1A5B    sub     r3, r3, r1
080A4588: 011B    lsl     r3, r3, #0x4
080A458A: 8876    ldrh    r6, [r6, #0x02]
080A458C: 199B    add     r3, r3, r6
080A458E: 041B    lsl     r3, r3, #0x10
080A4590: 0C1B    lsr     r3, r3, #0x10
080A4592: 2101    mov     r1, #0x01
080A4594: 9100    str     r1, [sp]
080A4596: 2100    mov     r1, #0x00
080A4598: 9101    str     r1, [sp, #0x004]
080A459A: 9102    str     r1, [sp, #0x008]
080A459C: 9103    str     r1, [sp, #0x00C]
080A459E: F01A    bl       
080A45A0: F953    bl      0x080BE848

080A45A2: B005    add     sp, #0x014
080A45A4: BC18    pop     {r3, r4}
080A45A6: 4698    mov     r8, r3
080A45A8: 46A1    mov     r9, r4
080A45AA: BCF0    pop     {r4, r5, r6, r7}
080A45AC: BC01    pop     {r0}
080A45AE: 4700    bx      r0

;080A45B0: 2700    mov     r7, #0x00
;080A45B2: 0203    lsl     r3, r0, #0x8

$080A4D8C - ?

080A4D8C: B570    push    {r4, r5, r6, lr}
080A4D8E: B084    add     sp, #-0x010
080A4D90: 1C05    add     r5, r0, #0x0
080A4D92: 1C0B    add     r3, r1, #0x0
080A4D94: 4909    ldr     r1, =#0x000037D5
080A4D96: 1868    add     r0, r5, r1
080A4D98: 7800    ldrb    r0, [r0]
080A4D9A: 07C0    lsl     r0, r0, #0x1F
080A4D9C: 2800    cmp     r0, #0x00
080A4D9E: D013    beq     0x080A4DC8
080A4DA0: 4A07    ldr     r2, =#0x000037CE
080A4DA2: 18A8    add     r0, r5, r2
080A4DA4: 8800    ldrh    r0, [r0]
080A4DA6: 2877    cmp     r0, #0x77
080A4DA8: D90E    bls     0x080A4DC8
080A4DAA: 4806    ldr     r0, =#0x000037D3
080A4DAC: 182A    add     r2, r5, r0
080A4DAE: 7811    ldrb    r1, [r2]
080A4DB0: 2002    mov     r0, #0x02
080A4DB2: 4240    neg     r0, r0
080A4DB4: 4008    and     r0, r1
080A4DB6: 7010    strb    r0, [r2]
080A4DB8: E0E3    b       0x080A4F82

;080A4DBA: 0000    lsl     r0, r0, #0x0
;080A4DBC: 37D5    add     r7, #0xD5
;080A4DBE: 0000    lsl     r0, r0, #0x0
;080A4DC0: 37CE    add     r7, #0xCE
;080A4DC2: 0000    lsl     r0, r0, #0x0
;080A4DC4: 37D3    add     r7, #0xD3
;080A4DC6: 0000    lsl     r0, r0, #0x0

080A4DC8: 4912    ldr     r1, =#0x00003AD6
080A4DCA: 1868    add     r0, r5, r1
080A4DCC: 7801    ldrb    r1, [r0]
080A4DCE: 2001    mov     r0, #0x01
080A4DD0: 4008    and     r0, r1
080A4DD2: 2800    cmp     r0, #0x00
080A4DD4: D040    beq     0x080A4E58
080A4DD6: 8818    ldrh    r0, [r3]
080A4DD8: 2802    cmp     r0, #0x02
080A4DDA: D12F    bne     0x080A4E3C
080A4DDC: 4A0E    ldr     r2, =#0x000037D3
080A4DDE: 18AC    add     r4, r5, r2
080A4DE0: 7820    ldrb    r0, [r4]
080A4DE2: 0740    lsl     r0, r0, #0x1D
080A4DE4: 2800    cmp     r0, #0x00
080A4DE6: DB37    blt     0x080A4E58
080A4DE8: 201A    mov     r0, #0x1A
080A4DEA: F7B6    bl       
080A4DEC: FBBB    bl      0x0805B564
080A4DEE: 7821    ldrb    r1, [r4]
080A4DF0: 2002    mov     r0, #0x02
080A4DF2: 4240    neg     r0, r0
080A4DF4: 4008    and     r0, r1
080A4DF6: 7020    strb    r0, [r4]
080A4DF8: 4908    ldr     r1, =#0x000037C8
080A4DFA: 1868    add     r0, r5, r1
080A4DFC: 8800    ldrh    r0, [r0]
080A4DFE: 2813    cmp     r0, #0x13
080A4E00: D110    bne     0x080A4E24
080A4E02: 4A07    ldr     r2, =#0x000037CC
080A4E04: 18A8    add     r0, r5, r2
080A4E06: 8800    ldrh    r0, [r0]
080A4E08: 2861    cmp     r0, #0x61
080A4E0A: D10B    bne     0x080A4E24
080A4E0C: 2003    mov     r0, #0x03
080A4E0E: F001    bl       
080A4E10: FFCD    bl      0x080A6DAC
080A4E12: E021    b       0x080A4E58

;080A4E14: 3AD6    sub     r2, #0xD6
;080A4E16: 0000    lsl     r0, r0, #0x0
;080A4E18: 37D3    add     r7, #0xD3
;080A4E1A: 0000    lsl     r0, r0, #0x0
;080A4E1C: 37C8    add     r7, #0xC8
;080A4E1E: 0000    lsl     r0, r0, #0x0
;080A4E20: 37CC    add     r7, #0xCC
;080A4E22: 0000    lsl     r0, r0, #0x0

080A4E24: 4903    ldr     r1, =#0x000037D2
080A4E26: 1868    add     r0, r5, r1
080A4E28: 7801    ldrb    r1, [r0]
080A4E2A: 4A03    ldr     r2, =#0x00003AD0
080A4E2C: 18A8    add     r0, r5, r2
080A4E2E: 7001    strb    r1, [r0]
080A4E30: E012    b       0x080A4E58

;080A4E32: 0000    lsl     r0, r0, #0x0
;080A4E34: 37D2    add     r7, #0xD2
;080A4E36: 0000    lsl     r0, r0, #0x0
;080A4E38: 3AD0    sub     r2, #0xD0
;080A4E3A: 0000    lsl     r0, r0, #0x0

080A4E3C: 4814    ldr     r0, =#0x000037C8
080A4E3E: 1829    add     r1, r5, r0
080A4E40: 8808    ldrh    r0, [r1]
080A4E42: 2813    cmp     r0, #0x13
080A4E44: D808    bhi     0x080A4E58
080A4E46: 4813    ldr     r0, =#0x08699634
080A4E48: 8809    ldrh    r1, [r1]
080A4E4A: 0089    lsl     r1, r1, #0x2
080A4E4C: 1809    add     r1, r1, r0
080A4E4E: 680A    ldr     r2, [r1]
080A4E50: 1C28    add     r0, r5, #0x0
080A4E52: 1C19    add     r1, r3, #0x0
080A4E54: F01B    bl       
080A4E56: FB8A    bl      0x080C056C ; bx r2
080A4E58: 490D    ldr     r1, =#0x000037C8
080A4E5A: 1868    add     r0, r5, r1
080A4E5C: 8803    ldrh    r3, [r0]
080A4E5E: 00D9    lsl     r1, r3, #0x3
080A4E60: 1AC9    sub     r1, r1, r3
080A4E62: 0089    lsl     r1, r1, #0x2
080A4E64: 480C    ldr     r0, =#0x080C3660
080A4E66: 1809    add     r1, r1, r0
080A4E68: 4A0C    ldr     r2, =#0x000037CA
080A4E6A: 18A8    add     r0, r5, r2
080A4E6C: 8800    ldrh    r0, [r0]
080A4E6E: 0080    lsl     r0, r0, #0x2
080A4E70: 180C    add     r4, r1, r0
080A4E72: 490B    ldr     r1, =#0x000037D3
080A4E74: 1868    add     r0, r5, r1
080A4E76: 7801    ldrb    r1, [r0]
080A4E78: 2011    mov     r0, #0x11
080A4E7A: 4008    and     r0, r1
080A4E7C: 2801    cmp     r0, #0x01
080A4E7E: D174    bne     0x080A4F6A
080A4E80: 2B10    cmp     r3, #0x10
080A4E82: D012    beq     0x080A4EAA
080A4E84: 2B10    cmp     r3, #0x10
080A4E86: DC0D    bgt     0x080A4EA4
080A4E88: 2B07    cmp     r3, #0x07
080A4E8A: D029    beq     0x080A4EE0
080A4E8C: E062    b       0x080A4F54

;080A4E8E: 0000    lsl     r0, r0, #0x0
;080A4E90: 37C8    add     r7, #0xC8
;080A4E92: 0000    lsl     r0, r0, #0x0
;080A4E94: 9634    str     r6, [sp, #0x0D0]
;080A4E96: 0869    lsr     r1, r5, #0x1
;080A4E98: 3660    add     r6, #0x60
;080A4E9A: 080C    lsr     r4, r1, #0x0
;080A4E9C: 37CA    add     r7, #0xCA
;080A4E9E: 0000    lsl     r0, r0, #0x0
;080A4EA0: 37D3    add     r7, #0xD3
;080A4EA2: 0000    lsl     r0, r0, #0x0

080A4EA4: 2B13    cmp     r3, #0x13
080A4EA6: D035    beq     0x080A4F14
080A4EA8: E054    b       0x080A4F54

080A4EAA: 480B    ldr     r0, =#0x02032700
080A4EAC: 68C6    ldr     r6, [r0, #0x0C]
080A4EAE: 8822    ldrh    r2, [r4]
080A4EB0: 490A    ldr     r1, =#0x000038F0
080A4EB2: 1868    add     r0, r5, r1
080A4EB4: 7801    ldrb    r1, [r0]
080A4EB6: 2003    mov     r0, #0x03
080A4EB8: 4008    and     r0, r1
080A4EBA: 2800    cmp     r0, #0x00
080A4EBC: D103    bne     0x080A4EC6
080A4EBE: 1C10    add     r0, r2, #0x0
080A4EC0: 3044    add     r0, #0x44
080A4EC2: 0400    lsl     r0, r0, #0x10
080A4EC4: 0C02    lsr     r2, r0, #0x10
080A4EC6: 8863    ldrh    r3, [r4, #0x02]
080A4EC8: 2000    mov     r0, #0x00
080A4ECA: 9000    str     r0, [sp]
080A4ECC: 9001    str     r0, [sp, #0x004]
080A4ECE: 9002    str     r0, [sp, #0x008]
080A4ED0: 9003    str     r0, [sp, #0x00C]
080A4ED2: 1C30    add     r0, r6, #0x0
080A4ED4: E014    b       0x080A4F00

;080A4ED6: 0000    lsl     r0, r0, #0x0
;080A4ED8: 2700    mov     r7, #0x00
;080A4EDA: 0203    lsl     r3, r0, #0x8
;080A4EDC: 38F0    sub     r0, #0xF0
;080A4EDE: 0000    lsl     r0, r0, #0x0

080A4EE0: 4A09    ldr     r2, =#0x02032700
080A4EE2: 490A    ldr     r1, =#0x00009448
080A4EE4: 1850    add     r0, r2, r1
080A4EE6: 7801    ldrb    r1, [r0]
080A4EE8: 2900    cmp     r1, #0x00
080A4EEA: D111    bne     0x080A4F10
080A4EEC: 68D0    ldr     r0, [r2, #0x0C]
080A4EEE: 8822    ldrh    r2, [r4]
080A4EF0: 3A08    sub     r2, #0x08
080A4EF2: 0412    lsl     r2, r2, #0x10
080A4EF4: 0C12    lsr     r2, r2, #0x10
080A4EF6: 8863    ldrh    r3, [r4, #0x02]
080A4EF8: 9100    str     r1, [sp]
080A4EFA: 9101    str     r1, [sp, #0x004]
080A4EFC: 9102    str     r1, [sp, #0x008]
080A4EFE: 9103    str     r1, [sp, #0x00C]
080A4F00: 2100    mov     r1, #0x00
080A4F02: F019    bl       
080A4F04: FCA1    bl      0x080BE848
080A4F06: E030    b       0x080A4F6A

;080A4F08: 2700    mov     r7, #0x00
;080A4F0A: 0203    lsl     r3, r0, #0x8
;080A4F0C: 9448    str     r4, [sp, #0x120]
;080A4F0E: 0000    lsl     r0, r0, #0x0

080A4F10: 68D0    ldr     r0, [r2, #0x0C]
080A4F12: E013    b       0x080A4F3C

080A4F14: 4A06    ldr     r2, =#0x000037CC
080A4F16: 18A8    add     r0, r5, r2
080A4F18: 8800    ldrh    r0, [r0]
080A4F1A: 285F    cmp     r0, #0x5F
080A4F1C: D001    beq     0x080A4F22
080A4F1E: 2861    cmp     r0, #0x61
080A4F20: D10A    bne     0x080A4F38
080A4F22: 4804    ldr     r0, =#0x02032700
080A4F24: 68C0    ldr     r0, [r0, #0x0C]
080A4F26: 8822    ldrh    r2, [r4]
080A4F28: 3A08    sub     r2, #0x08
080A4F2A: 0412    lsl     r2, r2, #0x10
080A4F2C: 0C12    lsr     r2, r2, #0x10
080A4F2E: E006    b       0x080A4F3E

;080A4F30: 37CC    add     r7, #0xCC
;080A4F32: 0000    lsl     r0, r0, #0x0

080A4F34: 2700    mov     r7, #0x00
080A4F36: 0203    lsl     r3, r0, #0x8
080A4F38: 4805    ldr     r0, =#0x02032700
080A4F3A: 68C0    ldr     r0, [r0, #0x0C]
080A4F3C: 8822    ldrh    r2, [r4]
080A4F3E: 8863    ldrh    r3, [r4, #0x02]
080A4F40: 2100    mov     r1, #0x00
080A4F42: 9100    str     r1, [sp]
080A4F44: 9101    str     r1, [sp, #0x004]
080A4F46: 9102    str     r1, [sp, #0x008]
080A4F48: 9103    str     r1, [sp, #0x00C]
080A4F4A: F019    bl       
080A4F4C: FC7D    bl      0x080BE848
080A4F4E: E00C    b       0x080A4F6A

;080A4F50: 2700    mov     r7, #0x00
;080A4F52: 0203    lsl     r3, r0, #0x8

080A4F54: 480D    ldr     r0, =#0x02032700
080A4F56: 68C0    ldr     r0, [r0, #0x0C]
080A4F58: 8822    ldrh    r2, [r4]
080A4F5A: 8863    ldrh    r3, [r4, #0x02]
080A4F5C: 2100    mov     r1, #0x00
080A4F5E: 9100    str     r1, [sp]
080A4F60: 9101    str     r1, [sp, #0x004]
080A4F62: 9102    str     r1, [sp, #0x008]
080A4F64: 9103    str     r1, [sp, #0x00C]
080A4F66: F019    bl       
080A4F68: FC6F    bl      0x080BE848
080A4F6A: 4809    ldr     r0, =#0x000037D3
080A4F6C: 182A    add     r2, r5, r0
080A4F6E: 7811    ldrb    r1, [r2]
080A4F70: 2011    mov     r0, #0x11
080A4F72: 4240    neg     r0, r0
080A4F74: 4008    and     r0, r1
080A4F76: 7010    strb    r0, [r2]
080A4F78: 4A06    ldr     r2, =#0x000037CE
080A4F7A: 18A9    add     r1, r5, r2
080A4F7C: 8808    ldrh    r0, [r1]
080A4F7E: 3001    add     r0, #0x01
080A4F80: 8008    strh    r0, [r1]

080A4F82: B004    add     sp, #0x010
080A4F84: BC70    pop     {r4, r5, r6}
080A4F86: BC01    pop     {r0}
080A4F88: 4700    bx      r0

;080A4F8A: 0000    lsl     r0, r0, #0x0
;080A4F8C: 2700    mov     r7, #0x00
;080A4F8E: 0203    lsl     r3, r0, #0x8
;080A4F90: 37D3    add     r7, #0xD3
;080A4F92: 0000    lsl     r0, r0, #0x0
;080A4F94: 37CE    add     r7, #0xCE
;080A4F96: 0000    lsl     r0, r0, #0x0

$080A5B84 - ?

080A5B84: B530    push    {r4, r5, lr}
080A5B86: 1C05    add     r5, r0, #0x0
080A5B88: 1C0A    add     r2, r1, #0x0
080A5B8A: 490B    ldr     r1, =#0x00003AD6
080A5B8C: 1868    add     r0, r5, r1
080A5B8E: 7801    ldrb    r1, [r0]
080A5B90: 2001    mov     r0, #0x01
080A5B92: 4008    and     r0, r1
080A5B94: 2800    cmp     r0, #0x00
080A5B96: D042    beq     0x080A5C1E
080A5B98: 8811    ldrh    r1, [r2]
080A5B9A: 2904    cmp     r1, #0x04
080A5B9C: D001    beq     0x080A5BA2
080A5B9E: 2902    cmp     r1, #0x02
080A5BA0: D10E    bne     0x080A5BC0
080A5BA2: 201A    mov     r0, #0x1A
080A5BA4: F7B5    bl       
080A5BA6: FCDE    bl      0x0805B564 
080A5BA8: 4804    ldr     r0, =#0x00003826
080A5BAA: 182A    add     r2, r5, r0
080A5BAC: 7811    ldrb    r1, [r2]
080A5BAE: 2002    mov     r0, #0x02
080A5BB0: 4240    neg     r0, r0
080A5BB2: 4008    and     r0, r1
080A5BB4: 7010    strb    r0, [r2]
080A5BB6: E032    b       0x080A5C1E

;080A5BB8: 3AD6    sub     r2, #0xD6
;080A5BBA: 0000    lsl     r0, r0, #0x0
;080A5BBC: 3826    sub     r0, #0x26
;080A5BBE: 0000    lsl     r0, r0, #0x0

080A5BC0: 2940    cmp     r1, #0x40
080A5BC2: D117    bne     0x080A5BF4
080A5BC4: 4908    ldr     r1, =#0x00003824
080A5BC6: 1868    add     r0, r5, r1
080A5BC8: 8800    ldrh    r0, [r0]
080A5BCA: 2801    cmp     r0, #0x01
080A5BCC: D927    bls     0x080A5C1E
080A5BCE: 2018    mov     r0, #0x18
080A5BD0: F7B5    bl       
080A5BD2: FCC8    bl      0x0805B564  ; - Jump SR
080A5BD4: 4905    ldr     r1, =#0x00003820
080A5BD6: 1868    add     r0, r5, r1
080A5BD8: 8801    ldrh    r1, [r0]
080A5BDA: 3902    sub     r1, #0x02
080A5BDC: 8001    strh    r1, [r0]
080A5BDE: 4904    ldr     r1, =#0x000037E0
080A5BE0: 1868    add     r0, r5, r1
080A5BE2: F003    bl       
080A5BE4: FB59    bl      0x080A9298
080A5BE6: E01A    b       0x080A5C1E

;080A5BE8: 3824    sub     r0, #0x24
;080A5BEA: 0000    lsl     r0, r0, #0x0
;080A5BEC: 3820    sub     r0, #0x20
;080A5BEE: 0000    lsl     r0, r0, #0x0
;080A5BF0: 37E0    add     r7, #0xE0
;080A5BF2: 0000    lsl     r0, r0, #0x0

080A5BF4: 2980    cmp     r1, #0x80
080A5BF6: D112    bne     0x080A5C1E
080A5BF8: 490A    ldr     r1, =#0x00003824
080A5BFA: 1868    add     r0, r5, r1
080A5BFC: 8801    ldrh    r1, [r0]
080A5BFE: 480A    ldr     r0, =#0x00003820
080A5C00: 182C    add     r4, r5, r0
080A5C02: 8820    ldrh    r0, [r4]
080A5C04: 3002    add     r0, #0x02
080A5C06: 4281    cmp     r1, r0
080A5C08: DD09    ble     0x080A5C1E
080A5C0A: 2018    mov     r0, #0x18
080A5C0C: F7B5    bl       
080A5C0E: FCAA    bl      0x0805B564 ;Jump SR
080A5C10: 8820    ldrh    r0, [r4]
080A5C12: 3002    add     r0, #0x02
080A5C14: 8020    strh    r0, [r4]
080A5C16: 4905    ldr     r1, =#0x000037E0
080A5C18: 1868    add     r0, r5, r1
080A5C1A: F003    bl       
080A5C1C: FB3D    bl      0x080A9298
080A5C1E: BC30    pop     {r4, r5}
080A5C20: BC01    pop     {r0}
080A5C22: 4700    bx      r0

;080A5C24: 3824    sub     r0, #0x24
;080A5C26: 0000    lsl     r0, r0, #0x0
;080A5C28: 3820    sub     r0, #0x20
;080A5C2A: 0000    lsl     r0, r0, #0x0
;080A5C2C: 37E0    add     r7, #0xE0
;080A5C2E: 0000    lsl     r0, r0, #0x0

$080A6DAC - ?

080A6DAC: B510    push    {r4, lr}
080A6DAE: 4B06    ldr     r3, =#0x02032700
080A6DB0: 4906    ldr     r1, =#0x0000944D
080A6DB2: 185C    add     r4, r3, r1
080A6DB4: 7821    ldrb    r1, [r4]
080A6DB6: 2201    mov     r2, #0x01
080A6DB8: 4311    orr     r1, r2
080A6DBA: 7021    strb    r1, [r4]
080A6DBC: 4904    ldr     r1, =#0x00009449
080A6DBE: 185B    add     r3, r3, r1
080A6DC0: 7018    strb    r0, [r3]
080A6DC2: BC10    pop     {r4}
080A6DC4: BC01    pop     {r0}
080A6DC6: 4700    bx      r0

;DATA
;============
;080A6DC8: 2700    mov     r7, #0x00
;080A6DCA: 0203    lsl     r3, r0, #0x8
;080A6DCC: 944D    str     r4, [sp, #0x134]
;080A6DCE: 0000    lsl     r0, r0, #0x0
;080A6DD0: 9449    str     r4, [sp, #0x124]
;080A6DD2: 0000    lsl     r0, r0, #0x0

$080A6DD4 - ?

080A6DD4: B500    push    {lr}
080A6DD6: 1C03    add     r3, r0, #0x0
080A6DD8: 4806    ldr     r0, =#0x02032700
080A6DDA: 4A07    ldr     r2, =#0x00009448
080A6DDC: 1881    add     r1, r0, r2
080A6DDE: 7809    ldrb    r1, [r1]			; Load Byte from $0203BB48
080A6DE0: 3901    sub     r1, #0x01			; Subtract 1 from byte
080A6DE2: 1C02    add     r2, r0, #0x0			; r2 = #$02032700
080A6DE4: 2906    cmp     r1, #0x06
080A6DE6: D824    bhi     0x080A6E32			; If Byte is > #$06, exit
080A6DE8: 0088    lsl     r0, r1, #0x2			; Else, use it as index for address table...
080A6DEA: 4904    ldr     r1, =#0x080A6E00		; ... at $080A6E00 and jump to that address.
080A6DEC: 1840    add     r0, r0, r1
080A6DEE: 6800    ldr     r0, [r0]			; Load Address
080A6DF0: 4687    mov     pc, r0			; Store it in Program Counter

;080A6DF2: 0000    lsl     r0, r0, #0x0
;080A6DF4: 2700    mov     r7, #0x00
;080A6DF6: 0203    lsl     r3, r0, #0x8
;080A6DF8: 9448    str     r4, [sp, #0x120]
;080A6DFA: 0000    lsl     r0, r0, #0x0
;080A6DFC: 6E00    ldr     r0, [r0, #0x60]
;080A6DFE: 080A    lsr     r2, r1, #0x0

; JUMP TABLE
; entry 0,1: $080A6E26
; entry 2: $080A6E32
; entry 3: $080A6E26
; entry 4: $080A6E1C
; entry 5,6: $080A6E26

;080A6E00: 6E26    ldr     r6, [r4, #0x60]
;080A6E02: 080A    lsr     r2, r1, #0x0
;080A6E04: 6E26    ldr     r6, [r4, #0x60]
;080A6E06: 080A    lsr     r2, r1, #0x0
;080A6E08: 6E32    ldr     r2, [r6, #0x60]
;080A6E0A: 080A    lsr     r2, r1, #0x0
;080A6E0C: 6E26    ldr     r6, [r4, #0x60]
;080A6E0E: 080A    lsr     r2, r1, #0x0
;080A6E10: 6E1C    ldr     r4, [r3, #0x60]
;080A6E12: 080A    lsr     r2, r1, #0x0
;080A6E14: 6E26    ldr     r6, [r4, #0x60]
;080A6E16: 080A    lsr     r2, r1, #0x0
;080A6E18: 6E26    ldr     r6, [r4, #0x60]
;080A6E1A: 080A    lsr     r2, r1, #0x0

; entry 4: $080A6E1C
080A6E1C: 4906    ldr     r1, =#0x00003EEC
080A6E1E: 1850    add     r0, r2, r1
080A6E20: 8800    ldrh    r0, [r0]
080A6E22: 2801    cmp     r0, #0x01
080A6E24: D105    bne     0x080A6E32

; entry 0,1,3,5,6: $080A6E26
080A6E26: 8858    ldrh    r0, [r3, #0x02]
080A6E28: 280F    cmp     r0, #0x0F
080A6E2A: D102    bne     0x080A6E32
080A6E2C: 20FF    mov     r0, #0xFF
080A6E2E: F018    bl       
080A6E30: FDC7    bl      0x080BF9C0

; entry 2: $080A6E32
080A6E32: BC01    pop     {r0}
080A6E34: 4700    bx      r0

;080A6E36: 0000    lsl     r0, r0, #0x0
;080A6E38: 3EEC    sub     r6, #0xEC
;080A6E3A: 0000    lsl     r0, r0, #0x0

$080A6E3C - ?

080A6E3C: B530    push    {r4, r5, lr}
080A6E3E: 1C04    add     r4, r0, #0x0
080A6E40: 4D11    ldr     r5, =#0x02032700
080A6E42: 4912    ldr     r1, =#0x0000944E
080A6E44: 1868    add     r0, r5, r1		; r0 = $0203BB4E
080A6E46: 7800    ldrb    r0, [r0]		; r0 = [$0203BB4E]
080A6E48: 0640    lsl     r0, r0, #0x19	; Remove everything but the lowest seven bits
080A6E4A: 2800    cmp     r0, #0x00
080A6E4C: DA30    bge     0x080A6EB0		; Exit if they're = 0

080A6E4E: 6928    ldr     r0, [r5, #0x10]
080A6E50: F00F    bl       
080A6E52: FE2C    bl      0x080B6AAC
080A6E54: 0600    lsl     r0, r0, #0x18
080A6E56: 2800    cmp     r0, #0x00
080A6E58: D01E    beq     0x080A6E98
080A6E5A: 207B    mov     r0, #0x7B
080A6E5C: F7B4    bl       
080A6E5E: FB82    bl      0x0805B564		; Jump SR
080A6E60: 480B    ldr     r0, =#0x000037D3
080A6E62: 1822    add     r2, r4, r0
080A6E64: 7811    ldrb    r1, [r2]
080A6E66: 2002    mov     r0, #0x02
080A6E68: 4240    neg     r0, r0
080A6E6A: 4008    and     r0, r1
080A6E6C: 7010    strb    r0, [r2]
080A6E6E: 4909    ldr     r1, =#0x00009450
080A6E70: 186A    add     r2, r5, r1
080A6E72: 7810    ldrb    r0, [r2]
080A6E74: 2110    mov     r1, #0x10
080A6E76: 4308    orr     r0, r1
080A6E78: 7010    strb    r0, [r2]
080A6E7A: 1C20    add     r0, r4, #0x0
080A6E7C: F00B    bl       
080A6E7E: FFE4    bl      0x080B2E48
080A6E80: 2001    mov     r0, #0x01
080A6E82: F7FF    bl       
080A6E84: FF93    bl      0x080A6DAC
080A6E86: E013    b       0x080A6EB0

;080A6E88: 2700    mov     r7, #0x00
;080A6E8A: 0203    lsl     r3, r0, #0x8
;080A6E8C: 944E    str     r4, [sp, #0x138]
;080A6E8E: 0000    lsl     r0, r0, #0x0
;080A6E90: 37D3    add     r7, #0xD3
;080A6E92: 0000    lsl     r0, r0, #0x0
;080A6E94: 9450    str     r4, [sp, #0x140]
;080A6E96: 0000    lsl     r0, r0, #0x0

080A6E98: 201B    mov     r0, #0x1B
080A6E9A: F7B4    bl       
080A6E9C: FB63    bl      0x0805B564		; Jump SR
080A6E9E: 4806    ldr     r0, =#0x000037CC
080A6EA0: 1821    add     r1, r4, r0
080A6EA2: 207A    mov     r0, #0x7A
080A6EA4: 8008    strh    r0, [r1]
080A6EA6: 1C20    add     r0, r4, #0x0
080A6EA8: 2100    mov     r1, #0x00
080A6EAA: 2212    mov     r2, #0x12
080A6EAC: F001    bl       
080A6EAE: FFFE    bl      0x080A8EAC

080A6EB0: BC30    pop     {r4, r5}
080A6EB2: BC01    pop     {r0}
080A6EB4: 4700    bx      r0

;080A6EB6: 0000    lsl     r0, r0, #0x0
;080A6EB8: 37CC    add     r7, #0xCC
;080A6EBA: 0000    lsl     r0, r0, #0x0

$080A6EBC - ?

080A6EBC: B530    push    {r4, r5, lr}
080A6EBE: 1C04    add     r4, r0, #0x0
080A6EC0: 4D0D    ldr     r5, =#0x02032700
080A6EC2: 490E    ldr     r1, =#0x0000944E
080A6EC4: 1868    add     r0, r5, r1		; r0 = $0203BB4E
080A6EC6: 7800    ldrb    r0, [r0]		; r0 = [$0203BB4E]
080A6EC8: 09C0    lsr     r0, r0, #0x7		; Remove everything but the lowest seven bits
080A6ECA: 2800    cmp     r0, #0x00
080A6ECC: D026    beq     0x080A6F1C		; Exit if they're = 0
080A6ECE: 6928    ldr     r0, [r5, #0x10]
080A6ED0: F00F    bl       
080A6ED2: FDC6    bl      0x080B6A60
080A6ED4: 0600    lsl     r0, r0, #0x18
080A6ED6: 2800    cmp     r0, #0x00
080A6ED8: D014    beq     0x080A6F04
080A6EDA: 4809    ldr     r0, =#0x000037D3
080A6EDC: 1822    add     r2, r4, r0
080A6EDE: 7811    ldrb    r1, [r2]
080A6EE0: 2002    mov     r0, #0x02
080A6EE2: 4240    neg     r0, r0
080A6EE4: 4008    and     r0, r1
080A6EE6: 7010    strb    r0, [r2]
080A6EE8: 6929    ldr     r1, [r5, #0x10]
080A6EEA: 1C20    add     r0, r4, #0x0
080A6EEC: F016    bl       
080A6EEE: FD62    bl      0x080BD9B4
080A6EF0: 2002    mov     r0, #0x02
080A6EF2: F7FF    bl       
080A6EF4: FF5B    bl      0x080A6DAC
080A6EF6: E011    b       0x080A6F1C

;080A6EF8: 2700    mov     r7, #0x00
;080A6EFA: 0203    lsl     r3, r0, #0x8
;080A6EFC: 944E    str     r4, [sp, #0x138]
;080A6EFE: 0000    lsl     r0, r0, #0x0
;080A6F00: 37D3    add     r7, #0xD3
;080A6F02: 0000    lsl     r0, r0, #0x0

080A6F04: 201B    mov     r0, #0x1B
080A6F06: F7B4    bl       
080A6F08: FB2D    bl      0x0805B564
080A6F0A: 4806    ldr     r0, =#0x000037CC
080A6F0C: 1821    add     r1, r4, r0
080A6F0E: 2079    mov     r0, #0x79
080A6F10: 8008    strh    r0, [r1]
080A6F12: 1C20    add     r0, r4, #0x0
080A6F14: 2100    mov     r1, #0x00
080A6F16: 2212    mov     r2, #0x12
080A6F18: F001    bl       
080A6F1A: FFC8    bl      0x080A8EAC
080A6F1C: BC30    pop     {r4, r5}
080A6F1E: BC01    pop     {r0}
080A6F20: 4700    bx      r0

;080A6F22: 0000    lsl     r0, r0, #0x0
;080A6F24: 37CC    add     r7, #0xCC
;080A6F26: 0000    lsl     r0, r0, #0x0

$080A6F28 - ?

Both r0 and r1 contain addresses. r0 is an offset, r1 an address from where actually something is loaded.

In the end, r0 is once again used as a flag register.

080A6F28: B530    push    {r4, r5, lr}
080A6F2A: 1C04    add     r4, r0, #0x0
080A6F2C: 1C0B    add     r3, r1, #0x0
080A6F2E: 492E    ldr     r1, =#0x00003AD6
080A6F30: 1860    add     r0, r4, r1			; r0 = Original r0 + #$00003AD6
080A6F32: 7801    ldrb    r1, [r0]
080A6F34: 2501    mov     r5, #0x01
080A6F36: 1C28    add     r0, r5, #0x0			; Increment load address
080A6F38: 4008    and     r0, r1			; ???
080A6F3A: 2800    cmp     r0, #0x00
080A6F3C: D072    beq     0x080A7024			; set r0 to #$00 and exit if equal

080A6F3E: 4A2B    ldr     r2, =#0x00003826
080A6F40: 18A0    add     r0, r4, r2			; r0 = Original r0 + #$00003826
080A6F42: 7802    ldrb    r2, [r0]
080A6F44: 07D2    lsl     r2, r2, #0x1F			; Remove everything but the LSB
080A6F46: 492A    ldr     r1, =#0x000037DD
080A6F48: 1860    add     r0, r4, r1			; r0 = Original r0 + #$000037DD
080A6F4A: 7801    ldrb    r1, [r0]
080A6F4C: 07C9    lsl     r1, r1, #0x1F			; Remove everything but the LSB
080A6F4E: 4311    orr     r1, r2			; r1 has now the MSB set if at least one of them was set before
080A6F50: 4A28    ldr     r2, =#0x000037D3
080A6F52: 18A0    add     r0, r4, r2			; r0 = Original r0 + #$000037D3
080A6F54: 7800    ldrb    r0, [r0]
080A6F56: 07C0    lsl     r0, r0, #0x1F			; Remove everything but the LSB
080A6F58: 4308    orr     r0, r1			; r0 has now the MSB set if at least one of them was set before
080A6F5A: 2800    cmp     r0, #0x00
080A6F5C: D162    bne     0x080A7024			; Exit if one of the three LSBs was set

080A6F5E: 4826    ldr     r0, =#0x02032700
080A6F60: 4A26    ldr     r2, =#0x00009448
080A6F62: 1881    add     r1, r0, r2
080A6F64: 7809    ldrb    r1, [r1]			; r1 = [$0203BB48]
080A6F66: 1C02    add     r2, r0, #0x0
080A6F68: 2905    cmp     r1, #0x05
080A6F6A: D15B    bne     0x080A7024			; Exit if $0203BB48 <> #$05
080A6F6C: 8818    ldrh    r0, [r3]			; r0 = [Original r1]
080A6F6E: 2808    cmp     r0, #0x08
080A6F70: D158    bne     0x080A7024			; Exit if r0 <> #$08
080A6F72: 4923    ldr     r1, =#0x000037C4
080A6F74: 1860    add     r0, r4, r1			; r0 = Original r0 + #$000037C4
080A6F76: 7801    ldrb    r1, [r0]
080A6F78: 1C28    add     r0, r5, #0x0			; Increment address in r0
080A6F7A: 4008    and     r0, r1			; ???
080A6F7C: 2800    cmp     r0, #0x00
080A6F7E: D008    beq     0x080A6F92			; ???
080A6F80: 4920    ldr     r1, =#0x000037BC
080A6F82: 1860    add     r0, r4, r1			; r0 = Original r0 + #$000037BC
080A6F84: 8800    ldrh    r0, [r0]
080A6F86: 2800    cmp     r0, #0x00
080A6F88: DB03    blt     0x080A6F92			; ???
080A6F8A: 2805    cmp     r0, #0x05
080A6F8C: DD4A    ble     0x080A7024			; Exit
080A6F8E: 280B    cmp     r0, #0x0B
080A6F90: D048    beq     0x080A7024			; Exit
080A6F92: 491D    ldr     r1, =#0x0000944E
080A6F94: 1850    add     r0, r2, r1
080A6F96: 7800    ldrb    r0, [r0]			; r0 = [$0203BB4E]
080A6F98: 0700    lsl     r0, r0, #0x1C			; Remove everything but the lowest nybble
080A6F9A: 2800    cmp     r0, #0x00
080A6F9C: DA3A    bge     0x080A7014			; Branch if the original bit 3 was clear
080A6F9E: 2019    mov     r0, #0x19
080A6FA0: F7B4    bl       
080A6FA2: FAE0    bl      0x0805B564			; Jump SR
080A6FA4: 4A16    ldr     r2, =#0x000037C4
080A6FA6: 18A0    add     r0, r4, r2			; r0 = Original r0 + #$000037C4
080A6FA8: 7801    ldrb    r1, [r0]
080A6FAA: 2001    mov     r0, #0x01
080A6FAC: 4008    and     r0, r1
080A6FAE: 2800    cmp     r0, #0x00
080A6FB0: D009    beq     0x080A6FC6			; ?

080A6FB2: 4914    ldr     r1, =#0x000037BC
080A6FB4: 1860    add     r0, r4, r1			; r0 = Original r0 + #$000037BC
080A6FB6: 8800    ldrh    r0, [r0]
080A6FB8: 2808    cmp     r0, #0x08
080A6FBA: D104    bne     0x080A6FC6			; ?
080A6FBC: 1C20    add     r0, r4, #0x0
080A6FBE: 2100    mov     r1, #0x00
080A6FC0: 2201    mov     r2, #0x01
080A6FC2: F7F7    bl       
080A6FC4: FF65    bl      0x0809EE90			; ?

080A6FC6: 4A11    ldr     r2, =#0x000037CC
080A6FC8: 18A1    add     r1, r4, r2			; r1 = Original r0 + #$000037CC
080A6FCA: 2060    mov     r0, #0x60
080A6FCC: 8008    strh    r0, [r1]			; ?
080A6FCE: 4910    ldr     r1, =#0x00003AD0
080A6FD0: 1860    add     r0, r4, r1			; r0 = Original r0 + #$00003AD0
080A6FD2: 7800    ldrb    r0, [r0]
080A6FD4: 0041    lsl     r1, r0, #0x1			; * 2
080A6FD6: 1809    add     r1, r1, r0			; 1 + 2 = 3
080A6FD8: 0109    lsl     r1, r1, #0x4			; *#16 (#$10) = #48 (#$30)
080A6FDA: 1861    add     r1, r4, r1			; Original r0 + #$00000030
080A6FDC: 1C20    add     r0, r4, #0x0
080A6FDE: 2213    mov     r2, #0x13
080A6FE0: F001    bl       
080A6FE2: FF64    bl      0x080A8EAC			; ?
080A6FE4: E01C    b       0x080A7020			; ?

;080A6FE6: 0000    lsl     r0, r0, #0x0
;080A6FE8: 3AD6    sub     r2, #0xD6
;080A6FEA: 0000    lsl     r0, r0, #0x0
;080A6FEC: 3826    sub     r0, #0x26
;080A6FEE: 0000    lsl     r0, r0, #0x0
;080A6FF0: 37DD    add     r7, #0xDD
;080A6FF2: 0000    lsl     r0, r0, #0x0
;080A6FF4: 37D3    add     r7, #0xD3
;080A6FF6: 0000    lsl     r0, r0, #0x0
;080A6FF8: 2700    mov     r7, #0x00
;080A6FFA: 0203    lsl     r3, r0, #0x8
;080A6FFC: 9448    str     r4, [sp, #0x120]
;080A6FFE: 0000    lsl     r0, r0, #0x0
;080A7000: 37C4    add     r7, #0xC4
;080A7002: 0000    lsl     r0, r0, #0x0
;080A7004: 37BC    add     r7, #0xBC
;080A7006: 0000    lsl     r0, r0, #0x0
;080A7008: 944E    str     r4, [sp, #0x138]
;080A700A: 0000    lsl     r0, r0, #0x0
;080A700C: 37CC    add     r7, #0xCC
;080A700E: 0000    lsl     r0, r0, #0x0
;080A7010: 3AD0    sub     r2, #0xD0
;080A7012: 0000    lsl     r0, r0, #0x0

080A7014: 2019    mov     r0, #0x19			; ?
080A7016: F7B4    bl       
080A7018: FAA5    bl      0x0805B564			; Jump SR
080A701A: 2000    mov     r0, #0x00
080A701C: F7FF    bl       
080A701E: FEC6    bl      0x080A6DAC			; ?

080A7020: 2001    mov     r0, #0x01
080A7022: E000    b       0x080A7026			; ?

080A7024: 2000    mov     r0, #0x00

080A7026: BC30    pop     {r4, r5}
080A7028: BC02    pop     {r1}
080A702A: 4708    bx      r1

$080A7920 - ?

This is called from $0809CC20. When it is, r0 = #$02032714. All my comments are under the assumption that r0 has this value.

080A7920: 4906    ldr     r1, =#0x00003AD0
080A7922: 1842    add     r2, r0, r1				; r2 = #$020361E4
080A7924: 2100    mov     r1, #0x00
080A7926: 7011    strb    r1, [r2]				; $020361E4   = #$00
080A7928: 8081    strh    r1, [r0, #0x04]			; $02032718/9 = #$0000
080A792A: 4905    ldr     r1, =#0x02032700
080A792C: 4805    ldr     r0, =#0x0000944F
080A792E: 1809    add     r1, r1, r0				; r1 = #$0203BB4F
080A7930: 7808    ldrb    r0, [r1]
080A7932: 2202    mov     r2, #0x02
080A7934: 4310    orr     r0, r2				; Set Bit 1 of $0203BB4F
080A7936: 7008    strb    r0, [r1]				; Store back
080A7938: 4770    bx      lr

;080A793A: 0000    lsl     r0, r0, #0x0
;080A793C: 3AD0    sub     r2, #0xD0
;080A793E: 0000    lsl     r0, r0, #0x0
;080A7940: 2700    mov     r7, #0x00
;080A7942: 0203    lsl     r3, r0, #0x8
;080A7944: 944F    str     r4, [sp, #0x13C]
;080A7946: 0000    lsl     r0, r0, #0x0

$080A7AD8 - (Puts #$08 in $020361E4 and sets Bit 4 in $0203BB50)

This is called from $0809CA14. There is r0 = #$02032714. My comments are under the assumption that it is not called from somewhere else.

080A7AD8: 4905    ldr     r1, =#0x00003AD0
080A7ADA: 1840    add     r0, r0, r1
080A7ADC: 2108    mov     r1, #0x08
080A7ADE: 7001    strb    r1, [r0]			; $020361E4 = #$08
080A7AE0: 4904    ldr     r1, =#0x02032700
080A7AE2: 4805    ldr     r0, =#0x00009450
080A7AE4: 1809    add     r1, r1, r0			; r1 = #$0203BB50
080A7AE6: 7808    ldrb    r0, [r1]
080A7AE8: 2210    mov     r2, #0x10
080A7AEA: 4310    orr     r0, r2			; Add flag (store back)
080A7AEC: 7008    strb    r0, [r1]
080A7AEE: 4770    bx      lr

;080A7AF0: 3AD0    sub     r2, #0xD0
;080A7AF2: 0000    lsl     r0, r0, #0x0
;080A7AF4: 2700    mov     r7, #0x00
;080A7AF6: 0203    lsl     r3, r0, #0x8
;080A7AF8: 9450    str     r4, [sp, #0x140]
;080A7AFA: 0000    lsl     r0, r0, #0x0

$080A7AFC - ?

080A7AFC: B570    push    {r4, r5, r6, lr}
080A7AFE: 1C05    add     r5, r0, #0x0
080A7B00: 20D8    mov     r0, #0xD8
080A7B02: 0040    lsl     r0, r0, #0x1
080A7B04: 182A    add     r2, r5, r0			; r2 = Original r0 + #$000001B0
080A7B06: 4C2C    ldr     r4, =#0x00003AD0
080A7B08: 1929    add     r1, r5, r4			; r2 = Original r0 + #$00003AD0
080A7B0A: 2300    mov     r3, #0x00
080A7B0C: 2009    mov     r0, #0x09
080A7B0E: 7008    strb    r0, [r1]			; Store #$09 in [Original r0 + #$00003AD0]
080A7B10: 2400    mov     r4, #0x00
080A7B12: 8093    strh    r3, [r2, #0x04]		; Clear [Original r0 + #$00003AD4]
080A7B14: 8153    strh    r3, [r2, #0x0A]		; Clear [Original r0 + #$00003ADA]
080A7B16: 4829    ldr     r0, =#0x020326F0
080A7B18: 8800    ldrh    r0, [r0]
080A7B1A: 4A29    ldr     r2, =#0x000038EB
080A7B1C: 18A9    add     r1, r5, r2
080A7B1E: 7008    strb    r0, [r1]			; Store [$020326F0] in [Original r0 + #$000038EB]
080A7B20: 3201    add     r2, #0x01
080A7B22: 18A8    add     r0, r5, r2
080A7B24: 7004    strb    r4, [r0]			; Clear [Original r0 + #$00000001]
080A7B26: 7808    ldrb    r0, [r1]
080A7B28: 00C0    lsl     r0, r0, #0x3
080A7B2A: 4926    ldr     r1, =#0x080C225C
080A7B2C: 1840    add     r0, r0, r1
080A7B2E: 8802    ldrh    r2, [r0]
080A7B30: 4C25    ldr     r4, =#0x00003894
080A7B32: 1929    add     r1, r5, r4
080A7B34: 800A    strh    r2, [r1]
080A7B36: 8842    ldrh    r2, [r0, #0x02]
080A7B38: 3402    add     r4, #0x02
080A7B3A: 1929    add     r1, r5, r4
080A7B3C: 800A    strh    r2, [r1]
080A7B3E: 8880    ldrh    r0, [r0, #0x04]
080A7B40: 0140    lsl     r0, r0, #0x5
080A7B42: 4922    ldr     r1, =#0x080C209C
080A7B44: 1844    add     r4, r0, r1
080A7B46: 4922    ldr     r1, =#0x00003898
080A7B48: 1868    add     r0, r5, r1
080A7B4A: 8003    strh    r3, [r0]
080A7B4C: 2200    mov     r2, #0x00
080A7B4E: 4E21    ldr     r6, =#0x0000389C
080A7B50: 1C03    add     r3, r0, #0x0
080A7B52: 0090    lsl     r0, r2, #0x2
080A7B54: 1828    add     r0, r5, r0
080A7B56: 0051    lsl     r1, r2, #0x1
080A7B58: 1861    add     r1, r4, r1
080A7B5A: 8809    ldrh    r1, [r1]
080A7B5C: 1980    add     r0, r0, r6
080A7B5E: 7001    strb    r1, [r0]
080A7B60: 0609    lsl     r1, r1, #0x18
080A7B62: 2900    cmp     r1, #0x00
080A7B64: D007    beq     0x080A7B76
080A7B66: 8818    ldrh    r0, [r3]
080A7B68: 3001    add     r0, #0x01
080A7B6A: 8018    strh    r0, [r3]
080A7B6C: 1C50    add     r0, r2, #0x1
080A7B6E: 0400    lsl     r0, r0, #0x10
080A7B70: 0C02    lsr     r2, r0, #0x10
080A7B72: 2A0F    cmp     r2, #0x0F
080A7B74: D9ED    bls     0x080A7B52
080A7B76: 1C28    add     r0, r5, #0x0
080A7B78: 2101    mov     r1, #0x01
080A7B7A: F010    bl       
080A7B7C: FDB1    bl      0x080B86E0
080A7B7E: 1C28    add     r0, r5, #0x0
080A7B80: F012    bl       
080A7B82: FDD2    bl      0x080BA728
080A7B84: 4B14    ldr     r3, =#0x02032700
080A7B86: 4C15    ldr     r4, =#0x00009450
080A7B88: 191A    add     r2, r3, r4
080A7B8A: 7810    ldrb    r0, [r2]				; r0 = [$0203BB50]
080A7B8C: 2108    mov     r1, #0x08
080A7B8E: 4308    orr     r0, r1
080A7B90: 7010    strb    r0, [r2]
080A7B92: 4813    ldr     r0, =#0x00009451
080A7B94: 181A    add     r2, r3, r0
080A7B96: 7810    ldrb    r0, [r2]				; r0 = [$0203BB51]
080A7B98: 2104    mov     r1, #0x04
080A7B9A: 4308    orr     r0, r1
080A7B9C: 7010    strb    r0, [r2]
080A7B9E: 490A    ldr     r1, =#0x00003894
080A7BA0: 1868    add     r0, r5, r1
080A7BA2: 8800    ldrh    r0, [r0]
080A7BA4: 1C01    add     r1, r0, #0x0
080A7BA6: 2898    cmp     r0, #0x98
080A7BA8: D900    bls     0x080A7BAC
080A7BAA: 3950    sub     r1, #0x50
080A7BAC: 4A0D    ldr     r2, =#0x0000944A
080A7BAE: 1898    add     r0, r3, r2
080A7BB0: 7001    strb    r1, [r0]

080A7BB2: BC70    pop     {r4, r5, r6}
080A7BB4: BC01    pop     {r0}
080A7BB6: 4700    bx      r0

;080A7BB8: 3AD0    sub     r2, #0xD0
;080A7BBA: 0000    lsl     r0, r0, #0x0
;080A7BBC: 26F0    mov     r6, #0xF0
;080A7BBE: 0203    lsl     r3, r0, #0x8
;080A7BC0: 38EB    sub     r0, #0xEB
;080A7BC2: 0000    lsl     r0, r0, #0x0
;080A7BC4: 225C    mov     r2, #0x5C
;080A7BC6: 080C    lsr     r4, r1, #0x0
;080A7BC8: 3894    sub     r0, #0x94
;080A7BCA: 0000    lsl     r0, r0, #0x0
;080A7BCC: 209C    mov     r0, #0x9C
;080A7BCE: 080C    lsr     r4, r1, #0x0
;080A7BD0: 3898    sub     r0, #0x98
;080A7BD2: 0000    lsl     r0, r0, #0x0
;080A7BD4: 389C    sub     r0, #0x9C
;080A7BD6: 0000    lsl     r0, r0, #0x0
;080A7BD8: 2700    mov     r7, #0x00
;080A7BDA: 0203    lsl     r3, r0, #0x8
;080A7BDC: 9450    str     r4, [sp, #0x140]
;080A7BDE: 0000    lsl     r0, r0, #0x0
;080A7BE0: 9451    str     r4, [sp, #0x144]
;080A7BE2: 0000    lsl     r0, r0, #0x0
;080A7BE4: 944A    str     r4, [sp, #0x128]
;080A7BE6: 0000    lsl     r0, r0, #0x0

$080A7BE8 - ?

This is called from $0809CB84. If it is, the address in r0 is $02032714.

080A7BE8: B530    push    {r4, r5, lr}
080A7BEA: 1C04    add     r4, r0, #0x0				; r4 = Orig. r0 (#$02032714)
080A7BEC: 20F0    mov     r0, #0xF0
080A7BEE: 0040    lsl     r0, r0, #0x1				; r0 = #$01E0
080A7BF0: 1822    add     r2, r4, r0				; r2 = Orig. r0 + #$01E0 (#$020328F4)
080A7BF2: 4816    ldr     r0, =#0x00003AD0
080A7BF4: 1821    add     r1, r4, r0				; r1 = Orig. r0 + #$3AD0 (#$020361E4)
080A7BF6: 2300    mov     r3, #0x00
080A7BF8: 200A    mov     r0, #0x0A
080A7BFA: 7008    strb    r0, [r1]				; [r1] ($020361E4) = #$0A
080A7BFC: 8093    strh    r3, [r2, #0x04]			; (Clear $020328F8)
080A7BFE: 4D14    ldr     r5, =#0x02032700
080A7C00: 6928    ldr     r0, [r5, #0x10]			; r0 = [$02032710]
080A7C02: 4914    ldr     r1, =#0x00000E92
080A7C04: 1840    add     r0, r0, r1	
080A7C06: 7800    ldrb    r0, [r0]				; r0 = [ [$02032710] + #$0E92 ]
080A7C08: 2101    mov     r1, #0x01
080A7C0A: 4048    eor     r0, r1				; ?
080A7C0C: 4008    and     r0, r1				; ?
080A7C0E: 8150    strh    r0, [r2, #0x0A]			; (Store r0 in $020328FE)
080A7C10: 2001    mov     r0, #0x01
080A7C12: 8210    strh    r0, [r2, #0x10]			; (Store #01 in $02032904)
080A7C14: 8293    strh    r3, [r2, #0x14]			; (Clear $02032908)
080A7C16: 82D3    strh    r3, [r2, #0x16]			; (Clear $0203290A)
080A7C18: 480F    ldr     r0, =#0x000038F0
080A7C1A: 1822    add     r2, r4, r0				; r2 = Orig. r0 + #$38F0 (#$02036004)
080A7C1C: 7811    ldrb    r1, [r2]				; r1 = [r2] ($02036004)
080A7C1E: 2004    mov     r0, #0x04
080A7C20: 4240    neg     r0, r0				; r0 = #$FFFFFFFC
080A7C22: 4008    and     r0, r1				; Remove Bits 0 and 1 from loaded byte
080A7C24: 217D    mov     r1, #0x7D
080A7C26: 4249    neg     r1, r1
080A7C28: 4008    and     r0, r1				; Remove Bits 3 to 6 from loaded byte
080A7C2A: 7010    strb    r0, [r2]				; Store byte back
080A7C2C: 1C20    add     r0, r4, #0x0				; r0 = Orig. r0 (#$02032714)
080A7C2E: 2100    mov     r1, #0x00				; r1 = #$00
080A7C30: F001    bl       
080A7C32: FB72    bl      0x080A9318				; ?
080A7C34: 1C20    add     r0, r4, #0x0				; r0 = Orig. r0 (#$02032714)
080A7C36: F001    bl       
080A7C38: FBC1    bl      0x080A93BC				; ?
080A7C3A: 4908    ldr     r1, =#0x00003D2C			; r1 = #$00003D2C
080A7C3C: 186D    add     r5, r5, r1				; r5 = #$0203642C
080A7C3E: 1C28    add     r0, r5, #0x0				; r0 = #$0203642C
080A7C40: F7F6    bl       
080A7C42: FF94    bl      0x0809EB6C				; ?
080A7C44: BC30    pop     {r4, r5}
080A7C46: BC01    pop     {r0}
080A7C48: 4700    bx      r0

;080A7C4A: 0000    lsl     r0, r0, #0x0
;080A7C4C: 3AD0    sub     r2, #0xD0
;080A7C4E: 0000    lsl     r0, r0, #0x0
;080A7C50: 2700    mov     r7, #0x00
;080A7C52: 0203    lsl     r3, r0, #0x8
;080A7C54: 0E92    lsr     r2, r2, #0x1A
;080A7C56: 0000    lsl     r0, r0, #0x0
;080A7C58: 38F0    sub     r0, #0xF0
;080A7C5A: 0000    lsl     r0, r0, #0x0
;080A7C5C: 3D2C    sub     r5, #0x2C
;080A7C5E: 0000    lsl     r0, r0, #0x0

$080A7C76 - ?

080A7C60: B530    push    {r4, r5, lr}

080A7C62: 1C05    add     r5, r0, #0x0			; r5 = r0
080A7C64: 4C16    ldr     r4, =#0x02032700
080A7C66: 4917    ldr     r1, =#0x0000943E
080A7C68: 1860    add     r0, r4, r1
080A7C6A: 8800    ldrh    r0, [r0]			; r0 = $0203BB3E
080A7C6C: 2801    cmp     r0, #0x01
080A7C6E: D914    bls     0x080A7C9A			; Leave out a whole lot if $0203BB3E < 2

080A7C70: 2000    mov     r0, #0x00
080A7C72: F015    bl       
080A7C74: FB55    bl      0x080BD320			; As r0 = #$00, the address from $0203B6D0 gets loaded in r0
080A7C76: 4A14    ldr     r2, =#0x0000944F
080A7C78: 18A3    add     r3, r4, r2
080A7C7A: 7819    ldrb    r1, [r3]			; r1 = $0203BB4F
080A7C7C: 2220    mov     r2, #0x20
080A7C7E: 4311    orr     r1, r2			; Set Bit 5 in the value of $0203BB4F and store back
080A7C80: 7019    strb    r1, [r3]
080A7C82: 8800    ldrh    r0, [r0]			; Load from the address that was in $0203B6D0
080A7C84: 04C0    lsl     r0, r0, #0x13			; Cut off the three MSBs
080A7C86: 0E80    lsr     r0, r0, #0x1A			; Only Bits 4 to twelve remain in r0, at Bit Position 0 to 8
080A7C88: 4A10    ldr     r2, =#0x0000944A
080A7C8A: 18A1    add     r1, r4, r2
080A7C8C: 7008    strb    r0, [r1]			; Store in $0203BB4A
080A7C8E: 4810    ldr     r0, =#0x00009450
080A7C90: 1822    add     r2, r4, r0
080A7C92: 7810    ldrb    r0, [r2]			; Set Bit 4 in $0203BB50
080A7C94: 2108    mov     r1, #0x08
080A7C96: 4308    orr     r0, r1
080A7C98: 7010    strb    r0, [r2]

080A7C9A: 2184    mov     r1, #0x84
080A7C9C: 0089    lsl     r1, r1, #0x2			; r1 = #$00000210
080A7C9E: 186C    add     r4, r5, r1			; r4 = Original r0 + #$00000210
080A7CA0: 1C28    add     r0, r5, #0x0			; r0 = Original r0
080A7CA2: F011    bl       
080A7CA4: FC87    bl      0x080B95B4			; ?
080A7CA6: 4A0B    ldr     r2, =#0x00003AD0
080A7CA8: 18A9    add     r1, r5, r2			; r1 = Original r0 + #$00003AD0
080A7CAA: 2200    mov     r2, #0x00
080A7CAC: 200B    mov     r0, #0x0B
080A7CAE: 7008    strb    r0, [r1]			; ?
080A7CB0: 4909    ldr     r1, =#0x00003ACA
080A7CB2: 1868    add     r0, r5, r1
080A7CB4: 8800    ldrh    r0, [r0]			; ?
080A7CB6: 8060    strh    r0, [r4, #0x02]		; ?
080A7CB8: 80A2    strh    r2, [r4, #0x04]		; ?

080A7CBA: BC30    pop     {r4, r5}
080A7CBC: BC01    pop     {r0}
080A7CBE: 4700    bx      r0

;080A7CC0: 2700    mov     r7, #0x00
;080A7CC2: 0203    lsl     r3, r0, #0x8
;080A7CC4: 943E    str     r4, [sp, #0x0F8]
;080A7CC6: 0000    lsl     r0, r0, #0x0
;080A7CC8: 944F    str     r4, [sp, #0x13C]
;080A7CCA: 0000    lsl     r0, r0, #0x0
;080A7CCC: 944A    str     r4, [sp, #0x128]
;080A7CCE: 0000    lsl     r0, r0, #0x0
;080A7CD0: 9450    str     r4, [sp, #0x140]
;080A7CD2: 0000    lsl     r0, r0, #0x0
;080A7CD4: 3AD0    sub     r2, #0xD0
;080A7CD6: 0000    lsl     r0, r0, #0x0
;080A7CD8: 3ACA    sub     r2, #0xCA
;080A7CDA: 0000    lsl     r0, r0, #0x0

$080A7CDC - ?

080A7CDC: B510    push    {r4, lr}

080A7CDE: 219C    mov     r1, #0x9C
080A7CE0: 0089    lsl     r1, r1, #0x2				; r1 = #$00000270
080A7CE2: 1844    add     r4, r0, r1				; r4 = r0 + #$00000270
080A7CE4: 4911    ldr     r1, =#0x00003AD0
080A7CE6: 1842    add     r2, r0, r1				; r2 = r0 + #$00003AD0
080A7CE8: 2300    mov     r3, #0x00
080A7CEA: 210C    mov     r1, #0x0C
080A7CEC: 7011    strb    r1, [r2]				; Store #$0C in r2
080A7CEE: 80A3    strh    r3, [r4, #0x04]			; Store #$0000 in [r4 + #$0004]
080A7CF0: 4B0F    ldr     r3, =#0x02032700
080A7CF2: 4910    ldr     r1, =#0x00009450
080A7CF4: 185C    add     r4, r3, r1				; r4 = #$0203BB50
080A7CF6: 7821    ldrb    r1, [r4]
080A7CF8: 2208    mov     r2, #0x08				; Set Bit 3 in $0203BB50 and store value back
080A7CFA: 4311    orr     r1, r2
080A7CFC: 7021    strb    r1, [r4]
080A7CFE: 691A    ldr     r2, [r3, #0x10]			; r2 = [$0203BB60]
080A7D00: 326C    add     r2, #0x6C
080A7D02: 8811    ldrh    r1, [r2]				; r1 = [ [$0203BB60] + #$006C]
080A7D04: 0509    lsl     r1, r1, #0x14
080A7D06: 0E89    lsr     r1, r1, #0x1A				; Bits 6 to 11 are now bits 0 to 5
080A7D08: 4C0B    ldr     r4, =#0x0000944A
080A7D0A: 191B    add     r3, r3, r4
080A7D0C: 7019    strb    r1, [r3]				; Store value in $0203BB4A
080A7D0E: 7812    ldrb    r2, [r2]				; r2 = [ [$0203BB60] + #$006C]
080A7D10: 0692    lsl     r2, r2, #0x1A
080A7D12: 490A    ldr     r1, =#0x00002F56
080A7D14: 1840    add     r0, r0, r1				; r0 = r0 + #$00002F56
080A7D16: 0F12    lsr     r2, r2, #0x1C				; r2 = Bits 2 to 5 are now bits 0 to 3
080A7D18: 7803    ldrb    r3, [r0]
080A7D1A: 2110    mov     r1, #0x10
080A7D1C: 4249    neg     r1, r1				; r1 = #$FFFFFFEF
080A7D1E: 4019    and     r1, r3				; Remove bit 4 from loaded value
080A7D20: 4311    orr     r1, r2				; Set (maybe) bits 3 to 0
080A7D22: 7001    strb    r1, [r0]				; Store value back

080A7D24: BC10    pop     {r4}
080A7D26: BC01    pop     {r0}
080A7D28: 4700    bx      r0

;080A7D2A: 0000    lsl     r0, r0, #0x0
;080A7D2C: 3AD0    sub     r2, #0xD0
;080A7D2E: 0000    lsl     r0, r0, #0x0
;080A7D30: 2700    mov     r7, #0x00
;080A7D32: 0203    lsl     r3, r0, #0x8
;080A7D34: 9450    str     r4, [sp, #0x140]
;080A7D36: 0000    lsl     r0, r0, #0x0
;080A7D38: 944A    str     r4, [sp, #0x128]
;080A7D3A: 0000    lsl     r0, r0, #0x0
;080A7D3C: 2F56    cmp     r7, #0x56
;080A7D3E: 0000    lsl     r0, r0, #0x0

$080A7D40 - ?

080A7D40: B510    push    {r4, lr}

080A7D42: 219C    mov     r1, #0x9C
080A7D44: 0089    lsl     r1, r1, #0x2
080A7D46: 1843    add     r3, r0, r1					; r3 = Orig. r0 + #$0270
080A7D48: 4906    ldr     r1, =#0x00003AD0
080A7D4A: 1844    add     r4, r0, r1					; r4 = Orig. r0 + #$3AD0
080A7D4C: 2200    mov     r2, #0x00
080A7D4E: 210D    mov     r1, #0x0D
080A7D50: 7021    strb    r1, [r4]					; Orig. r0 + #$3AD0 = #$0D
080A7D52: 809A    strh    r2, [r3, #0x04]				; Orig. r0 + #$0274/5 = #$0000
080A7D54: 815A    strh    r2, [r3, #0x0A]				; Orig. r0 + #$027A/B = #$0000
080A7D56: 825A    strh    r2, [r3, #0x12]				; Orig. r0 + #$0282/3 = #$0000
080A7D58: F011    bl       
080A7D5A: F8F6    bl      0x080B8F48					; ?

080A7D5C: BC10    pop     {r4}
080A7D5E: BC01    pop     {r0}
080A7D60: 4700    bx      r0

;080A7D62: 0000    lsl     r0, r0, #0x0
;080A7D64: 3AD0    sub     r2, #0xD0
;080A7D66: 0000    lsl     r0, r0, #0x0

$080A8EAC - ?

Note: From $080C3658 on, there seems to be data sets in 14 ($0D) bit size. The offset for this comes into this subroutine in Register r2.

080A8EAC: B5F0    push    {r4, r5, r6, r7, lr}
080A8EAE: 1C03    add     r3, r0, #0x0			; r3 = r0
080A8EB0: 1C0E    add     r6, r1, #0x0			; r6 = r1
080A8EB2: 0412    lsl     r2, r2, #0x10
080A8EB4: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080A8EB6: 00D0    lsl     r0, r2, #0x3
080A8EB8: 1A80    sub     r0, r0, r2			; r0 = r2 * 7
080A8EBA: 0080    lsl     r0, r0, #0x2			; r0 = r2 * #$0D (14)
080A8EBC: 4925    ldr     r1, =#0x080C3658
080A8EBE: 1844    add     r4, r0, r1			; r4 = #$080C3658 + r0 (=r2 * #$0D (14), see above)
080A8EC0: 4825    ldr     r0, =#0x000037C8
080A8EC2: 181F    add     r7, r3, r0			; r7 = Original r0 + #$000037C8
080A8EC4: 2100    mov     r1, #0x00
080A8EC6: 803A    strh    r2, [r7]			; Store Original r2 in [Original r0 + #$000037C8]
080A8EC8: 4A24    ldr     r2, =#0x000037CE
080A8ECA: 1898    add     r0, r3, r2			; r7 = Original r0 + #$000037CE
080A8ECC: 8001    strh    r1, [r0]			; Clear [Original r0 + #$000037CE]
080A8ECE: 4824    ldr     r0, =#0x000037D3
080A8ED0: 181D    add     r5, r3, r0
080A8ED2: 7828    ldrb    r0, [r5]			; Load [Original r0 + #$000037D3]
080A8ED4: 2101    mov     r1, #0x01
080A8ED6: 468C    mov     r12, r1
080A8ED8: 4662    mov     r2, r12
080A8EDA: 4310    orr     r0, r2
080A8EDC: 2103    mov     r1, #0x03
080A8EDE: 4249    neg     r1, r1
080A8EE0: 4008    and     r0, r1
080A8EE2: 3906    sub     r1, #0x06
080A8EE4: 4008    and     r0, r1
080A8EE6: 3908    sub     r1, #0x08
080A8EE8: 4008    and     r0, r1
080A8EEA: 3910    sub     r1, #0x10
080A8EEC: 4008    and     r0, r1
080A8EEE: 7028    strb    r0, [r5]			; Store changed value back in [Original r0 + #$000037D3]
080A8EF0: 481C    ldr     r0, =#0x000037D5
080A8EF2: 181A    add     r2, r3, r0
080A8EF4: 7811    ldrb    r1, [r2]			; Load [Original r0 + #$000037D5]
080A8EF6: 2002    mov     r0, #0x02
080A8EF8: 4240    neg     r0, r0
080A8EFA: 4008    and     r0, r1			; Remove bit 1 from that byte
080A8EFC: 7010    strb    r0, [r2]			; Store Byte back in [Original r0 + #$000037D5]
080A8EFE: 2E00    cmp     r6, #0x00
080A8F00: D003    beq     0x080A8F0A			; Leave next part out if Original r1 was = 0

080A8F02: 8831    ldrh    r1, [r6]
080A8F04: 4A18    ldr     r2, =#0x000037D2
080A8F06: 1898    add     r0, r3, r2
080A8F08: 7001    strb    r1, [r0]			; Store Original r1 in [Original r0 + #$000037D2]

080A8F0A: 7D21    ldrb    r1, [r4, #0x14]
080A8F0C: 4A17    ldr     r2, =#0x000037D0
080A8F0E: 1898    add     r0, r3, r2
080A8F10: 7001    strb    r1, [r0]
080A8F12: 8AE1    ldrh    r1, [r4, #0x16]
080A8F14: 3A06    sub     r2, #0x06
080A8F16: 1898    add     r0, r3, r2
080A8F18: 8001    strh    r1, [r0]
080A8F1A: 7E20    ldrb    r0, [r4, #0x18]
080A8F1C: 4661    mov     r1, r12
080A8F1E: 4001    and     r1, r0
080A8F20: 0089    lsl     r1, r1, #0x2
080A8F22: 782A    ldrb    r2, [r5]
080A8F24: 2005    mov     r0, #0x05
080A8F26: 4240    neg     r0, r0
080A8F28: 4010    and     r0, r2
080A8F2A: 4308    orr     r0, r1
080A8F2C: 7028    strb    r0, [r5]
080A8F2E: 4810    ldr     r0, =#0x00003AA0
080A8F30: 1819    add     r1, r3, r0
080A8F32: 8820    ldrh    r0, [r4]
080A8F34: 8008    strh    r0, [r1]
080A8F36: 8860    ldrh    r0, [r4, #0x02]
080A8F38: 8048    strh    r0, [r1, #0x02]
080A8F3A: 88A0    ldrh    r0, [r4, #0x04]
080A8F3C: 8088    strh    r0, [r1, #0x04]
080A8F3E: 88E0    ldrh    r0, [r4, #0x06]
080A8F40: 80C8    strh    r0, [r1, #0x06]

080A8F42: 8838    ldrh    r0, [r7]			; Load Jump Table Entry Number
080A8F44: 2813    cmp     r0, #0x13
080A8F46: D900    bls     0x080A8F4A			; Go on if it is #$13 or less
080A8F48: E114    b       0x080A9174			; Exit if higher (invalid value)

080A8F4A: 0080    lsl     r0, r0, #0x2
080A8F4C: 4909    ldr     r1, =#0x080A8F78
080A8F4E: 1840    add     r0, r0, r1
080A8F50: 6800    ldr     r0, [r0]
080A8F52: 4687    mov     pc, r0			; Jump to Entry of the Jump Table at $080A8F78

;DATA
;================
;080A8F54: 3658    add     r6, #0x58
;080A8F56: 080C    lsr     r4, r1, #0x0
;080A8F58: 37C8    add     r7, #0xC8
;080A8F5A: 0000    lsl     r0, r0, #0x0
;080A8F5C: 37CE    add     r7, #0xCE
;080A8F5E: 0000    lsl     r0, r0, #0x0
;080A8F60: 37D3    add     r7, #0xD3
;080A8F62: 0000    lsl     r0, r0, #0x0
;080A8F64: 37D5    add     r7, #0xD5
;080A8F66: 0000    lsl     r0, r0, #0x0
;080A8F68: 37D2    add     r7, #0xD2
;080A8F6A: 0000    lsl     r0, r0, #0x0
;080A8F6C: 37D0    add     r7, #0xD0
;080A8F6E: 0000    lsl     r0, r0, #0x0
;080A8F70: 3AA0    sub     r2, #0xA0
;080A8F72: 0000    lsl     r0, r0, #0x0
;080A8F74: 8F78    ldrh    r0, [r7, #0x3A]
;080A8F76: 080A    lsr     r2, r1, #0x0

;Jump Table
; entry 00-02:080A8FC8
; entry 03:080A9174
; entry 04:080A8FC8
; entry 05-06:080A9174
; entry 07:080A8FD2
; entry 08:080A8FF8
; entry 09:080A9080
; entry 0A-11:080A9174
; entry 12:080A90A4
; entry 13:080A915C

;080A8F78: 8FC8    ldrh    r0, [r1, #0x3E]
;080A8F7A: 080A    lsr     r2, r1, #0x0
;080A8F7C: 8FC8    ldrh    r0, [r1, #0x3E]
;080A8F7E: 080A    lsr     r2, r1, #0x0
;080A8F80: 8FC8    ldrh    r0, [r1, #0x3E]
;080A8F82: 080A    lsr     r2, r1, #0x0
;080A8F84: 9174    str     r1, [sp, #0x1D0]
;080A8F86: 080A    lsr     r2, r1, #0x0
;080A8F88: 8FC8    ldrh    r0, [r1, #0x3E]
;080A8F8A: 080A    lsr     r2, r1, #0x0
;080A8F8C: 9174    str     r1, [sp, #0x1D0]
;080A8F8E: 080A    lsr     r2, r1, #0x0
;080A8F90: 9174    str     r1, [sp, #0x1D0]
;080A8F92: 080A    lsr     r2, r1, #0x0
;080A8F94: 8FD2    ldrh    r2, [r2, #0x3E]
;080A8F96: 080A    lsr     r2, r1, #0x0
;080A8F98: 8FF8    ldrh    r0, [r7, #0x3E]
;080A8F9A: 080A    lsr     r2, r1, #0x0
;080A8F9C: 9080    str     r0, [sp, #0x200]
;080A8F9E: 080A    lsr     r2, r1, #0x0
;080A8FA0: 9174    str     r1, [sp, #0x1D0]
;080A8FA2: 080A    lsr     r2, r1, #0x0
;080A8FA4: 9174    str     r1, [sp, #0x1D0]
;080A8FA6: 080A    lsr     r2, r1, #0x0
;080A8FA8: 9174    str     r1, [sp, #0x1D0]
;080A8FAA: 080A    lsr     r2, r1, #0x0
;080A8FAC: 9174    str     r1, [sp, #0x1D0]
;080A8FAE: 080A    lsr     r2, r1, #0x0
;080A8FB0: 9174    str     r1, [sp, #0x1D0]
;080A8FB2: 080A    lsr     r2, r1, #0x0
;080A8FB4: 9174    str     r1, [sp, #0x1D0]
;080A8FB6: 080A    lsr     r2, r1, #0x0
;080A8FB8: 9174    str     r1, [sp, #0x1D0]
;080A8FBA: 080A    lsr     r2, r1, #0x0
;080A8FBC: 9174    str     r1, [sp, #0x1D0]
;080A8FBE: 080A    lsr     r2, r1, #0x0
;080A8FC0: 90A4    str     r0, [sp, #0x290]
;080A8FC2: 080A    lsr     r2, r1, #0x0
;080A8FC4: 915C    str     r1, [sp, #0x170]
;080A8FC6: 080A    lsr     r2, r1, #0x0

; entry 00-02,04:080A8FC8
080A8FC8: 8971    ldrh    r1, [r6, #0x0A]
080A8FCA: 0049    lsl     r1, r1, #0x1
080A8FCC: 1C30    add     r0, r6, #0x0
080A8FCE: 3010    add     r0, #0x10
080A8FD0: E05C    b       0x080A908C

; entry 07:080A8FD2
080A8FD2: 88B1    ldrh    r1, [r6, #0x04]
080A8FD4: 4A05    ldr     r2, =#0x000037D1
080A8FD6: 1898    add     r0, r3, r2
080A8FD8: 7001    strb    r1, [r0]
080A8FDA: 4805    ldr     r0, =#0x02032700
080A8FDC: 4905    ldr     r1, =#0x00009448
080A8FDE: 1840    add     r0, r0, r1
080A8FE0: 7800    ldrb    r0, [r0]
080A8FE2: 2800    cmp     r0, #0x00
080A8FE4: D000    beq     0x080A8FE8
080A8FE6: E0C5    b       0x080A9174

080A8FE8: E0BF    b       0x080A916A
;080A8FEA: 0000    lsl     r0, r0, #0x0
;080A8FEC: 37D1    add     r7, #0xD1
;080A8FEE: 0000    lsl     r0, r0, #0x0
;080A8FF0: 2700    mov     r7, #0x00
;080A8FF2: 0203    lsl     r3, r0, #0x8
;080A8FF4: 9448    str     r4, [sp, #0x120]
;080A8FF6: 0000    lsl     r0, r0, #0x0

; entry 08:080A8FF8
080A8FF8: 4915    ldr     r1, =#0x000038EC
080A8FFA: 1858    add     r0, r3, r1
080A8FFC: 7801    ldrb    r1, [r0]
080A8FFE: 0049    lsl     r1, r1, #0x1
080A9000: 4A14    ldr     r2, =#0x000038DC
080A9002: 1898    add     r0, r3, r2
080A9004: 1840    add     r0, r0, r1

080A9006: 8801    ldrh    r1, [r0]
080A9008: 4A13    ldr     r2, =#0x000037D1
080A900A: 1898    add     r0, r3, r2
080A900C: 7001    strb    r1, [r0]
080A900E: 7800    ldrb    r0, [r0]
080A9010: 0080    lsl     r0, r0, #0x2
080A9012: 1818    add     r0, r3, r0
080A9014: 4911    ldr     r1, =#0x0000389C
080A9016: 1840    add     r0, r0, r1
080A9018: 7800    ldrb    r0, [r0]
080A901A: 4911    ldr     r1, =#0x080FF4A8
080A901C: 00C0    lsl     r0, r0, #0x3
080A901E: 1840    add     r0, r0, r1
080A9020: 7800    ldrb    r0, [r0]
080A9022: 06C0    lsl     r0, r0, #0x1B
080A9024: 0EC0    lsr     r0, r0, #0x1B
080A9026: 280A    cmp     r0, #0x0A
080A9028: DC20    bgt     0x080A906C
080A902A: 2806    cmp     r0, #0x06
080A902C: DB1E    blt     0x080A906C
080A902E: 480D    ldr     r0, =#0x000037D3
080A9030: 181A    add     r2, r3, r0
080A9032: 7810    ldrb    r0, [r2]
080A9034: 2108    mov     r1, #0x08
080A9036: 4308    orr     r0, r1
080A9038: 7010    strb    r0, [r2]
080A903A: 4A0B    ldr     r2, =#0x00003AA0
080A903C: 1899    add     r1, r3, r2
080A903E: 2018    mov     r0, #0x18
080A9040: 8008    strh    r0, [r1]
080A9042: 2038    mov     r0, #0x38
080A9044: 8048    strh    r0, [r1, #0x02]
080A9046: 20C0    mov     r0, #0xC0
080A9048: 8088    strh    r0, [r1, #0x04]
080A904A: 2060    mov     r0, #0x60
080A904C: 80C8    strh    r0, [r1, #0x06]
080A904E: E091    b       0x080A9174
;080A9050: 38EC    sub     r0, #0xEC
;080A9052: 0000    lsl     r0, r0, #0x0
;080A9054: 38DC    sub     r0, #0xDC
;080A9056: 0000    lsl     r0, r0, #0x0
;080A9058: 37D1    add     r7, #0xD1
;080A905A: 0000    lsl     r0, r0, #0x0
;080A905C: 389C    sub     r0, #0x9C
;080A905E: 0000    lsl     r0, r0, #0x0
;080A9060: F4A8    bl       
;080A9062: 080F    lsr     r7, r1, #0x0
;080A9064: 37D3    add     r7, #0xD3
;080A9066: 0000    lsl     r0, r0, #0x0
;080A9068: 3AA0    sub     r2, #0xA0
;080A906A: 0000    lsl     r0, r0, #0x0
080A906C: 4803    ldr     r0, =#0x000037D3
080A906E: 181A    add     r2, r3, r0
080A9070: 7811    ldrb    r1, [r2]
080A9072: 2009    mov     r0, #0x09
080A9074: 4240    neg     r0, r0
080A9076: 4008    and     r0, r1
080A9078: 7010    strb    r0, [r2]
080A907A: E07B    b       0x080A9174
080A907C: 37D3    add     r7, #0xD3
080A907E: 0000    lsl     r0, r0, #0x0

; entry 09:080A9080
080A9080: 4905    ldr     r1, =#0x000038EC
080A9082: 1858    add     r0, r3, r1
080A9084: 7801    ldrb    r1, [r0]
080A9086: 0049    lsl     r1, r1, #0x1
080A9088: 4A04    ldr     r2, =#0x000038DC
080A908A: 1898    add     r0, r3, r2
080A908C: 1840    add     r0, r0, r1
080A908E: 8801    ldrh    r1, [r0]
080A9090: 4A03    ldr     r2, =#0x000037D1
080A9092: 1898    add     r0, r3, r2
080A9094: 7001    strb    r1, [r0]
080A9096: E06D    b       0x080A9174
080A9098: 38EC    sub     r0, #0xEC
080A909A: 0000    lsl     r0, r0, #0x0
080A909C: 38DC    sub     r0, #0xDC
080A909E: 0000    lsl     r0, r0, #0x0
080A90A0: 37D1    add     r7, #0xD1
080A90A2: 0000    lsl     r0, r0, #0x0
080A90A4: 4905    ldr     r1, =#0x000037CC
080A90A6: 1858    add     r0, r3, r1
080A90A8: 8800    ldrh    r0, [r0]
080A90AA: 3863    sub     r0, #0x63
080A90AC: 2818    cmp     r0, #0x18
080A90AE: D861    bhi     0x080A9174
080A90B0: 0080    lsl     r0, r0, #0x2
080A90B2: 4903    ldr     r1, =#0x080A90C4
080A90B4: 1840    add     r0, r0, r1
080A90B6: 6800    ldr     r0, [r0]
080A90B8: 4687    mov     pc, r0

;080A90BA: 0000    lsl     r0, r0, #0x0
;080A90BC: 37CC    add     r7, #0xCC
;080A90BE: 0000    lsl     r0, r0, #0x0
;080A90C0: 90C4    str     r0, [sp, #0x310]
;080A90C2: 080A    lsr     r2, r1, #0x0

; JUMP TABLE
; entry a00:080A9128
; entry a01-a12:080A9174 exit
; entry a13:080A8FDA
; entry a14:080A916A
; entry a15:080A9174 exit

;080A90C4: 9128    str     r1, [sp, #0x0A0]
;080A90C6: 080A    lsr     r2, r1, #0x0
;080A90C8: 9174    str     r1, [sp, #0x1D0]
;080A90CA: 080A    lsr     r2, r1, #0x0
;080A90CC: 9174    str     r1, [sp, #0x1D0]
;080A90CE: 080A    lsr     r2, r1, #0x0
;080A90D0: 9174    str     r1, [sp, #0x1D0]
;080A90D2: 080A    lsr     r2, r1, #0x0
;080A90D4: 9174    str     r1, [sp, #0x1D0]
;080A90D6: 080A    lsr     r2, r1, #0x0
;080A90D8: 9174    str     r1, [sp, #0x1D0]
;080A90DA: 080A    lsr     r2, r1, #0x0
;080A90DC: 9174    str     r1, [sp, #0x1D0]
;080A90DE: 080A    lsr     r2, r1, #0x0
;080A90E0: 9174    str     r1, [sp, #0x1D0]
;080A90E2: 080A    lsr     r2, r1, #0x0
;080A90E4: 9174    str     r1, [sp, #0x1D0]
;080A90E6: 080A    lsr     r2, r1, #0x0
;080A90E8: 9174    str     r1, [sp, #0x1D0]
;080A90EA: 080A    lsr     r2, r1, #0x0
;080A90EC: 9174    str     r1, [sp, #0x1D0]
;080A90EE: 080A    lsr     r2, r1, #0x0
;080A90F0: 9174    str     r1, [sp, #0x1D0]
;080A90F2: 080A    lsr     r2, r1, #0x0
;080A90F4: 9174    str     r1, [sp, #0x1D0]
;080A90F6: 080A    lsr     r2, r1, #0x0
;080A90F8: 9174    str     r1, [sp, #0x1D0]
;080A90FA: 080A    lsr     r2, r1, #0x0
;080A90FC: 9174    str     r1, [sp, #0x1D0]
;080A90FE: 080A    lsr     r2, r1, #0x0
;080A9100: 9174    str     r1, [sp, #0x1D0]
;080A9102: 080A    lsr     r2, r1, #0x0
;080A9104: 9174    str     r1, [sp, #0x1D0]
;080A9106: 080A    lsr     r2, r1, #0x0
;080A9108: 9174    str     r1, [sp, #0x1D0]
;080A910A: 080A    lsr     r2, r1, #0x0
;080A910C: 9174    str     r1, [sp, #0x1D0]
;080A910E: 080A    lsr     r2, r1, #0x0
;080A9110: 8FDA    ldrh    r2, [r3, #0x3E]
;080A9112: 080A    lsr     r2, r1, #0x0
;080A9114: 916A    str     r1, [sp, #0x1A8]
;080A9116: 080A    lsr     r2, r1, #0x0
;080A9118: 9174    str     r1, [sp, #0x1D0]
;080A911A: 080A    lsr     r2, r1, #0x0

080A911C: 8FDA    ldrh    r2, [r3, #0x3E]
080A911E: 080A    lsr     r2, r1, #0x0
080A9120: 8FDA    ldrh    r2, [r3, #0x3E]
080A9122: 080A    lsr     r2, r1, #0x0
080A9124: 9140    str     r1, [sp, #0x100]
080A9126: 080A    lsr     r2, r1, #0x0

; entry a00:
080A9128: 4904    ldr     r1, =#0x020361B4
080A912A: 201C    mov     r0, #0x1C
080A912C: 8008    strh    r0, [r1]
080A912E: 2038    mov     r0, #0x38
080A9130: 8048    strh    r0, [r1, #0x02]
080A9132: 20C0    mov     r0, #0xC0
080A9134: 8088    strh    r0, [r1, #0x04]
080A9136: 2030    mov     r0, #0x30
080A9138: 80C8    strh    r0, [r1, #0x06]
080A913A: E01B    b       0x080A9174
080A913C: 61B4    str     r4, [r6, #0x18]
080A913E: 0203    lsl     r3, r0, #0x8
080A9140: 4804    ldr     r0, =#0x00003AA0
080A9142: 1819    add     r1, r3, r0
080A9144: 8808    ldrh    r0, [r1]
080A9146: 3810    sub     r0, #0x10
080A9148: 8008    strh    r0, [r1]
080A914A: 4A03    ldr     r2, =#0x00003AA4
080A914C: 1899    add     r1, r3, r2
080A914E: 8808    ldrh    r0, [r1]
080A9150: 3010    add     r0, #0x10
080A9152: E00E    b       0x080A9172
080A9154: 3AA0    sub     r2, #0xA0
080A9156: 0000    lsl     r0, r0, #0x0
080A9158: 3AA4    sub     r2, #0xA4
080A915A: 0000    lsl     r0, r0, #0x0
080A915C: 4907    ldr     r1, =#0x000037CC
080A915E: 1858    add     r0, r3, r1
080A9160: 8800    ldrh    r0, [r0]
080A9162: 285F    cmp     r0, #0x5F
080A9164: D001    beq     0x080A916A
080A9166: 2861    cmp     r0, #0x61
080A9168: D104    bne     0x080A9174
080A916A: 4A05    ldr     r2, =#0x00003AA0
080A916C: 1899    add     r1, r3, r2
080A916E: 8808    ldrh    r0, [r1]
080A9170: 3808    sub     r0, #0x08
080A9172: 8008    strh    r0, [r1]

; entry 03,05,06:080A9174
; entry a01-a12:080A9174 exit
; entry a15:080A9174
080A9174: BCF0    pop     {r4, r5, r6, r7}
080A9176: BC01    pop     {r0}
080A9178: 4700    bx      r0
;080A917A: 0000    lsl     r0, r0, #0x0
;080A917C: 37CC    add     r7, #0xCC
;080A917E: 0000    lsl     r0, r0, #0x0
;080A9180: 3AA0    sub     r2, #0xA0
;080A9182: 0000    lsl     r0, r0, #0x0

$080A9318 - ?

This is called from $080A7BE8 (maybe from others, later, too). Coming from $080A7BE8, r0 contains the address $02032714 and r1 = #$00.

In that case, this subroutine does the following:

  • It stores #$FFFF in $02036120-F
  • It stores #$0001 in $02036130-F
  • It stores #$00 in $02036156
  • It stores the value that was originally in r1 in $02036157 (here: #$00)
  • It stores #$00 in $02036158
  • It clears Bit 0 in $02036159
  • It stores #$0000 in $02036140-7
080A9318: B5F0    push    {r4, r5, r6, r7, lr}
080A931A: 464F    mov     r7, r9
080A931C: 4646    mov     r6, r8
080A931E: B4C0    push    {r6, r7}

080A9320: 1C04    add     r4, r0, #0x0					; r4 = Orig. r0 (#$02032714)
080A9322: 0409    lsl     r1, r1, #0x10					; r1 AND #$0000FFFF
080A9324: 0C09    lsr     r1, r1, #0x10
080A9326: 4688    mov     r8, r1					; r8 = Orig. r1
080A9328: 2300    mov     r3, #0x00					; Setup Loop Counter
080A932A: 481D    ldr     r0, =#0x00003A0C
080A932C: 1826    add     r6, r4, r0					; r6 = Orig. r0 + #$3A0C (#$02036120)
080A932E: 491D    ldr     r1, =#0x0000FFFF
080A9330: 468C    mov     r12, r1					; r12 = #$0000FFFF
080A9332: 4A1D    ldr     r2, =#0x00003A1C
080A9334: 18A5    add     r5, r4, r2					; r5 = Orig. r0 + #$3A1C (#$02036130)
080A9336: 2701    mov     r7, #0x01
080A9338: 46B9    mov     r9, r7

080A933A: 0059    lsl     r1, r3, #0x1					; r1 = Loop Counter * 2
080A933C: 1872    add     r2, r6, r1					; r2 = r6 + Loop Counter * 2 (#$02036120 + LC*2)
080A933E: 8810    ldrh    r0, [r2]					; Load value from r2
080A9340: 4667    mov     r7, r12					; r7 = #$0000FFFF
080A9342: 4338    orr     r0, r7					; Set Lower Bits of the Double Byte(?)
080A9344: 8010    strh    r0, [r2]					; Store #$FFFF back(?)
080A9346: 1869    add     r1, r5, r1					; r1 = r5 + Loop Counter * 2 (#$02036130 + LC*2)
080A9348: 4648    mov     r0, r9					; r0 = #$0001
080A934A: 8008    strh    r0, [r1]					; Store #$0001 back
080A934C: 1C58    add     r0, r3, #0x1					; INC Loop Counter
080A934E: 0400    lsl     r0, r0, #0x10					; Loop Counter AND #$0000FFFF
080A9350: 0C03    lsr     r3, r0, #0x10
080A9352: 2B07    cmp     r3, #0x07
080A9354: D9F1    bls     0x080A933A					; Loop until Loop Counter > #$07

080A9356: 4915    ldr     r1, =#0x00003A42
080A9358: 1860    add     r0, r4, r1					; r0 = Orig. r0 + #$3A42 (#$02036156)
080A935A: 2100    mov     r1, #0x00
080A935C: 7001    strb    r1, [r0]					; (Clear $02036156)
080A935E: 4A14    ldr     r2, =#0x00003A43
080A9360: 18A0    add     r0, r4, r2					; r0 = Orig. r0 + #$3A43 (#$02036157)
080A9362: 4647    mov     r7, r8
080A9364: 7007    strb    r7, [r0]					; Store Original r1 in r0 ($02036157)
080A9366: 3201    add     r2, #0x01
080A9368: 18A0    add     r0, r4, r2					; r0 = Orig. r0 + #$3A44 (#$02036158)
080A936A: 7001    strb    r1, [r0]					; (Clear $02036158)
080A936C: 4F11    ldr     r7, =#0x00003A45
080A936E: 19E2    add     r2, r4, r7					; r0 = Orig. r0 + #$3A45 (#$02036159)
080A9370: 7811    ldrb    r1, [r2]
080A9372: 2002    mov     r0, #0x02
080A9374: 4240    neg     r0, r0
080A9376: 4008    and     r0, r1					; Remove Bit 0
080A9378: 7010    strb    r0, [r2]					; Store value back (in #$02036159)
080A937A: 2300    mov     r3, #0x00
080A937C: 480E    ldr     r0, =#0x00003A2C
080A937E: 1822    add     r2, r4, r0					; r2 = Orig. r0 + #$3A2C (#$02036140)
080A9380: 2100    mov     r1, #0x00					; r1 = #$00000000

080A9382: 0058    lsl     r0, r3, #0x1					; r0 = Loop Counter * 2
080A9384: 1810    add     r0, r2, r0
080A9386: 8001    strh    r1, [r0]					; Store #$0000 in r0
080A9388: 1C58    add     r0, r3, #0x1					; Increment Loop Counter
080A938A: 0400    lsl     r0, r0, #0x10					; Loop Counter AND #$0000FFFF
080A938C: 0C03    lsr     r3, r0, #0x10
080A938E: 2B04    cmp     r3, #0x04
080A9390: D9F7    bls     0x080A9382					; Loop until Loop Counter > #$04

080A9392: BC18    pop     {r3, r4}
080A9394: 4698    mov     r8, r3
080A9396: 46A1    mov     r9, r4
080A9398: BCF0    pop     {r4, r5, r6, r7}
080A939A: BC01    pop     {r0}
080A939C: 4700    bx      r0

;080A939E: 0000    lsl     r0, r0, #0x0
;080A93A0: 3A0C    sub     r2, #0x0C
;080A93A2: 0000    lsl     r0, r0, #0x0
;080A93A4: FFFF    bl      0x080AA3A4
;080A93A6: 0000    lsl     r0, r0, #0x0
;080A93A8: 3A1C    sub     r2, #0x1C
;080A93AA: 0000    lsl     r0, r0, #0x0
;080A93AC: 3A42    sub     r2, #0x42
;080A93AE: 0000    lsl     r0, r0, #0x0
;080A93B0: 3A43    sub     r2, #0x43
;080A93B2: 0000    lsl     r0, r0, #0x0
;080A93B4: 3A45    sub     r2, #0x45
;080A93B6: 0000    lsl     r0, r0, #0x0
;080A93B8: 3A2C    sub     r2, #0x2C
;080A93BA: 0000    lsl     r0, r0, #0x0

$080A93BC - ?

This is called from $080A7BE8. If it is, the address in r0 is $02032714.

In that case, this changes the registers between $02036018 and $02036057. It sets two byte to #$FFFF, leaves two byte out, sets two byte to #$FFFF again and so on. After that, it jumps to an address from a jump table.

080A93BC: B510    push    {r4, lr}

080A93BE: 1C03    add     r3, r0, #0x0				; r3 = Orig. r0 (#$02032714)
080A93C0: 4810    ldr     r0, =#0x00003904
080A93C2: 1819    add     r1, r3, r0				; r1 = Orig. r0 + #$3904 (#$02036018)
080A93C4: 2200    mov     r2, #0x00				; Set up Loop Counter
080A93C6: 4810    ldr     r0, =#0x0000FFFF
080A93C8: 1C04    add     r4, r0, #0x0
 
080A93CA: 8808    ldrh    r0, [r1]
080A93CC: 4320    orr     r0, r4
080A93CE: 8008    strh    r0, [r1]				; Store #$FFFF in r1 (#$02036018 + Loop Counter * 4)
080A93D0: 1C50    add     r0, r2, #0x1				; INC Loop Counter
080A93D2: 0400    lsl     r0, r0, #0x10				; Loop Counter AND #$0000FFFF
080A93D4: 0C02    lsr     r2, r0, #0x10
080A93D6: 3104    add     r1, #0x04				; INC Load Store address
080A93D8: 2A41    cmp     r2, #0x41
080A93DA: D9F6    bls     0x080A93CA

080A93DC: 490B    ldr     r1, =#0x00003A44
080A93DE: 1858    add     r0, r3, r1				; r1 = Orig. r0 + #$3A44 (#$02036158)
080A93E0: 7800    ldrb    r0, [r0]				; Load the Index for the jump Table. Bits 4 to 6 of the loaded Byte form the Index.
080A93E2: 0601    lsl     r1, r0, #0x18				; If Bit 7 is set, the value is invalid and the Jump Table-segment is left out.
080A93E4: 0F08    lsr     r0, r1, #0x1C
080A93E6: 2804    cmp     r0, #0x04
080A93E8: D808    bhi     0x080A93FC				; Exit if r0 > #$04

080A93EA: 4809    ldr     r0, =#0x086996E0			; Address Table address
080A93EC: 0F09    lsr     r1, r1, #0x1C				; Above the >>#$1C was done for comparison (r0), here it is done with the real value (r1)
080A93EE: 0089    lsl     r1, r1, #0x2				; multiplied by 4 (each entry in the table is an 32-bit-address)
080A93F0: 1809    add     r1, r1, r0				; r1 = Offset + Index
080A93F2: 4A08    ldr     r2, =#0x000038F4
080A93F4: 1898    add     r0, r3, r2				; r0 = Orig. r0 + #$38F4 (#$02036008)
080A93F6: 6809    ldr     r1, [r1]				; Load the address where to jump in r1
080A93F8: F017    bl       
080A93FA: F8B6    bl      0x080C0568				; bx r1

080A93FC: BC10    pop     {r4}
080A93FE: BC01    pop     {r0}
080A9400: 4700    bx      r0

;080A9402: 0000    lsl     r0, r0, #0x0
;080A9404: 3904    sub     r1, #0x04
;080A9406: 0000    lsl     r0, r0, #0x0
;080A9408: FFFF    bl      0x080AA408
;080A940A: 0000    lsl     r0, r0, #0x0
;080A940C: 3A44    sub     r2, #0x44
;080A940E: 0000    lsl     r0, r0, #0x0
;080A9410: 96E0    str     r6, [sp, #0x380]
;080A9412: 0869    lsr     r1, r5, #0x1
;080A9414: 38F4    sub     r0, #0xF4
;080A9416: 0000    lsl     r0, r0, #0x0

$080AFD60 - ?

080AFD60: B5F0    push    {r4, r5, r6, r7, lr}
080AFD62: 4657    mov     r7, r10
080AFD64: 464E    mov     r6, r9
080AFD66: 4645    mov     r5, r8
080AFD68: B4E0    push    {r5, r6, r7}
080AFD6A: B088    add     sp, #-0x020

080AFD6C: 1C07    add     r7, r0, #0x0			; r7 = r0
080AFD6E: 0409    lsl     r1, r1, #0x10
080AFD70: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFD72: 9106    str     r1, [sp, #0x018]
080AFD74: 4898    ldr     r0, =#0x080C3348
080AFD76: F001    bl       
080AFD78: F9AB    bl      0x080B10D0				; ?
080AFD7A: 2002    mov     r0, #0x02
080AFD7C: 2100    mov     r1, #0x00
080AFD7E: F00D    bl       
080AFD80: FCD5    bl      0x080BD72C				; ?
080AFD82: 4996    ldr     r1, =#0x00003820
080AFD84: 1878    add     r0, r7, r1
080AFD86: 8800    ldrh    r0, [r0]				; r0 = [Orig. r0 + #$3820]
080AFD88: 2801    cmp     r0, #0x01
080AFD8A: D800    bhi     0x080AFD8E
080AFD8C: E138    b       0x080B0000

080AFD8E: 4A94    ldr     r2, =#0x00003826
080AFD90: 18B8    add     r0, r7, r2
080AFD92: 7801    ldrb    r1, [r0]
080AFD94: 2004    mov     r0, #0x04
080AFD96: 4008    and     r0, r1
080AFD98: 2800    cmp     r0, #0x00				; Is Bit 2 of [Orig. r0 + #$3826] set?
080AFD9A: D100    bne     0x080AFD9E
080AFD9C: E130    b       0x080B0000

080AFD9E: 4B91    ldr     r3, =#0x02032700
080AFDA0: 6858    ldr     r0, [r3, #0x04]			; r0 = $02032704 (Tilemap buffer address?)
080AFDA2: 4D91    ldr     r5, =#0x00001F04
080AFDA4: 1940    add     r0, r0, r5
080AFDA6: 8800    ldrh    r0, [r0]
080AFDA8: 9007    str     r0, [sp, #0x01C]
080AFDAA: 4C90    ldr     r4, =#0x080C2EAC
080AFDAC: 4890    ldr     r0, =#0x00003AB0
080AFDAE: 183E    add     r6, r7, r0
080AFDB0: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFDB2: 311E    add     r1, #0x1E
080AFDB4: 0409    lsl     r1, r1, #0x10
080AFDB6: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFDB8: 4A8E    ldr     r2, =#0x00003AB2
080AFDBA: 18BD    add     r5, r7, r2
080AFDBC: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFDBE: 3207    add     r2, #0x07
080AFDC0: 0412    lsl     r2, r2, #0x10
080AFDC2: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFDC4: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFDC6: 2320    mov     r3, #0x20
080AFDC8: F001    bl       
080AFDCA: F916    bl      0x080B0FF8				; ?
080AFDCC: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFDCE: 3020    add     r0, #0x20				; r0 = #$080C2ECC
080AFDD0: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFDD2: 3150    add     r1, #0x50
080AFDD4: 0409    lsl     r1, r1, #0x10
080AFDD6: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFDD8: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFDDA: 3207    add     r2, #0x07
080AFDDC: 0412    lsl     r2, r2, #0x10
080AFDDE: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFDE0: 2320    mov     r3, #0x20
080AFDE2: F001    bl       
080AFDE4: F909    bl      0x080B0FF8				; ?
080AFDE6: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFDE8: 3010    add     r0, #0x10				; r0 = #$080C2EBC
080AFDEA: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFDEC: 311E    add     r1, #0x1E
080AFDEE: 0409    lsl     r1, r1, #0x10
080AFDF0: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFDF2: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFDF4: 3218    add     r2, #0x18
080AFDF6: 0412    lsl     r2, r2, #0x10
080AFDF8: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFDFA: 2320    mov     r3, #0x20
080AFDFC: F001    bl       
080AFDFE: F8FC    bl      0x080B0FF8				; ?
080AFE00: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFE02: 3030    add     r0, #0x30				; r0 = #$080C2EDC
080AFE04: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFE06: 3150    add     r1, #0x50
080AFE08: 0409    lsl     r1, r1, #0x10
080AFE0A: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFE0C: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFE0E: 3218    add     r2, #0x18
080AFE10: 0412    lsl     r2, r2, #0x10
080AFE12: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFE14: 2320    mov     r3, #0x20
080AFE16: F001    bl       
080AFE18: F8EF    bl      0x080B0FF8				; ?
080AFE1A: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFE1C: 3040    add     r0, #0x40				; r0 = #$080C2EEC
080AFE1E: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFE20: 3182    add     r1, #0x82
080AFE22: 0409    lsl     r1, r1, #0x10
080AFE24: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFE26: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFE28: 3218    add     r2, #0x18
080AFE2A: 0412    lsl     r2, r2, #0x10
080AFE2C: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFE2E: 2320    mov     r3, #0x20
080AFE30: F001    bl       
080AFE32: F8E2    bl      0x080B0FF8				; ?
080AFE34: 1C20    add     r0, r4, #0x0			; r0 = #$080C2EAC
080AFE36: 3860    sub     r0, #0x60				; r0 = #$080C2F0C
080AFE38: 8831    ldrh    r1, [r6]				; r1 = [Orig. r0 + #$3AB0]
080AFE3A: 31A4    add     r1, #0xA4
080AFE3C: 0409    lsl     r1, r1, #0x10
080AFE3E: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080AFE40: 882A    ldrh    r2, [r5]				; r2 = [Orig. r0 + #$3AB2]
080AFE42: 3216    add     r2, #0x16
080AFE44: 0412    lsl     r2, r2, #0x10
080AFE46: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080AFE48: 2320    mov     r3, #0x20
080AFE4A: F001    bl       
080AFE4C: F8D5    bl      0x080B0FF8				; ?
080AFE4E: 4B6A    ldr     r3, =#0x00003822
080AFE50: 19DB    add     r3, r3, r7				; r3 = Orig. r0 + #$3822
080AFE52: 4698    mov     r8, r3				; r8 = Orig. r0 + #$3822
080AFE54: 8818    ldrh    r0, [r3]				; r0 = [Orig. r0 + #$3822] (Some Table Index)
080AFE56: 00C0    lsl     r0, r0, #0x3			; Each Table Entry is 8 Bytes in Size
080AFE58: 4968    ldr     r1, =#0x080FF4A8		; Table Address
080AFE5A: 1840    add     r0, r0, r1
080AFE5C: 8800    ldrh    r0, [r0]				; Load first double byte
080AFE5E: 04C0    lsl     r0, r0, #0x13
080AFE60: 0E02    lsr     r2, r0, #0x18
080AFE62: 230C    mov     r3, #0x0C
080AFE64: 2A00    cmp     r2, #0x00
080AFE66: D100    bne     0x080AFE6A
080AFE68: 2307    mov     r3, #0x07
080AFE6A: 8830    ldrh    r0, [r6]
080AFE6C: 3030    add     r0, #0x30
080AFE6E: 0400    lsl     r0, r0, #0x10
080AFE70: 0C00    lsr     r0, r0, #0x10
080AFE72: 8829    ldrh    r1, [r5]
080AFE74: 3105    add     r1, #0x05
080AFE76: 0409    lsl     r1, r1, #0x10
080AFE78: 0C09    lsr     r1, r1, #0x10
080AFE7A: 468C    mov     r12, r1
080AFE7C: 2402    mov     r4, #0x02
080AFE7E: 9400    str     r4, [sp]
080AFE80: 21A0    mov     r1, #0xA0
080AFE82: 0089    lsl     r1, r1, #0x2
080AFE84: 9101    str     r1, [sp, #0x004]
080AFE86: 9302    str     r3, [sp, #0x008]
080AFE88: 9403    str     r4, [sp, #0x00C]
080AFE8A: 2300    mov     r3, #0x00
080AFE8C: 469A    mov     r10, r3
080AFE8E: 9304    str     r3, [sp, #0x010]
080AFE90: 2101    mov     r1, #0x01
080AFE92: 4689    mov     r9, r1
080AFE94: 9105    str     r1, [sp, #0x014]
080AFE96: 4661    mov     r1, r12
080AFE98: 2302    mov     r3, #0x02
080AFE9A: F002    bl       
080AFE9C: FBEB    bl      0x080B2674
080AFE9E: 4642    mov     r2, r8
080AFEA0: 8810    ldrh    r0, [r2]
080AFEA2: 00C0    lsl     r0, r0, #0x3
080AFEA4: 4B55    ldr     r3, =#0x080FF4A8
080AFEA6: 18C0    add     r0, r0, r3
080AFEA8: 78C2    ldrb    r2, [r0, #0x03]
080AFEAA: 0952    lsr     r2, r2, #0x5
080AFEAC: 7900    ldrb    r0, [r0, #0x04]
080AFEAE: 211F    mov     r1, #0x1F
080AFEB0: 4008    and     r0, r1
080AFEB2: 00C3    lsl     r3, r0, #0x3
080AFEB4: 4313    orr     r3, r2
080AFEB6: 220C    mov     r2, #0x0C
080AFEB8: 2B00    cmp     r3, #0x00
080AFEBA: D100    bne     0x080AFEBE
080AFEBC: 2207    mov     r2, #0x07
080AFEBE: 8830    ldrh    r0, [r6]
080AFEC0: 3062    add     r0, #0x62
080AFEC2: 0400    lsl     r0, r0, #0x10
080AFEC4: 0C00    lsr     r0, r0, #0x10
080AFEC6: 8829    ldrh    r1, [r5]
080AFEC8: 3105    add     r1, #0x05
080AFECA: 0409    lsl     r1, r1, #0x10
080AFECC: 0C09    lsr     r1, r1, #0x10
080AFECE: 468C    mov     r12, r1
080AFED0: 9400    str     r4, [sp]
080AFED2: 21A0    mov     r1, #0xA0
080AFED4: 0089    lsl     r1, r1, #0x2
080AFED6: 9101    str     r1, [sp, #0x004]
080AFED8: 9202    str     r2, [sp, #0x008]
080AFEDA: 9403    str     r4, [sp, #0x00C]
080AFEDC: 4652    mov     r2, r10
080AFEDE: 9204    str     r2, [sp, #0x010]
080AFEE0: 4649    mov     r1, r9
080AFEE2: 9105    str     r1, [sp, #0x014]
080AFEE4: 4661    mov     r1, r12
080AFEE6: 1C1A    add     r2, r3, #0x0
080AFEE8: 2302    mov     r3, #0x02
080AFEEA: F002    bl       
080AFEEC: FBC3    bl      0x080B2674
080AFEEE: 4642    mov     r2, r8
080AFEF0: 8810    ldrh    r0, [r2]
080AFEF2: 00C0    lsl     r0, r0, #0x3
080AFEF4: 4B41    ldr     r3, =#0x080FF4A8
080AFEF6: 18C0    add     r0, r0, r3
080AFEF8: 8840    ldrh    r0, [r0, #0x02]
080AFEFA: 04C0    lsl     r0, r0, #0x13
080AFEFC: 0E02    lsr     r2, r0, #0x18
080AFEFE: 230C    mov     r3, #0x0C
080AFF00: 2A00    cmp     r2, #0x00
080AFF02: D100    bne     0x080AFF06
080AFF04: 2307    mov     r3, #0x07
080AFF06: 8830    ldrh    r0, [r6]
080AFF08: 3030    add     r0, #0x30
080AFF0A: 0400    lsl     r0, r0, #0x10
080AFF0C: 0C00    lsr     r0, r0, #0x10
080AFF0E: 8829    ldrh    r1, [r5]
080AFF10: 3116    add     r1, #0x16
080AFF12: 0409    lsl     r1, r1, #0x10
080AFF14: 0C09    lsr     r1, r1, #0x10
080AFF16: 468C    mov     r12, r1
080AFF18: 9400    str     r4, [sp]
080AFF1A: 21A0    mov     r1, #0xA0
080AFF1C: 0089    lsl     r1, r1, #0x2
080AFF1E: 9101    str     r1, [sp, #0x004]
080AFF20: 9302    str     r3, [sp, #0x008]
080AFF22: 9403    str     r4, [sp, #0x00C]
080AFF24: 4653    mov     r3, r10
080AFF26: 9304    str     r3, [sp, #0x010]
080AFF28: 4649    mov     r1, r9
080AFF2A: 9105    str     r1, [sp, #0x014]
080AFF2C: 4661    mov     r1, r12
080AFF2E: 2302    mov     r3, #0x02
080AFF30: F002    bl       
080AFF32: FBA0    bl      0x080B2674
080AFF34: 4642    mov     r2, r8
080AFF36: 8810    ldrh    r0, [r2]
080AFF38: 00C0    lsl     r0, r0, #0x3
080AFF3A: 4B30    ldr     r3, =#0x080FF4A8
080AFF3C: 18C0    add     r0, r0, r3
080AFF3E: 6800    ldr     r0, [r0]
080AFF40: 02C0    lsl     r0, r0, #0xB
080AFF42: 0E02    lsr     r2, r0, #0x18
080AFF44: 230C    mov     r3, #0x0C
080AFF46: 2A00    cmp     r2, #0x00
080AFF48: D100    bne     0x080AFF4C
080AFF4A: 2307    mov     r3, #0x07
080AFF4C: 8830    ldrh    r0, [r6]
080AFF4E: 3062    add     r0, #0x62
080AFF50: 0400    lsl     r0, r0, #0x10
080AFF52: 0C00    lsr     r0, r0, #0x10
080AFF54: 8829    ldrh    r1, [r5]
080AFF56: 3116    add     r1, #0x16
080AFF58: 0409    lsl     r1, r1, #0x10
080AFF5A: 0C09    lsr     r1, r1, #0x10
080AFF5C: 468C    mov     r12, r1
080AFF5E: 9400    str     r4, [sp]
080AFF60: 21A0    mov     r1, #0xA0
080AFF62: 0089    lsl     r1, r1, #0x2
080AFF64: 9101    str     r1, [sp, #0x004]
080AFF66: 9302    str     r3, [sp, #0x008]
080AFF68: 9403    str     r4, [sp, #0x00C]
080AFF6A: 4653    mov     r3, r10
080AFF6C: 9304    str     r3, [sp, #0x010]
080AFF6E: 4649    mov     r1, r9
080AFF70: 9105    str     r1, [sp, #0x014]
080AFF72: 4661    mov     r1, r12
080AFF74: 2302    mov     r3, #0x02
080AFF76: F002    bl       
080AFF78: FB7D    bl      0x080B2674
080AFF7A: 4642    mov     r2, r8
080AFF7C: 8810    ldrh    r0, [r2]
080AFF7E: 00C0    lsl     r0, r0, #0x3
080AFF80: 4B1E    ldr     r3, =#0x080FF4A8
080AFF82: 18C0    add     r0, r0, r3
080AFF84: 8880    ldrh    r0, [r0, #0x04]
080AFF86: 04C0    lsl     r0, r0, #0x13
080AFF88: 0E02    lsr     r2, r0, #0x18
080AFF8A: 230C    mov     r3, #0x0C
080AFF8C: 2A00    cmp     r2, #0x00
080AFF8E: D100    bne     0x080AFF92
080AFF90: 2307    mov     r3, #0x07
080AFF92: 8830    ldrh    r0, [r6]
080AFF94: 3094    add     r0, #0x94
080AFF96: 0400    lsl     r0, r0, #0x10
080AFF98: 0C00    lsr     r0, r0, #0x10
080AFF9A: 8829    ldrh    r1, [r5]
080AFF9C: 3116    add     r1, #0x16
080AFF9E: 0409    lsl     r1, r1, #0x10
080AFFA0: 0C09    lsr     r1, r1, #0x10
080AFFA2: 9400    str     r4, [sp]
080AFFA4: 25A0    mov     r5, #0xA0
080AFFA6: 00AD    lsl     r5, r5, #0x2
080AFFA8: 9501    str     r5, [sp, #0x004]
080AFFAA: 9302    str     r3, [sp, #0x008]
080AFFAC: 9403    str     r4, [sp, #0x00C]
080AFFAE: 4653    mov     r3, r10
080AFFB0: 9304    str     r3, [sp, #0x010]
080AFFB2: 464D    mov     r5, r9
080AFFB4: 9505    str     r5, [sp, #0x014]
080AFFB6: 2302    mov     r3, #0x02
080AFFB8: F002    bl       
080AFFBA: FB5C    bl      0x080B2674
080AFFBC: 4909    ldr     r1, =#0x02032700
080AFFBE: 6848    ldr     r0, [r1, #0x04]
080AFFC0: 4A09    ldr     r2, =#0x00001F04
080AFFC2: 1880    add     r0, r0, r2
080AFFC4: 8800    ldrh    r0, [r0]
080AFFC6: 9B07    ldr     r3, [sp, #0x01C]
080AFFC8: 1AC0    sub     r0, r0, r3
080AFFCA: 0400    lsl     r0, r0, #0x10
080AFFCC: 0C00    lsr     r0, r0, #0x10
080AFFCE: 2100    mov     r1, #0x00
080AFFD0: F00D    bl       
080AFFD2: FBAC    bl      0x080BD72C
080AFFD4: E02D    b       0x080B0032

;080AFFD6: 0000    lsl     r0, r0, #0x0
;080AFFD8: 3348    add     r3, #0x48
;080AFFDA: 080C    lsr     r4, r1, #0x0
;080AFFDC: 3820    sub     r0, #0x20
;080AFFDE: 0000    lsl     r0, r0, #0x0
;080AFFE0: 3826    sub     r0, #0x26
;080AFFE2: 0000    lsl     r0, r0, #0x0
;080AFFE4: 2700    mov     r7, #0x00
;080AFFE6: 0203    lsl     r3, r0, #0x8
;080AFFE8: 1F04    sub     r4, r0, #0x4
;080AFFEA: 0000    lsl     r0, r0, #0x0
;080AFFEC: 2EAC    cmp     r6, #0xAC
;080AFFEE: 080C    lsr     r4, r1, #0x0
;080AFFF0: 3AB0    sub     r2, #0xB0
;080AFFF2: 0000    lsl     r0, r0, #0x0
;080AFFF4: 3AB2    sub     r2, #0xB2
;080AFFF6: 0000    lsl     r0, r0, #0x0
;080AFFF8: 3822    sub     r0, #0x22
;080AFFFA: 0000    lsl     r0, r0, #0x0
;080AFFFC: F4A8    bl       
;080AFFFE: 080F    lsr     r7, r1, #0x0

080B0000: 4D2C    ldr     r5, =#0x00003AB0
080B0002: 1978    add     r0, r7, r5
080B0004: 8800    ldrh    r0, [r0]
080B0006: 300E    add     r0, #0x0E
080B0008: 0400    lsl     r0, r0, #0x10
080B000A: 0C00    lsr     r0, r0, #0x10
080B000C: 4A2A    ldr     r2, =#0x00003AB2
080B000E: 18B9    add     r1, r7, r2
080B0010: 8809    ldrh    r1, [r1]
080B0012: 310A    add     r1, #0x0A
080B0014: 0409    lsl     r1, r1, #0x10
080B0016: 0C09    lsr     r1, r1, #0x10
080B0018: 4B28    ldr     r3, =#0x000037E0
080B001A: 18FA    add     r2, r7, r3
080B001C: 2301    mov     r3, #0x01
080B001E: 425B    neg     r3, r3
080B0020: 24E4    mov     r4, #0xE4
080B0022: 9400    str     r4, [sp]
080B0024: 240F    mov     r4, #0x0F
080B0026: 9401    str     r4, [sp, #0x004]
080B0028: 2400    mov     r4, #0x00
080B002A: 9402    str     r4, [sp, #0x008]
080B002C: 9403    str     r4, [sp, #0x00C]
080B002E: F005    bl       
080B0030: FC5F    bl      0x080B58F0
080B0032: 4D23    ldr     r5, =#0x00003820
080B0034: 197C    add     r4, r7, r5
080B0036: 8820    ldrh    r0, [r4]
080B0038: 2800    cmp     r0, #0x00
080B003A: D015    beq     0x080B0068
080B003C: 4821    ldr     r0, =#0x080C307C
080B003E: 4A1D    ldr     r2, =#0x00003AB0
080B0040: 18B9    add     r1, r7, r2
080B0042: 8809    ldrh    r1, [r1]
080B0044: 31B2    add     r1, #0xB2
080B0046: 0409    lsl     r1, r1, #0x10
080B0048: 0C09    lsr     r1, r1, #0x10
080B004A: 4D1B    ldr     r5, =#0x00003AB2
080B004C: 197B    add     r3, r7, r5
080B004E: 9A06    ldr     r2, [sp, #0x018]
080B0050: 3208    add     r2, #0x08
080B0052: 881B    ldrh    r3, [r3]
080B0054: 18D2    add     r2, r2, r3
080B0056: 0412    lsl     r2, r2, #0x10
080B0058: 0C12    lsr     r2, r2, #0x10
080B005A: 2320    mov     r3, #0x20
080B005C: F000    bl       
080B005E: FFCC    bl      0x080B0FF8
080B0060: 2001    mov     r0, #0x01
080B0062: 2100    mov     r1, #0x00
080B0064: F00D    bl       
080B0066: FB62    bl      0x080BD72C
080B0068: 8820    ldrh    r0, [r4]
080B006A: 3002    add     r0, #0x02
080B006C: 4A16    ldr     r2, =#0x00003824
080B006E: 18B9    add     r1, r7, r2
080B0070: 8809    ldrh    r1, [r1]
080B0072: 4288    cmp     r0, r1
080B0074: DA15    bge     0x080B00A2
080B0076: 4815    ldr     r0, =#0x080C308C
080B0078: 4B0E    ldr     r3, =#0x00003AB0
080B007A: 18F9    add     r1, r7, r3
080B007C: 8809    ldrh    r1, [r1]
080B007E: 31B2    add     r1, #0xB2
080B0080: 0409    lsl     r1, r1, #0x10
080B0082: 0C09    lsr     r1, r1, #0x10
080B0084: 4D0C    ldr     r5, =#0x00003AB2
080B0086: 197B    add     r3, r7, r5
080B0088: 9A06    ldr     r2, [sp, #0x018]
080B008A: 3220    add     r2, #0x20
080B008C: 881B    ldrh    r3, [r3]
080B008E: 18D2    add     r2, r2, r3
080B0090: 0412    lsl     r2, r2, #0x10
080B0092: 0C12    lsr     r2, r2, #0x10
080B0094: 2320    mov     r3, #0x20
080B0096: F000    bl       
080B0098: FFAF    bl      0x080B0FF8
080B009A: 2001    mov     r0, #0x01
080B009C: 2100    mov     r1, #0x00
080B009E: F00D    bl       
080B00A0: FB45    bl      0x080BD72C

080B00A2: B008    add     sp, #0x020
080B00A4: BC38    pop     {r3, r4, r5}
080B00A6: 4698    mov     r8, r3
080B00A8: 46A1    mov     r9, r4
080B00AA: 46AA    mov     r10, r5
080B00AC: BCF0    pop     {r4, r5, r6, r7}
080B00AE: BC01    pop     {r0}
080B00B0: 4700    bx      r0

;080B00B2: 0000    lsl     r0, r0, #0x0
;080B00B4: 3AB0    sub     r2, #0xB0
;080B00B6: 0000    lsl     r0, r0, #0x0
;080B00B8: 3AB2    sub     r2, #0xB2
;080B00BA: 0000    lsl     r0, r0, #0x0
;080B00BC: 37E0    add     r7, #0xE0
;080B00BE: 0000    lsl     r0, r0, #0x0
;080B00C0: 3820    sub     r0, #0x20
;080B00C2: 0000    lsl     r0, r0, #0x0
;080B00C4: 307C    add     r0, #0x7C
;080B00C6: 080C    lsr     r4, r1, #0x0
;080B00C8: 3824    sub     r0, #0x24
;080B00CA: 0000    lsl     r0, r0, #0x0
;080B00CC: 308C    add     r0, #0x8C
;080B00CE: 080C    lsr     r4, r1, #0x0

$080B0FF8 - ?

r0 contains an address, r2 and r3 contain double-byte-sized values.

080B0FF8: B5F0    push    {r4, r5, r6, r7, lr}
080B0FFA: B084    add     sp, #-0x010			; Add bytes to stack

080B0FFC: 0409    lsl     r1, r1, #0x10
080B0FFE: 0C0C    lsr     r4, r1, #0x10			; r4 = Original r1 AND #$0000FFFF
080B1000: 0412    lsl     r2, r2, #0x10
080B1002: 0C12    lsr     r2, r2, #0x10			; r2 AND #$0000FFFF
080B1004: 041B    lsl     r3, r3, #0x10
080B1006: 0C1B    lsr     r3, r3, #0x10			; r3 AND #$0000FFFF
080B1008: 4669    mov     r1, sp
080B100A: C8E0    ldmia   r0!, {r5, r6, r7}
080B100C: C1E0    stmia   r1!, {r5, r6, r7}
080B100E: 6800    ldr     r0, [r0]
080B1010: 6008    str     r0, [r1]
080B1012: 2B1F    cmp     r3, #0x1F
080B1014: D801    bhi     0x080B101A
080B1016: 4668    mov     r0, sp
080B1018: 8083    strh    r3, [r0, #0x04]
080B101A: 4668    mov     r0, sp
080B101C: 8184    strh    r4, [r0, #0x0C]
080B101E: 81C2    strh    r2, [r0, #0x0E]
080B1020: F000    bl       
080B1022: F856    bl      0x080B10D0

080B1024: B004    add     sp, #0x010			; Remove additional bytes on stack
080B1026: BCF0    pop     {r4, r5, r6, r7}
080B1028: BC01    pop     {r0}
080B102A: 4700    bx      r0

$080B10D0 - ?

080B10D0: B5F0    push    {r4, r5, r6, r7, lr}
080B10D2: 1C04    add     r4, r0, #0x0
080B10D4: 8820    ldrh    r0, [r4]
080B10D6: F00C    bl       
080B10D8: FAD5    bl      0x080BD684
080B10DA: 1C03    add     r3, r0, #0x0
080B10DC: 2500    mov     r5, #0x00
080B10DE: 8820    ldrh    r0, [r4]
080B10E0: 4285    cmp     r5, r0
080B10E2: D242    bcs     0x080B116A
080B10E4: 4922    ldr     r1, =#0xFFFFFE00
080B10E6: 468C    mov     r12, r1
080B10E8: 4F22    ldr     r7, =#0xFFFFFC00
080B10EA: 263F    mov     r6, #0x3F
080B10EC: 7A20    ldrb    r0, [r4, #0x08]
080B10EE: 1C01    add     r1, r0, #0x0
080B10F0: 4369    mul     r1, r5
080B10F2: 89A2    ldrh    r2, [r4, #0x0C]
080B10F4: 1889    add     r1, r1, r2
080B10F6: 4A20    ldr     r2, =#0x000001FF
080B10F8: 1C10    add     r0, r2, #0x0
080B10FA: 4001    and     r1, r0
080B10FC: 885A    ldrh    r2, [r3, #0x02]
080B10FE: 4660    mov     r0, r12
080B1100: 4010    and     r0, r2
080B1102: 4308    orr     r0, r1
080B1104: 8058    strh    r0, [r3, #0x02]
080B1106: 7A60    ldrb    r0, [r4, #0x09]
080B1108: 4368    mul     r0, r5
080B110A: 7BA1    ldrb    r1, [r4, #0x0E]
080B110C: 1840    add     r0, r0, r1
080B110E: 7018    strb    r0, [r3]
080B1110: 79A0    ldrb    r0, [r4, #0x06]
080B1112: 1C29    add     r1, r5, #0x0
080B1114: 4341    mul     r1, r0
080B1116: 8862    ldrh    r2, [r4, #0x02]
080B1118: 1889    add     r1, r1, r2
080B111A: 4A18    ldr     r2, =#0x000003FF
080B111C: 1C10    add     r0, r2, #0x0
080B111E: 4001    and     r1, r0
080B1120: 889A    ldrh    r2, [r3, #0x04]
080B1122: 1C38    add     r0, r7, #0x0
080B1124: 4010    and     r0, r2
080B1126: 4308    orr     r0, r1
080B1128: 8098    strh    r0, [r3, #0x04]
080B112A: 79E0    ldrb    r0, [r4, #0x07]
080B112C: 1C29    add     r1, r5, #0x0
080B112E: 4341    mul     r1, r0
080B1130: 88A0    ldrh    r0, [r4, #0x04]
080B1132: 1809    add     r1, r1, r0
080B1134: 0109    lsl     r1, r1, #0x4
080B1136: 795A    ldrb    r2, [r3, #0x05]
080B1138: 200F    mov     r0, #0x0F
080B113A: 4010    and     r0, r2
080B113C: 4308    orr     r0, r1
080B113E: 7158    strb    r0, [r3, #0x05]
080B1140: 7AA1    ldrb    r1, [r4, #0x0A]
080B1142: 0189    lsl     r1, r1, #0x6
080B1144: 785A    ldrb    r2, [r3, #0x01]
080B1146: 1C30    add     r0, r6, #0x0
080B1148: 4010    and     r0, r2
080B114A: 4308    orr     r0, r1
080B114C: 7058    strb    r0, [r3, #0x01]
080B114E: 7AE1    ldrb    r1, [r4, #0x0B]
080B1150: 0189    lsl     r1, r1, #0x6
080B1152: 78DA    ldrb    r2, [r3, #0x03]
080B1154: 1C30    add     r0, r6, #0x0
080B1156: 4010    and     r0, r2
080B1158: 4308    orr     r0, r1
080B115A: 70D8    strb    r0, [r3, #0x03]
080B115C: 1C68    add     r0, r5, #0x1
080B115E: 0400    lsl     r0, r0, #0x10
080B1160: 0C05    lsr     r5, r0, #0x10
080B1162: 3308    add     r3, #0x08
080B1164: 8821    ldrh    r1, [r4]
080B1166: 428D    cmp     r5, r1
080B1168: D3C0    bcc     0x080B10EC
080B116A: BCF0    pop     {r4, r5, r6, r7}
080B116C: BC01    pop     {r0}
080B116E: 4700    bx      r0

;DATA
;=============
;080B1170: FE00    bl      0x07FB1D72
;080B1172: FFFF    bl      0x07EB2172
;080B1174: FC00    bl      0x080B0976
;080B1176: FFFF    bl      0x07CB2176
;080B1178: 01FF    lsl     r7, r7, #0x7
;080B117A: 0000    lsl     r0, r0, #0x0
;080B117C: 03FF    lsl     r7, r7, #0xF
;080B117E: 0000    lsl     r0, r0, #0x0

$080B1180 - ?

This is calling a subroutine and then does many Load-AND-OR-Store back things.

If r0 is = #$00, a whole lot gets left out here.

080B1180: B5F0    push    {r4, r5, r6, r7, lr}
080B1182: 464F    mov     r7, r9
080B1184: 4646    mov     r6, r8
080B1186: B4C0    push    {r6, r7}

080B1188: 0400    lsl     r0, r0, #0x10
080B118A: 0C04    lsr     r4, r0, #0x10				; r4 = r0 AND #$0000FFFF
080B118C: 0409    lsl     r1, r1, #0x10
080B118E: 0C0D    lsr     r5, r1, #0x10				; r5 = r1 AND #$0000FFFF
080B1190: 0412    lsl     r2, r2, #0x10
080B1192: 0C12    lsr     r2, r2, #0x10				; r2 AND #$0000FFFF
080B1194: 4690    mov     r8, r2				; r8 = r2
080B1196: 2002    mov     r0, #0x02
080B1198: F00C    bl       
080B119A: FA74    bl      0x080BD684				; ?
080B119C: 1C03    add     r3, r0, #0x0				; ? (an address)
080B119E: 2C00    cmp     r4, #0x00
080B11A0: D035    beq     0x080B120E				; Exit if Original r0 was 0

080B11A2: 04A0    lsl     r0, r4, #0x12				; Pushs out the two MSBs from the double-byte-value in r4.
080B11A4: 21F0    mov     r1, #0xF0
080B11A6: 0389    lsl     r1, r1, #0xE				; r1 = #$003C0000
080B11A8: 1840    add     r0, r0, r1				; So, now the four bits "under" the log.shifted value of r4/Original r0 are set.
080B11AA: 0C07    lsr     r7, r0, #0x10				; r7 = #%00000000.00000000.xxxxxxxx.xx111100   x = Ten LSBs of Original r0
080B11AC: 2400    mov     r4, #0x00				; Set up Loop Counter
080B11AE: 4A1B    ldr     r2, =#0x000001FF
080B11B0: 1C10    add     r0, r2, #0x0				; r0 = #%xxxxxxxx.xx111100.00000001.11111111   x = Ten LSBs of Original r0
080B11B2: 4005    and     r5, r0				; Original r1 AND r0
080B11B4: 481A    ldr     r0, =#0xFFFFFE00
080B11B6: 4681    mov     r9, r0
080B11B8: 491A    ldr     r1, =#0xFFFFFC00
080B11BA: 468C    mov     r12, r1
080B11BC: 263F    mov     r6, #0x3F
080B11BE: 8859    ldrh    r1, [r3, #0x02]			; ?
080B11C0: 4648    mov     r0, r9				; Transfer AND-Mask in r0
080B11C2: 4008    and     r0, r1				; AND #$FE00
080B11C4: 4328    orr     r0, r5				; ?
080B11C6: 8058    strh    r0, [r3, #0x02]			; Store back
080B11C8: 00E0    lsl     r0, r4, #0x3
080B11CA: 4440    add     r0, r8
080B11CC: 7018    strb    r0, [r3]
080B11CE: 0061    lsl     r1, r4, #0x1
080B11D0: 1879    add     r1, r7, r1
080B11D2: 4A15    ldr     r2, =#0x000003FF
080B11D4: 1C10    add     r0, r2, #0x0
080B11D6: 4001    and     r1, r0
080B11D8: 889A    ldrh    r2, [r3, #0x04]
080B11DA: 4660    mov     r0, r12
080B11DC: 4010    and     r0, r2
080B11DE: 4308    orr     r0, r1
080B11E0: 8098    strh    r0, [r3, #0x04]
080B11E2: 7959    ldrb    r1, [r3, #0x05]
080B11E4: 200F    mov     r0, #0x0F
080B11E6: 4008    and     r0, r1
080B11E8: 2170    mov     r1, #0x70
080B11EA: 4308    orr     r0, r1
080B11EC: 7158    strb    r0, [r3, #0x05]
080B11EE: 7859    ldrb    r1, [r3, #0x01]
080B11F0: 1C30    add     r0, r6, #0x0
080B11F2: 4008    and     r0, r1
080B11F4: 2140    mov     r1, #0x40
080B11F6: 4308    orr     r0, r1
080B11F8: 7058    strb    r0, [r3, #0x01]
080B11FA: 78D9    ldrb    r1, [r3, #0x03]
080B11FC: 1C30    add     r0, r6, #0x0
080B11FE: 4008    and     r0, r1
080B1200: 70D8    strb    r0, [r3, #0x03]
080B1202: 1C60    add     r0, r4, #0x1				; Increment Loop Counter
080B1204: 0400    lsl     r0, r0, #0x10				; Loop Counter AND #$0000FFFF
080B1206: 0C04    lsr     r4, r0, #0x10
080B1208: 3308    add     r3, #0x08
080B120A: 2C01    cmp     r4, #0x01
080B120C: D9D7    bls     0x080B11BE				; Loop until r4 = #$01

080B120E: BC18    pop     {r3, r4}
080B1210: 4698    mov     r8, r3
080B1212: 46A1    mov     r9, r4
080B1214: BCF0    pop     {r4, r5, r6, r7}
080B1216: BC01    pop     {r0}
080B1218: 4700    bx      r0

;080B121A: 0000    lsl     r0, r0, #0x0
;080B121C: 01FF    lsl     r7, r7, #0x7
;080B121E: 0000    lsl     r0, r0, #0x0
;080B1220: FE00    bl      0x080B1E22
;080B1222: FFFF    bl      0x07EB2222
;080B1224: FC00    bl      0x080B0A26
;080B1226: FFFF    bl      0x07CB2226
;080B1228: 03FF    lsl     r7, r7, #0xF
;080B122A: 0000    lsl     r0, r0, #0x0

$080B1A4C - ?

080B1A4C: B510    push    {r4, lr}

080B1A4E: 1C04    add     r4, r0, #0x0				; r4 = Orig. r0
080B1A50: 2001    mov     r0, #0x01
080B1A52: F00B    bl       
080B1A54: FE17    bl      0x080BD684				; ?
080B1A56: 88A2    ldrh    r2, [r4, #0x04]			; r2 = [Orig. r0 + #$04]
080B1A58: 4B12    ldr     r3, =#0x000001FF
080B1A5A: 1C19    add     r1, r3, #0x0
080B1A5C: 400A    and     r2, r1				; r2 = Bits 0 to 8 of [Orig. r0 + #$04]
080B1A5E: 8843    ldrh    r3, [r0, #0x02]			; ?
080B1A60: 4911    ldr     r1, =#0xFFFFFE00
080B1A62: 4019    and     r1, r3				; r1 = Bits 9 to 31 of ?
080B1A64: 4311    orr     r1, r2				; Add both to each other
080B1A66: 8041    strh    r1, [r0, #0x02]			; Store back at ?
080B1A68: 88E1    ldrh    r1, [r4, #0x06]
080B1A6A: 7001    strb    r1, [r0]				; ? = [Orig. r0 + #$06]
080B1A6C: 8821    ldrh    r1, [r4]				; r2 = [Orig. r0]
080B1A6E: 4A0F    ldr     r2, =#0x000003FF
080B1A70: 400A    and     r2, r1				; r2 = Bits 0 to 9 of [Orig. r0]
080B1A72: 8883    ldrh    r3, [r0, #0x04]			; ?
080B1A74: 490E    ldr     r1, =#0xFFFFFC00
080B1A76: 4019    and     r1, r3				; r1 = Bits 10 to 31 of ?
080B1A78: 4311    orr     r1, r2				; Add both to each other
080B1A7A: 8081    strh    r1, [r0, #0x04]			; Store back at ?
080B1A7C: 78A2    ldrb    r2, [r4, #0x02]
080B1A7E: 0112    lsl     r2, r2, #0x4
080B1A80: 7943    ldrb    r3, [r0, #0x05]			; ?
080B1A82: 210F    mov     r1, #0x0F
080B1A84: 4019    and     r1, r3
080B1A86: 4311    orr     r1, r2
080B1A88: 7141    strb    r1, [r0, #0x05]
080B1A8A: 7843    ldrb    r3, [r0, #0x01]
080B1A8C: 223F    mov     r2, #0x3F
080B1A8E: 1C11    add     r1, r2, #0x0
080B1A90: 4019    and     r1, r3
080B1A92: 7041    strb    r1, [r0, #0x01]
080B1A94: 78C1    ldrb    r1, [r0, #0x03]
080B1A96: 400A    and     r2, r1
080B1A98: 2140    mov     r1, #0x40
080B1A9A: 430A    orr     r2, r1
080B1A9C: 70C2    strb    r2, [r0, #0x03]

080B1A9E: BC10    pop     {r4}
080B1AA0: BC01    pop     {r0}
080B1AA2: 4700    bx      r0

;080B1AA4: 01FF    lsl     r7, r7, #0x7
;080B1AA6: 0000    lsl     r0, r0, #0x0
;080B1AA8: FE00    bl      0x080B26AA
;080B1AAA: FFFF    bl      0x07EB2AAA
;080B1AAC: 03FF    lsl     r7, r7, #0xF
;080B1AAE: 0000    lsl     r0, r0, #0x0
;080B1AB0: FC00    bl      0x080B22B2
;080B1AB2: FFFF    bl      0x07CB2AB2

$080B1EDC - ?

080B1EDC: B510    push    {r4, lr}
080B1EDE: B082    add     sp, #-0x008

080B1EE0: 1C04    add     r4, r0, #0x0
080B1EE2: 0409    lsl     r1, r1, #0x10
080B1EE4: 0C08    lsr     r0, r1, #0x10
080B1EE6: 280F    cmp     r0, #0x0F
080B1EE8: D81E    bhi     0x080B1F28
080B1EEA: 0102    lsl     r2, r0, #0x4
080B1EEC: 480B    ldr     r0, =#0x0203632C
080B1EEE: 1812    add     r2, r2, r0
080B1EF0: 8893    ldrh    r3, [r2, #0x04]
080B1EF2: 480B    ldr     r0, =#0xFFFF0000
080B1EF4: 9900    ldr     r1, [sp]
080B1EF6: 4001    and     r1, r0
080B1EF8: 4319    orr     r1, r3
080B1EFA: 9100    str     r1, [sp]
080B1EFC: 88D2    ldrh    r2, [r2, #0x06]
080B1EFE: 0412    lsl     r2, r2, #0x10
080B1F00: 4808    ldr     r0, =#0x0000FFFF
080B1F02: 4008    and     r0, r1
080B1F04: 4310    orr     r0, r2
080B1F06: 9000    str     r0, [sp]
080B1F08: 4669    mov     r1, sp
080B1F0A: 8820    ldrh    r0, [r4]
080B1F0C: 8088    strh    r0, [r1, #0x04]
080B1F0E: 8860    ldrh    r0, [r4, #0x02]
080B1F10: 80C8    strh    r0, [r1, #0x06]
080B1F12: 4668    mov     r0, sp
080B1F14: F7FF    bl       
080B1F16: FD9A    bl      0x080B1A4C
080B1F18: E00E    b       0x080B1F38

;080B1F1A: 0000    lsl     r0, r0, #0x0
;080B1F1C: 632C    str     r4, [r5, #0x30]
;080B1F1E: 0203    lsl     r3, r0, #0x8
;080B1F20: 0000    lsl     r0, r0, #0x0
;080B1F22: FFFF    bl      0x080B2F22
;080B1F24: FFFF    bl      0x080B1F24
;080B1F26: 0000    lsl     r0, r0, #0x0

080B1F28: 4905    ldr     r1, =#0x0000FFF1
080B1F2A: 1840    add     r0, r0, r1
080B1F2C: 0400    lsl     r0, r0, #0x10
080B1F2E: 0C00    lsr     r0, r0, #0x10
080B1F30: 8821    ldrh    r1, [r4]
080B1F32: 8862    ldrh    r2, [r4, #0x02]
080B1F34: F7FF    bl       
080B1F36: F924    bl      0x080B1180

080B1F38: B002    add     sp, #0x008
080B1F3A: BC10    pop     {r4}
080B1F3C: BC01    pop     {r0}
080B1F3E: 4700    bx      r0

;080B1F40: FFF1    bl      0x07FB2F24
;080B1F42: 0000    lsl     r0, r0, #0x0

$080B2E48 - ?

This subroutine is called from the following subroutine and has the following register address in r0

  • $0809CA14 (r0 = #$02032714)
  • $0809CB84 (r0 = ?)
  • $080A41F0 (r0 = ?)
  • $080A6E3C (r0 = ?)
  • $080B7F00 (r0 = ?)

I just presume that it is always $02032714

080B2E48: B5F0    push    {r4, r5, r6, r7, lr}
080B2E4A: B084    add     sp, #-0x010
080B2E4C: 1C06    add     r6, r0, #0x0					; r6 = Orig. r0
080B2E4E: 480A    ldr     r0, =#0x00003AD6
080B2E50: 1832    add     r2, r6, r0					; r2 = #$020361EA (Orig. r0 + #$3AD6)
080B2E52: 7811    ldrb    r1, [r2]					; r1 = $020361EA
080B2E54: 2008    mov     r0, #0x08
080B2E56: 4008    and     r0, r1
080B2E58: 0600    lsl     r0, r0, #0x18
080B2E5A: 0E07    lsr     r7, r0, #0x18
080B2E5C: 2F00    cmp     r7, #0x00
080B2E5E: D163    bne     0x080B2F28					; Branch if Bit 7 of $020361EA is set
080B2E60: 2008    mov     r0, #0x08
080B2E62: 4308    orr     r0, r1
080B2E64: 7010    strb    r0, [r2]					; Set Bit 7 of $020361EA
080B2E66: 4905    ldr     r1, =#0x00003AD0
080B2E68: 1870    add     r0, r6, r1					; $020361E4
080B2E6A: 7800    ldrb    r0, [r0]
080B2E6C: 2809    cmp     r0, #0x09
080B2E6E: D009    beq     0x080B2E84
080B2E70: 280A    cmp     r0, #0x0A
080B2E72: D023    beq     0x080B2EBC
080B2E74: 4802    ldr     r0, =#0x020361AC
080B2E76: E022    b       0x080B2EBE

;080B2E78: 3AD6    sub     r2, #0xD6
;080B2E7A: 0000    lsl     r0, r0, #0x0
;080B2E7C: 3AD0    sub     r2, #0xD0
;080B2E7E: 0000    lsl     r0, r0, #0x0
;080B2E80: 61AC    str     r4, [r5, #0x18]
;080B2E82: 0203    lsl     r3, r0, #0x8

080B2E84: 4D0C    ldr     r5, =#0xFFFF0000
080B2E86: 9800    ldr     r0, [sp]
080B2E88: 4028    and     r0, r5
080B2E8A: 9000    str     r0, [sp]
080B2E8C: 4669    mov     r1, sp
080B2E8E: 2430    mov     r4, #0x30
080B2E90: 804C    strh    r4, [r1, #0x02]
080B2E92: 20F0    mov     r0, #0xF0
080B2E94: 8088    strh    r0, [r1, #0x04]
080B2E96: 2070    mov     r0, #0x70
080B2E98: 80C8    strh    r0, [r1, #0x06]
080B2E9A: 4668    mov     r0, sp
080B2E9C: 2101    mov     r1, #0x01
080B2E9E: 2200    mov     r2, #0x00
080B2EA0: F002    bl       
080B2EA2: FC0E    bl      0x080B56C0
080B2EA4: 9802    ldr     r0, [sp, #0x008]
080B2EA6: 4028    and     r0, r5
080B2EA8: 4320    orr     r0, r4
080B2EAA: 9002    str     r0, [sp, #0x008]
080B2EAC: A802    add     r0, sp, #0x008
080B2EAE: 8047    strh    r7, [r0, #0x02]
080B2EB0: 21C0    mov     r1, #0xC0
080B2EB2: 8081    strh    r1, [r0, #0x04]
080B2EB4: 80C4    strh    r4, [r0, #0x06]
080B2EB6: E002    b       0x080B2EBE

;080B2EB8: 0000    lsl     r0, r0, #0x0
;080B2EBA: FFFF    bl      0x080B3EBA

080B2EBC: 480E    ldr     r0, =#0x0203619C

080B2EBE: 2101    mov     r1, #0x01
080B2EC0: 2200    mov     r2, #0x00
080B2EC2: F002    bl       
080B2EC4: FBFD    bl      0x080B56C0
080B2EC6: F001    bl       
080B2EC8: FDF1    bl      0x080B4AAC
080B2ECA: 4A0C    ldr     r2, =#0x000037C4
080B2ECC: 18B0    add     r0, r6, r2
080B2ECE: 7801    ldrb    r1, [r0]
080B2ED0: 2001    mov     r0, #0x01
080B2ED2: 4008    and     r0, r1
080B2ED4: 2800    cmp     r0, #0x00
080B2ED6: D017    beq     0x080B2F08

080B2ED8: 4809    ldr     r0, =#0x000037BC

080B2EDA: 1832    add     r2, r6, r0
080B2EDC: 8810    ldrh    r0, [r2]
080B2EDE: 280B    cmp     r0, #0x0B
080B2EE0: D822    bhi     0x080B2F28

080B2EE2: 4908    ldr     r1, =#0x08699930
080B2EE4: 0080    lsl     r0, r0, #0x2
080B2EE6: 1840    add     r0, r0, r1
080B2EE8: 22A8    mov     r2, #0xA8
080B2EEA: 0092    lsl     r2, r2, #0x2
080B2EEC: 18B1    add     r1, r6, r2
080B2EEE: 6802    ldr     r2, [r0]
080B2EF0: 1C30    add     r0, r6, #0x0
080B2EF2: F00D    bl       
080B2EF4: FB3B    bl      0x080C056C					; bx r2
080B2EF6: E017    b       0x080B2F28

;080B2EF8: 619C    str     r4, [r3, #0x18]
;080B2EFA: 0203    lsl     r3, r0, #0x8
;080B2EFC: 37C4    add     r7, #0xC4
;080B2EFE: 0000    lsl     r0, r0, #0x0
;080B2F00: 37BC    add     r7, #0xBC
;080B2F02: 0000    lsl     r0, r0, #0x0
;080B2F04: 9930    ldr     r1, [sp, #0x0C0]
;080B2F06: 0869    lsr     r1, r5, #0x1

080B2F08: 4809    ldr     r0, =#0x00003AD0
080B2F0A: 1832    add     r2, r6, r0
080B2F0C: 7810    ldrb    r0, [r2]
080B2F0E: 280D    cmp     r0, #0x0D
080B2F10: D80A    bhi     0x080B2F28

080B2F12: 4908    ldr     r1, =#0x0869988C
080B2F14: 0082    lsl     r2, r0, #0x2
080B2F16: 1852    add     r2, r2, r1
080B2F18: 0041    lsl     r1, r0, #0x1
080B2F1A: 1809    add     r1, r1, r0
080B2F1C: 0109    lsl     r1, r1, #0x4
080B2F1E: 1871    add     r1, r6, r1
080B2F20: 6812    ldr     r2, [r2]
080B2F22: 1C30    add     r0, r6, #0x0
080B2F24: F00D    bl       
080B2F26: FB22    bl      0x080C056C					; bx r2

080B2F28: B004    add     sp, #0x010
080B2F2A: BCF0    pop     {r4, r5, r6, r7}
080B2F2C: BC01    pop     {r0}
080B2F2E: 4700    bx      r0

;080B2F30: 3AD0    sub     r2, #0xD0
;080B2F32: 0000    lsl     r0, r0, #0x0
;080B2F34: 988C    ldr     r0, [sp, #0x230]
;080B2F36: 0869    lsr     r1, r5, #0x1

$080B52C8 - ?

080B52C8: B510    push    {r4, lr}
080B52CA: 1C04    add     r4, r0, #0x0				; r4 = Orig. r0
080B52CC: 4813    ldr     r0, =#0x00003826
080B52CE: 1822    add     r2, r4, r0
080B52D0: 7811    ldrb    r1, [r2]				; r1 = [Orig. r0 + #$3826]
080B52D2: 2001    mov     r0, #0x01
080B52D4: 4008    and     r0, r1
080B52D6: 2800    cmp     r0, #0x00
080B52D8: D01C    beq     0x080B5314				; Exit if Bit 0 of [Orig. r0 + #$3826] is clear

080B52DA: 2002    mov     r0, #0x02
080B52DC: 4008    and     r0, r1
080B52DE: 2800    cmp     r0, #0x00
080B52E0: D10F    bne     0x080B5302				; Branch if Bit 1 of [Orig. r0 + #$3826] is set

080B52E2: 2002    mov     r0, #0x02
080B52E4: 4308    orr     r0, r1				; Set Bit 1 of [Orig. r0 + #$3826]
080B52E6: 7010    strb    r0, [r2]				; Store value back
080B52E8: 490D    ldr     r1, =#0x00003A88
080B52EA: 1860    add     r0, r4, r1				; r0 = Orig. r0 + #$3A88
080B52EC: 2100    mov     r1, #0x00
080B52EE: 2200    mov     r2, #0x00
080B52F0: F000    bl       
080B52F2: F9E6    bl      0x080B56C0				; ?
080B52F4: 4B0B    ldr     r3, =#0x00003AB0
080B52F6: 18E0    add     r0, r4, r3				; r0 = Orig. r0 + #$3AB0
080B52F8: 2100    mov     r1, #0x00
080B52FA: 2200    mov     r2, #0x00
080B52FC: 2301    mov     r3, #0x01
080B52FE: F000    bl       
080B5300: F815    bl      0x080B532C				; ?

080B5302: 4809    ldr     r0, =#0x02032700
080B5304: 6801    ldr     r1, [r0]				; r1 = [$02032700]
080B5306: 890A    ldrh    r2, [r1, #0x08]			; r2 = [ [$02032700] + #$08]
080B5308: 2380    mov     r3, #0x80
080B530A: 005B    lsl     r3, r3, #0x1
080B530C: 1C18    add     r0, r3, #0x0				; r0 = #$0100
080B530E: 890B    ldrh    r3, [r1, #0x08]			; r3 = [ [$02032700] + #$08]
080B5310: 4310    orr     r0, r2				; Set Bit 8 in the value of [ [$02032700] + #$08]
080B5312: 8108    strh    r0, [r1, #0x08]			; Store value back

080B5314: BC10    pop     {r4}
080B5316: BC01    pop     {r0}
080B5318: 4700    bx      r0

;080B531A: 0000    lsl     r0, r0, #0x0
;080B531C: 3826    sub     r0, #0x26
;080B531E: 0000    lsl     r0, r0, #0x0
;080B5320: 3A88    sub     r2, #0x88
;080B5322: 0000    lsl     r0, r0, #0x0
;080B5324: 3AB0    sub     r2, #0xB0
;080B5326: 0000    lsl     r0, r0, #0x0
;080B5328: 2700    mov     r7, #0x00
;080B532A: 0203    lsl     r3, r0, #0x8

$080B5494 - ?

080B5494: B5F0    push    {r4, r5, r6, r7, lr}
080B5496: 4647    mov     r7, r8
080B5498: B480    push    {r7}
080B549A: B082    add     sp, #-0x008				; Added two new stack entries

080B549C: 1C0E    add     r6, r1, #0x0				; r6 = Orig. r1
080B549E: 0412    lsl     r2, r2, #0x10
080B54A0: 0C17    lsr     r7, r2, #0x10			; r7 = Orig. r2 AND #$0000FFFF
080B54A2: 041B    lsl     r3, r3, #0x10
080B54A4: 0C1B    lsr     r3, r3, #0x10			; r3 = Orig. r3 AND #$0000FFFF
080B54A6: 4698    mov     r8, r3				; r8 = Orig. r2 AND #$0000FFFF
080B54A8: 8802    ldrh    r2, [r0]
080B54AA: 08D2    lsr     r2, r2, #0x3
080B54AC: 4B54    ldr     r3, =#0xFFFF0000
080B54AE: 9900    ldr     r1, [sp]
080B54B0: 4019    and     r1, r3
080B54B2: 4311    orr     r1, r2
080B54B4: 9100    str     r1, [sp]
080B54B6: 8841    ldrh    r1, [r0, #0x02]
080B54B8: 08C9    lsr     r1, r1, #0x3
080B54BA: 466C    mov     r4, sp
080B54BC: 8061    strh    r1, [r4, #0x02]
080B54BE: 8881    ldrh    r1, [r0, #0x04]
080B54C0: 08C9    lsr     r1, r1, #0x3
080B54C2: 80A1    strh    r1, [r4, #0x04]
080B54C4: 88C0    ldrh    r0, [r0, #0x06]
080B54C6: 08C0    lsr     r0, r0, #0x3
080B54C8: 80E0    strh    r0, [r4, #0x06]
080B54CA: 4668    mov     r0, sp
080B54CC: 8801    ldrh    r1, [r0]
080B54CE: 3101    add     r1, #0x01
080B54D0: 8862    ldrh    r2, [r4, #0x02]
080B54D2: 0409    lsl     r1, r1, #0x10
080B54D4: 0C09    lsr     r1, r1, #0x10
080B54D6: 1C38    add     r0, r7, #0x0
080B54D8: F008    bl       
080B54DA: F882    bl      0x080BD5E0
080B54DC: 1C02    add     r2, r0, #0x0
080B54DE: 2300    mov     r3, #0x00
080B54E0: 88A0    ldrh    r0, [r4, #0x04]
080B54E2: 3802    sub     r0, #0x02
080B54E4: 4283    cmp     r3, r0
080B54E6: DA11    bge     0x080B550C
080B54E8: 4640    mov     r0, r8
080B54EA: 0305    lsl     r5, r0, #0xC
080B54EC: 466C    mov     r4, sp
080B54EE: 8871    ldrh    r1, [r6, #0x02]
080B54F0: 1C28    add     r0, r5, #0x0
080B54F2: 4308    orr     r0, r1
080B54F4: 8010    strh    r0, [r2]
080B54F6: 0419    lsl     r1, r3, #0x10
080B54F8: 2080    mov     r0, #0x80
080B54FA: 0240    lsl     r0, r0, #0x9
080B54FC: 1809    add     r1, r1, r0
080B54FE: 3202    add     r2, #0x02
080B5500: 0C0B    lsr     r3, r1, #0x10
080B5502: 1409    asr     r1, r1, #0x10
080B5504: 88A0    ldrh    r0, [r4, #0x04]
080B5506: 3802    sub     r0, #0x02
080B5508: 4281    cmp     r1, r0
080B550A: DBF0    blt     0x080B54EE
080B550C: 4668    mov     r0, sp
080B550E: 8801    ldrh    r1, [r0]
080B5510: 3101    add     r1, #0x01
080B5512: 466C    mov     r4, sp
080B5514: 4A3B    ldr     r2, =#0x0000FFFF
080B5516: 1C10    add     r0, r2, #0x0
080B5518: 88E2    ldrh    r2, [r4, #0x06]
080B551A: 1880    add     r0, r0, r2
080B551C: 8862    ldrh    r2, [r4, #0x02]
080B551E: 1812    add     r2, r2, r0
080B5520: 0409    lsl     r1, r1, #0x10
080B5522: 0C09    lsr     r1, r1, #0x10
080B5524: 0412    lsl     r2, r2, #0x10
080B5526: 0C12    lsr     r2, r2, #0x10
080B5528: 1C38    add     r0, r7, #0x0
080B552A: F008    bl       
080B552C: F859    bl      0x080BD5E0
080B552E: 1C02    add     r2, r0, #0x0
080B5530: 2300    mov     r3, #0x00
080B5532: 88A0    ldrh    r0, [r4, #0x04]
080B5534: 3802    sub     r0, #0x02
080B5536: 4283    cmp     r3, r0
080B5538: DA11    bge     0x080B555E
080B553A: 4640    mov     r0, r8
080B553C: 0305    lsl     r5, r0, #0xC
080B553E: 466C    mov     r4, sp
080B5540: 89F1    ldrh    r1, [r6, #0x0E]
080B5542: 1C28    add     r0, r5, #0x0
080B5544: 4308    orr     r0, r1
080B5546: 8010    strh    r0, [r2]
080B5548: 0419    lsl     r1, r3, #0x10
080B554A: 2080    mov     r0, #0x80
080B554C: 0240    lsl     r0, r0, #0x9
080B554E: 1809    add     r1, r1, r0
080B5550: 3202    add     r2, #0x02
080B5552: 0C0B    lsr     r3, r1, #0x10
080B5554: 1409    asr     r1, r1, #0x10
080B5556: 88A0    ldrh    r0, [r4, #0x04]
080B5558: 3802    sub     r0, #0x02
080B555A: 4281    cmp     r1, r0
080B555C: DBF0    blt     0x080B5540
080B555E: 4668    mov     r0, sp
080B5560: 466C    mov     r4, sp
080B5562: 8862    ldrh    r2, [r4, #0x02]
080B5564: 3201    add     r2, #0x01
080B5566: 8801    ldrh    r1, [r0]
080B5568: 0412    lsl     r2, r2, #0x10
080B556A: 0C12    lsr     r2, r2, #0x10
080B556C: 1C38    add     r0, r7, #0x0
080B556E: F008    bl       
080B5570: F837    bl      0x080BD5E0
080B5572: 1C02    add     r2, r0, #0x0
080B5574: 2300    mov     r3, #0x00
080B5576: 88E0    ldrh    r0, [r4, #0x06]
080B5578: 3802    sub     r0, #0x02
080B557A: 4283    cmp     r3, r0
080B557C: DA11    bge     0x080B55A2
080B557E: 4641    mov     r1, r8
080B5580: 030D    lsl     r5, r1, #0xC
080B5582: 466C    mov     r4, sp
080B5584: 88F1    ldrh    r1, [r6, #0x06]
080B5586: 1C28    add     r0, r5, #0x0
080B5588: 4308    orr     r0, r1
080B558A: 8010    strh    r0, [r2]
080B558C: 0419    lsl     r1, r3, #0x10
080B558E: 2080    mov     r0, #0x80
080B5590: 0240    lsl     r0, r0, #0x9
080B5592: 1809    add     r1, r1, r0
080B5594: 323C    add     r2, #0x3C
080B5596: 0C0B    lsr     r3, r1, #0x10
080B5598: 1409    asr     r1, r1, #0x10
080B559A: 88E0    ldrh    r0, [r4, #0x06]
080B559C: 3802    sub     r0, #0x02
080B559E: 4281    cmp     r1, r0
080B55A0: DBF0    blt     0x080B5584
080B55A2: 466C    mov     r4, sp
080B55A4: 4917    ldr     r1, =#0x0000FFFF
080B55A6: 1C08    add     r0, r1, #0x0
080B55A8: 88A2    ldrh    r2, [r4, #0x04]
080B55AA: 1880    add     r0, r0, r2
080B55AC: 4669    mov     r1, sp
080B55AE: 8809    ldrh    r1, [r1]
080B55B0: 1809    add     r1, r1, r0
080B55B2: 8862    ldrh    r2, [r4, #0x02]
080B55B4: 3201    add     r2, #0x01
080B55B6: 0409    lsl     r1, r1, #0x10
080B55B8: 0C09    lsr     r1, r1, #0x10
080B55BA: 0412    lsl     r2, r2, #0x10
080B55BC: 0C12    lsr     r2, r2, #0x10
080B55BE: 1C38    add     r0, r7, #0x0
080B55C0: F008    bl       
080B55C2: F80E    bl      0x080BD5E0
080B55C4: 1C02    add     r2, r0, #0x0
080B55C6: 2300    mov     r3, #0x00
080B55C8: 88E0    ldrh    r0, [r4, #0x06]
080B55CA: 3802    sub     r0, #0x02
080B55CC: 4283    cmp     r3, r0
080B55CE: DA11    bge     0x080B55F4
080B55D0: 4640    mov     r0, r8
080B55D2: 0305    lsl     r5, r0, #0xC
080B55D4: 466C    mov     r4, sp
080B55D6: 8971    ldrh    r1, [r6, #0x0A]
080B55D8: 1C28    add     r0, r5, #0x0
080B55DA: 4308    orr     r0, r1
080B55DC: 8010    strh    r0, [r2]
080B55DE: 0419    lsl     r1, r3, #0x10
080B55E0: 2080    mov     r0, #0x80
080B55E2: 0240    lsl     r0, r0, #0x9
080B55E4: 1809    add     r1, r1, r0
080B55E6: 323C    add     r2, #0x3C
080B55E8: 0C0B    lsr     r3, r1, #0x10
080B55EA: 1409    asr     r1, r1, #0x10
080B55EC: 88E0    ldrh    r0, [r4, #0x06]
080B55EE: 3802    sub     r0, #0x02
080B55F0: 4281    cmp     r1, r0
080B55F2: DBF0    blt     0x080B55D6
080B55F4: B002    add     sp, #0x008

080B55F6: BC08    pop     {r3}
080B55F8: 4698    mov     r8, r3
080B55FA: BCF0    pop     {r4, r5, r6, r7}
080B55FC: BC01    pop     {r0}
080B55FE: 4700    bx      r0

;080B5600: 0000    lsl     r0, r0, #0x0
;080B5602: FFFF    bl      0x080B6602
;080B5604: FFFF    bl      0x080B5604
;080B5606: 0000    lsl     r0, r0, #0x0

$080B6388 - ?

r0 contains a load address, a source address for small DMAs (#$10 and #$20 double bytes)

r1 and r2 contain the destination addresses for Clear DMAs (each #$30 Double Bytes)

r3 contains an comparison value

080B6388: B570    push    {r4, r5, r6, lr}
080B638A: B081    add     sp, #-0x004			; Manually add another stack entry

080B638C: 4684    mov     r12, r0
080B638E: 1C0C    add     r4, r1, #0x0
080B6390: 1C15    add     r5, r2, #0x0
080B6392: 041B    lsl     r3, r3, #0x10
080B6394: 0C1E    lsr     r6, r3, #0x10
080B6396: 4669    mov     r1, sp
080B6398: 2000    mov     r0, #0x00
080B639A: 8008    strh    r0, [r1]				; Clear newly add Stack Entry
080B639C: 4826    ldr     r0, =#0x040000D4
080B639E: 6001    str     r1, [r0]				; Stack Entry is DMA Source (for a fixed Transfer)
080B63A0: 6044    str     r4, [r0, #0x04]			; Original r1 is the Destination address
080B63A2: 4926    ldr     r1, =#0x81000030
080B63A4: 6081    str     r1, [r0, #0x08]			; Start DMA
080B63A6: 6881    ldr     r1, [r0, #0x08]			; Check if DMA is done
080B63A8: 1C02    add     r2, r0, #0x0
080B63AA: 6890    ldr     r0, [r2, #0x08]
080B63AC: 2180    mov     r1, #0x80
080B63AE: 0609    lsl     r1, r1, #0x18
080B63B0: 2800    cmp     r0, #0x00
080B63B2: DA03    bge     0x080B63BC

080B63B4: 6890    ldr     r0, [r2, #0x08]
080B63B6: 4008    and     r0, r1
080B63B8: 2800    cmp     r0, #0x00
080B63BA: D1FB    bne     0x080B63B4

080B63BC: 4669    mov     r1, sp
080B63BE: 2000    mov     r0, #0x00
080B63C0: 8008    strh    r0, [r1]				; Clear newy added Stack Entry again
080B63C2: 481D    ldr     r0, =#0x040000D4
080B63C4: 6001    str     r1, [r0]				; Stack Entry is DMA Source (for a fixed Transfer)
080B63C6: 6045    str     r5, [r0, #0x04]			; Original r2 is the Destination address
080B63C8: 491C    ldr     r1, =#0x81000030		; Fixed DMA, #$30 Double Bytes
080B63CA: 6081    str     r1, [r0, #0x08]			; Start DMA
080B63CC: 6881    ldr     r1, [r0, #0x08]
080B63CE: 1C01    add     r1, r0, #0x0
080B63D0: 6888    ldr     r0, [r1, #0x08]
080B63D2: 2280    mov     r2, #0x80
080B63D4: 0612    lsl     r2, r2, #0x18
080B63D6: 4663    mov     r3, r12				; restore Original r0 in r3
080B63D8: 33C0    add     r3, #0xC0				; Increment address in r3 by #$C0
080B63DA: 2800    cmp     r0, #0x00
080B63DC: DA03    bge     0x080B63E6

080B63DE: 6888    ldr     r0, [r1, #0x08]
080B63E0: 4010    and     r0, r2
080B63E2: 2800    cmp     r0, #0x00
080B63E4: D1FB    bne     0x080B63DE

080B63E6: 8819    ldrh    r1, [r3]				; ?
080B63E8: 1C48    add     r0, r1, #0x1			; r0 = INC r1
080B63EA: 42B0    cmp     r0, r6				; Compare r0 to the Original r3
080B63EC: D12A    bne     0x080B6444				; Leave the whole stuff out if values are the same

080B63EE: 4912    ldr     r1, =#0x040000D4
080B63F0: 4660    mov     r0, r12
080B63F2: 3020    add     r0, #0x20
080B63F4: 6008    str     r0, [r1]
080B63F6: 604C    str     r4, [r1, #0x04]
080B63F8: 4811    ldr     r0, =#0x80000020
080B63FA: 6088    str     r0, [r1, #0x08]
080B63FC: 6888    ldr     r0, [r1, #0x08]
080B63FE: 6888    ldr     r0, [r1, #0x08]
080B6400: 2380    mov     r3, #0x80
080B6402: 061B    lsl     r3, r3, #0x18
080B6404: 4662    mov     r2, r12
080B6406: 3280    add     r2, #0x80
080B6408: 2800    cmp     r0, #0x00
080B640A: DA03    bge     0x080B6414
080B640C: 6888    ldr     r0, [r1, #0x08]
080B640E: 4018    and     r0, r3
080B6410: 2800    cmp     r0, #0x00
080B6412: D1FB    bne     0x080B640C
080B6414: 4808    ldr     r0, =#0x040000D4
080B6416: 6002    str     r2, [r0]
080B6418: 6045    str     r5, [r0, #0x04]
080B641A: 4909    ldr     r1, =#0x80000020
080B641C: 6081    str     r1, [r0, #0x08]
080B641E: 6881    ldr     r1, [r0, #0x08]
080B6420: 1C02    add     r2, r0, #0x0
080B6422: 6890    ldr     r0, [r2, #0x08]
080B6424: 2180    mov     r1, #0x80
080B6426: 0609    lsl     r1, r1, #0x18
080B6428: 2800    cmp     r0, #0x00
080B642A: DA31    bge     0x080B6490
080B642C: 6890    ldr     r0, [r2, #0x08]
080B642E: 4008    and     r0, r1
080B6430: 2800    cmp     r0, #0x00
080B6432: D1FB    bne     0x080B642C
080B6434: E02C    b       0x080B6490

;DATA
;============
;080B6436: 0000    lsl     r0, r0, #0x0
;080B6438: 00D4    lsl     r4, r2, #0x3
;080B643A: 0400    lsl     r0, r0, #0x10
;080B643C: 0030    lsl     r0, r6, #0x0
;080B643E: 8100    strh    r0, [r0, #0x08]
;080B6440: 0020    lsl     r0, r4, #0x0
;080B6442: 8000    strh    r0, [r0]

080B6444: 1C88    add     r0, r1, #0x2			; r0 = Double INC r1
080B6446: 42B0    cmp     r0, r6
080B6448: D122    bne     0x080B6490				; Exit if equal

080B644A: 4913    ldr     r1, =#0x040000D4
080B644C: 4660    mov     r0, r12
080B644E: 3040    add     r0, #0x40
080B6450: 6008    str     r0, [r1]
080B6452: 604C    str     r4, [r1, #0x04]
080B6454: 4811    ldr     r0, =#0x80000010		; #$10 Double Bytes
080B6456: 6088    str     r0, [r1, #0x08]			; Start DMA
080B6458: 6888    ldr     r0, [r1, #0x08]
080B645A: 6888    ldr     r0, [r1, #0x08]
080B645C: 2380    mov     r3, #0x80
080B645E: 061B    lsl     r3, r3, #0x18
080B6460: 4662    mov     r2, r12
080B6462: 32A0    add     r2, #0xA0
080B6464: 2800    cmp     r0, #0x00
080B6466: DA03    bge     0x080B6470

080B6468: 6888    ldr     r0, [r1, #0x08]
080B646A: 4018    and     r0, r3
080B646C: 2800    cmp     r0, #0x00
080B646E: D1FB    bne     0x080B6468

080B6470: 4809    ldr     r0, =#0x040000D4
080B6472: 6002    str     r2, [r0]
080B6474: 6045    str     r5, [r0, #0x04]
080B6476: 4909    ldr     r1, =#0x80000010
080B6478: 6081    str     r1, [r0, #0x08]
080B647A: 6881    ldr     r1, [r0, #0x08]
080B647C: 1C02    add     r2, r0, #0x0
080B647E: 6890    ldr     r0, [r2, #0x08]
080B6480: 2180    mov     r1, #0x80
080B6482: 0609    lsl     r1, r1, #0x18
080B6484: 2800    cmp     r0, #0x00
080B6486: DA03    bge     0x080B6490

080B6488: 6890    ldr     r0, [r2, #0x08]
080B648A: 4008    and     r0, r1
080B648C: 2800    cmp     r0, #0x00
080B648E: D1FB    bne     0x080B6488

080B6490: B001    add     sp, #0x004
080B6492: BC70    pop     {r4, r5, r6}
080B6494: BC01    pop     {r0}
080B6496: 4700    bx      r0

;080B6498: 00D4    lsl     r4, r2, #0x3
;080B649A: 0400    lsl     r0, r0, #0x10
;080B649C: 0010    lsl     r0, r2, #0x0
;080B649E: 8000    strh    r0, [r0]

$080B64D0 - ?

080B64D0: B5F0    push    {r4, r5, r6, r7, lr}
080B64D2: 4657    mov     r7, r10
080B64D4: 464E    mov     r6, r9
080B64D6: 4645    mov     r5, r8
080B64D8: B4E0    push    {r5, r6, r7}
080B64DA: B095    add     sp, #-0x054

080B64DC: 9004    str     r0, [sp, #0x010]
080B64DE: 4A0A    ldr     r2, =#0x000050C7
080B64E0: 1881    add     r1, r0, r2					; r1 = Orig. r0 + #$50C7
080B64E2: 2000    mov     r0, #0x00
080B64E4: 7008    strb    r0, [r1]					; Orig. r0 + #$50C7 = #$00
080B64E6: 9B04    ldr     r3, [sp, #0x010]			; r3 = Orig. r0

080B64E8: 4E08    ldr     r6, =#0x00004694
080B64EA: 1998    add     r0, r3, r6
080B64EC: 6800    ldr     r0, [r0]					; r0 = Orig. r0 + #$4694
080B64EE: 6841    ldr     r1, [r0, #0x04]
080B64F0: 468A    mov     r10, r1
080B64F2: 4A07    ldr     r2, =#0x00001BD0
080B64F4: 189B    add     r3, r3, r2
080B64F6: 4698    mov     r8, r3
080B64F8: 4B06    ldr     r3, =#0x06015800
080B64FA: 9305    str     r3, [sp, #0x014]
080B64FC: 26B0    mov     r6, #0xB0
080B64FE: 00B6    lsl     r6, r6, #0x2
080B6500: 9608    str     r6, [sp, #0x020]
080B6502: 2400    mov     r4, #0x00
080B6504: E1AD    b       0x080B6862

;080B6506: 0000    lsl     r0, r0, #0x0
;080B6508: 50C7    str     r7, [r0, r3]
;080B650A: 0000    lsl     r0, r0, #0x0
;080B650C: 4694    mov     r12, r2
;080B650E: 0000    lsl     r0, r0, #0x0
;080B6510: 1BD0    sub     r0, r2, r7
;080B6512: 0000    lsl     r0, r0, #0x0
;080B6514: 5800    ldr     r0, [r0, r0]
;080B6516: 0601    lsl     r1, r0, #0x18

080B6518: 4650    mov     r0, r10
080B651A: 8882    ldrh    r2, [r0, #0x04]
080B651C: 491C    ldr     r1, =#0xFFFF0000
080B651E: 9802    ldr     r0, [sp, #0x008]
080B6520: 4008    and     r0, r1
080B6522: 4310    orr     r0, r2
080B6524: 9002    str     r0, [sp, #0x008]
080B6526: 4651    mov     r1, r10
080B6528: 88CA    ldrh    r2, [r1, #0x06]
080B652A: 0412    lsl     r2, r2, #0x10
080B652C: 4919    ldr     r1, =#0x0000FFFF
080B652E: 4008    and     r0, r1
080B6530: 4310    orr     r0, r2
080B6532: 9002    str     r0, [sp, #0x008]
080B6534: 4652    mov     r2, r10
080B6536: 6810    ldr     r0, [r2]
080B6538: 9003    str     r0, [sp, #0x00C]
080B653A: 2308    mov     r3, #0x08
080B653C: 5ED1    ldsh    r1, [r2, r3]
080B653E: F008    bl       	   
080B6540: FCA7    bl      0x080BEE90	   
080B6542: 0400    lsl     r0, r0, #0x10	   
080B6544: 0C00    lsr     r0, r0, #0x10	   
080B6546: 9007    str     r0, [sp, #0x01C]	   
080B6548: 2600    mov     r6, #0x00	   
080B654A: 9606    str     r6, [sp, #0x018]	   
080B654C: 3401    add     r4, #0x01	   
080B654E: 9411    str     r4, [sp, #0x044]	   
080B6550: 4650    mov     r0, r10	   
080B6552: 300C    add     r0, #0x0C	   
080B6554: 9013    str     r0, [sp, #0x04C]	   
080B6556: 9907    ldr     r1, [sp, #0x01C]	   
080B6558: 428E    cmp     r6, r1	   
080B655A: D300    bcc     0x080B655E	   
080B655C: E178    b       0x080B6850	   
	   
080B655E: 466A    mov     r2, sp	   
080B6560: 3208    add     r2, #0x08	   
080B6562: 920B    str     r2, [sp, #0x02C]	   
080B6564: 9803    ldr     r0, [sp, #0x00C]	   
080B6566: 8801    ldrh    r1, [r0]	   
080B6568: 0A0B    lsr     r3, r1, #0x8	   
080B656A: 20FF    mov     r0, #0xFF	   
080B656C: 4008    and     r0, r1	   
080B656E: 0200    lsl     r0, r0, #0x8	   
080B6570: 4303    orr     r3, r0	   
080B6572: 4699    mov     r9, r3	   
080B6574: 2B0E    cmp     r3, #0x0E	   
080B6576: D80F    bhi     0x080B6598	   
080B6578: 4642    mov     r2, r8	   
080B657A: 3287    add     r2, #0x87	   
080B657C: 7810    ldrb    r0, [r2]	   
080B657E: 2108    mov     r1, #0x08	   
080B6580: 4308    orr     r0, r1	   
080B6582: 7010    strb    r0, [r2]	   
080B6584: 9804    ldr     r0, [sp, #0x010]	   
080B6586: A902    add     r1, sp, #0x008	   
080B6588: 464A    mov     r2, r9	   
080B658A: F000    bl       	   
080B658C: F9DF    bl      0x080B694C	   
080B658E: E014    b       0x080B65BA	   
	   
;080B6590: 0000    lsl     r0, r0, #0x0	   
;080B6592: FFFF    bl      0x080B7592	   
;080B6594: FFFF    bl      0x080B6594	   
;080B6596: 0000    lsl     r0, r0, #0x0	   
	   
080B6598: 4E09    ldr     r6, =#0x00000FFF	   
080B659A: 45B1    cmp     r9, r6	   
080B659C: D912    bls     0x080B65C4	   
080B659E: 4642    mov     r2, r8	   
080B65A0: 3287    add     r2, #0x87	   
080B65A2: 7810    ldrb    r0, [r2]	   
080B65A4: 2108    mov     r1, #0x08	   
080B65A6: 4308    orr     r0, r1	   
080B65A8: 7010    strb    r0, [r2]	   
080B65AA: 4648    mov     r0, r9	   
080B65AC: 9000    str     r0, [sp]	   
080B65AE: 9804    ldr     r0, [sp, #0x010]	   
080B65B0: 4651    mov     r1, r10	   
080B65B2: AA03    add     r2, sp, #0x00C	   
080B65B4: AB02    add     r3, sp, #0x008	   
080B65B6: F000    bl       	   
080B65B8: F96F    bl      0x080B6898	   
080B65BA: 9C06    ldr     r4, [sp, #0x018]	   
080B65BC: 3401    add     r4, #0x01	   
080B65BE: E13C    b       0x080B683A	   
	   
;080B65C0: 0FFF    lsr     r7, r7, #0x1F	   
;080B65C2: 0000    lsl     r0, r0, #0x0	   
	   
080B65C4: 4652    mov     r2, r10	   
080B65C6: 7AD1    ldrb    r1, [r2, #0x0B]	   
080B65C8: 2440    mov     r4, #0x40	   
080B65CA: 2040    mov     r0, #0x40	   
080B65CC: 4008    and     r0, r1	   
080B65CE: 2800    cmp     r0, #0x00	   
080B65D0: D014    beq     0x080B65FC	   
080B65D2: 9B0B    ldr     r3, [sp, #0x02C]	   
080B65D4: 8818    ldrh    r0, [r3]	   
080B65D6: 300C    add     r0, #0x0C	   
080B65D8: 8018    strh    r0, [r3]	   
080B65DA: 0400    lsl     r0, r0, #0x10	   
080B65DC: 0C00    lsr     r0, r0, #0x10	   
080B65DE: 466E    mov     r6, sp	   
080B65E0: 3608    add     r6, #0x08	   
080B65E2: 960F    str     r6, [sp, #0x03C]	   
080B65E4: 9C06    ldr     r4, [sp, #0x018]	   
080B65E6: 3401    add     r4, #0x01	   
080B65E8: 7A91    ldrb    r1, [r2, #0x0A]	   
080B65EA: 4288    cmp     r0, r1	   
080B65EC: D800    bhi     0x080B65F0	   
080B65EE: E124    b       0x080B683A	   
	   
080B65F0: 8890    ldrh    r0, [r2, #0x04]	   
080B65F2: 8030    strh    r0, [r6]	   
080B65F4: 8858    ldrh    r0, [r3, #0x02]	   
080B65F6: 3010    add     r0, #0x10	   
080B65F8: 8058    strh    r0, [r3, #0x02]	   
080B65FA: E11E    b       0x080B683A	   
080B65FC: 2001    mov     r0, #0x01	   
080B65FE: F007    bl       	   
080B6600: F841    bl      0x080BD684	   
080B6602: 1C07    add     r7, r0, #0x0	   
080B6604: 9B0B    ldr     r3, [sp, #0x02C]	   
080B6606: 881A    ldrh    r2, [r3]	   
080B6608: 4E3F    ldr     r6, =#0x000001FF	   
080B660A: 1C30    add     r0, r6, #0x0	   
080B660C: 4002    and     r2, r0	   
080B660E: 8878    ldrh    r0, [r7, #0x02]	   
080B6610: 4B3E    ldr     r3, =#0xFFFFFE00	   
080B6612: 1C19    add     r1, r3, #0x0	   
080B6614: 4008    and     r0, r1	   
080B6616: 4310    orr     r0, r2	   
080B6618: 8078    strh    r0, [r7, #0x02]	   
080B661A: 9E0B    ldr     r6, [sp, #0x02C]	   
080B661C: 8870    ldrh    r0, [r6, #0x02]	   
080B661E: 7038    strb    r0, [r7]	   
080B6620: 797A    ldrb    r2, [r7, #0x05]	   
080B6622: 20F0    mov     r0, #0xF0	   
080B6624: 4302    orr     r2, r0	   
080B6626: 717A    strb    r2, [r7, #0x05]	   
080B6628: 787B    ldrb    r3, [r7, #0x01]	   
080B662A: 213F    mov     r1, #0x3F	   
080B662C: 1C08    add     r0, r1, #0x0	   
080B662E: 4018    and     r0, r3	   
080B6630: 7078    strb    r0, [r7, #0x01]	   
080B6632: 78F8    ldrb    r0, [r7, #0x03]	   
080B6634: 4001    and     r1, r0	   
080B6636: 4321    orr     r1, r4	   
080B6638: 70F9    strb    r1, [r7, #0x03]	   
080B663A: 4651    mov     r1, r10	   
080B663C: 7AC8    ldrb    r0, [r1, #0x0B]	   
080B663E: 0680    lsl     r0, r0, #0x1A	   
080B6640: 0F80    lsr     r0, r0, #0x1E	   
080B6642: 0080    lsl     r0, r0, #0x2	   
080B6644: 230D    mov     r3, #0x0D	   
080B6646: 425B    neg     r3, r3	   
080B6648: 1C19    add     r1, r3, #0x0	   
080B664A: 400A    and     r2, r1	   
080B664C: 4302    orr     r2, r0	   
080B664E: 717A    strb    r2, [r7, #0x05]	   
080B6650: 4644    mov     r4, r8	   
080B6652: 3484    add     r4, #0x84	   
080B6654: 8822    ldrh    r2, [r4]	   
080B6656: 0516    lsl     r6, r2, #0x14	   
080B6658: 9614    str     r6, [sp, #0x050]	   
080B665A: 4643    mov     r3, r8	   
080B665C: 3385    add     r3, #0x85	   
080B665E: 7818    ldrb    r0, [r3]	   
080B6660: 0900    lsr     r0, r0, #0x4	   
080B6662: 9009    str     r0, [sp, #0x024]	   
080B6664: 4645    mov     r5, r8	   
080B6666: 3586    add     r5, #0x86	   
080B6668: 8828    ldrh    r0, [r5]	   
080B666A: 0580    lsl     r0, r0, #0x16	   
080B666C: 0D80    lsr     r0, r0, #0x16	   
080B666E: 900A    str     r0, [sp, #0x028]
080B6670: 4649    mov     r1, r9
080B6672: 4827    ldr     r0, =#0x00000FFF
080B6674: 4001    and     r1, r0
080B6676: 4E27    ldr     r6, =#0xFFFFF000
080B6678: 1C30    add     r0, r6, #0x0
080B667A: 4002    and     r2, r0
080B667C: 430A    orr     r2, r1
080B667E: 8022    strh    r2, [r4]
080B6680: 4650    mov     r0, r10
080B6682: 7AC1    ldrb    r1, [r0, #0x0B]	   
080B6684: 0709    lsl     r1, r1, #0x1C	   
080B6686: 0E09    lsr     r1, r1, #0x18	   
080B6688: 781A    ldrb    r2, [r3]	   
080B668A: 200F    mov     r0, #0x0F	   
080B668C: 4010    and     r0, r2	   
080B668E: 4308    orr     r0, r1	   
080B6690: 7018    strb    r0, [r3]	   
080B6692: 4642    mov     r2, r8	   
080B6694: 3287    add     r2, #0x87	   
080B6696: 7810    ldrb    r0, [r2]	   
080B6698: 2609    mov     r6, #0x09	   
080B669A: 4276    neg     r6, r6	   
080B669C: 1C31    add     r1, r6, #0x0	   
080B669E: 4008    and     r0, r1	   
080B66A0: 7010    strb    r0, [r2]	   
080B66A2: 8820    ldrh    r0, [r4]	   
080B66A4: 0500    lsl     r0, r0, #0x14	   
080B66A6: 4694    mov     r12, r2	   
080B66A8: 4669    mov     r1, sp	   
080B66AA: 3108    add     r1, #0x08	   
080B66AC: 910F    str     r1, [sp, #0x03C]	   
080B66AE: 930D    str     r3, [sp, #0x034]	   
080B66B0: 9A14    ldr     r2, [sp, #0x050]	   
080B66B2: 4290    cmp     r0, r2	   
080B66B4: D134    bne     0x080B6720	   
080B66B6: 7818    ldrb    r0, [r3]	   
080B66B8: 0900    lsr     r0, r0, #0x4	   
080B66BA: 9B09    ldr     r3, [sp, #0x024]	   
080B66BC: 4298    cmp     r0, r3	   
080B66BE: D12F    bne     0x080B6720	   
080B66C0: 9E08    ldr     r6, [sp, #0x020]	   
080B66C2: 980A    ldr     r0, [sp, #0x028]	   
080B66C4: 4286    cmp     r6, r0	   
080B66C6: D12B    bne     0x080B6720	   
080B66C8: 4913    ldr     r1, =#0x000003FF	   
080B66CA: 1C08    add     r0, r1, #0x0	   
080B66CC: 1C31    add     r1, r6, #0x0	   
080B66CE: 4001    and     r1, r0	   
080B66D0: 882A    ldrh    r2, [r5]	   
080B66D2: 4812    ldr     r0, =#0xFFFFFC00	   
080B66D4: 4010    and     r0, r2	   
080B66D6: 4308    orr     r0, r1	   
080B66D8: 8028    strh    r0, [r5]	   
080B66DA: 490F    ldr     r1, =#0x000003FF	   
080B66DC: 4031    and     r1, r6	   
080B66DE: 88BA    ldrh    r2, [r7, #0x04]	   
080B66E0: 480E    ldr     r0, =#0xFFFFFC00	   
080B66E2: 4010    and     r0, r2	   
080B66E4: 4308    orr     r0, r1	   
080B66E6: 80B8    strh    r0, [r7, #0x04]	   
080B66E8: 4662    mov     r2, r12	   
080B66EA: 7810    ldrb    r0, [r2]	   
080B66EC: 2104    mov     r1, #0x04	   
080B66EE: 4308    orr     r0, r1	   
080B66F0: 7010    strb    r0, [r2]	   
080B66F2: 4643    mov     r3, r8	   
080B66F4: 3388    add     r3, #0x88	   
080B66F6: 930E    str     r3, [sp, #0x038]	   
080B66F8: 3602    add     r6, #0x02	   
080B66FA: 9612    str     r6, [sp, #0x048]	   
080B66FC: 9E05    ldr     r6, [sp, #0x014]	   
080B66FE: 3640    add     r6, #0x40	   
080B6700: 960C    str     r6, [sp, #0x030]	   
080B6702: 9C06    ldr     r4, [sp, #0x018]	   
080B6704: 3401    add     r4, #0x01	   
080B6706: E069    b       0x080B67DC	   
	   
;080B6708: 01FF    lsl     r7, r7, #0x7	   
;080B670A: 0000    lsl     r0, r0, #0x0	   
;080B670C: FE00    bl      0x080B730E	   
;080B670E: FFFF    bl      0x07EB770E	   
;080B6710: 0FFF    lsr     r7, r7, #0x1F	   
;080B6712: 0000    lsl     r0, r0, #0x0	   
;080B6714: F000    bl       	   
;080B6716: FFFF    bl      0x080B7716	   
;080B6718: 03FF    lsl     r7, r7, #0xF	   
;080B671A: 0000    lsl     r0, r0, #0x0	   
;080B671C: FC00    bl      0x080B6F1E	   
;080B671E: FFFF    bl      0x07CB771E	   
	   
080B6720: A901    add     r1, sp, #0x004	   
080B6722: 2000    mov     r0, #0x00	   
080B6724: 8008    strh    r0, [r1]	   
	   
080B6726: 4855    ldr     r0, =#0x040000D4	   
080B6728: 6001    str     r1, [r0]	   
080B672A: 4641    mov     r1, r8	   
080B672C: 3104    add     r1, #0x04	   
080B672E: 6041    str     r1, [r0, #0x04]	   
080B6730: 4853    ldr     r0, =#0x81000020	   
080B6732: 4A52    ldr     r2, =#0x040000D4	   
080B6734: 6090    str     r0, [r2, #0x08]	   
080B6736: 6890    ldr     r0, [r2, #0x08]	   
080B6738: 1C13    add     r3, r2, #0x0	   
080B673A: 6890    ldr     r0, [r2, #0x08]	   
080B673C: 2280    mov     r2, #0x80	   
080B673E: 0612    lsl     r2, r2, #0x18	   
080B6740: 9110    str     r1, [sp, #0x040]	   
080B6742: 4646    mov     r6, r8	   
080B6744: 3644    add     r6, #0x44	   
080B6746: 3184    add     r1, #0x84	   
080B6748: 910E    str     r1, [sp, #0x038]	   
080B674A: 9908    ldr     r1, [sp, #0x020]	   
080B674C: 3102    add     r1, #0x02	   
080B674E: 9112    str     r1, [sp, #0x048]	   
080B6750: 9905    ldr     r1, [sp, #0x014]	   
080B6752: 3140    add     r1, #0x40	   
080B6754: 910C    str     r1, [sp, #0x030]	   
080B6756: 9C06    ldr     r4, [sp, #0x018]	   
080B6758: 3401    add     r4, #0x01	   
080B675A: 2800    cmp     r0, #0x00	   
080B675C: DA04    bge     0x080B6768	   
080B675E: 1C11    add     r1, r2, #0x0	   
080B6760: 6898    ldr     r0, [r3, #0x08]	   
080B6762: 4008    and     r0, r1	   
080B6764: 2800    cmp     r0, #0x00	   
080B6766: D1FB    bne     0x080B6760	   
080B6768: A901    add     r1, sp, #0x004	   
080B676A: 2000    mov     r0, #0x00	   
080B676C: 8008    strh    r0, [r1]	   
080B676E: 4A43    ldr     r2, =#0x040000D4	   
080B6770: 6011    str     r1, [r2]	   
080B6772: 6056    str     r6, [r2, #0x04]	   
080B6774: 4842    ldr     r0, =#0x81000020	   
080B6776: 6090    str     r0, [r2, #0x08]	   
080B6778: 6890    ldr     r0, [r2, #0x08]	   
080B677A: 6890    ldr     r0, [r2, #0x08]	   
080B677C: 2180    mov     r1, #0x80	   
080B677E: 0609    lsl     r1, r1, #0x18	   
080B6780: 2800    cmp     r0, #0x00	   
080B6782: DA03    bge     0x080B678C	   
080B6784: 6890    ldr     r0, [r2, #0x08]	   
080B6786: 4008    and     r0, r1	   
080B6788: 2800    cmp     r0, #0x00	   
080B678A: D1FB    bne     0x080B6784	   
080B678C: 4B3D    ldr     r3, =#0x000003FF	   
080B678E: 1C18    add     r0, r3, #0x0	   
080B6790: 9908    ldr     r1, [sp, #0x020]	   
080B6792: 4001    and     r1, r0	   
080B6794: 882A    ldrh    r2, [r5]	   
080B6796: 483C    ldr     r0, =#0xFFFFFC00	   
080B6798: 4010    and     r0, r2	   
080B679A: 4308    orr     r0, r1	   
080B679C: 8028    strh    r0, [r5]	   
080B679E: 1C18    add     r0, r3, #0x0	   
080B67A0: 9908    ldr     r1, [sp, #0x020]	   
080B67A2: 4001    and     r1, r0	   
080B67A4: 9108    str     r1, [sp, #0x020]	   
080B67A6: 88B9    ldrh    r1, [r7, #0x04]	   
080B67A8: 4837    ldr     r0, =#0xFFFFFC00	   
080B67AA: 4008    and     r0, r1	   
080B67AC: 9A08    ldr     r2, [sp, #0x020]	   
080B67AE: 4310    orr     r0, r2	   
080B67B0: 80B8    strh    r0, [r7, #0x04]	   
080B67B2: 9B05    ldr     r3, [sp, #0x014]	   
080B67B4: 4640    mov     r0, r8	   
080B67B6: 6003    str     r3, [r0]	   
080B67B8: 4661    mov     r1, r12	   
080B67BA: 7808    ldrb    r0, [r1]	   
080B67BC: 2205    mov     r2, #0x05	   
080B67BE: 4252    neg     r2, r2	   
080B67C0: 1C11    add     r1, r2, #0x0	   
080B67C2: 4008    and     r0, r1	   
080B67C4: 4663    mov     r3, r12	   
080B67C6: 7018    strb    r0, [r3]	   
080B67C8: 990D    ldr     r1, [sp, #0x034]	   
080B67CA: 7808    ldrb    r0, [r1]	   
080B67CC: 0900    lsr     r0, r0, #0x4	   
080B67CE: 9000    str     r0, [sp]	   
080B67D0: 482E    ldr     r0, =#0x086035AC	   
080B67D2: 9910    ldr     r1, [sp, #0x040]	   
080B67D4: 1C32    add     r2, r6, #0x0	   
080B67D6: 464B    mov     r3, r9	   
080B67D8: F008    bl       	   
080B67DA: F9FE    bl      0x080BEBD8	   
080B67DC: 9A04    ldr     r2, [sp, #0x010]	   
080B67DE: 4B2C    ldr     r3, =#0x000050C7	   
080B67E0: 18D1    add     r1, r2, r3	   
080B67E2: 7808    ldrb    r0, [r1]	   
080B67E4: 3001    add     r0, #0x01	   
080B67E6: 7008    strb    r0, [r1]	   
080B67E8: 9E0E    ldr     r6, [sp, #0x038]	   
080B67EA: 46B0    mov     r8, r6	   
080B67EC: 9A12    ldr     r2, [sp, #0x048]	   
080B67EE: 0410    lsl     r0, r2, #0x10	   
080B67F0: 0C00    lsr     r0, r0, #0x10	   
080B67F2: 9008    str     r0, [sp, #0x020]	   
080B67F4: 9B0C    ldr     r3, [sp, #0x030]	   
080B67F6: 9305    str     r3, [sp, #0x014]	   
080B67F8: 7808    ldrb    r0, [r1]	   
080B67FA: 2110    mov     r1, #0x10	   
080B67FC: F009    bl       	   
080B67FE: F8D6    bl      0x080BF9AC	   
080B6800: 2800    cmp     r0, #0x00	   
080B6802: D109    bne     0x080B6818	   
080B6804: 9808    ldr     r0, [sp, #0x020]	   
080B6806: 3020    add     r0, #0x20	   
080B6808: 0400    lsl     r0, r0, #0x10
080B680A: 0C00    lsr     r0, r0, #0x10
080B680C: 9008    str     r0, [sp, #0x020]
080B680E: 2080    mov     r0, #0x80
080B6810: 00C0    lsl     r0, r0, #0x3
080B6812: 9E0C    ldr     r6, [sp, #0x030]
080B6814: 1830    add     r0, r6, r0
080B6816: 9005    str     r0, [sp, #0x014]
080B6818: 990F    ldr     r1, [sp, #0x03C]
080B681A: 8808    ldrh    r0, [r1]
080B681C: 300C    add     r0, #0x0C
080B681E: 9A0B    ldr     r2, [sp, #0x02C]
080B6820: 8010    strh    r0, [r2]	   
080B6822: 0400    lsl     r0, r0, #0x10	   
080B6824: 0C00    lsr     r0, r0, #0x10	   
080B6826: 4653    mov     r3, r10	   
080B6828: 7A9B    ldrb    r3, [r3, #0x0A]	   
080B682A: 4298    cmp     r0, r3	   
080B682C: D905    bls     0x080B683A	   
080B682E: 4656    mov     r6, r10	   
080B6830: 88B0    ldrh    r0, [r6, #0x04]	   
080B6832: 8008    strh    r0, [r1]	   
080B6834: 8850    ldrh    r0, [r2, #0x02]	   
080B6836: 3010    add     r0, #0x10	   
080B6838: 8050    strh    r0, [r2, #0x02]	   
080B683A: 0420    lsl     r0, r4, #0x10	   
080B683C: 0C00    lsr     r0, r0, #0x10	   
080B683E: 9006    str     r0, [sp, #0x018]	   
080B6840: 9803    ldr     r0, [sp, #0x00C]	   
080B6842: 3002    add     r0, #0x02	   
080B6844: 9003    str     r0, [sp, #0x00C]	   
080B6846: 9806    ldr     r0, [sp, #0x018]	   
080B6848: 9907    ldr     r1, [sp, #0x01C]	   
080B684A: 4288    cmp     r0, r1	   
080B684C: D200    bcs     0x080B6850	   
080B684E: E689    b       0x080B6564	   
080B6850: 9A11    ldr     r2, [sp, #0x044]	   
080B6852: 0410    lsl     r0, r2, #0x10	   
080B6854: 0C04    lsr     r4, r0, #0x10	   
080B6856: 9B13    ldr     r3, [sp, #0x04C]	   
080B6858: 469A    mov     r10, r3	   
080B685A: 9E04    ldr     r6, [sp, #0x010]	   
080B685C: 490D    ldr     r1, =#0x00004694	   
080B685E: 1870    add     r0, r6, r1	   
080B6860: 6800    ldr     r0, [r0]	   
080B6862: 7A40    ldrb    r0, [r0, #0x09]	   
080B6864: 4284    cmp     r4, r0	   
080B6866: D200    bcs     0x080B686A	   
080B6868: E656    b       0x080B6518	   
	   
080B686A: B015    add     sp, #0x054	   
080B686C: BC38    pop     {r3, r4, r5}	   
080B686E: 4698    mov     r8, r3	   
080B6870: 46A1    mov     r9, r4	   
080B6872: 46AA    mov     r10, r5	   
080B6874: BCF0    pop     {r4, r5, r6, r7}	   
080B6876: BC01    pop     {r0}	   
080B6878: 4700    bx      r0	   
	   
;080B687A: 0000    lsl     r0, r0, #0x0	   
;080B687C: 00D4    lsl     r4, r2, #0x3	   
;080B687E: 0400    lsl     r0, r0, #0x10	   
;080B6880: 0020    lsl     r0, r4, #0x0	   
;080B6882: 8100    strh    r0, [r0, #0x08]	   
;080B6884: 03FF    lsl     r7, r7, #0xF	   
;080B6886: 0000    lsl     r0, r0, #0x0	   
;080B6888: FC00    bl      0x080B708A	   
;080B688A: FFFF    bl      0x07CB788A	   
;080B688C: 35AC    add     r5, #0xAC	   
;080B688E: 0860    lsr     r0, r4, #0x1	   
;080B6890: 50C7    str     r7, [r0, r3]	   
;080B6892: 0000    lsl     r0, r0, #0x0	   
;080B6894: 4694    mov     r12, r2	   
;080B6896: 0000    lsl     r0, r0, #0x0

$080B694C - ?

080B694C: B510    push    {r4, lr}
080B694E: 1C0C    add     r4, r1, #0x0				; r4 = Orig. r1
080B6950: 0411    lsl     r1, r2, #0x10
080B6952: 2080    mov     r0, #0x80
080B6954: 0340    lsl     r0, r0, #0xD				; r0 = #$00100000
080B6956: 1809    add     r1, r1, r0
080B6958: 0C09    lsr     r1, r1, #0x10				; r1 = Orig. r2 + #$10 AND #$0000FFFF
080B695A: 1C20    add     r0, r4, #0x0				; r0 = Orig. r1
080B695C: F7FB    bl       
080B695E: FABE    bl      0x080B1EDC				; ?
080B6960: 8820    ldrh    r0, [r4]
080B6962: 300C    add     r0, #0x0C
080B6964: 8020    strh    r0, [r4]				; Orig. r1 = Orig. r1 + #$0C
080B6966: BC10    pop     {r4}
080B6968: BC01    pop     {r0}
080B696A: 4700    bx      r0

$080B6970 - ?

Whenever this is called in the intro, r0 = #$0203BC10

Other register values on the first call are:

r1 = #$00000001

r2 = #$00000001

r3 = #$00000000

This subroutine does:

  • Add a new entry on stack, temp store r2 and r3 there
  • Clear Bits 1 and 2 of $0203CABC (r0 + #$0EAC)
  • Clear #$E94 bytes from $0203BC10 (r0) on
  • LEFT OUT IF r2 = #$00: Call of $080B74E0 (SRAM-related)
  • LEFT OUT IF r2 = #$00: Set Bit 0 of $0203CABC (r0 + $00000EAC)
  • LEFT OUT IF r2 = ? (Some weird is-Bit-Set-testing and branching)
  • LEFT OUT IF r2 = Transfer #$18 bytes from the address in $0203F3C4 to $0203CAA4 (r0 + E94)
  • Check if $020000E4 = #$0800170D or #$08001719. If it is, leave out next point
  • MAYBE LEFT OUT: $0203F3AC = r0 (#$02), $0203F3B4-7 = #$04000108, $020000E4 = #$080BFB0D
  • .....NOT FINISHED.....
080B6970: B570    push    {r4, r5, r6, lr}
080B6972: B081    add     sp, #-0x004			; Add new stack entry

080B6974: 1C05    add     r5, r0, #0x0			; r5 = Orig. r0
080B6976: 4668    mov     r0, sp
080B6978: 7002    strb    r2, [r0]			; Store r2 in new Stack Entry (BYTE)
080B697A: 466C    mov     r4, sp
080B697C: 3401    add     r4, #0x01			; INC r4 (store address)
080B697E: 7023    strb    r3, [r4]			; Store r3 in new Stack Entry, second byte (BYTE) 

080B6980: 4819    ldr     r0, =#0x00000EAC
080B6982: 182A    add     r2, r5, r0
080B6984: 7811    ldrb    r1, [r2]			; r1 = [Orig. r0 + #$0EAC] ($0203CABC)
080B6986: 2003    mov     r0, #0x03
080B6988: 4240    neg     r0, r0			; r0 = #$FFFFFFFD = %... 1111.1101
080B698A: 4008    and     r0, r1
080B698C: 2105    mov     r1, #0x05
080B698E: 4249    neg     r1, r1			; r0 = #$FFFFFFFB = %... 1111.1011
080B6990: 4008    and     r0, r1
080B6992: 7010    strb    r0, [r2]			; Store back

080B6994: 4669    mov     r1, sp
080B6996: 3102    add     r1, #0x02
080B6998: 2000    mov     r0, #0x00
080B699A: 8008    strh    r0, [r1]			; Store #$0000 on Stack (DOUBLEBYTE)
								; Thus, it forms a 4-byte-value with the r2 and r3 values

080B699C: 4813    ldr     r0, =#0x040000D4
080B699E: 6001    str     r1, [r0]			; Store that stack address as DMA Source Address
080B69A0: 6045    str     r5, [r0, #0x04]		; Original r0 is the destination address
080B69A2: 4913    ldr     r1, =#0x8100074A		; Fixed transfer for #$E94 bytes
080B69A4: 6081    str     r1, [r0, #0x08]		; ACTIVATE DMA

080B69A6: 6881    ldr     r1, [r0, #0x08]
080B69A8: 1C01    add     r1, r0, #0x0
080B69AA: 6888    ldr     r0, [r1, #0x08]
080B69AC: 2280    mov     r2, #0x80
080B69AE: 0612    lsl     r2, r2, #0x18
080B69B0: 2800    cmp     r0, #0x00
080B69B2: DA03    bge     0x080B69BC			; Branch if DMA is finished

080B69B4: 6888    ldr     r0, [r1, #0x08]
080B69B6: 4010    and     r0, r2
080B69B8: 2800    cmp     r0, #0x00
080B69BA: D1FB    bne     0x080B69B4			; Loop if DMA isn't finished

080B69BC: 4668    mov     r0, sp
080B69BE: 7800    ldrb    r0, [r0]
080B69C0: 2800    cmp     r0, #0x00
080B69C2: D01F    beq     0x080B6A04			; branch if last byte on stack (Original r2 value) = #$00

080B69C4: F000    bl       
080B69C6: FD8C    bl      0x080B74E0			; Load a set of values according to two SRAM bytes, compare one value, set r0 to 1 or 0

080B69C8: 4907    ldr     r1, =#0x00000EAC
080B69CA: 186B    add     r3, r5, r1			; Originally r0 + $00000EAC (This is the same address as above, we ANDed something there)
080B69CC: 2101    mov     r1, #0x01
080B69CE: 4001    and     r1, r0			; r1 = r0 (r0 can only be 01 or 00, and with this AND, r1 only remains 01 if r0 was it, too)
080B69D0: 781A    ldrb    r2, [r3]			; Load the already ANDed value
080B69D2: 2002    mov     r0, #0x02
080B69D4: 4240    neg     r0, r0
080B69D6: 4010    and     r0, r2			; AND it with #$FFFFFFFE (remove LSB)
080B69D8: 4308    orr     r0, r1			; Add LSB according to r1
080B69DA: 7018    strb    r0, [r3]			; Store back


080B69DC: 2101    mov     r1, #0x01
080B69DE: 4008    and     r0, r1			; Set the may-be-set LSB free from all the other stuff again
080B69E0: 2800    cmp     r0, #0x00
080B69E2: D107    bne     0x080B69F4			; Branch if it was set

080B69E4: 2000    mov     r0, #0x00			;... useless? I mean, r0 must be empty anyways...?
080B69E6: E02B    b       0x080B6A40			; Exit

;080B69E8: 0EAC    lsr     r4, r5, #0x1A
;080B69EA: 0000    lsl     r0, r0, #0x0
;080B69EC: 00D4    lsl     r4, r2, #0x3
;080B69EE: 0400    lsl     r0, r0, #0x10
;080B69F0: 074A    lsl     r2, r1, #0x1D
;080B69F2: 8100    strh    r0, [r0, #0x08]

; TRANSFER 6 x 4 BYTES
080B69F4: 4814    ldr     r0, =#0x0203F3C4
080B69F6: 4A15    ldr     r2, =#0x00000E94
080B69F8: 18A9    add     r1, r5, r2			; Original r0 + $00000E94
080B69FA: 6800    ldr     r0, [r0]			; Load value in $0203F3C4
080B69FC: C84C    ldmia   r0!, {r2, r3, r6}		; Load first 4 bytes in r2, second 4 bytes in r3, third 4 bytes in r6
080B69FE: C14C    stmia   r1!, {r2, r3, r6}
080B6A00: C84C    ldmia   r0!, {r2, r3, r6}
080B6A02: C14C    stmia   r1!, {r2, r3, r6}

; CHECK IF [$020000E4] IS #$0800170D OR #$08001719
080B6A04: 4912    ldr     r1, =#0x020000D0
080B6A06: 694A    ldr     r2, [r1, #0x14]		; r2 = [$020000E4]
080B6A08: 4812    ldr     r0, =#0x0800170D
080B6A0A: 4282    cmp     r2, r0
080B6A0C: D006    beq     0x080B6A1C			; branch if [$020000E4] = #$0800170D
080B6A0E: 4812    ldr     r0, =#0x08001719
080B6A10: 4282    cmp     r2, r0
080B6A12: D003    beq     0x080B6A1C			; branch if [$020000E4] = #$08001719

080B6A14: 3114    add     r1, #0x14			; r1 = $020000E4
080B6A16: 2002    mov     r0, #0x02			; r0 = $00000002		- Timer 2 ( $0400108)
080B6A18: F009    bl       
080B6A1A: F88A    bl      0x080BFB30			; $0203F3AC = r0 (#$02), $0203F3B4-7 = #$04000108, $020000E4 = #$080BFB0D

080B6A1C: 7821    ldrb    r1, [r4]			; r4 = sp, 0x01 = Original r3
080B6A1E: 1C28    add     r0, r5, #0x0			; r0 = r5 = Original r0

080B6A20: F000    bl       
080B6A22: F866    bl      0x080B6AF0			; Stack clear DMA, clear DMA for r0 (74A doublebytes)

080B6A24: 0600    lsl     r0, r0, #0x18
080B6A26: 2800    cmp     r0, #0x00
080B6A28: D109    bne     0x080B6A3E

080B6A2A: 4B0C    ldr     r3, =#0x00000EAC
080B6A2C: 18E9    add     r1, r5, r3
080B6A2E: 780C    ldrb    r4, [r1]
080B6A30: 2002    mov     r0, #0x02
080B6A32: 4020    and     r0, r4
080B6A34: 2800    cmp     r0, #0x00
080B6A36: D102    bne     0x080B6A3E
080B6A38: 2004    mov     r0, #0x04
080B6A3A: 4320    orr     r0, r4
080B6A3C: 7008    strb    r0, [r1]
080B6A3E: 2001    mov     r0, #0x01

080B6A40: B001    add     sp, #0x004
080B6A42: BC70    pop     {r4, r5, r6}
080B6A44: BC02    pop     {r1}
080B6A46: 4708    bx      r1
080B6A48: F3C4    bl       

;DATA
;=========
;080B6A4A: 0203    lsl     r3, r0, #0x8
;080B6A4C: 0E94    lsr     r4, r2, #0x1A
;080B6A4E: 0000    lsl     r0, r0, #0x0
;080B6A50: 00D0    lsl     r0, r2, #0x3
;080B6A52: 0200    lsl     r0, r0, #0x8
;080B6A54: 170D    asr     r5, r1, #0x1C
;080B6A56: 0800    lsr     r0, r0, #0x0
;080B6A58: 1719    asr     r1, r3, #0x1C
;080B6A5A: 0800    lsr     r0, r0, #0x0
;080B6A5C: 0EAC    lsr     r4, r5, #0x1A
;080B6A5E: 0000    lsl     r0, r0, #0x0

$080B6AAC - ?

080B6AAC: B510    push    {r4, lr}

080B6AAE: 1C04    add     r4, r0, #0x0
080B6AB0: 1C22    add     r2, r4, #0x0
080B6AB2: 326D    add     r2, #0x6D
080B6AB4: 7811    ldrb    r1, [r2]
080B6AB6: 2011    mov     r0, #0x11
080B6AB8: 4240    neg     r0, r0
080B6ABA: 4008    and     r0, r1
080B6ABC: 7010    strb    r0, [r2]
080B6ABE: F000    bl       
080B6AC0: FB81    bl      0x080B71C4
080B6AC2: 1C20    add     r0, r4, #0x0
080B6AC4: 2104    mov     r1, #0x04
080B6AC6: F000    bl       
080B6AC8: FBAF    bl      0x080B7228
080B6ACA: 1C20    add     r0, r4, #0x0
080B6ACC: 2109    mov     r1, #0x09
080B6ACE: F000    bl       
080B6AD0: FBAB    bl      0x080B7228
080B6AD2: 1C20    add     r0, r4, #0x0
080B6AD4: 2101    mov     r1, #0x01
080B6AD6: 2201    mov     r2, #0x01
080B6AD8: F000    bl       
080B6ADA: F99C    bl      0x080B6E14
080B6ADC: 2001    mov     r0, #0x01

080B6ADE: BC10    pop     {r4}
080B6AE0: BC02    pop     {r1}
080B6AE2: 4708    bx      r1

$080B6AF0 - ?

; Setting up a fixed DMA to clear $1000 bytes of stack
080B6AF0: B530    push    {r4, r5, lr}
080B6AF2: 4C20    ldr     r4, =#0xFFFFEFF8
080B6AF4: 44A5    add     sp, r4				; add #$FFFFEFF8 to sp = sp - #$0001008 (gets removed at the end)
080B6AF6: 1C04    add     r4, r0, #0x0				; r4 = r0
080B6AF8: 4668    mov     r0, sp				; r0 = sp
080B6AFA: 7001    strb    r1, [r0]				; [sp] = r1

080B6AFC: 4A1E    ldr     r2, =#0x00001004
080B6AFE: 446A    add     r2, sp				; r1 = sp + #$00001004
080B6B00: 2000    mov     r0, #0x00
080B6B02: 8010    strh    r0, [r2]				; clear sp + #$00001004

080B6B04: 491D    ldr     r1, =#0x040000D4			; FIXED DMA TO CLEAR THE NEW STACK AREA
080B6B06: 600A    str     r2, [r1]				; DMA Source Address: sp + #$00001004
080B6B08: AA01    add     r2, sp, #0x004
080B6B0A: 604A    str     r2, [r1, #0x04]			; DMA Destination Address: Stack Pointer + 4
080B6B0C: 481C    ldr     r0, =#0x81000800			; Fixed DMA, transfer 800 doublebytes
080B6B0E: 6088    str     r0, [r1, #0x08]			; ENABLE DMA
080B6B10: 6888    ldr     r0, [r1, #0x08]
080B6B12: 6888    ldr     r0, [r1, #0x08]
080B6B14: 2380    mov     r3, #0x80
080B6B16: 061B    lsl     r3, r3, #0x18
080B6B18: 1C15    add     r5, r2, #0x0
080B6B1A: 2800    cmp     r0, #0x00
080B6B1C: DA04    bge     0x080B6B28				; Branch if DMA is done

080B6B1E: 1C1A    add     r2, r3, #0x0
080B6B20: 6888    ldr     r0, [r1, #0x08]
080B6B22: 4010    and     r0, r2
080B6B24: 2800    cmp     r0, #0x00
080B6B26: D1FB    bne     0x080B6B20				; Loop if DMA isn't done

; Clear $74A doublebytes at the address in r0
080B6B28: 4913    ldr     r1, =#0x00001004
080B6B2A: 4469    add     r1, sp				; r1 = sp + #$00001004
080B6B2C: 2000    mov     r0, #0x00
080B6B2E: 8008    strh    r0, [r1]				; clear sp + #$00001004

080B6B30: 4812    ldr     r0, =#0x040000D4
080B6B32: 6001    str     r1, [r0]				; DMA Source Address: sp + #$00001004 (CLEAR)
080B6B34: 6044    str     r4, [r0, #0x04]			; DMA Destination Address: Original r0
080B6B36: 4913    ldr     r1, =#0x8100074A			; Fixed DMA, #$74A doublebytes (= #$E94 Bytes)
080B6B38: 6081    str     r1, [r0, #0x08]			; ENABLE DMA
080B6B3A: 6881    ldr     r1, [r0, #0x08]
080B6B3C: 1C02    add     r2, r0, #0x0
080B6B3E: 6890    ldr     r0, [r2, #0x08]
080B6B40: 2180    mov     r1, #0x80
080B6B42: 0609    lsl     r1, r1, #0x18
080B6B44: 2800    cmp     r0, #0x00
080B6B46: DA03    bge     0x080B6B50				; branch if DMA is done

080B6B48: 6890    ldr     r0, [r2, #0x08]
080B6B4A: 4008    and     r0, r1
080B6B4C: 2800    cmp     r0, #0x00
080B6B4E: D1FB    bne     0x080B6B48				; Loop if DMA isn't done

080B6B50: 2000    mov     r0, #0x00
080B6B52: 1C29    add     r1, r5, #0x0
080B6B54: 2201    mov     r2, #0x01
080B6B56: F000    bl       
080B6B58: FCCF    bl      0x080B74F8			; Load some data from SRAM to WRAM, check if the transfer was flawless
080B6B5A: 1C20    add     r0, r4, #0x0
080B6B5C: 1C29    add     r1, r5, #0x0
080B6B5E: F000    bl       
080B6B60: F829    bl      0x080B6BB4
080B6B62: 0600    lsl     r0, r0, #0x18
080B6B64: 2800    cmp     r0, #0x00
080B6B66: D10F    bne     0x080B6B88
080B6B68: 1C20    add     r0, r4, #0x0
080B6B6A: F000    bl       
080B6B6C: FC53    bl      0x080B7414
080B6B6E: 2000    mov     r0, #0x00
080B6B70: E017    b       0x080B6BA2			; Exit

;DATA
;=============
;080B6B72: 0000    lsl     r0, r0, #0x0
;080B6B74: EFF8    ???      
;080B6B76: FFFF    bl      0x080AFB76
;080B6B78: 1004    asr     r4, r0, #0x0
;080B6B7A: 0000    lsl     r0, r0, #0x0
;080B6B7C: 00D4    lsl     r4, r2, #0x3
;080B6B7E: 0400    lsl     r0, r0, #0x10
;080B6B80: 0800    lsr     r0, r0, #0x0
;080B6B82: 8100    strh    r0, [r0, #0x08]
;080B6B84: 074A    lsl     r2, r1, #0x1D
;080B6B86: 8100    strh    r0, [r0, #0x08]

080B6B88: 4A08    ldr     r2, =#0x00000E94	; Number of Bytes to transfer
080B6B8A: 1C20    add     r0, r4, #0x0		; Destination Address
080B6B8C: 1C29    add     r1, r5, #0x0		; Source Address
080B6B8E: F00B    bl       
080B6B90: FA29    bl      0x080C1FE4		; Data Transfer
080B6B92: 4668    mov     r0, sp
080B6B94: 7800    ldrb    r0, [r0]
080B6B96: 2800    cmp     r0, #0x00
080B6B98: D002    beq     0x080B6BA0
080B6B9A: 1C20    add     r0, r4, #0x0
080B6B9C: F000    bl       
080B6B9E: F83A    bl      0x080B6C14
080B6BA0: 2001    mov     r0, #0x01

080B6BA2: 4B03    ldr     r3, =#0x00001008
080B6BA4: 449D    add     sp, r3		; restore old stack (see above) and registers, exit
080B6BA6: BC30    pop     {r4, r5}
080B6BA8: BC02    pop     {r1}
080B6BAA: 4708    bx      r1

;DATA
;=============
;080B6BAC: 0E94    lsr     r4, r2, #0x1A
;080B6BAE: 0000    lsl     r0, r0, #0x0
;080B6BB0: 1008    asr     r0, r1, #0x0
;080B6BB2: 0000    lsl     r0, r0, #0x0

$080B6BB4 - ?

This subroutine is left with a "flag value" in bit 0 of r0.

080B6BB4: B530    push    {r4, r5, lr}
080B6BB6: B081    add     sp, #-0x004

080B6BB8: 1C05    add     r5, r0, #0x0
080B6BBA: 1C0C    add     r4, r1, #0x0
080B6BBC: 2180    mov     r1, #0x80
080B6BBE: 0149    lsl     r1, r1, #0x5		; r1 = $00010000 (Counter value for following subroutine)
080B6BC0: 1C20    add     r0, r4, #0x0		; r0 = r4 = original r1 (Address for following subroutine)
080B6BC2: F007    bl       
080B6BC4: FFF1    bl      0x080BEBA8		; Checksum calculation!?!

080B6BC6: 9000    str     r0, [sp]
080B6BC8: 9900    ldr     r1, [sp]
080B6BCA: 4809    ldr     r0, =#0x07FFF800
080B6BCC: 4281    cmp     r1, r0
080B6BCE: D013    beq     0x080B6BF8
080B6BD0: 9800    ldr     r0, [sp]
080B6BD2: 0400    lsl     r0, r0, #0x10
080B6BD4: 1400    asr     r0, r0, #0x10	; Load result of SR $080BEBA8 and remove upper two bytes
080B6BD6: 2101    mov     r1, #0x01
080B6BD8: 4249    neg     r1, r1
080B6BDA: 4288    cmp     r0, r1		; Are the lower two bytes = #$FFFE?
080B6BDC: D112    bne     0x080B6C04		; If not, exit with r0 = #$00000000
080B6BDE: 8820    ldrh    r0, [r4]
080B6BE0: 2807    cmp     r0, #0x07		; Is the lower half of the original r1 = #$0007?
080B6BE2: D10F    bne     0x080B6C04		; If not, exit with r0 = #$00000000
080B6BE4: 8861    ldrh    r1, [r4, #0x02]
080B6BE6: 4803    ldr     r0, =#0x0000564D
080B6BE8: 4281    cmp     r1, r0		; Is the upper half of the original r1 = #$564D?
080B6BEA: D10B    bne     0x080B6C04		; If not, exit with r0 = #$00000000
080B6BEC: 2001    mov     r0, #0x01
080B6BEE: E00A    b       0x080B6C06		; Else, exit with r0 = #$00000001

;080B6BF0: F800    bl      0x080C0BF2
;080B6BF2: 07FF    lsl     r7, r7, #0x1F
;080B6BF4: 564D    ldsb    r5, [r1, r1]
;080B6BF6: 0000    lsl     r0, r0, #0x0

080B6BF8: 4905    ldr     r1, =#0x00000EAC
080B6BFA: 1868    add     r0, r5, r1
080B6BFC: 7801    ldrb    r1, [r0]
080B6BFE: 2202    mov     r2, #0x02
080B6C00: 4311    orr     r1, r2
080B6C02: 7001    strb    r1, [r0]
080B6C04: 2000    mov     r0, #0x00

080B6C06: B001    add     sp, #0x004
080B6C08: BC30    pop     {r4, r5}
080B6C0A: BC02    pop     {r1}
080B6C0C: 4708    bx      r1

;080B6C0E: 0000    lsl     r0, r0, #0x0
;080B6C10: 0EAC    lsr     r4, r5, #0x1A
;080B6C12: 0000    lsl     r0, r0, #0x0

$080B6C14 - (Data Transfer to $0202C990)

r0 contains an address. #$80 are added to that address and it is used as the Source address for the Data Transfer. From that address #$E10 Bytes are transferred to $0202C990

080B6C14: B500    push    {lr}
080B6C16: 1C01    add     r1, r0, #0x0
080B6C18: 4803    ldr     r0, =#0x0202C990		; Data Transfer Destination address: $0202C990
080B6C1A: 3180    add     r1, #0x80
080B6C1C: 22E1    mov     r2, #0xE1			; Data Transfer Source address: Original r0 + #$00000080
080B6C1E: 0112    lsl     r2, r2, #0x4			; Data Transfer Data Size: #$00000E10 Bytes
080B6C20: F00B    bl       
080B6C22: F9E0    bl      0x080C1FE4			; Data Transfer
080B6C24: BC01    pop     {r0}
080B6C26: 4700    bx      r0

;DATA
;==============
;080B6C28: C990    ldmia   r1!, {r4, r7}
;080B6C2A: 0202    lsl     r2, r0, #0x8

$080B6E14 - ?

080B6E14: B570    push    {r4, r5, r6, lr}
080B6E16: 4C1A    ldr     r4, =#0xFFFFEFF8
080B6E18: 44A5    add     sp, r4			; Add #$1008 Bytes to stack

080B6E1A: 1C05    add     r5, r0, #0x0			; Tempstore Original r0
080B6E1C: 4668    mov     r0, sp
080B6E1E: 7001    strb    r1, [r0]			; Store r1 (byte sized) on Stack
080B6E20: 466B    mov     r3, sp
080B6E22: 3301    add     r3, #0x01
080B6E24: 701A    strb    r2, [r3]			; Store r2 (byte sized) on Stack, right next to r1
080B6E26: 4A17    ldr     r2, =#0x00001004
080B6E28: 446A    add     r2, sp			; Calculate "old" start point of stack

080B6E2A: 2000    mov     r0, #0x00			; CLEAR THE #$1000 BYTES ON STACK VIA FIXED DMA
080B6E2C: 8010    strh    r0, [r2]
080B6E2E: 4916    ldr     r1, =#0x040000D4
080B6E30: 600A    str     r2, [r1]
080B6E32: AA01    add     r2, sp, #0x004
080B6E34: 604A    str     r2, [r1, #0x04]
080B6E36: 4815    ldr     r0, =#0x81000800
080B6E38: 6088    str     r0, [r1, #0x08]
080B6E3A: 6888    ldr     r0, [r1, #0x08]
080B6E3C: 6888    ldr     r0, [r1, #0x08]
080B6E3E: 2480    mov     r4, #0x80
080B6E40: 0624    lsl     r4, r4, #0x18
080B6E42: 1C16    add     r6, r2, #0x0
080B6E44: 2800    cmp     r0, #0x00
080B6E46: DA04    bge     0x080B6E52			; Branch if DMA is complete

080B6E48: 1C22    add     r2, r4, #0x0
080B6E4A: 6888    ldr     r0, [r1, #0x08]
080B6E4C: 4010    and     r0, r2
080B6E4E: 2800    cmp     r0, #0x00
080B6E50: D1FB    bne     0x080B6E4A			; Loop if DMA isn't complete

080B6E52: 4668    mov     r0, sp
080B6E54: 7801    ldrb    r1, [r0]			; r1 = Original r1
080B6E56: 781A    ldrb    r2, [r3]			; r2 = Original r2
080B6E58: 1C28    add     r0, r5, #0x0			; r0 = Original r0
080B6E5A: F000    bl       
080B6E5C: F81D    bl      0x080B6E98			; ?

080B6E5E: 4A0C    ldr     r2, =#0x00000E94		; Number of Bytes to transfer
080B6E60: 1C30    add     r0, r6, #0x0			; r6 = Store Address
080B6E62: 1C29    add     r1, r5, #0x0			; r5 = Load Address
080B6E64: F00B    bl       
080B6E66: F8BE    bl      0x080C1FE4			; Data Transfer

080B6E68: 2000    mov     r0, #0x00
080B6E6A: 1C31    add     r1, r6, #0x0
080B6E6C: 2201    mov     r2, #0x01
080B6E6E: F000    bl       
080B6E70: FB75    bl      0x080B755C			; ?

080B6E72: 2001    mov     r0, #0x01
080B6E74: 4B07    ldr     r3, =#0x00001008		; Restore old Stack and Exit
080B6E76: 449D    add     sp, r3
080B6E78: BC70    pop     {r4, r5, r6}
080B6E7A: BC02    pop     {r1}
080B6E7C: 4708    bx      r1

;DATA
;=============
;080B6E7E: 0000    lsl     r0, r0, #0x0
;080B6E80: EFF8    ???      
;080B6E82: FFFF    bl      0x080AFE82
;080B6E84: 1004    asr     r4, r0, #0x0
;080B6E86: 0000    lsl     r0, r0, #0x0
;080B6E88: 00D4    lsl     r4, r2, #0x3
;080B6E8A: 0400    lsl     r0, r0, #0x10
;080B6E8C: 0800    lsr     r0, r0, #0x0
;080B6E8E: 8100    strh    r0, [r0, #0x08]
;080B6E90: 0E94    lsr     r4, r2, #0x1A
;080B6E92: 0000    lsl     r0, r0, #0x0
;080B6E94: 1008    asr     r0, r1, #0x0
;080B6E96: 0000    lsl     r0, r0, #0x0

$080B6E98 - ?

r0 contains an address. r1 and r2 contain byte sized values.

Through testing, I found out that this has to do with SRAM writing. This is only executed if the Save Data is corrupted (or non-existent). r0 (and later r6) contain #$0203BC10 then (SRAM Buffer?).

080B6E98: B5F0    push    {r4, r5, r6, r7, lr}
080B6E9A: 4657    mov     r7, r10
080B6E9C: 464E    mov     r6, r9
080B6E9E: 4645    mov     r5, r8
080B6EA0: B4E0    push    {r5, r6, r7}
080B6EA2: B084    add     sp, #-0x010

080B6EA4: 1C06    add     r6, r0, #0x0
080B6EA6: 4668    mov     r0, sp
080B6EA8: 7001    strb    r1, [r0]		; Store r1 (Byte sized) in a newly added Stack entry
080B6EAA: 466C    mov     r4, sp
080B6EAC: 3401    add     r4, #0x01
080B6EAE: 7022    strb    r2, [r4]		; Store r2 (Byte sized) in a newly added Stack entry
080B6EB0: 2500    mov     r5, #0x00
080B6EB2: 2007    mov     r0, #0x07
080B6EB4: 8030    strh    r0, [r6]		; Writes "07" in the first Byte of SRAM(-Buffer?)
080B6EB6: 204D    mov     r0, #0x4D
080B6EB8: 70B0    strb    r0, [r6, #0x02]	; Hexcode for ASCII "M"
080B6EBA: 2056    mov     r0, #0x56
080B6EBC: 70F0    strb    r0, [r6, #0x03]	; Hexcode for ASCII "V"
080B6EBE: 4668    mov     r0, sp
080B6EC0: 7800    ldrb    r0, [r0]
080B6EC2: 494D    ldr     r1, =#0x00000E92
080B6EC4: 1872    add     r2, r6, r1
080B6EC6: 2701    mov     r7, #0x01
080B6EC8: 1C3B    add     r3, r7, #0x0
080B6ECA: 4003    and     r3, r0
080B6ECC: 7811    ldrb    r1, [r2]
080B6ECE: 2002    mov     r0, #0x02
080B6ED0: 4240    neg     r0, r0
080B6ED2: 4681    mov     r9, r0
080B6ED4: 4008    and     r0, r1
080B6ED6: 4318    orr     r0, r3
080B6ED8: 7010    strb    r0, [r2]
080B6EDA: 21E9    mov     r1, #0xE9
080B6EDC: 0109    lsl     r1, r1, #0x4
080B6EDE: 1870    add     r0, r6, r1
080B6EE0: 8801    ldrh    r1, [r0]
080B6EE2: 8005    strh    r5, [r0]
080B6EE4: 8811    ldrh    r1, [r2]
080B6EE6: 2001    mov     r0, #0x01
080B6EE8: 4008    and     r0, r1
080B6EEA: 8010    strh    r0, [r2]
080B6EEC: 7820    ldrb    r0, [r4]
080B6EEE: 2800    cmp     r0, #0x00
080B6EF0: D100    bne     0x080B6EF4
080B6EF2: E13E    b       0x080B7172

080B6EF4: 4841    ldr     r0, =#0x0203BB5C
080B6EF6: 6800    ldr     r0, [r0]
080B6EF8: 6730    str     r0, [r6, #0x70]
080B6EFA: 4A41    ldr     r2, =#0x02032700
080B6EFC: 4690    mov     r8, r2
080B6EFE: 4841    ldr     r0, =#0x00009210
080B6F00: 4440    add     r0, r8
080B6F02: 6800    ldr     r0, [r0]
080B6F04: 6770    str     r0, [r6, #0x74]
080B6F06: 4B40    ldr     r3, =#0x0203BB3E
080B6F08: 8818    ldrh    r0, [r3]
080B6F0A: 1C31    add     r1, r6, #0x0
080B6F0C: 317A    add     r1, #0x7A
080B6F0E: 8008    strh    r0, [r1]
080B6F10: 4C3E    ldr     r4, =#0x0202D7A0
080B6F12: 483F    ldr     r0, =#0x0000026A
080B6F14: 1823    add     r3, r4, r0
080B6F16: 7818    ldrb    r0, [r3]
080B6F18: 06C0    lsl     r0, r0, #0x1B
080B6F1A: 1C35    add     r5, r6, #0x0
080B6F1C: 357E    add     r5, #0x7E
080B6F1E: 0FC0    lsr     r0, r0, #0x1F
080B6F20: 4038    and     r0, r7
080B6F22: 782A    ldrb    r2, [r5]
080B6F24: 4649    mov     r1, r9
080B6F26: 4011    and     r1, r2
080B6F28: 4301    orr     r1, r0
080B6F2A: 8818    ldrh    r0, [r3]
080B6F2C: 05C0    lsl     r0, r0, #0x17
080B6F2E: 0F00    lsr     r0, r0, #0x1C
080B6F30: 0040    lsl     r0, r0, #0x1
080B6F32: 221F    mov     r2, #0x1F
080B6F34: 4252    neg     r2, r2
080B6F36: 4011    and     r1, r2
080B6F38: 4301    orr     r1, r0
080B6F3A: 4836    ldr     r0, =#0x02029CB0
080B6F3C: 308B    add     r0, #0x8B
080B6F3E: 7800    ldrb    r0, [r0]
080B6F40: 0840    lsr     r0, r0, #0x1
080B6F42: 4038    and     r0, r7
080B6F44: 4038    and     r0, r7
080B6F46: 0140    lsl     r0, r0, #0x5
080B6F48: 3A02    sub     r2, #0x02
080B6F4A: 4011    and     r1, r2
080B6F4C: 4301    orr     r1, r0
080B6F4E: 7029    strb    r1, [r5]
080B6F50: 20FF    mov     r0, #0xFF
080B6F52: F002    bl       
080B6F54: FDB5    bl      0x080B9AC0
080B6F56: 1C39    add     r1, r7, #0x0
080B6F58: 4001    and     r1, r0
080B6F5A: 0189    lsl     r1, r1, #0x6
080B6F5C: 782A    ldrb    r2, [r5]
080B6F5E: 2041    mov     r0, #0x41
080B6F60: 4240    neg     r0, r0
080B6F62: 4010    and     r0, r2
080B6F64: 4308    orr     r0, r1
080B6F66: 7028    strb    r0, [r5]
080B6F68: 482B    ldr     r0, =#0x0200010C
080B6F6A: 7801    ldrb    r1, [r0]
080B6F6C: 01C9    lsl     r1, r1, #0x7
080B6F6E: 882A    ldrh    r2, [r5]
080B6F70: 482A    ldr     r0, =#0xFFFF807F
080B6F72: 4010    and     r0, r2
080B6F74: 4308    orr     r0, r1
080B6F76: 8028    strh    r0, [r5]
080B6F78: 219A    mov     r1, #0x9A
080B6F7A: 0089    lsl     r1, r1, #0x2
080B6F7C: 1864    add     r4, r4, r1
080B6F7E: 8821    ldrh    r1, [r4]
080B6F80: 1C30    add     r0, r6, #0x0
080B6F82: 307C    add     r0, #0x7C
080B6F84: 8001    strh    r1, [r0]
080B6F86: 1C32    add     r2, r6, #0x0
080B6F88: 327F    add     r2, #0x7F
080B6F8A: 7811    ldrb    r1, [r2]
080B6F8C: 207F    mov     r0, #0x7F
080B6F8E: 4008    and     r0, r1
080B6F90: 7010    strb    r0, [r2]
080B6F92: 4823    ldr     r0, =#0x0000944E
080B6F94: 4440    add     r0, r8
080B6F96: 7801    ldrb    r1, [r0]
080B6F98: 070A    lsl     r2, r1, #0x1C
080B6F9A: 0FD2    lsr     r2, r2, #0x1F
080B6F9C: 06C8    lsl     r0, r1, #0x1B
080B6F9E: 0FC0    lsr     r0, r0, #0x1F
080B6FA0: 4302    orr     r2, r0
080B6FA2: 0689    lsl     r1, r1, #0x1A
080B6FA4: 0FC9    lsr     r1, r1, #0x1F
080B6FA6: 430A    orr     r2, r1
080B6FA8: 2A00    cmp     r2, #0x00
080B6FAA: D105    bne     0x080B6FB8
080B6FAC: 481D    ldr     r0, =#0x0000943C
080B6FAE: 4440    add     r0, r8
080B6FB0: 8801    ldrh    r1, [r0]
080B6FB2: 1C30    add     r0, r6, #0x0
080B6FB4: 3078    add     r0, #0x78
080B6FB6: 8001    strh    r1, [r0]
080B6FB8: 1D34    add     r4, r6, #0x4
080B6FBA: 2500    mov     r5, #0x00
080B6FBC: 1C32    add     r2, r6, #0x0
080B6FBE: 324C    add     r2, #0x4C
080B6FC0: 9202    str     r2, [sp, #0x008]
080B6FC2: 236C    mov     r3, #0x6C
080B6FC4: 199B    add     r3, r3, r6
080B6FC6: 4698    mov     r8, r3
080B6FC8: 276D    mov     r7, #0x6D
080B6FCA: 19BF    add     r7, r7, r6
080B6FCC: 46BA    mov     r10, r7
080B6FCE: 1C30    add     r0, r6, #0x0
080B6FD0: 3080    add     r0, #0x80
080B6FD2: 9003    str     r0, [sp, #0x00C]
080B6FD4: 490C    ldr     r1, =#0x0203BB3E
080B6FD6: 8809    ldrh    r1, [r1]
080B6FD8: 428D    cmp     r5, r1
080B6FDA: D300    bcc     0x080B6FDE
080B6FDC: E082    b       0x080B70E4

080B6FDE: 221F    mov     r2, #0x1F
080B6FE0: 4691    mov     r9, r2
080B6FE2: 1C28    add     r0, r5, #0x0
080B6FE4: F006    bl       
080B6FE6: F99C    bl      0x080BD320
080B6FE8: 1C03    add     r3, r0, #0x0
080B6FEA: 7898    ldrb    r0, [r3, #0x02]
080B6FEC: 07C0    lsl     r0, r0, #0x1F
080B6FEE: 2800    cmp     r0, #0x00
080B6FF0: D01A    beq     0x080B7028
080B6FF2: 7818    ldrb    r0, [r3]
080B6FF4: 0680    lsl     r0, r0, #0x1A
080B6FF6: E019    b       0x080B702C

;DATA
;===============
;080B6FF8: 0E92    lsr     r2, r2, #0x1A
;080B6FFA: 0000    lsl     r0, r0, #0x0
;080B6FFC: BB5C    pop     {r2, r3, r4, r6, pc}
;080B7000: 2700    mov     r7, #0x00
;080B7002: 0203    lsl     r3, r0, #0x8
;080B7004: 9210    str     r2, [sp, #0x040]
;080B7006: 0000    lsl     r0, r0, #0x0
;080B7008: BB3E    pop     {r1, r2, r3, r4, r5, pc}
;080B700A: 0203    lsl     r3, r0, #0x8
;080B700C: D7A0    bvc     0x080B6F50
;080B700E: 0202    lsl     r2, r0, #0x8
;080B7010: 026A    lsl     r2, r5, #0x9
;080B7012: 0000    lsl     r0, r0, #0x0
;080B7014: 9CB0    ldr     r4, [sp, #0x2C0]
;080B7016: 0202    lsl     r2, r0, #0x8
;080B7018: 010C    lsl     r4, r1, #0x4
;080B701A: 0200    lsl     r0, r0, #0x8
;080B701C: 807F    strh    r7, [r7, #0x02]
;080B701E: FFFF    bl      0x0813701E
;080B7020: 944E    str     r4, [sp, #0x138]
;080B7022: 0000    lsl     r0, r0, #0x0
;080B7024: 943C    str     r4, [sp, #0x0F0]
;080B7026: 0000    lsl     r0, r0, #0x0
;080B7028: 8818    ldrh    r0, [r3]
;080B702A: 04C0    lsl     r0, r0, #0x13

080B702C: 0E81    lsr     r1, r0, #0x1A
080B702E: 7AA2    ldrb    r2, [r4, #0x0A]
080B7030: 2740    mov     r7, #0x40
080B7032: 427F    neg     r7, r7
080B7034: 1C38    add     r0, r7, #0x0
080B7036: 4002    and     r2, r0
080B7038: 430A    orr     r2, r1
080B703A: 72A2    strb    r2, [r4, #0x0A]
080B703C: 6858    ldr     r0, [r3, #0x04]
080B703E: 0240    lsl     r0, r0, #0x9
080B7040: 0D80    lsr     r0, r0, #0x16
080B7042: 8020    strh    r0, [r4]
080B7044: 88D9    ldrh    r1, [r3, #0x06]
080B7046: 09C9    lsr     r1, r1, #0x7
080B7048: 7A18    ldrb    r0, [r3, #0x08]
080B704A: 464F    mov     r7, r9
080B704C: 4038    and     r0, r7
080B704E: 0240    lsl     r0, r0, #0x9
080B7050: 4308    orr     r0, r1
080B7052: 8060    strh    r0, [r4, #0x02]
080B7054: 6898    ldr     r0, [r3, #0x08]
080B7056: 0340    lsl     r0, r0, #0xD
080B7058: 0C80    lsr     r0, r0, #0x12
080B705A: 80A0    strh    r0, [r4, #0x04]
080B705C: 68D8    ldr     r0, [r3, #0x0C]
080B705E: 0280    lsl     r0, r0, #0xA
080B7060: 0E40    lsr     r0, r0, #0x19
080B7062: 80E0    strh    r0, [r4, #0x06]
080B7064: 8998    ldrh    r0, [r3, #0x0C]
080B7066: 0440    lsl     r0, r0, #0x11
080B7068: 0C80    lsr     r0, r0, #0x12
080B706A: 8120    strh    r0, [r4, #0x08]
080B706C: 7858    ldrb    r0, [r3, #0x01]
080B706E: 09C0    lsr     r0, r0, #0x7
080B7070: 2101    mov     r1, #0x01
080B7072: 4008    and     r0, r1
080B7074: 0180    lsl     r0, r0, #0x6
080B7076: 2741    mov     r7, #0x41
080B7078: 427F    neg     r7, r7
080B707A: 1C39    add     r1, r7, #0x0
080B707C: 400A    and     r2, r1
080B707E: 4302    orr     r2, r0
080B7080: 72A2    strb    r2, [r4, #0x0A]
080B7082: 2186    mov     r1, #0x86
080B7084: 0049    lsl     r1, r1, #0x1
080B7086: 1858    add     r0, r3, r1
080B7088: 7802    ldrb    r2, [r0]
080B708A: 0952    lsr     r2, r2, #0x5
080B708C: 01D2    lsl     r2, r2, #0x7
080B708E: 8960    ldrh    r0, [r4, #0x0A]
080B7090: 4F42    ldr     r7, =#0xFFFFFC7F
080B7092: 1C39    add     r1, r7, #0x0
080B7094: 4008    and     r0, r1
080B7096: 4310    orr     r0, r2
080B7098: 8160    strh    r0, [r4, #0x0A]
080B709A: 4941    ldr     r1, =#0x0000010D
080B709C: 1858    add     r0, r3, r1
080B709E: 7801    ldrb    r1, [r0]
080B70A0: 0789    lsl     r1, r1, #0x1E
080B70A2: 0F09    lsr     r1, r1, #0x1C
080B70A4: 7AE2    ldrb    r2, [r4, #0x0B]
080B70A6: 270D    mov     r7, #0x0D
080B70A8: 427F    neg     r7, r7
080B70AA: 1C38    add     r0, r7, #0x0
080B70AC: 4002    and     r2, r0
080B70AE: 430A    orr     r2, r1
080B70B0: 72E2    strb    r2, [r4, #0x0B]
080B70B2: 7898    ldrb    r0, [r3, #0x02]
080B70B4: 07C0    lsl     r0, r0, #0x1F
080B70B6: 0FC0    lsr     r0, r0, #0x1F
080B70B8: 2101    mov     r1, #0x01
080B70BA: 4008    and     r0, r1
080B70BC: 0100    lsl     r0, r0, #0x4
080B70BE: 2311    mov     r3, #0x11
080B70C0: 425B    neg     r3, r3
080B70C2: 1C19    add     r1, r3, #0x0
080B70C4: 400A    and     r2, r1
080B70C6: 4302    orr     r2, r0
080B70C8: 464F    mov     r7, r9
080B70CA: 403A    and     r2, r7
080B70CC: 72E2    strb    r2, [r4, #0x0B]
080B70CE: 1C68    add     r0, r5, #0x1
080B70D0: 0400    lsl     r0, r0, #0x10
080B70D2: 0C05    lsr     r5, r0, #0x10
080B70D4: 340C    add     r4, #0x0C
080B70D6: 4833    ldr     r0, =#0x02032700
080B70D8: 4933    ldr     r1, =#0x0000943E
080B70DA: 1840    add     r0, r0, r1
080B70DC: 8800    ldrh    r0, [r0]
080B70DE: 4285    cmp     r5, r0
080B70E0: D200    bcs     0x080B70E4
080B70E2: E77E    b       0x080B6FE2
080B70E4: 2000    mov     r0, #0x00
080B70E6: F006    bl       
080B70E8: F91B    bl      0x080BD320
080B70EA: 1C03    add     r3, r0, #0x0
080B70EC: 9F02    ldr     r7, [sp, #0x008]
080B70EE: 7859    ldrb    r1, [r3, #0x01]
080B70F0: 0649    lsl     r1, r1, #0x19
080B70F2: 0F89    lsr     r1, r1, #0x1E
080B70F4: 4640    mov     r0, r8
080B70F6: 7802    ldrb    r2, [r0]
080B70F8: 2004    mov     r0, #0x04
080B70FA: 4240    neg     r0, r0
080B70FC: 4010    and     r0, r2
080B70FE: 4308    orr     r0, r1
080B7100: 4641    mov     r1, r8
080B7102: 7008    strb    r0, [r1]
080B7104: 8819    ldrh    r1, [r3]
080B7106: 04C9    lsl     r1, r1, #0x13
080B7108: 0E89    lsr     r1, r1, #0x1A
080B710A: 0189    lsl     r1, r1, #0x6
080B710C: 8C3A    ldrh    r2, [r7, #0x20]
080B710E: 4827    ldr     r0, =#0xFFFFF03F
080B7110: 4010    and     r0, r2
080B7112: 4308    orr     r0, r1
080B7114: 8438    strh    r0, [r7, #0x20]
080B7116: 4826    ldr     r0, =#0x0202D7A0
080B711A: 1880    add     r0, r0, r2
080B711C: 220F    mov     r2, #0x0F
080B711E: 7801    ldrb    r1, [r0]
080B7120: 4011    and     r1, r2
080B7122: 0089    lsl     r1, r1, #0x2
080B7124: 4640    mov     r0, r8
080B7126: 7802    ldrb    r2, [r0]
080B7128: 203D    mov     r0, #0x3D
080B712A: 4240    neg     r0, r0
080B712C: 4010    and     r0, r2
080B712E: 4308    orr     r0, r1
080B7130: 4641    mov     r1, r8
080B7132: 7008    strb    r0, [r1]
080B7134: 4652    mov     r2, r10
080B7136: 7811    ldrb    r1, [r2]
080B7138: 201F    mov     r0, #0x1F
080B713A: 4008    and     r0, r1
080B713C: 7010    strb    r0, [r2]
080B713E: 2500    mov     r5, #0x00
080B7140: 1C3C    add     r4, r7, #0x0
080B7142: 3410    add     r4, #0x10
080B7144: 1C1A    add     r2, r3, #0x0
080B7146: 324C    add     r2, #0x4C
080B7148: 1961    add     r1, r4, r5
080B714A: 0068    lsl     r0, r5, #0x1
080B714C: 1810    add     r0, r2, r0
080B714E: 8800    ldrh    r0, [r0]
080B7150: 7008    strb    r0, [r1]
080B7152: 1C68    add     r0, r5, #0x1
080B7154: 0400    lsl     r0, r0, #0x10
080B7156: 0C05    lsr     r5, r0, #0x10
080B7158: 2D0F    cmp     r5, #0x0F
080B715A: D9F5    bls     0x080B7148
080B715C: 4916    ldr     r1, =#0x0202D9D0
080B715E: 1C38    add     r0, r7, #0x0
080B7160: 2208    mov     r2, #0x08
080B7162: F007    bl       
080B7164: FF01    bl      0x080BEF68
080B7166: 4915    ldr     r1, =#0x0202C990
080B7168: 22E1    mov     r2, #0xE1
080B716A: 0112    lsl     r2, r2, #0x4
080B716C: 9803    ldr     r0, [sp, #0x00C]
080B716E: F00A    bl       
080B7170: FF39    bl      0x080C1FE4
080B7172: 4913    ldr     r1, =#0x00000E94
080B7174: 1C30    add     r0, r6, #0x0
080B7176: F007    bl       
080B7178: FD17    bl      0x080BEBA8
080B717A: 9001    str     r0, [sp, #0x004]
080B717C: 9801    ldr     r0, [sp, #0x004]
080B717E: 43C0    mvn     r0, r0
080B7180: 23E9    mov     r3, #0xE9
080B7182: 011B    lsl     r3, r3, #0x4
080B7184: 18F1    add     r1, r6, r3
080B7186: 880A    ldrh    r2, [r1]
080B7188: 8008    strh    r0, [r1]
080B718A: B004    add     sp, #0x010
080B718C: BC38    pop     {r3, r4, r5}
080B718E: 4698    mov     r8, r3
080B7190: 46A1    mov     r9, r4
080B7192: 46AA    mov     r10, r5
080B7194: BCF0    pop     {r4, r5, r6, r7}
080B7196: BC01    pop     {r0}
080B7198: 4700    bx      r0

;DATA
;===========
;080B719A: 0000    lsl     r0, r0, #0x0
;080B719C: FC7F    bl      0x080B7A9C
;080B719E: FFFF    bl      0x07D3719E
;080B71A0: 010D    lsl     r5, r1, #0x4
;080B71A2: 0000    lsl     r0, r0, #0x0
;080B71A4: 2700    mov     r7, #0x00
;080B71A6: 0203    lsl     r3, r0, #0x8
;080B71A8: 943E    str     r4, [sp, #0x0F8]
;080B71AA: 0000    lsl     r0, r0, #0x0
;080B71AC: F03F    bl       
;080B71AE: FFFF    bl      0x080F71AE
;080B71B0: D7A0    bvc     0x080B70F4
;080B71B2: 0202    lsl     r2, r0, #0x8
;080B71B4: 0242    lsl     r2, r0, #0x9
;080B71B6: 0000    lsl     r0, r0, #0x0
;080B71B8: D9D0    bls     0x080B715C
;080B71BA: 0202    lsl     r2, r0, #0x8
;080B71BC: C990    ldmia   r1!, {r4, r7}
;080B71BE: 0202    lsl     r2, r0, #0x8
;080B71C0: 0E94    lsr     r4, r2, #0x1A
;080B71C2: 0000    lsl     r0, r0, #0x0

$080B71C4 - (Stack prep for $080B755C)

This adds and clears #$1000 byte to stack, calls a subroutine at $080B755C, and removes the #$1000 bytes afterwards

080B71C4: B500    push    {lr}
080B71C6: 46A4    mov     r12, r4
080B71C8: 4C13    ldr     r4, =#0xFFFFEFFC
080B71CA: 44A5    add     sp, r4
080B71CC: 4664    mov     r4, r12					; Add #$1004 Bytes to stack

080B71CE: 2180    mov     r1, #0x80
080B71D0: 0149    lsl     r1, r1, #0x5
080B71D2: 4469    add     r1, sp					; r1 = sp + #$1000 (the four most far, newly added stack bytes)
080B71D4: 2000    mov     r0, #0x00
080B71D6: 8008    strh    r0, [r1]					; clear them
080B71D8: 4810    ldr     r0, =#0x040000D4
080B71DA: 6001    str     r1, [r0]					; Use them as source address
080B71DC: 4669    mov     r1, sp
080B71DE: 6041    str     r1, [r0, #0x04]				; destination: The other #$1000 newly added stack bytes
080B71E0: 490F    ldr     r1, =#0x81000800			; Fixed DMA, 800 Doublebytes
080B71E2: 6081    str     r1, [r0, #0x08]				; Start DMA
080B71E4: 6881    ldr     r1, [r0, #0x08]
080B71E6: 1C02    add     r2, r0, #0x0
080B71E8: 6890    ldr     r0, [r2, #0x08]
080B71EA: 2180    mov     r1, #0x80
080B71EC: 0609    lsl     r1, r1, #0x18
080B71EE: 2800    cmp     r0, #0x00
080B71F0: DA03    bge     0x080B71FA

080B71F2: 6890    ldr     r0, [r2, #0x08]
080B71F4: 4008    and     r0, r1
080B71F6: 2800    cmp     r0, #0x00
080B71F8: D1FB    bne     0x080B71F2

080B71FA: 20E9    mov     r0, #0xE9
080B71FC: 0100    lsl     r0, r0, #0x4
080B71FE: 4468    add     r0, sp					; r0 = sp + #$0E90
080B7200: 8801    ldrh    r1, [r0]
080B7202: 2101    mov     r1, #0x01
080B7204: 8001    strh    r1, [r0]					; write #$01 at sp + #$E90
080B7206: 2000    mov     r0, #0x00					; r0 = #$00
080B7208: 4669    mov     r1, sp					; r1 = sp
080B720A: 2201    mov     r2, #0x01					; r2 = #$01
080B720C: F000    bl       
080B720E: F9A6    bl      0x080B755C					; ?

080B7210: 4B04    ldr     r3, =#0x00001004			; Restore old Stack, exit
080B7212: 449D    add     sp, r3
080B7214: BC01    pop     {r0}
080B7216: 4700    bx      r0

;080B7218: EFFC    ???      
;080B721A: FFFF    bl      0x080B421A
;080B721C: 00D4    lsl     r4, r2, #0x3
;080B721E: 0400    lsl     r0, r0, #0x10
;080B7220: 0800    lsr     r0, r0, #0x0
;080B7222: 8100    strh    r0, [r0, #0x08]
;080B7224: 1004    asr     r4, r0, #0x0
;080B7226: 0000    lsl     r0, r0, #0x0

$080B7228 - ?

080B7228: B5F0    push    {r4, r5, r6, r7, lr}
080B722A: 4647    mov     r7, r8
080B722C: B480    push    {r7}
080B722E: 4C6A    ldr     r4, =#0xFFFFDFF8
080B7230: 44A5    add     sp, r4				; Add #$2008 Byte to Stack

080B7232: 0409    lsl     r1, r1, #0x10
080B7234: 0C0F    lsr     r7, r1, #0x10			; r7 = Orig. r1 AND #$0000FFFF
080B7236: 4869    ldr     r0, =#0x02032700
080B7238: 4969    ldr     r1, =#0x0000944E
080B723A: 1840    add     r0, r0, r1				; r0 = #$0203BB4E

080B723C: 7800    ldrb    r0, [r0]				; r0 = [$0203BB4E]
080B723E: 06C0    lsl     r0, r0, #0x1B
080B7240: 0FC0    lsr     r0, r0, #0x1F			; r0 = Bit 5 as Bit 4, the rest ist cleared
080B7242: AA02    add     r2, sp, #0x008
080B7244: 4690    mov     r8, r2
080B7246: 2800    cmp     r0, #0x00
080B7248: D12D    bne     0x080B72A6				; If Bit 5 of $0203BB4E is set, a lot is left out

080B724A: 4966    ldr     r1, =#0x00002004
080B724C: 4469    add     r1, sp
080B724E: 8008    strh    r0, [r1]				; Clear Stack Entry
080B7250: 4865    ldr     r0, =#0x040000D4
080B7252: 6001    str     r1, [r0]				; Cleared Stack Entry is DMA Source
080B7254: 4669    mov     r1, sp
080B7256: 6041    str     r1, [r0, #0x04]			; Destination: Stack
080B7258: 4964    ldr     r1, =#0x81001000
080B725A: 6081    str     r1, [r0, #0x08]			; Clear #$1000 Double Bytes on Stack
080B725C: 6881    ldr     r1, [r0, #0x08]
080B725E: 1C01    add     r1, r0, #0x0
080B7260: 6888    ldr     r0, [r1, #0x08]
080B7262: 2280    mov     r2, #0x80
080B7264: 0612    lsl     r2, r2, #0x18
080B7266: 2800    cmp     r0, #0x00
080B7268: DA03    bge     0x080B7272

080B726A: 6888    ldr     r0, [r1, #0x08]
080B726C: 4010    and     r0, r2
080B726E: 2800    cmp     r0, #0x00
080B7270: D1FB    bne     0x080B726A

080B7272: 466E    mov     r6, sp
080B7274: 4668    mov     r0, sp
080B7276: F000    bl       
080B7278: F8C3    bl      0x080B7400
080B727A: 4644    mov     r4, r8
080B727C: 1C20    add     r0, r4, #0x0
080B727E: F751    bl       
080B7280: FE0B    bl      0x08008E98
080B7282: 2180    mov     r1, #0x80
080B7284: 0149    lsl     r1, r1, #0x5
080B7286: 4668    mov     r0, sp
080B7288: F007    bl       
080B728A: FC8E    bl      0x080BEBA8
080B728C: 2180    mov     r1, #0x80
080B728E: 0189    lsl     r1, r1, #0x6
080B7290: 4469    add     r1, sp
080B7292: 6008    str     r0, [r1]
080B7294: 6808    ldr     r0, [r1]
080B7296: 43C0    mvn     r0, r0
080B7298: 88B1    ldrh    r1, [r6, #0x04]
080B729A: 80B0    strh    r0, [r6, #0x04]
080B729C: 1C38    add     r0, r7, #0x0
080B729E: 4669    mov     r1, sp
080B72A0: 2201    mov     r2, #0x01
080B72A2: F000    bl       
080B72A4: F95B    bl      0x080B755C

080B72A6: 1C78    add     r0, r7, #0x1
080B72A8: 0400    lsl     r0, r0, #0x10
080B72AA: 0C07    lsr     r7, r0, #0x10			; r7 = (Orig. r1 + 1) AND #$0000FFFF
080B72AC: 494D    ldr     r1, =#0x00002004
080B72AE: 4469    add     r1, sp
080B72B0: 2000    mov     r0, #0x00
080B72B2: 8008    strh    r0, [r1]
080B72B4: 484C    ldr     r0, =#0x040000D4
080B72B6: 6001    str     r1, [r0]
080B72B8: 466A    mov     r2, sp
080B72BA: 6042    str     r2, [r0, #0x04]
080B72BC: 494B    ldr     r1, =#0x81001000
080B72BE: 6081    str     r1, [r0, #0x08]			; Clear #$1000 Double-Bytes of the newly added Stack Entries
080B72C0: 6881    ldr     r1, [r0, #0x08]
080B72C2: 1C02    add     r2, r0, #0x0
080B72C4: 6890    ldr     r0, [r2, #0x08]
080B72C6: 2180    mov     r1, #0x80
080B72C8: 0609    lsl     r1, r1, #0x18
080B72CA: 2800    cmp     r0, #0x00
080B72CC: DA03    bge     0x080B72D6

080B72CE: 6890    ldr     r0, [r2, #0x08]
080B72D0: 4008    and     r0, r1
080B72D2: 2800    cmp     r0, #0x00
080B72D4: D1FB    bne     0x080B72CE

080B72D6: 466E    mov     r6, sp
080B72D8: 4668    mov     r0, sp
080B72DA: F000    bl       
080B72DC: F891    bl      0x080B7400
080B72DE: 4644    mov     r4, r8
080B72E0: 2501    mov     r5, #0x01
080B72E2: 0129    lsl     r1, r5, #0x4

080B72E4: 1949    add     r1, r1, r5
080B72E6: 0109    lsl     r1, r1, #0x4
080B72E8: 4841    ldr     r0, =#0x02029F50
080B72EA: 1809    add     r1, r1, r0
080B72EC: 1C20    add     r0, r4, #0x0
080B72EE: 2288    mov     r2, #0x88
080B72F0: 0052    lsl     r2, r2, #0x1
080B72F2: F00A    bl       
080B72F4: FE77    bl      0x080C1FE4
080B72F6: 2096    mov     r0, #0x96
080B72F8: 0040    lsl     r0, r0, #0x1
080B72FA: 1824    add     r4, r4, r0
080B72FC: 1C68    add     r0, r5, #0x1
080B72FE: 0400    lsl     r0, r0, #0x10
080B7300: 0C05    lsr     r5, r0, #0x10
080B7302: 2D16    cmp     r5, #0x16
080B7304: D9ED    bls     0x080B72E2
080B7306: 2480    mov     r4, #0x80
080B7308: 01A4    lsl     r4, r4, #0x6
080B730A: 4668    mov     r0, sp
080B730C: 1C21    add     r1, r4, #0x0
080B730E: F007    bl       
080B7310: FC4B    bl      0x080BEBA8
080B7312: 466A    mov     r2, sp
080B7314: 1911    add     r1, r2, r4
080B7316: 6008    str     r0, [r1]
080B7318: 6808    ldr     r0, [r1]
080B731A: 43C0    mvn     r0, r0
080B731C: 88B1    ldrh    r1, [r6, #0x04]
080B731E: 2400    mov     r4, #0x00
080B7320: 80B0    strh    r0, [r6, #0x04]
080B7322: 1C38    add     r0, r7, #0x0
080B7324: 4669    mov     r1, sp
080B7326: 2202    mov     r2, #0x02
080B7328: F000    bl       
080B732A: F918    bl      0x080B755C
080B732C: 1CB8    add     r0, r7, #0x2
080B732E: 0400    lsl     r0, r0, #0x10
080B7330: 0C07    lsr     r7, r0, #0x10
080B7332: 492C    ldr     r1, =#0x00002004
080B7334: 4469    add     r1, sp
080B7336: 800C    strh    r4, [r1]
080B7338: 482B    ldr     r0, =#0x040000D4
080B733A: 6001    str     r1, [r0]

080B733C: 4669    mov     r1, sp
080B733E: 6041    str     r1, [r0, #0x04]
080B7340: 492A    ldr     r1, =#0x81001000
080B7342: 6081    str     r1, [r0, #0x08]
080B7344: 6881    ldr     r1, [r0, #0x08]
080B7346: 1C02    add     r2, r0, #0x0
080B7348: 6890    ldr     r0, [r2, #0x08]
080B734A: 2180    mov     r1, #0x80
080B734C: 0609    lsl     r1, r1, #0x18
080B734E: 2800    cmp     r0, #0x00
080B7350: DA03    bge     0x080B735A
080B7352: 6890    ldr     r0, [r2, #0x08]
080B7354: 4008    and     r0, r1
080B7356: 2800    cmp     r0, #0x00
080B7358: D1FB    bne     0x080B7352
080B735A: 466E    mov     r6, sp
080B735C: 4668    mov     r0, sp
080B735E: F000    bl       
080B7360: F84F    bl      0x080B7400
080B7362: 4644    mov     r4, r8
080B7364: 2517    mov     r5, #0x17
080B7366: 0129    lsl     r1, r5, #0x4
080B7368: 1949    add     r1, r1, r5
080B736A: 0109    lsl     r1, r1, #0x4
080B736C: 4820    ldr     r0, =#0x02029F50
080B736E: 1809    add     r1, r1, r0
080B7370: 1C20    add     r0, r4, #0x0
080B7372: 2288    mov     r2, #0x88
080B7374: 0052    lsl     r2, r2, #0x1
080B7376: F00A    bl       
080B7378: FE35    bl      0x080C1FE4
080B737A: 2296    mov     r2, #0x96
080B737C: 0052    lsl     r2, r2, #0x1
080B737E: 18A4    add     r4, r4, r2
080B7380: 1C68    add     r0, r5, #0x1
080B7382: 0400    lsl     r0, r0, #0x10
080B7384: 0C05    lsr     r5, r0, #0x10
080B7386: 2D22    cmp     r5, #0x22
080B7388: D9ED    bls     0x080B7366
080B738A: 491A    ldr     r1, =#0x0202D7A0
080B738C: 20A2    mov     r0, #0xA2
080B738E: 0080    lsl     r0, r0, #0x2
080B7390: 180A    add     r2, r1, r0
080B7392: 4819    ldr     r0, =#0x0203BB5C
080B7394: 6800    ldr     r0, [r0]
080B7396: 6010    str     r0, [r2]
080B7398: 22A7    mov     r2, #0xA7

080B739A: 0092    lsl     r2, r2, #0x2
080B739C: 1C20    add     r0, r4, #0x0
080B739E: F00A    bl       
080B73A0: FE21    bl      0x080C1FE4
080B73A2: 2480    mov     r4, #0x80
080B73A4: 01A4    lsl     r4, r4, #0x6
080B73A6: 4668    mov     r0, sp
080B73A8: 1C21    add     r1, r4, #0x0
080B73AA: F007    bl       
080B73AC: FBFD    bl      0x080BEBA8
080B73AE: 466A    mov     r2, sp
080B73B0: 1911    add     r1, r2, r4
080B73B2: 6008    str     r0, [r1]
080B73B4: 6808    ldr     r0, [r1]
080B73B6: 43C0    mvn     r0, r0
080B73B8: 88B1    ldrh    r1, [r6, #0x04]
080B73BA: 80B0    strh    r0, [r6, #0x04]
080B73BC: 1C38    add     r0, r7, #0x0
080B73BE: 4669    mov     r1, sp
080B73C0: 2202    mov     r2, #0x02
080B73C2: F000    bl       
080B73C4: F8CB    bl      0x080B755C
080B73C6: 2001    mov     r0, #0x01
080B73C8: 4B0C    ldr     r3, =#0x00002008
080B73CA: 449D    add     sp, r3
080B73CC: BC08    pop     {r3}
080B73CE: 4698    mov     r8, r3
080B73D0: BCF0    pop     {r4, r5, r6, r7}
080B73D2: BC02    pop     {r1}
080B73D4: 4708    bx      r1

;080B73D6: 0000    lsl     r0, r0, #0x0
;080B73D8: DFF8    swi     0xF8
;080B73DA: FFFF    bl      0x080B03DA
;080B73DC: 2700    mov     r7, #0x00
;080B73DE: 0203    lsl     r3, r0, #0x8
;080B73E0: 944E    str     r4, [sp, #0x138]
;080B73E2: 0000    lsl     r0, r0, #0x0
;080B73E4: 2004    mov     r0, #0x04
;080B73E6: 0000    lsl     r0, r0, #0x0
;080B73E8: 00D4    lsl     r4, r2, #0x3
;080B73EA: 0400    lsl     r0, r0, #0x10
;080B73EC: 1000    asr     r0, r0, #0x0
;080B73EE: 8100    strh    r0, [r0, #0x08]
;080B73F0: 9F50    ldr     r7, [sp, #0x140]
;080B73F2: 0202    lsl     r2, r0, #0x8
;080B73F4: D7A0    bvc     0x080B7338
;080B73F6: 0202    lsl     r2, r0, #0x8
;080B73F8: BB5C    pop     {r2, r3, r4, r6, pc}
;080B73FA: 0203    lsl     r3, r0, #0x8
;080B73FC: 2008    mov     r0, #0x08
;080B73FE: 0000    lsl     r0, r0, #0x0

$080B7400 - (SRAM related!?)

Is r0 an SRAM-address? This looks like the Code that gets stored at the beginning of a Save state ($07 $00, then the ASCII-Letters "MV")

080B7400: 2200    mov     r2, #0x00
080B7402: 2107    mov     r1, #0x07
080B7404: 8001    strh    r1, [r0]			; r0        = #$0007
080B7406: 214D    mov     r1, #0x4D
080B7408: 7081    strb    r1, [r0, #0x02]		; r0 + #$02 = #$4D
080B740A: 2156    mov     r1, #0x56
080B740C: 70C1    strb    r1, [r0, #0x03]		; r0 + #$03 = #$56
080B740E: 8881    ldrh    r1, [r0, #0x04]
080B7410: 8082    strh    r2, [r0, #0x04]		; r0 + #$04 = #$0000
080B7412: 4770    bx      lr

$080B7414 - (Clear DMA?)

r0 contains a DMA destination address(? If r5 is not changed at 080B7628); this space gets cleared.

080B7414: B570    push    {r4, r5, r6, lr}
080B7416: B081    add     sp, #-0x004			; Add 4 bytes to stack
080B7418: 1C05    add     r5, r0, #0x0			; r5 = r0
080B741A: F000    bl       
080B741C: F905    bl      0x080B7628			; JUMP TO THE ADDRESS IN $0203F3CC

; Setup clear DMA
080B741E: 4669    mov     r1, sp
080B7420: 2000    mov     r0, #0x00
080B7422: 8008    strh    r0, [r1]			; clear upper two byte (strH) on stack
080B7424: 4829    ldr     r0, =#0x040000D4		; DMA source address
080B7426: 6001    str     r1, [r0]			; Store the address of the last stack entry as DMA Source Address
080B7428: 6045    str     r5, [r0, #0x04]		; r5 is the DMA Destination Address
080B742A: 4929    ldr     r1, =#0x8100074A		; Transfer #$74A doublebytes, fixed transfer (#$0000)
080B742C: 6081    str     r1, [r0, #0x08]		; Store r1 in DMA Word Size/Control registers
080B742E: 6881    ldr     r1, [r0, #0x08]
080B7430: 1C02    add     r2, r0, #0x0
080B7432: 6890    ldr     r0, [r2, #0x08]
080B7434: 2180    mov     r1, #0x80			; Setting up an AND mask for the DMA-Enable-Bit
080B7436: 0609    lsl     r1, r1, #0x18			; r1 = #$80000000
080B7438: 2800    cmp     r0, #0x00
080B743A: DA03    bge     0x080B7444

080B743C: 6890    ldr     r0, [r2, #0x08]		; Load DMA Word Size/Control registers
080B743E: 4008    and     r0, r1			; Exempt DMA enable bit
080B7440: 2800    cmp     r0, #0x00
080B7442: D1FB    bne     0x080B743C			; Loop if DMA is still active

080B7444: 2400    mov     r4, #0x00
080B7446: 2007    mov     r0, #0x07
080B7448: 8028    strh    r0, [r5]
080B744A: 204D    mov     r0, #0x4D
080B744C: 70A8    strb    r0, [r5, #0x02]
080B744E: 2056    mov     r0, #0x56
080B7450: 70E8    strb    r0, [r5, #0x03]
080B7452: 4820    ldr     r0, =#0x00000E92
080B7454: 182B    add     r3, r5, r0
080B7456: 781A    ldrb    r2, [r3]
080B7458: 2102    mov     r1, #0x02
080B745A: 4249    neg     r1, r1			; r1 = #$FFFFFFFD (AND-Mask)
080B745C: 1C08    add     r0, r1, #0x0
080B745E: 4010    and     r0, r2			; Remove Bit 1 from value
080B7460: 7018    strb    r0, [r3]			; Store back
080B7462: 1C2B    add     r3, r5, #0x0
080B7464: 336D    add     r3, #0x6D
080B7466: 781A    ldrb    r2, [r3]
080B7468: 2011    mov     r0, #0x11
080B746A: 4240    neg     r0, r0			; r1 = #$FFFFFFEE (AND-Mask)
080B746C: 4010    and     r0, r2			; Remove bit 0 and bit 4 from value
080B746E: 7018    strb    r0, [r3]			; Store back
080B7470: 1C2A    add     r2, r5, #0x0
080B7472: 327E    add     r2, #0x7E
080B7474: 7810    ldrb    r0, [r2]
080B7476: 4001    and     r1, r0
080B7478: 2041    mov     r0, #0x41
080B747A: 4240    neg     r0, r0
080B747C: 4001    and     r1, r0
080B747E: 7011    strb    r1, [r2]
080B7480: 4668    mov     r0, sp
080B7482: 8004    strh    r4, [r0]

080B7484: 4911    ldr     r1, =#0x040000D4
080B7486: 6008    str     r0, [r1]			; r0 = DMA Source Address
080B7488: 4A13    ldr     r2, =#0x0202C990
080B748A: 604A    str     r2, [r1, #0x04]		; r2 = DMA Destination Address = $0202C990 (WRAM)
080B748C: 4813    ldr     r0, =#0x81000708		; Fixed transfer, 708 Double Bytes
080B748E: 6088    str     r0, [r1, #0x08]
080B7490: 6888    ldr     r0, [r1, #0x08]
080B7492: 6888    ldr     r0, [r1, #0x08]
080B7494: 2380    mov     r3, #0x80			; Set up of an AND mask for the DMA enable bit
080B7496: 061B    lsl     r3, r3, #0x18		; r3 = #$80000000
080B7498: 1C16    add     r6, r2, #0x0
080B749A: 1C2C    add     r4, r5, #0x0
080B749C: 3480    add     r4, #0x80
080B749E: 2800    cmp     r0, #0x00			; Is the DMA done?
080B74A0: DA04    bge     0x080B74AC

080B74A2: 1C1A    add     r2, r3, #0x0			; Transfer AND-mask in r2
080B74A4: 6888    ldr     r0, [r1, #0x08]		; Is the DMA Enable Flag still set?
080B74A6: 4010    and     r0, r2
080B74A8: 2800    cmp     r0, #0x00
080B74AA: D1FB    bne     0x080B74A4			; Loop if DMA is still active

080B74AC: 22E1    mov     r2, #0xE1			; Setup and execution of a Data Transfer
080B74AE: 0112    lsl     r2, r2, #0x4			; r2 = #$00000E10 - Number of Bytes to transfer
080B74B0: 1C20    add     r0, r4, #0x0			; Destination address
080B74B2: 1C31    add     r1, r6, #0x0			; Source address
080B74B4: F00A    bl       
080B74B6: FD96    bl      0x080C1FE4			; Data Transfer

080B74B8: 1C28    add     r0, r5, #0x0			; r0 = Original r0
080B74BA: 2100    mov     r1, #0x00			; r1 = #$00
080B74BC: 2200    mov     r2, #0x00			; r2 = #$00
080B74BE: F7FF    bl       
080B74C0: FCA9    bl      0x080B6E14			; ?

080B74C2: B001    add     sp, #0x004			; Restore registers and exit
080B74C4: BC70    pop     {r4, r5, r6}
080B74C6: BC01    pop     {r0}
080B74C8: 4700    bx      r0

;DATA
;=========================
;080B74CA: 0000    lsl     r0, r0, #0x0
;080B74CC: 00D4    lsl     r4, r2, #0x3
;080B74CE: 0400    lsl     r0, r0, #0x10
;080B74D0: 074A    lsl     r2, r1, #0x1D
;080B74D2: 8100    strh    r0, [r0, #0x08]
;080B74D4: 0E92    lsr     r2, r2, #0x1A
;080B74D6: 0000    lsl     r0, r0, #0x0
;080B74D8: C990    ldmia   r1!, {r4, r7}
;080B74DA: 0202    lsl     r2, r0, #0x8
;080B74DC: 0708    lsl     r0, r1, #0x1C
;080B74DE: 8100    strh    r0, [r0, #0x08]

$080B74E0: - Is r0 empty?

My new comment:

r0 contains a double byte. If this double byte is empty, r0 gets set to #$01. If it's not empty, r0 is set to #$00. Consider this as: "Is r0 empty?" - Yes (1)/No (0)

My old comment:

; IF THE SIXTH VALUE FROM THE DATA SET -THE ONE THAT WAS STORED IN $0203F3C4 - IS #$xxxx0000,
; r0 IS SET TO #$01, ELSE IT GETS SET TO #$00


080B74E0: B500    push    {lr}
080B74E2: F008    bl       
080B74E4: FAC9    bl      0x080BFA78		; Load a set of values according to two SRAM bytes

080B74E6: 0400    lsl     r0, r0, #0x10		; Remove the upper two bytes from the value in $0203F3C4
080B74E8: 2800    cmp     r0, #0x00
080B74EA: D101    bne     0x080B74F0
080B74EC: 2001    mov     r0, #0x01
080B74EE: E000    b       0x080B74F2
080B74F0: 2000    mov     r0, #0x00
080B74F2: BC02    pop     {r1}
080B74F4: 4708    bx      r1
;080B74F6: 0000    lsl     r0, r0, #0x0

$080B74F8: - (Load data from SRAM to WRAM, check flawless transfer)

080B74F8: B5F0    push    {r4, r5, r6, r7, lr}
080B74FA: 4647    mov     r7, r8
080B74FC: B480    push    {r7}
080B74FE: B081    add     sp, #-0x004

080B7500: 1C0D    add     r5, r1, #0x0			; r5 = r1
080B7502: 0400    lsl     r0, r0, #0x10
080B7504: 0C04    lsr     r4, r0, #0x10			; r4 = r0  + AND #$0000FFFF

080B7506: 0412    lsl     r2, r2, #0x10			; r2 = r2 * 10000
080B7508: 4812    ldr     r0, =#0xFFFF0000
080B750A: 1812    add     r2, r2, r0			; Is the same as if $10000 were subtracted
080B750C: 0C10    lsr     r0, r2, #0x10
080B750E: 4912    ldr     r1, =#0x0000FFFF
080B7510: 4288    cmp     r0, r1
080B7512: D018    beq     0x080B7546			; Branch r2 was originally 0 (overbranches the whole stuff, sets signal, exits)

080B7514: 4688    mov     r8, r1			; r8 = #$0000FFFF
080B7516: 1E47    sub     r7, r0, #0x1
080B7518: 1C66    add     r6, r4, #0x1
080B751A: 1C20    add     r0, r4, #0x0
080B751C: 2100    mov     r1, #0x00
080B751E: 1C2A    add     r2, r5, #0x0
080B7520: 2380    mov     r3, #0x80
080B7522: 015B    lsl     r3, r3, #0x5			; r3 = $1000
080B7524: F008    bl       
080B7526: FC0C    bl      0x080BFD40			; - Set SRAM Wait control, copy Code from ROM to RAM, execute it (transfer from SRAM to WRAM)

080B7528: 1C20    add     r0, r4, #0x0
080B752A: 1C29    add     r1, r5, #0x0
080B752C: F008    bl       
080B752E: FC5E    bl      0x080BFDEC			; - Set SRAM Wait control, copy Code from ROM to RAM, execute it (compare SRAM with before transfered data)
080B7530: 2800    cmp     r0, #0x00
080B7532: D1F2    bne     0x080B751A			; Loop if the transfer was not successful and there is a difference between SRAM code and it's copy in WRAM

080B7534: 0430    lsl     r0, r6, #0x10
080B7536: 0C04    lsr     r4, r0, #0x10
080B7538: 2080    mov     r0, #0x80
080B753A: 0140    lsl     r0, r0, #0x5			; r0 = #$00001000
080B753C: 182D    add     r5, r5, r0			; with this, now the address of the transfered and compared data is in r5
080B753E: 0438    lsl     r0, r7, #0x10
080B7540: 0C00    lsr     r0, r0, #0x10
080B7542: 4540    cmp     r0, r8
080B7544: D1E7    bne     0x080B7516

080B7546: 2001    mov     r0, #0x01
080B7548: B001    add     sp, #0x004
080B754A: BC08    pop     {r3}
080B754C: 4698    mov     r8, r3
080B754E: BCF0    pop     {r4, r5, r6, r7}
080B7550: BC02    pop     {r1}
080B7552: 4708    bx      r1

;080B7554: 0000    lsl     r0, r0, #0x0
;080B7556: FFFF    bl      0x080B8556
;080B7558: FFFF    bl      0x080B7558
;080B755A: 0000    lsl     r0, r0, #0x0

$080B755C - ?

080B755C: B5F0    push    {r4, r5, r6, r7, lr}
080B755E: 464F    mov     r7, r9
080B7560: 4646    mov     r6, r8
080B7562: B4C0    push    {r6, r7}
080B7564: B081    add     sp, #-0x004

080B7566: 1C0D    add     r5, r1, #0x0				; r5 = r1
080B7568: 0400    lsl     r0, r0, #0x10
080B756A: 0C04    lsr     r4, r0, #0x10			; r4 = r0 (Upper Doublebyte removed)
080B756C: 0412    lsl     r2, r2, #0x10
080B756E: 4815    ldr     r0, =#0xFFFF0000
080B7570: 1812    add     r2, r2, r0
080B7572: 0C10    lsr     r0, r2, #0x10			; r0 = r2 - 1 (Upper Doublebyte removed)
080B7574: 4914    ldr     r1, =#0x0000FFFF
080B7576: 4288    cmp     r0, r1
080B7578: D01C    beq     0x080B75B4				; If r2 was 0, set r0 = #$01 and exit

080B757A: 4A14    ldr     r2, =#0x0203F3C0
080B757C: 4690    mov     r8, r2
080B757E: 4689    mov     r9, r1
080B7580: 1E47    sub     r7, r0, #0x1
080B7582: 1C66    add     r6, r4, #0x1
080B7584: 4640    mov     r0, r8
080B7586: 6802    ldr     r2, [r0]
080B7588: 1C20    add     r0, r4, #0x0
080B758A: 1C29    add     r1, r5, #0x0
080B758C: F008    bl       
080B758E: FFEE    bl      0x080C056C			; bx r2
080B7590: 0400    lsl     r0, r0, #0x10
080B7592: 2800    cmp     r0, #0x00
080B7594: D1F6    bne     0x080B7584
080B7596: 1C20    add     r0, r4, #0x0
080B7598: 1C29    add     r1, r5, #0x0
080B759A: F008    bl       
080B759C: FC27    bl      0x080BFDEC
080B759E: 2800    cmp     r0, #0x00
080B75A0: D1F9    bne     0x080B7596
080B75A2: 0430    lsl     r0, r6, #0x10
080B75A4: 0C04    lsr     r4, r0, #0x10
080B75A6: 2280    mov     r2, #0x80
080B75A8: 0152    lsl     r2, r2, #0x5
080B75AA: 18AD    add     r5, r5, r2
080B75AC: 0438    lsl     r0, r7, #0x10
080B75AE: 0C00    lsr     r0, r0, #0x10
080B75B0: 4548    cmp     r0, r9
080B75B2: D1E5    bne     0x080B7580

080B75B4: 2001    mov     r0, #0x01

080B75B6: B001    add     sp, #0x004
080B75B8: BC18    pop     {r3, r4}
080B75BA: 4698    mov     r8, r3
080B75BC: 46A1    mov     r9, r4
080B75BE: BCF0    pop     {r4, r5, r6, r7}
080B75C0: BC02    pop     {r1}
080B75C2: 4708    bx      r1

;080B75C4: 0000    lsl     r0, r0, #0x0
;080B75C6: FFFF    bl      0x080B85C6
;080B75C8: FFFF    bl      0x080B75C8
;080B75CA: 0000    lsl     r0, r0, #0x0
;080B75CC: F3C0    bl       
;080B75CE: 0203    lsl     r3, r0, #0x8

$080B7628 - ?

Jumps to the address that is in $0203F3CC

080B7628: B500    push    {lr}
080B762A: 4803    ldr     r0, =#0x0203F3CC		; r0 = #$0203F3CC (WRAM address)
080B762C: 6800    ldr     r0, [r0]			; r0 = $0203F3CC
080B762E: F008    bl       
080B7630: FF99    bl      0x080C0564			; bx r0 = jump to the address in r0
080B7632: BC01    pop     {r0}
080B7634: 4700    bx      r0

;080B7636: 0000    lsl     r0, r0, #0x0
;080B7638: F3CC    bl       
;080B763A: 0203    lsl     r3, r0, #0x8

$080B776C - ?

080B776C: 1C03    add     r3, r0, #0x0
080B776E: 3344    add     r3, #0x44
080B7770: 7819    ldrb    r1, [r3]
080B7772: 2201    mov     r2, #0x01
080B7774: 4311    orr     r1, r2
080B7776: 7019    strb    r1, [r3]				; Set Bit 0 of Orig. r0 + #$44
080B7778: 303F    add     r0, #0x3F
080B777A: 2100    mov     r1, #0x00
080B777C: 7001    strb    r1, [r0]				; Clear Orig. r0 + #3F
080B777E: 4770    bx      lr

$080B7EE4 - Is [r0] = ..4A564D?

r0 contains an address. If the last three byte of the address's content is #$4A564D, r0 is set to #$01, else it is clear.

080B7EE4: 6800    ldr     r0, [r0]		; Load value from the address in r0
080B7EE6: 4903    ldr     r1, =#0x00FFFFFF
080B7EE8: 4008    and     r0, r1		; Remove Most Significant Byte
080B7EEA: 4903    ldr     r1, =#0x004A564D
080B7EEC: 4288    cmp     r0, r1		; Compare to #$4A564D
080B7EEE: D105    bne     0x080B7EFC
080B7EF0: 2001    mov     r0, #0x01		; "Set Flag" in r0 if equal
080B7EF2: E004    b       0x080B7EFE

;080B7EF4: FFFF    bl      0x080BCEF4
;080B7EF6: 00FF    lsl     r7, r7, #0x3
;080B7EF8: 564D    ldsb    r5, [r1, r1]
;080B7EFA: 004A    lsl     r2, r1, #0x1

080B7EFC: 2000    mov     r0, #0x00		; "Clear Flag" in r0 if not equal

080B7EFE: 4770    bx      lr

$080B8228 - ?

080B8228: B530    push    {r4, r5, lr}
080B822A: B081    add     sp, #-0x004

080B822C: 1C05    add     r5, r0, #0x0
080B822E: 4668    mov     r0, sp
080B8230: 7001    strb    r1, [r0]
080B8232: 4C0F    ldr     r4, =#0x02032700
080B8234: 480F    ldr     r0, =#0x00009451
080B8236: 1822    add     r2, r4, r0
080B8238: 7811    ldrb    r1, [r2]
080B823A: 2011    mov     r0, #0x11
080B823C: 4240    neg     r0, r0
080B823E: 4008    and     r0, r1
080B8240: 7010    strb    r0, [r2]
080B8242: 480D    ldr     r0, =#0x00003E94
080B8244: 1824    add     r4, r4, r0
080B8246: 490D    ldr     r1, =#0x080C29CC
080B8248: 1C20    add     r0, r4, #0x0
080B824A: 2202    mov     r2, #0x02
080B824C: F005    bl       
080B824E: FDD6    bl      0x080BDDFC
080B8250: 490B    ldr     r1, =#0x080B82E9
080B8252: 1C20    add     r0, r4, #0x0
080B8254: F005    bl       
080B8256: FEE4    bl      0x080BE020
080B8258: 4668    mov     r0, sp
080B825A: 7800    ldrb    r0, [r0]
080B825C: 2800    cmp     r0, #0x00
080B825E: D003    beq     0x080B8268
080B8260: 1C28    add     r0, r5, #0x0
080B8262: 2100    mov     r1, #0x00
080B8264: F7F0    bl       
080B8266: FF8E    bl      0x080A9184

080B8268: B001    add     sp, #0x004
080B826A: BC30    pop     {r4, r5}
080B826C: BC01    pop     {r0}
080B826E: 4700    bx      r0

;080B8270: 2700    mov     r7, #0x00
;080B8272: 0203    lsl     r3, r0, #0x8
;080B8274: 9451    str     r4, [sp, #0x144]
;080B8276: 0000    lsl     r0, r0, #0x0
;080B8278: 3E94    sub     r6, #0x94
;080B827A: 0000    lsl     r0, r0, #0x0
;080B827C: 29CC    cmp     r1, #0xCC
;080B827E: 080C    lsr     r4, r1, #0x0
;080B8280: 82E9    strh    r1, [r5, #0x16]
;080B8282: 080B    lsr     r3, r1, #0x0

$080B8284 - ?

080B8284: B510    push    {r4, lr}
080B8286: B081    add     sp, #-0x004

080B8288: 1C02    add     r2, r0, #0x0			; r2 = Orig. r0
080B828A: 4668    mov     r0, sp
080B828C: 7001    strb    r1, [r0]
080B828E: 480D    ldr     r0, =#0x00003AD1
080B8290: 1811    add     r1, r2, r0	
080B8292: 7808    ldrb    r0, [r1]				; r0 = [Orig. r0 + #$3AD1]
080B8294: 283F    cmp     r0, #0x3F
080B8296: D101    bne     0x080B829C
080B8298: 8E90    ldrh    r0, [r2, #0x34]
080B829A: 7008    strb    r0, [r1]
080B829C: 480A    ldr     r0, =#0x000037C4
080B829E: 1812    add     r2, r2, r0
080B82A0: 7811    ldrb    r1, [r2]				; r1 = [Orig. r0 + #$37C4]
080B82A2: 2002    mov     r0, #0x02
080B82A4: 4240    neg     r0, r0
080B82A6: 4008    and     r0, r1
080B82A8: 7010    strb    r0, [r2]
080B82AA: 4668    mov     r0, sp
080B82AC: 7800    ldrb    r0, [r0]
080B82AE: 2800    cmp     r0, #0x00
080B82B0: D00E    beq     0x080B82D0
080B82B2: 4C06    ldr     r4, =#0x0203654C
080B82B4: 1C20    add     r0, r4, #0x0
080B82B6: F7FF    bl       
080B82B8: FA59    bl      0x080B776C
080B82BA: 3448    add     r4, #0x48
080B82BC: 1C20    add     r0, r4, #0x0
080B82BE: F005    bl       
080B82C0: FDD9    bl      0x080BDE74				; ?
080B82C2: E00A    b       0x080B82DA				; Exit

;080B82C4: 3AD1    sub     r2, #0xD1
;080B82C6: 0000    lsl     r0, r0, #0x0
;080B82C8: 37C4    add     r7, #0xC4
;080B82CA: 0000    lsl     r0, r0, #0x0
;080B82CC: 654C    str     r4, [r1, #0x54]
;080B82CE: 0203    lsl     r3, r0, #0x8

080B82D0: 4804    ldr     r0, =#0x0203654C
080B82D2: 2104    mov     r1, #0x04
080B82D4: 2200    mov     r2, #0x00
080B82D6: F7FF    bl       
080B82D8: FA53    bl      0x080B7780				; ?

080B82DA: B001    add     sp, #0x004
080B82DC: BC10    pop     {r4}
080B82DE: BC01    pop     {r0}
080B82E0: 4700    bx      r0

;080B82E2: 0000    lsl     r0, r0, #0x0
;080B82E4: 654C    str     r4, [r1, #0x54]
;080B82E6: 0203    lsl     r3, r0, #0x8

$080B9AC0 - ?

In the end, r0 will contain a "flag value", either 0 or 1.

080B9AC0: 0402    lsl     r2, r0, #0x10
080B9AC2: 0C11    lsr     r1, r2, #0x10		; r1 = Original r0 AND #$0000FFFF
080B9AC4: 480A    ldr     r0, =#0x0000011F
080B9AC6: 4281    cmp     r1, r0		; Is it higher than #$011F?
080B9AC8: D810    bhi     0x080B9AEC		; If it is, "Clear Flag in r0" and exit

080B9ACA: 0D12    lsr     r2, r2, #0x14		; r2 now contains everything but the lowest nybble of the value (#$00 - #$11)
080B9ACC: 200F    mov     r0, #0x0F
080B9ACE: 4008    and     r0, r1		; r0 contains now the missing lowest nybble
080B9AD0: 2180    mov     r1, #0x80
080B9AD2: 0249    lsl     r1, r1, #0x9		; r1 = #$00010000
080B9AD4: 4081    lsl     r1, r0		; ?
080B9AD6: 0C09    lsr     r1, r1, #0x10		; ?
080B9AD8: 4806    ldr     r0, =#0x0202D7A0
080B9ADA: 0052    lsl     r2, r2, #0x1		; r2 now must be something even between #$00 and #$22
080B9ADC: 2391    mov     r3, #0x91
080B9ADE: 009B    lsl     r3, r3, #0x2		; r3 = #$00000244
080B9AE0: 18C0    add     r0, r0, r3		; r0 = #$0202D9E4
080B9AE2: 1812    add     r2, r2, r0		; r2 = Something even numbered betw. #$0202D9E4 and #$0202DA06
080B9AE4: 8810    ldrh    r0, [r2]
080B9AE6: 4001    and     r1, r0		; ?
080B9AE8: 2900    cmp     r1, #0x00		: ?
080B9AEA: D105    bne     0x080B9AF8		; Equal: Clear Flag, unequal: Set Flag
080B9AEC: 2000    mov     r0, #0x00		; Clear Flag in r0
080B9AEE: E004    b       0x080B9AFA

;DATA
;==========
;080B9AF0: 011F    lsl     r7, r3, #0x4
;080B9AF2: 0000    lsl     r0, r0, #0x0
;080B9AF4: D7A0    bvc     0x080B9A38
;080B9AF6: 0202    lsl     r2, r0, #0x8

080B9AF8: 2001    mov     r0, #0x01		; Set Flag in r0
080B9AFA: 4770    bx      lr

$080B9B28 - ?

080B9B28: B081    add     sp, #-0x004			; Add new Stack Entry

080B9B2A: 0402    lsl     r2, r0, #0x10
080B9B2C: 0C13    lsr     r3, r2, #0x10			; r3 = Orig. r0 AND #$0000FFFF
080B9B2E: 4668    mov     r0, sp
080B9B30: 7001    strb    r1, [r0]			; New Stack Entry = Orig. r1
080B9B32: 480C    ldr     r0, =#0x0000011F
080B9B34: 4283    cmp     r3, r0
080B9B36: D822    bhi     0x080B9B7E			; Exit if Orig. r0 > #$011F

080B9B38: 0D12    lsr     r2, r2, #0x14			; r2 = Orig. r0's Bits 4 to 15 in Bits 0 to 11
080B9B3A: 210F    mov     r1, #0x0F
080B9B3C: 4019    and     r1, r3			; r1 = Orig. r0's Bits 0 to 3
080B9B3E: 2080    mov     r0, #0x80
080B9B40: 0240    lsl     r0, r0, #0x9			; r0 = #$10000
080B9B42: 4088    lsl     r0, r1			; ???
080B9B44: 0C03    lsr     r3, r0, #0x10
080B9B46: 4668    mov     r0, sp
080B9B48: 7800    ldrb    r0, [r0]
080B9B4A: 2800    cmp     r0, #0x00
080B9B4C: D00E    beq     0x080B9B6C

080B9B4E: 4806    ldr     r0, =#0x0202D7A0
080B9B50: 0051    lsl     r1, r2, #0x1
080B9B52: 2291    mov     r2, #0x91
080B9B54: 0092    lsl     r2, r2, #0x2
080B9B56: 1880    add     r0, r0, r2
080B9B58: 1809    add     r1, r1, r0
080B9B5A: 880A    ldrh    r2, [r1]
080B9B5C: 1C18    add     r0, r3, #0x0
080B9B5E: 4310    orr     r0, r2
080B9B60: E00C    b       0x080B9B7C

;080B9B62: 0000    lsl     r0, r0, #0x0
;080B9B64: 011F    lsl     r7, r3, #0x4
;080B9B66: 0000    lsl     r0, r0, #0x0
;080B9B68: D7A0    bvc     0x080B9AAC
;080B9B6A: 0202    lsl     r2, r0, #0x8

080B9B6C: 4805    ldr     r0, =#0x0202D7A0
080B9B6E: 0051    lsl     r1, r2, #0x1
080B9B70: 2291    mov     r2, #0x91
080B9B72: 0092    lsl     r2, r2, #0x2
080B9B74: 1880    add     r0, r0, r2
080B9B76: 1809    add     r1, r1, r0
080B9B78: 8808    ldrh    r0, [r1]
080B9B7A: 4398    bic     r0, r3

080B9B7C: 8008    strh    r0, [r1]

080B9B7E: B001    add     sp, #0x004
080B9B80: 4770    bx      lr

;080B9B82: 0000    lsl     r0, r0, #0x0
;080B9B84: D7A0    bvc     0x080B9AC8
;080B9B86: 0202    lsl     r2, r0, #0x8

$080B9B88 - ?

r0 contains an address, r1 a 16-bit-value.

080B9B88: B530    push    {r4, r5, lr}
080B9B8A: B081    add     sp, #-0x004			; Add new Stack Entry

080B9B8C: 1C03    add     r3, r0, #0x0			; r3 = Orig. r0
080B9B8E: 0409    lsl     r1, r1, #0x10
080B9B90: 0C0D    lsr     r5, r1, #0x10			; r5 = Orig. r1 AND #$0000FFFF
080B9B92: 4669    mov     r1, sp
080B9B94: 2000    mov     r0, #0x00
080B9B96: 8008    strh    r0, [r1]			; Clear newly added Stack Entry
080B9B98: 4914    ldr     r1, =#0x040000D4
080B9B9A: 4668    mov     r0, sp
080B9B9C: 6008    str     r0, [r1]			; Stack Entry as DMA Source
080B9B9E: 4A14    ldr     r2, =#0x00001964
080B9BA0: 1898    add     r0, r3, r2
080B9BA2: 6048    str     r0, [r1, #0x04]		; DMA Destination: Orig. r0 + #$1964
080B9BA4: 4813    ldr     r0, =#0x81000AF0
080B9BA6: 6088    str     r0, [r1, #0x08]		; Fixed DMA, clear $0AF0 Double Bytes

080B9BA8: 6888    ldr     r0, [r1, #0x08]
080B9BAA: 6888    ldr     r0, [r1, #0x08]
080B9BAC: 2280    mov     r2, #0x80
080B9BAE: 0612    lsl     r2, r2, #0x18
080B9BB0: 2800    cmp     r0, #0x00
080B9BB2: DA03    bge     0x080B9BBC

080B9BB4: 6888    ldr     r0, [r1, #0x08]
080B9BB6: 4010    and     r0, r2
080B9BB8: 2800    cmp     r0, #0x00
080B9BBA: D1FB    bne     0x080B9BB4

080B9BBC: 480E    ldr     r0, =#0x00003ACC
080B9BBE: 181C    add     r4, r3, r0
080B9BC0: 2000    mov     r0, #0x00
080B9BC2: 8020    strh    r0, [r4]			; Orig. r0 + #$3ACC = #$0000
080B9BC4: 2D02    cmp     r5, #0x02
080B9BC6: D806    bhi     0x080B9BD6			; Leave bx r1 out if Orig. r1 > #$02 (invalid Jump Table Entry number)

080B9BC8: 480C    ldr     r0, =#0x08699A78		; Jump Table Offset
080B9BCA: 00A9    lsl     r1, r5, #0x2			; Jump Table Index
080B9BCC: 1809    add     r1, r1, r0			; Form Address of Jump Table Entry
080B9BCE: 6809    ldr     r1, [r1]			; Load address from Jump Table
080B9BD0: 1C18    add     r0, r3, #0x0			; r0 = Orig. r0
080B9BD2: F006    bl       
080B9BD4: FCC9    bl      0x080C0568			; bx r1

080B9BD6: 480A    ldr     r0, =#0x02029CB0
080B9BD8: 8821    ldrh    r1, [r4]			; r1 = Orig. r0 + #$3ACC( = #$0000?)
080B9BDA: 22BC    mov     r2, #0xBC
080B9BDC: 0052    lsl     r2, r2, #0x1
080B9BDE: 1880    add     r0, r0, r2			; r0 = #$02029E28
080B9BE0: 7001    strb    r1, [r0]			; $02029E28 = #$0000(???)

080B9BE2: B001    add     sp, #0x004			; Remove added Stack Entry
080B9BE4: BC30    pop     {r4, r5}
080B9BE6: BC01    pop     {r0}
080B9BE8: 4700    bx      r0

;080B9BEA: 0000    lsl     r0, r0, #0x0
;080B9BEC: 00D4    lsl     r4, r2, #0x3
;080B9BEE: 0400    lsl     r0, r0, #0x10
;080B9BF0: 1964    add     r4, r4, r5
;080B9BF2: 0000    lsl     r0, r0, #0x0
;080B9BF4: 0AF0    lsr     r0, r6, #0xB
;080B9BF6: 8100    strh    r0, [r0, #0x08]
;080B9BF8: 3ACC    sub     r2, #0xCC
;080B9BFA: 0000    lsl     r0, r0, #0x0
;080B9BFC: 9A78    ldr     r2, [sp, #0x1E0]
;080B9BFE: 0869    lsr     r1, r5, #0x1
;080B9C00: 9CB0    ldr     r4, [sp, #0x2C0]
;080B9C02: 0202    lsl     r2, r0, #0x8

$080BA39C - ?

080BA39C: B570    push    {r4, r5, r6, lr}
080BA39E: 1C05    add     r5, r0, #0x0
080BA3A0: 1C0E    add     r6, r1, #0x0
080BA3A2: 7BB4    ldrb    r4, [r6, #0x0E]
080BA3A4: 07E1    lsl     r1, r4, #0x1F
080BA3A6: 2032    mov     r0, #0x32
080BA3A8: 1940    add     r0, r0, r5
080BA3AA: 4684    mov     r12, r0
080BA3AC: 0FC9    lsr     r1, r1, #0x1F
080BA3AE: 0189    lsl     r1, r1, #0x6
080BA3B0: 7802    ldrb    r2, [r0]
080BA3B2: 2041    mov     r0, #0x41
080BA3B4: 4240    neg     r0, r0
080BA3B6: 4010    and     r0, r2
080BA3B8: 4308    orr     r0, r1
080BA3BA: 7B73    ldrb    r3, [r6, #0x0D]
080BA3BC: 0719    lsl     r1, r3, #0x1C
080BA3BE: 0F89    lsr     r1, r1, #0x1E
080BA3C0: 2204    mov     r2, #0x04
080BA3C2: 4252    neg     r2, r2
080BA3C4: 4010    and     r0, r2
080BA3C6: 4308    orr     r0, r1
080BA3C8: 091B    lsr     r3, r3, #0x4
080BA3CA: 009B    lsl     r3, r3, #0x2
080BA3CC: 213D    mov     r1, #0x3D
080BA3CE: 4249    neg     r1, r1
080BA3D0: 4008    and     r0, r1
080BA3D2: 4318    orr     r0, r3
080BA3D4: 4661    mov     r1, r12
080BA3D6: 7008    strb    r0, [r1]
080BA3D8: 8A30    ldrh    r0, [r6, #0x10]
080BA3DA: 8628    strh    r0, [r5, #0x30]
080BA3DC: 0664    lsl     r4, r4, #0x19
080BA3DE: 0EA4    lsr     r4, r4, #0x1A
080BA3E0: 0164    lsl     r4, r4, #0x5
080BA3E2: 8EA9    ldrh    r1, [r5, #0x34]
080BA3E4: 4813    ldr     r0, =#0xFFFFF81F
080BA3E6: 4008    and     r0, r1
080BA3E8: 4320    orr     r0, r4
080BA3EA: 86A8    strh    r0, [r5, #0x34]
080BA3EC: 2200    mov     r2, #0x00
080BA3EE: 4812    ldr     r0, =#0x0000FFFF
080BA3F0: 1C03    add     r3, r0, #0x0
080BA3F2: 0050    lsl     r0, r2, #0x1
080BA3F4: 1828    add     r0, r5, r0
080BA3F6: 8801    ldrh    r1, [r0]
080BA3F8: 4319    orr     r1, r3
080BA3FA: 8001    strh    r1, [r0]
080BA3FC: 1C50    add     r0, r2, #0x1
080BA3FE: 0400    lsl     r0, r0, #0x10
080BA400: 0C02    lsr     r2, r0, #0x10
080BA402: 2A07    cmp     r2, #0x07
080BA404: D9F5    bls     0x080BA3F2
080BA406: 1C28    add     r0, r5, #0x0
080BA408: 1C31    add     r1, r6, #0x0
080BA40A: 2206    mov     r2, #0x06
080BA40C: F004    bl       
080BA40E: FDAC    bl      0x080BEF68
080BA410: 2200    mov     r2, #0x00				; Setup Loop Counter
080BA412: 1C2C    add     r4, r5, #0x0
080BA414: 3410    add     r4, #0x10
080BA416: 1C33    add     r3, r6, #0x0
080BA418: 3312    add     r3, #0x12

080BA41A: 0051    lsl     r1, r2, #0x1
080BA41C: 1861    add     r1, r4, r1
080BA41E: 1898    add     r0, r3, r2
080BA420: 7800    ldrb    r0, [r0]
080BA422: 8008    strh    r0, [r1]
080BA424: 1C50    add     r0, r2, #0x1				; Increment Loop Counter
080BA426: 0400    lsl     r0, r0, #0x10
080BA428: 0C02    lsr     r2, r0, #0x10
080BA42A: 2A0F    cmp     r2, #0x0F
080BA42C: D9F5    bls     0x080BA41A

080BA42E: BC70    pop     {r4, r5, r6}
080BA430: BC01    pop     {r0}
080BA432: 4700    bx      r0

;080BA434: F81F    bl      0x07FBA474
;080BA436: FFFF    bl      0x080DA436
;080BA438: FFFF    bl      0x080BA438
;080BA43A: 0000    lsl     r0, r0, #0x0

$080BA630 - (Is Bit 6 of $0202B270/380/490/5A0 set?)

Test if Bit 6 is set in these four registers: $0202B270/380/490/5A0. If it is, return r0 = #$01. If none of the four Bits are set, return r0 = #$00.

080BA630: 2112    mov     r1, #0x12
080BA632: 4A05    ldr     r2, =#0x02029F50
080BA634: 0108    lsl     r0, r1, #0x4				; r0 = r1 * #$10 = #$120/#$130/#$140/#$150
080BA636: 1840    add     r0, r0, r1				; r0 = r1 * #$11 = #$132/#$143/#$154/#$165
080BA638: 0100    lsl     r0, r0, #0x4				; r0 = r1 * #$110 = #$1320/#$1430/#$1540/#$1650
080BA63A: 1880    add     r0, r0, r2				; r0 = #$0202B270/380/490/5A0
080BA63C: 7800    ldrb    r0, [r0]				; r0 = $0202B270/380/490/5A0
080BA63E: 0640    lsl     r0, r0, #0x19
080BA640: 2800    cmp     r0, #0x00				; Is Bit 6 of $0202B270 clear?
080BA642: DA03    bge     0x080BA64C				; Branch if it is
080BA644: 2001    mov     r0, #0x01				; If not found, return r0 = #$01
080BA646: E007    b       0x080BA658

;080BA648: 9F50    ldr     r7, [sp, #0x140]
;080BA64A: 0202    lsl     r2, r0, #0x8

080BA64C: 1C48    add     r0, r1, #0x1
080BA64E: 0400    lsl     r0, r0, #0x10
080BA650: 0C01    lsr     r1, r0, #0x10				; r1 = r1 + 1 AND #$0000FFFF
080BA652: 2916    cmp     r1, #0x16
080BA654: D9EE    bls     0x080BA634				; Repeat this look up until r1 exceeds #$16
080BA656: 2000    mov     r0, #0x00				; If not found, return r0 = #$00
080BA658: 4770    bx      lr

$080BA6B0 - ?

080BA6B0: 4A05    ldr     r2, =#0x0202D7A0
080BA6B2: 212E    mov     r1, #0x2E
080BA6B4: 5E50    ldsh    r0, [r2, r1]			; r0 = $0202D7CE(?)
080BA6B6: 2862    cmp     r0, #0x62
080BA6B8: DC02    bgt     0x080BA6C0			; r0 = #$01 and exit if r0 > #$62
080BA6BA: 2100    mov     r1, #0x00
080BA6BC: 2800    cmp     r0, #0x00
080BA6BE: DD00    ble     0x080BA6C2			; r0 = #$00 and exit if r0 < #$01

080BA6C0: 2101    mov     r1, #0x01			; Else: r0 = #$01

080BA6C2: 1C08    add     r0, r1, #0x0
080BA6C4: 4770    bx      lr

;080BA6C6: 0000    lsl     r0, r0, #0x0
;080BA6C8: D7A0    bvc     0x080BA60C
;080BA6CA: 0202    lsl     r2, r0, #0x8

$080BA678 - ?

080BA678: 4A05    ldr     r2, =#0x0202D7A0
080BA67A: 211C    mov     r1, #0x1C
080BA67C: 5E50    ldsh    r0, [r2, r1]				; r0 = $0202D7BC(?)
080BA67E: 2862    cmp     r0, #0x62
080BA680: DC02    bgt     0x080BA688				; r0 = #$01 and exit if r0 > #$62

080BA682: 2100    mov     r1, #0x00
080BA684: 2800    cmp     r0, #0x00
080BA686: DD00    ble     0x080BA68A				; r0 = #$00 and exit if r0 < #$01

080BA688: 2101    mov     r1, #0x01				; Else: r0 = #$01

080BA68A: 1C08    add     r0, r1, #0x0
080BA68C: 4770    bx      lr

;080BA68E: 0000    lsl     r0, r0, #0x0
;080BA690: D7A0    bvc     0x080BA5D4
;080BA692: 0202    lsl     r2, r0, #0x8

$080BA694 - ?

080BA694: 4A05    ldr     r2, =#0x0202D7A0
080BA696: 2126    mov     r1, #0x26
080BA698: 5E50    ldsh    r0, [r2, r1]				; r0 = $0202D7C6(?)
080BA69A: 2862    cmp     r0, #0x62
080BA69C: DC02    bgt     0x080BA6A4				; r0 = #$01 and exit if r0 > #$62

080BA69E: 2100    mov     r1, #0x00
080BA6A0: 2800    cmp     r0, #0x00
080BA6A2: DD00    ble     0x080BA6A6				; r0 = #$00 and exit if r0 < #$01

080BA6A4: 2101    mov     r1, #0x01				; Else: r0 = #$01

080BA6A6: 1C08    add     r0, r1, #0x0
080BA6A8: 4770    bx      lr

;080BA6AA: 0000    lsl     r0, r0, #0x0
;080BA6AC: D7A0    bvc     0x080BA5F0
;080BA6AE: 0202    lsl     r2, r0, #0x8

$080BB51C - Load Double Byte from a Table

r0 contains a Table address, r1 a Load Index value. A double Byte is loaded from there.

080BB51C: 0409    lsl     r1, r1, #0x10			; r1 AND #$0000FFFF * 2
080BB51E: 0BC9    lsr     r1, r1, #0xF
080BB520: 30DC    add     r0, #0xDC			; r0 = r0 + #$DC
080BB522: 1840    add     r0, r0, r1			; Add Index to Address
080BB524: 8800    ldrh    r0, [r0]			; Load byte from there
080BB526: 4770    bx      lr

$080BB7FC - ?

080BB7FC: B530    push    {r4, r5, lr}

080BB7FE: 1C05    add     r5, r0, #0x0			; r5 = Orig. r0
080BB800: F000    bl       
080BB802: F970    bl      0x080BBAE4			; ?
080BB804: 0400    lsl     r0, r0, #0x10
080BB806: 0C00    lsr     r0, r0, #0x10			; r0 AND #$0000FFFF
080BB808: 2800    cmp     r0, #0x00
080BB80A: D00C    beq     0x080BB826			; Exit if r0 = #$00

080BB80C: 0104    lsl     r4, r0, #0x4			; r4 = r0 * #$10
080BB80E: 1824    add     r4, r4, r0			; r4 = r0 * #$11
080BB810: 0124    lsl     r4, r4, #0x4			; r4 = r0 * #$110
080BB812: 4806    ldr     r0, =#0x02029F50
080BB814: 1824    add     r4, r4, r0			; r4 = #$02029F50 + #$110 * previous r0 (Subroutine Result?)
080BB816: 1C20    add     r0, r4, #0x0
080BB818: 1C29    add     r1, r5, #0x0			; r1 = Orig. r0
080BB81A: 2200    mov     r2, #0x00
080BB81C: F000    bl       
080BB81E: F8F4    bl      0x080BBA08			; ?
080BB820: 1C20    add     r0, r4, #0x0			; (See above)
080BB822: F7FF    bl       
080BB824: FFB3    bl      0x080BB78C			; ?

080BB826: BC30    pop     {r4, r5}
080BB828: BC01    pop     {r0}
080BB82A: 4700    bx      r0

;080BB82C: 9F50    ldr     r7, [sp, #0x140]
;080BB82E: 0202    lsl     r2, r0, #0x8

$080BBBBC - ?

080BBBBC: B530    push    {r4, r5, lr}
080BBBBE: 1C04    add     r4, r0, #0x0				; r4 = Orig. r0
080BBBC0: 6860    ldr     r0, [r4, #0x04]			; r0 = Orig. r0 + #$04
080BBBC2: 0240    lsl     r0, r0, #0x9
080BBBC4: 0D80    lsr     r0, r0, #0x16				; Bits 11 to 30 are now in Bits 0 to 18
080BBBC6: 3801    sub     r0, #0x01				; ?
080BBBC8: F786    bl       
080BBBCA: FE82    bl      0x080428D0				; ?
080BBBCC: 1C05    add     r5, r0, #0x0				; ?
080BBBCE: 6860    ldr     r0, [r4, #0x04]			; r0 = Orig. r0 + #$04
080BBBD0: 0240    lsl     r0, r0, #0x9
080BBBD2: 0D80    lsr     r0, r0, #0x16				; Bits 11 to 30 are now in Bits 0 to 18
080BBBD4: F786    bl       
080BBBD6: FE7C    bl      0x080428D0				; ?
080BBBD8: 1C01    add     r1, r0, #0x0					; ?
080BBBDA: 1B49    sub     r1, r1, r5				; ?
080BBBDC: 6CA0    ldr     r0, [r4, #0x48]			; r0 = Orig. r0 + #$48
080BBBDE: 1B40    sub     r0, r0, r5				; ?
080BBBE0: 2264    mov     r2, #0x64
080BBBE2: 4350    mul     r0, r2				; ?
080BBBE4: F004    bl       
080BBBE6: FD90    bl      0x080C0708				; ?
080BBBE8: 2105    mov     r1, #0x05				; ?
080BBBEA: F004    bl       
080BBBEC: FD8D    bl      0x080C0708				; ?
080BBBEE: 0400    lsl     r0, r0, #0x10
080BBBF0: 0C00    lsr     r0, r0, #0x10				; ?
080BBBF2: BC30    pop     {r4, r5}
080BBBF4: BC02    pop     {r1}
080BBBF6: 4708    bx      r1

$080BBBF8 - ?

080BBBF8: B570    push    {r4, r5, r6, lr}
080BBBFA: 4646    mov     r6, r8
080BBBFC: B440    push    {r6}
080BBBFE: 1C06    add     r6, r0, #0x0			; r6 = Orig. r0
080BBC00: 040D    lsl     r5, r1, #0x10			; r5 = Orig. r1 AND #$0000FFFF
080BBC02: 0C2D    lsr     r5, r5, #0x10
080BBC04: 0068    lsl     r0, r5, #0x1			; r0 = Orig. r1 * 2
080BBC06: 1C34    add     r4, r6, #0x0			; r4 = Orig. r0
080BBC08: 344C    add     r4, #0x4C				; r4 = Orig. r0 + #$4C
080BBC0A: 1824    add     r4, r4, r0				; r4 = (Orig. r0 + #$4C) + (Orig. r1 * 2)
080BBC0C: 2100    mov     r1, #0x00
080BBC0E: 5E60    ldsh    r0, [r4, r1]			; ?
080BBC10: F78B    bl       
080BBC12: FEEA    bl      0x080479E8				; ?
080BBC14: 4680    mov     r8, r0
080BBC16: 8820    ldrh    r0, [r4]
080BBC18: 3001    add     r0, #0x01
080BBC1A: 0400    lsl     r0, r0, #0x10
080BBC1C: 1400    asr     r0, r0, #0x10
080BBC1E: F78B    bl       
080BBC20: FEE3    bl      0x080479E8
080BBC22: 1C01    add     r1, r0, #0x0
080BBC24: 4642    mov     r2, r8
080BBC26: 1A89    sub     r1, r1, r2
080BBC28: 00AD    lsl     r5, r5, #0x2
080BBC2A: 368C    add     r6, #0x8C
080BBC2C: 1976    add     r6, r6, r5
080BBC2E: 6830    ldr     r0, [r6]
080BBC30: 1A80    sub     r0, r0, r2
080BBC32: 2264    mov     r2, #0x64
080BBC34: 4350    mul     r0, r2
080BBC36: F004    bl       
080BBC38: FD67    bl      0x080C0708
080BBC3A: 2105    mov     r1, #0x05
080BBC3C: F004    bl       
080BBC3E: FD64    bl      0x080C0708
080BBC40: 0400    lsl     r0, r0, #0x10
080BBC42: 0C00    lsr     r0, r0, #0x10
080BBC44: BC08    pop     {r3}
080BBC46: 4698    mov     r8, r3
080BBC48: BC70    pop     {r4, r5, r6}
080BBC4A: BC02    pop     {r1}
080BBC4C: 4708    bx      r1

;080BBC4E: 0000    lsl     r0, r0, #0x0

$080BBE70 - (Put a Super Randomized Number in $0202DA08/9?)

The first bits seem to me like they try to form a super-random number in this newly added Stack entry.

r0 and r1 contain addresses.

This is much more complicated than it has to if you need a Random Number. Whatever. The Random Number is stored in $0202DA08/9 in the end.

080BBE70: B5F0    push    {r4, r5, r6, r7, lr}
080BBE72: 464F    mov     r7, r9
080BBE74: 4646    mov     r6, r8
080BBE76: B4C0    push    {r6, r7}
080BBE78: B081    add     sp, #-0x004

080BBE7A: 4681    mov     r9, r0
080BBE7C: 4688    mov     r8, r1
080BBE7E: 4669    mov     r1, sp
080BBE80: 2000    mov     r0, #0x00
080BBE82: 8008    strh    r0, [r1]				; Clear newly added Stack Entry
080BBE84: 466D    mov     r5, sp
080BBE86: F003    bl       
080BBE88: FA2B    bl      0x080BF2E0				; (Get a Random Number?)
080BBE8A: 8829    ldrh    r1, [r5]				; Load value (from newly added stack entry)
080BBE8C: 1809    add     r1, r1, r0				; (Add Random Number?)
080BBE8E: 8029    strh    r1, [r5]				; Store value back
080BBE90: 4859    ldr     r0, =#0x00003AB8
080BBE92: 4448    add     r0, r9
080BBE94: 6801    ldr     r1, [r0]				; r1 = [Orig. r0 + #$3AB8]
080BBE96: 8828    ldrh    r0, [r5]				; Load from Stack entry
080BBE98: 1840    add     r0, r0, r1				; Add r1
080BBE9A: 8028    strh    r0, [r5]				; Store back
080BBE9C: 4957    ldr     r1, =#0x04000006
080BBE9E: 8828    ldrh    r0, [r5]				; Load from Stack entry
080BBEA0: 8809    ldrh    r1, [r1]				; Load Vertical Counter
080BBEA2: 1840    add     r0, r0, r1				; Add vertical counter
080BBEA4: 8028    strh    r0, [r5]				; Store value back
080BBEA6: 2600    mov     r6, #0x00				; Clear Loop Counter
080BBEA8: 4A55    ldr     r2, =#0x00003A0C
080BBEAA: 444A    add     r2, r9				; r2 = Orig. r0 + #$3A0C

080BBEAC: 0070    lsl     r0, r6, #0x1				; r0 = Loop Counter * 2
080BBEAE: 1810    add     r0, r2, r0				; r0 = Orig. r0 + #$3A0C + Loop Counter * 2
080BBEB0: 8829    ldrh    r1, [r5]				; r1 = Load Stack entry
080BBEB2: 8800    ldrh    r0, [r0]				; r0 = [Orig. r0 + #$3A0C + Loop Counter * 2]
080BBEB4: 1809    add     r1, r1, r0				; Add both
080BBEB6: 8029    strh    r1, [r5]				; Store back on stack
080BBEB8: 1C70    add     r0, r6, #0x1				; Increment Loop Counter
080BBEBA: 0400    lsl     r0, r0, #0x10				; Loop Counter AND #$000FFFF
080BBEBC: 0C06    lsr     r6, r0, #0x10
080BBEBE: 2E07    cmp     r6, #0x07
080BBEC0: D9F4    bls     0x080BBEAC				; Loop until Loop Counter > #$07

080BBEC2: 4850    ldr     r0, =#0x000038F0
080BBEC4: 4448    add     r0, r9				; r0 = Orig. r0 + #$38F0
080BBEC6: 7802    ldrb    r2, [r0]				; r2 = [Orig. r0 + #$38F0]
080BBEC8: 0791    lsl     r1, r2, #0x1E
080BBECA: 0F89    lsr     r1, r1, #0x1E				; r1 = r2 AND #$00000003
080BBECC: 8828    ldrh    r0, [r5]				; Load from Stack entry
080BBECE: 1840    add     r0, r0, r1				; Add that ANDed value
080BBED0: 8028    strh    r0, [r5]				; Store back
080BBED2: 0652    lsl     r2, r2, #0x19
080BBED4: 0ED2    lsr     r2, r2, #0x1B				; r2 = r2 AND #$0000000C >> 2
080BBED6: 8828    ldrh    r0, [r5]				; Load from Stack entry
080BBED8: 1880    add     r0, r0, r2				; Add that ANDed value
080BBEDA: 8028    strh    r0, [r5]				; Store back
080BBEDC: 484A    ldr     r0, =#0x00000E92
080BBEDE: 4440    add     r0, r8				; r0 = Orig. r1 + #$00000E92
080BBEE0: 7801    ldrb    r1, [r0]				; Load Byte from Orig. r1 + #$00000E92
080BBEE2: 2001    mov     r0, #0x01
080BBEE4: 4008    and     r0, r1
080BBEE6: 2800    cmp     r0, #0x00
080BBEE8: D053    beq     0x080BBF92				; Branch if the LSB of r1 = 0

080BBEEA: 4643    mov     r3, r8
080BBEEC: 3370    add     r3, #0x70				; r3 = Orig. r1 + #$0070
080BBEEE: 4640    mov     r0, r8				; r0 = Orig. r1
080BBEF0: 6F01    ldr     r1, [r0, #0x70]			; r1 = [Orig. r1 + #$0070]
080BBEF2: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBEF4: 1840    add     r0, r0, r1				; Add loaded byte
080BBEF6: 8028    strh    r0, [r5]				; Store back
080BBEF8: 6859    ldr     r1, [r3, #0x04]			; r1 = [Orig. r1 + #$0074]
080BBEFA: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBEFC: 1840    add     r0, r0, r1				; Add loaded byte
080BBEFE: 8028    strh    r0, [r5]				; Store back in Stack Entry
080BBF00: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBF02: 8919    ldrh    r1, [r3, #0x08]			; r1 = [Orig. r1 + #$0078]
080BBF04: 1840    add     r0, r0, r1				; Add value
080BBF06: 8028    strh    r0, [r5]				; Store back in Stack Entry
080BBF08: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBF0A: 895A    ldrh    r2, [r3, #0x0A]			; r2 = [Orig. r1 + #$007A]
080BBF0C: 1880    add     r0, r0, r2				; Add value
080BBF0E: 8028    strh    r0, [r5]				; Store back in Stack Entry
080BBF10: 89D8    ldrh    r0, [r3, #0x0E]			; r0 = [Orig. r1 + #$0074]
080BBF12: 09C0    lsr     r0, r0, #0x7				; After this, Bit 7 is in Bit 0, the rest is cleared
080BBF14: 0600    lsl     r0, r0, #0x18
080BBF16: 0E00    lsr     r0, r0, #0x18
080BBF18: 8829    ldrh    r1, [r5]				; Load from Stack Entry
080BBF1A: 1809    add     r1, r1, r0				; Add value
080BBF1C: 8029    strh    r1, [r5]				; Store back in Stack Entry
080BBF1E: 4644    mov     r4, r8				; r4 = Orig. r1
080BBF20: 3404    add     r4, #0x04				; r4 = Orig. r1 + #$0004
080BBF22: 2600    mov     r6, #0x00	
080BBF24: 0412    lsl     r2, r2, #0x10				; r2 = [Orig. r1 + #$007A] AND #$0000FFFF
080BBF26: 0C12    lsr     r2, r2, #0x10
080BBF28: 4296    cmp     r6, r2				; Is r2 = #$00?
080BBF2A: D232    bcs     0x080BBF92				; ?

080BBF2C: 466B    mov     r3, sp
080BBF2E: 1C17    add     r7, r2, #0x0				; r7 = Loop Compare Value

080BBF30: 7AA2    ldrb    r2, [r4, #0x0A]			; r2 = [Orig. r1 + #$000E]
080BBF32: 0691    lsl     r1, r2, #0x1A				; AND #$0000003F
080BBF34: 0E89    lsr     r1, r1, #0x1A
080BBF36: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF38: 1840    add     r0, r0, r1				; Add Loaded byte
080BBF3A: 8018    strh    r0, [r3]				; Store back on Stack
080BBF3C: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF3E: 8821    ldrh    r1, [r4]				; r1 = [Orig. r1 + #$0004]
080BBF40: 1840    add     r0, r0, r1
080BBF42: 8018    strh    r0, [r3]				; Store back on Stack
080BBF44: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF46: 8861    ldrh    r1, [r4, #0x02]			; r1 = [Orig. r1 + #$0006]
080BBF48: 1840    add     r0, r0, r1
080BBF4A: 8018    strh    r0, [r3]				; Store back on Stack
080BBF4C: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF4E: 88A1    ldrh    r1, [r4, #0x04]			; r1 = [Orig. r1 + #$0008]
080BBF50: 1840    add     r0, r0, r1
080BBF52: 8018    strh    r0, [r3]				; Store back on Stack
080BBF54: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF56: 88E1    ldrh    r1, [r4, #0x06]			; r1 = [Orig. r1 + #$000A]
080BBF58: 1840    add     r0, r0, r1
080BBF5A: 8018    strh    r0, [r3]				; Store back on Stack
080BBF5C: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF5E: 8921    ldrh    r1, [r4, #0x08]			; r1 = [Orig. r1 + #$000C]
080BBF60: 1840    add     r0, r0, r1
080BBF62: 8018    strh    r0, [r3]				; Store back on Stack
080BBF64: 0652    lsl     r2, r2, #0x19
080BBF66: 0FD2    lsr     r2, r2, #0x1F				; Bit 6 is Bit 0, rest is cleared
080BBF68: 8818    ldrh    r0, [r3]				; Load from Stack Entry
080BBF6A: 1880    add     r0, r0, r2				; Add value
080BBF6C: 8018    strh    r0, [r3]				; Store back on Stack
080BBF6E: 8960    ldrh    r0, [r4, #0x0A]			; r2 = [Orig. r1 + #$000E]
080BBF70: 0580    lsl     r0, r0, #0x16
080BBF72: 0F40    lsr     r0, r0, #0x1D				; Bits 7 to 9 are in Bit 0 to 2, rest is cleared
080BBF74: 8819    ldrh    r1, [r3]				; Load from Stack Entry
080BBF76: 1809    add     r1, r1, r0				; Add value
080BBF78: 8019    strh    r1, [r3]				; Store back on Stack
080BBF7A: 7AE0    ldrb    r0, [r4, #0x0B]			; r2 = [Orig. r1 + #$000F]
080BBF7C: 0700    lsl     r0, r0, #0x1C				; Awww, c'mon, does anybody care anymore?
080BBF7E: 0F80    lsr     r0, r0, #0x1E
080BBF80: 8819    ldrh    r1, [r3]				; Load from Stack Entry
080BBF82: 1809    add     r1, r1, r0				; Add value
080BBF84: 8019    strh    r1, [r3]				; Store back on Stack
080BBF86: 1C70    add     r0, r6, #0x1				; INC Loop Counter
080BBF88: 0400    lsl     r0, r0, #0x10				; Loop Counter AND #$0000FFFF
080BBF8A: 0C06    lsr     r6, r0, #0x10
080BBF8C: 340C    add     r4, #0x0C				; Add #$0C to Orig. r1
080BBF8E: 42BE    cmp     r6, r7
080BBF90: D3CE    bcc     0x080BBF30				; Loop

080BBF92: 491A    ldr     r1, =#0x04000006
080BBF94: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBF96: 8809    ldrh    r1, [r1]				; Load Vertical Counter
080BBF98: 1840    add     r0, r0, r1				; Add value
080BBF9A: 8028    strh    r0, [r5]				; Store back on Stack
080BBF9C: 8828    ldrh    r0, [r5]				; Load from Stack Entry
080BBF9E: 2800    cmp     r0, #0x00				; Repeat this whole if the resulting double byte is = #$0000
080BBFA0: D100    bne     0x080BBFA4
080BBFA2: E770    b       0x080BBE86

080BBFA4: 4819    ldr     r0, =#0x0202D7A0
080BBFA6: 219A    mov     r1, #0x9A
080BBFA8: 0089    lsl     r1, r1, #0x2
080BBFAA: 1840    add     r0, r0, r1				; r0 = #$0202DA08
080BBFAC: 2100    mov     r1, #0x00
080BBFAE: 8001    strh    r1, [r0]				; Clear $0202DA08
080BBFB0: 466C    mov     r4, sp
080BBFB2: 1C07    add     r7, r0, #0x0				; r7 = $0202DA08
080BBFB4: 8820    ldrh    r0, [r4]				; Load Super Randomized Number
080BBFB6: 4A16    ldr     r2, =#0x00000FFF
080BBFB8: 1C11    add     r1, r2, #0x0
080BBFBA: 4008    and     r0, r1				; Super Randomized Number AND #$00000FFF
080BBFBC: 8020    strh    r0, [r4]				; Store back on stack
080BBFBE: 2600    mov     r6, #0x00
080BBFC0: 8820    ldrh    r0, [r4]				; Load Super Randomized Number
080BBFC2: 4286    cmp     r6, r0
080BBFC4: D20E    bcs     0x080BBFE4
080BBFC6: 4D13    ldr     r5, =#0x0202DA08

080BBFC8: F003    bl       
080BBFCA: F98A    bl      0x080BF2E0				; (Get a Random Number?)
080BBFCC: 8829    ldrh    r1, [r5]				; r1 = [$0202DA08]
080BBFCE: 1809    add     r1, r1, r0				; Add Random Number 
080BBFD0: 480A    ldr     r0, =#0x04000006
080BBFD2: 8800    ldrh    r0, [r0]				; Load Vertical Counter
080BBFD4: 1809    add     r1, r1, r0				; Add Vertical Counter to Random Number
080BBFD6: 8029    strh    r1, [r5]				; Store Random number in 
080BBFD8: 1C70    add     r0, r6, #0x1				; Increment Loop Counter
080BBFDA: 0400    lsl     r0, r0, #0x10				; Loop Counter AND #$0000FFFF
080BBFDC: 0C06    lsr     r6, r0, #0x10
080BBFDE: 8820    ldrh    r0, [r4]				; Load Super Randomized Number
080BBFE0: 4286    cmp     r6, r0
080BBFE2: D3F1    bcc     0x080BBFC8				; Loop until Loop Counter reached Super Randomized Number

080BBFE4: 8838    ldrh    r0, [r7]				; r0 = [$0202DA08]
080BBFE6: 2800    cmp     r0, #0x00
080BBFE8: D0E4    beq     0x080BBFB4				; Repeat the whole thing if the Randomized Number is = #$0000

080BBFEA: B001    add     sp, #0x004
080BBFEC: BC18    pop     {r3, r4}
080BBFEE: 4698    mov     r8, r3
080BBFF0: 46A1    mov     r9, r4
080BBFF2: BCF0    pop     {r4, r5, r6, r7}
080BBFF4: BC01    pop     {r0}
080BBFF6: 4700    bx      r0

;080BBFF8: 3AB8    sub     r2, #0xB8
;080BBFFA: 0000    lsl     r0, r0, #0x0
;080BBFFC: 0006    lsl     r6, r0, #0x0
;080BBFFE: 0400    lsl     r0, r0, #0x10
;080BC000: 3A0C    sub     r2, #0x0C
;080BC002: 0000    lsl     r0, r0, #0x0
;080BC004: 38F0    sub     r0, #0xF0
;080BC006: 0000    lsl     r0, r0, #0x0
;080BC008: 0E92    lsr     r2, r2, #0x1A
;080BC00A: 0000    lsl     r0, r0, #0x0
;080BC00C: D7A0    bvc     0x080BBF50
;080BC00E: 0202    lsl     r2, r0, #0x8
;080BC010: 0FFF    lsr     r7, r7, #0x1F
;080BC012: 0000    lsl     r0, r0, #0x0
;080BC014: DA08    bge     0x080BC028
;080BC016: 0202    lsl     r2, r0, #0x8

$080BD308 - ?

080BD308: B500    push    {lr}
080BD30A: F7FF    bl       
080BD30C: FFDD    bl      0x080BD2C8			; ?
080BD30E: 0400    lsl     r0, r0, #0x10
080BD310: 0C00    lsr     r0, r0, #0x10
080BD312: 2805    cmp     r0, #0x05
080BD314: D901    bls     0x080BD31A			; If r0 < #$06, r0 = #$01
080BD316: 2000    mov     r0, #0x00			; Else r0 = #$00
080BD318: E000    b       0x080BD31C
080BD31A: 2001    mov     r0, #0x01
080BD31C: BC02    pop     {r1}
080BD31E: 4708    bx      r1

$080BD320 - (Load Address in r0)

r0 contains a number; it's an entry number for a table in WRAM starting at $0203B6D0. Each register there contains an address, which is loaded and left in r0 when the subroutine exits. If r0 was #$3F at the beginning, #$0203B7D8 gets set in r0 and it is exited.

080BD320: 0400    lsl     r0, r0, #0x10
080BD322: 0C00    lsr     r0, r0, #0x10	; Remove Upper Double Byte from r0
080BD324: 283F    cmp     r0, #0x3F
080BD326: D007    beq     0x080BD338		; If r0 = #$3F, set fixed address and exit
080BD328: 0080    lsl     r0, r0, #0x2
080BD32A: 4902    ldr     r1, =#0x0203B6D0
080BD32C: 1840    add     r0, r0, r1
080BD32E: 6800    ldr     r0, [r0]
080BD330: E003    b       0x080BD33A

;DATA
;==============
;080BD332: 0000    lsl     r0, r0, #0x0
;080BD334: B6D0    push    {r4, r6, r7}
;080BD336: 0203    lsl     r3, r0, #0x8

080BD338: 4800    ldr     r0, =#0x0203B7D8
080BD33A: 4770    bx      lr

$080BD340 - (Load Address in r0)

r0 contains a number; it's an entry number for a table in WRAM starting at $0203B6E8. If r0 was #$3F at the beginning, #$0203B8E8 gets set in r0 and it is exited. Else, the value gets multiplied by 28 and is added to the Table offset.

080BD340: 0400    lsl     r0, r0, #0x10
080BD342: 0C01    lsr     r1, r0, #0x10	; Remove Upper Double Byte from r0, store it in r1
080BD344: 293F    cmp     r1, #0x3F		; If r1 = #$3F, set fixed address and exit
080BD346: D103    bne     0x080BD350
080BD348: 4800    ldr     r0, =#0x0203B8E8
080BD34A: E006    b       0x080BD35A

;080BD34C: B8E8    pop     {r3, r5, r6, r7}
;080BD34E: 0203    lsl     r3, r0, #0x8

080BD350: 00C8    lsl     r0, r1, #0x3		; r0 = value * 8
080BD352: 1A40    sub     r0, r0, r1		; r0 = value * 8 - 1 = value * 7
080BD354: 0080    lsl     r0, r0, #0x2		; r0 = value * 7 * 2 * 2 = value * 28
080BD356: 4901    ldr     r1, =#0x0203B6E8
080BD358: 1840    add     r0, r0, r1
080BD35A: 4770    bx      lr

;080BD35C: B6E8    push    {r3, r5, r6, r7}
;080BD35E: 0203    lsl     r3, r0, #0x8

$080BD360 - (Load Address in r0)

If r0 = $0000003F, r0 gets $0203B904

If not, the value in r0 gets multiplied by 12 and added to #$0203B790 from the address that was formed in r0 it's value gets loaded

So, from $0203B6D0 on, the registers are a table, and the original value in r0 is the table entry number to load

080BD360: 0400    lsl     r0, r0, #0x10
080BD362: 0C01    lsr     r1, r0, #0x10
080BD364: 293F    cmp     r1, #0x3F
080BD366: D103    bne     0x080BD370
080BD368: 4800    ldr     r0, =#0x0203B904
080BD36A: E006    b       0x080BD37A

;080BD36C: B904    pop     {r2, pc}
;080BD36E: 0203    lsl     r3, r0, #0x8

080BD370: 0048    lsl     r0, r1, #0x1
080BD372: 1840    add     r0, r0, r1
080BD374: 0080    lsl     r0, r0, #0x2
080BD376: 4901    ldr     r1, =#0x0203B790
080BD378: 1840    add     r0, r0, r1
080BD37A: 4770    bx      lr

;080BD37C: B790    push    {r4, r7, lr}
;080BD37E: 0203    lsl     r3, r0, #0x8

$080BD380 - (Load Address in r0)

If r0 = #$3F, r0 exits with value (address) #$0203B7D8. If r0 has a different value, in the end r0 is = #$02029F50 + value * 272.

080BD380: 0400    lsl     r0, r0, #0x10
080BD382: 0C01    lsr     r1, r0, #0x10
080BD384: 293F    cmp     r1, #0x3F
080BD386: D007    beq     0x080BD398

080BD388: 0108    lsl     r0, r1, #0x4		; r0 = value * 16
080BD38A: 1840    add     r0, r0, r1		; r0 = value * 17
080BD38C: 0100    lsl     r0, r0, #0x4		; r0 = value * 272
080BD38E: 4901    ldr     r1, =#0x02029F50
080BD390: 1840    add     r0, r0, r1		; r0 = #$02029F50 + value * 272
080BD392: E002    b       0x080BD39A

;080BD394: 9F50    ldr     r7, [sp, #0x140]
;080BD396: 0202    lsl     r2, r0, #0x8

080BD398: 4800    ldr     r0, =#0x0203B7D8
080BD39A: 4770    bx      lr

;080BD39C: B7D8    push    {r3, r4, r6, r7, lr}
;080BD39E: 0203    lsl     r3, r0, #0x8

$080BD5E0 - Calculate address of a tile ($02032704)

r0, r1 and r2 contain number values.

First of all, an address is loaded from $02032704. Then the calculation goes address + r0 * #$4B0. Valid values for r0 are #$00 to #$03. Then the values of r1 and r2 are changed a bit and added to the address.

I expect this to be used this way:

r0 = BG Number

r1 = Tile Column Number (X)

r2 = Tile Row Number (Y)

The calculation is final address = (address in $0203704) + 2 * (30 * r2 + r1). The screen can contain thirty 8x8 tiles (240px Width), and each tile has two bytes data, so the calculation actually is:

Final Address = Offset + 2 Bytes per Tile * (Number of Tiles per Row * Tile Row Number + Tile Column Number)

The main difference between this subroutine and the one at $0809C36C is that here the basic offset is loaded from $02032704.
080BD5E0: B510 push {r4, lr}

080BD5E2: 0400 lsl r0, r0, #0x10
080BD5E4: 0C00 lsr r0, r0, #0x10		; Remove upper Double Byte from r0
080BD5E6: 1C03 add r3, r0, #0x0			; Copy r0 in r3
080BD5E8: 0409 lsl r1, r1, #0x10
080BD5EA: 0C09 lsr r1, r1, #0x10		; Remove upper Double Byte from r1
080BD5EC: 0412 lsl r2, r2, #0x10
080BD5EE: 0C12 lsr r2, r2, #0x10		; Remove upper Double Byte from r2
080BD5F0: 2801 cmp r0, #0x01
080BD5F2: D00F beq 0x080BD614			; Branch if r0 = #$01
080BD5F4: 2801 cmp r0, #0x01
080BD5F6: DC02 bgt 0x080BD5FE			; Branch if r0 > #$01
080BD5F8: 2800 cmp r0, #0x00
080BD5FA: D005 beq 0x080BD608			; Branch if r0 = #$00
080BD5FC: E022 b 0x080BD644			; Branch if r0 is negative (Set r0 = #$00, Exit)
080BD5FE: 2B02 cmp r3, #0x02			; If r0 > #$01
080BD600: D010 beq 0x080BD624			; Branch if r0 = #$02
080BD602: 2B03 cmp r3, #0x03
080BD604: D016 beq 0x080BD634			; Branch if r0 = #$03
080BD606: E01D b 0x080BD644			; Branch if r0 is higher than #$03 (Set r0 = #$00, Exit)

080BD608: 4801 ldr r0, =#0x02032700		; If r0 = #$00
080BD60A: 6843 ldr r3, [r0, #0x04]		; r3 = [$02032704]
080BD60C: E01C b 0x080BD648

;DATA
;==============
;080BD60E: 0000 lsl r0, r0, #0x0
;080BD610: 2700 mov r7, #0x00
;080BD612: 0203 lsl r3, r0, #0x8

080BD614: 4802 ldr r0, =#0x02032700		; If r0 = #$01
080BD616: 6840 ldr r0, [r0, #0x04]		; r3 = [$02032704]
080BD618: 2496 mov r4, #0x96
080BD61A: 00E4 lsl r4, r4, #0x3
080BD61C: 1903 add r3, r0, r4			; r3 = [$02032704] + #$000004B0
080BD61E: E013 b 0x080BD648

;DATA
;=======
;080BD620: 2700 mov r7, #0x00
;080BD622: 0203 lsl r3, r0, #0x8

080BD624: 4802 ldr r0, =#0x02032700		; If r0 = #$02
080BD626: 6840 ldr r0, [r0, #0x04]		; r3 = [$02032704]
080BD628: 2496 mov r4, #0x96
080BD62A: 0124 lsl r4, r4, #0x4
080BD62C: 1903 add r3, r0, r4			; r3 = [$02032704] + #$00000960
080BD62E: E00B b 0x080BD648

;DATA
;============
;080BD630: 2700 mov r7, #0x00
;080BD632: 0203 lsl r3, r0, #0x8

080BD634: 4802 ldr r0, =#0x02032700		; If r0 = #$03
080BD636: 6840 ldr r0, [r0, #0x04]		; r3 = [$02032704]
080BD638: 24E1 mov r4, #0xE1
080BD63A: 0124 lsl r4, r4, #0x4
080BD63C: 1903 add r3, r0, r4			; r3 = [$02032704] + #$00000E10
080BD63E: E003 b 0x080BD648

;DATA
;============
;080BD640: 2700 mov r7, #0x00
;080BD642: 0203 lsl r3, r0, #0x8

080BD644: 2000 mov r0, #0x00			; If r0 has an invalid value
080BD646: E006 b 0x080BD656

080BD648: 0110 lsl r0, r2, #0x4
080BD64A: 1A80 sub r0, r0, r2			; r0 = 15 * r2
080BD64C: 0040 lsl r0, r0, #0x1			; r0 = 30 * r2
080BD64E: 1808 add r0, r1, r0			; r0 = 30 * r2 + r1
080BD650: 0040 lsl r0, r0, #0x1			; r0 = 2 * (30 * r2 + r1)
080BD652: 181B add r3, r3, r0			; r3 = r3 + 2 * (30 * r2 + r1)
080BD654: 1C18 add r0, r3, #0x0			; Transfer result in r3

080BD656: BC10 pop {r4}
080BD658: BC02 pop {r1}
080BD65A: 4708 bx r1

$080BD684 - ?

r0 contains a number of times the core of this subroutine should be done (loop counter comparison value).

080BD684: B5F0    push    {r4, r5, r6, r7, lr}
080BD686: 4657    mov     r7, r10
080BD688: 464E    mov     r6, r9
080BD68A: 4645    mov     r5, r8
080BD68C: B4E0    push    {r5, r6, r7}

080BD68E: 0400    lsl     r0, r0, #0x10
080BD690: 0C06    lsr     r6, r0, #0x10		; r6 = r0 AND #$0000FFFF
080BD692: 4A24    ldr     r2, =#0x02032700
080BD694: 6851    ldr     r1, [r2, #0x04]		; r1 = [$02032704]
080BD696: 4B24    ldr     r3, =#0x00001F04
080BD698: 18C8    add     r0, r1, r3
080BD69A: 8800    ldrh    r0, [r0]			; ?
080BD69C: 00C0    lsl     r0, r0, #0x3			; ?
080BD69E: 2396    mov     r3, #0x96
080BD6A0: 015B    lsl     r3, r3, #0x5			: r2 = #$000012C0
080BD6A2: 18C0    add     r0, r0, r3			; ?
080BD6A4: 1809    add     r1, r1, r0			; ? (r1 = [$02032704]
080BD6A6: 4689    mov     r9, r1
080BD6A8: 464C    mov     r4, r9
080BD6AA: 2500    mov     r5, #0x00
080BD6AC: 42B5    cmp     r5, r6
080BD6AE: D231    bcs     0x080BD714			; Exit if r6 = 0

080BD6B0: 2011    mov     r0, #0x11
080BD6B2: 4240    neg     r0, r0
080BD6B4: 4680    mov     r8, r0			; r8 = #$FFFFFFEE
080BD6B6: 2321    mov     r3, #0x21
080BD6B8: 425B    neg     r3, r3
080BD6BA: 469C    mov     r12, r3			; r12 = #$FFFFFFDE
080BD6BC: 270D    mov     r7, #0x0D
080BD6BE: 427F    neg     r7, r7			; r7 = #$FFFFFFF2
080BD6C0: 3002    add     r0, #0x02
080BD6C2: 4682    mov     r10, r0			; r19 = #$FFFFFFF0
080BD6C4: 78E0    ldrb    r0, [r4, #0x03]
080BD6C6: 4643    mov     r3, r8
080BD6C8: 4003    and     r3, r0			; r3 = r0 AND #$FFFFFFEE (remove bit 0 and 4)
080BD6CA: 4660    mov     r0, r12
080BD6CC: 4003    and     r3, r0			; r3 = r3 AND #$FFFFFFDE (remove bit 0, 4 and 5)
080BD6CE: 7860    ldrb    r0, [r4, #0x01]
080BD6D0: 4662    mov     r2, r12
080BD6D2: 4002    and     r2, r0			; r2 = r0 AND #$FFFFFFDE (remove bit 0, 4 and 5)
080BD6D4: 403A    and     r2, r7			; r2 = r2 AND #$FFFFFFF2 (remove bit 0, 2 and 3)
080BD6D6: 4640    mov     r0, r8
080BD6D8: 4002    and     r2, r0			; r2 = r2 AND #$FFFFFFEE (remove bit 0 and 4)
080BD6DA: 7961    ldrb    r1, [r4, #0x05]
080BD6DC: 1C38    add     r0, r7, #0x0
080BD6DE: 4008    and     r0, r1			; r0 = r1 AND #$FFFFFFF2 (remove bit 0, 2 and 3)
080BD6E0: 2104    mov     r1, #0x04
080BD6E2: 4308    orr     r0, r1			; Set bit 3 in r0
080BD6E4: 7160    strb    r0, [r4, #0x05]		; Store changed byte back
080BD6E6: 2004    mov     r0, #0x04
080BD6E8: 4240    neg     r0, r0
080BD6EA: 4002    and     r2, r0			; Remove bit 3 in r2
080BD6EC: 7062    strb    r2, [r4, #0x01]		; Store changed byte back
080BD6EE: 4650    mov     r0, r10
080BD6F0: 4003    and     r3, r0			; r3 = r3 AND #$FFFFFFF0 (remove bit 0 to 3)
080BD6F2: 70E3    strb    r3, [r4, #0x03]		; Store changed byte back
080BD6F4: 2000    mov     r0, #0x00
080BD6F6: 80E0    strh    r0, [r4, #0x06]		; Clear doublebyte
080BD6F8: 1C68    add     r0, r5, #0x1
080BD6FA: 0400    lsl     r0, r0, #0x10
080BD6FC: 0C05    lsr     r5, r0, #0x10		; Increment counter
080BD6FE: 3408    add     r4, #0x08			; Increment data load/store address
080BD700: 4B08    ldr     r3, =#0x02032700
080BD702: 6859    ldr     r1, [r3, #0x04]
080BD704: 4808    ldr     r0, =#0x00001F04
080BD706: 1809    add     r1, r1, r0
080BD708: 8808    ldrh    r0, [r1]
080BD70A: 3001    add     r0, #0x01
080BD70C: 880A    ldrh    r2, [r1]			; ? (some Increment)
080BD70E: 8008    strh    r0, [r1]
080BD710: 42B5    cmp     r5, r6
080BD712: D3D7    bcc     0x080BD6C4			; Loop if r5 < r6, else exit

080BD714: 4648    mov     r0, r9
080BD716: BC38    pop     {r3, r4, r5}
080BD718: 4698    mov     r8, r3
080BD71A: 46A1    mov     r9, r4
080BD71C: 46AA    mov     r10, r5
080BD71E: BCF0    pop     {r4, r5, r6, r7}
080BD720: BC02    pop     {r1}
080BD722: 4708    bx      r1

;080BD724: 2700    mov     r7, #0x00
;080BD726: 0203    lsl     r3, r0, #0x8
;080BD728: 1F04    sub     r4, r0, #0x4
;080BD72A: 0000    lsl     r0, r0, #0x0

$080BD838 - ?

080BD838: B500    push    {lr}

080BD83A: 0409    lsl     r1, r1, #0x10				; r1 = AND #$0000FFFF
080BD83C: 0C09    lsr     r1, r1, #0x10
080BD83E: 2904    cmp     r1, #0x04
080BD840: D905    bls     0x080BD84E				; Exit if r1 < #$05

080BD842: 3020    add     r0, #0x20				; r0 = r0 + #$20
080BD844: 3904    sub     r1, #0x04				; r1 = r1 - #$04
080BD846: 0409    lsl     r1, r1, #0x10				; r1 AND #$0000FFFF (This really does not have to be done again, right?)
080BD848: 0C09    lsr     r1, r1, #0x10
080BD84A: F001    bl       
080BD84C: F915    bl      0x080BEA78				; ?

080BD84E: BC01    pop     {r0}
080BD850: 4700    bx      r0

;080BD852: 0000    lsl     r0, r0, #0x0

$080BD854 - (Form a VRAM address?)

This forms a VRAM address out of the values in r0 and r1.

080BD854: 0400    lsl     r0, r0, #0x10
080BD856: 0409    lsl     r1, r1, #0x10
080BD858: 0AC0    lsr     r0, r0, #0xB			; r0 = r0 AND #$0000FFFF, * #$10 (#16)
080BD85A: 0989    lsr     r1, r1, #0x6			; r1 = r1 AND #$0000FFFF, * #$200 (#512)
080BD85C: 1840    add     r0, r0, r1				; add both
080BD85E: 4901    ldr     r1, =#0x06008000
080BD860: 1840    add     r0, r0, r1				; add #$06008000 (VRAM)
080BD862: 4770    bx      lr

;080BD864: 8000    strh    r0, [r0]
;080BD866: 0600    lsl     r0, r0, #0x18

$080BD868 - (Form a WRAM address?)

r0 and r1 contain values for a WRAM address calculation.

080BD868: 0400    lsl     r0, r0, #0x10			; r0 AND #$0000FFFF
080BD86A: 0C00    lsr     r0, r0, #0x10
080BD86C: 0409    lsl     r1, r1, #0x10			; r1 AND #$0000FFFF
080BD86E: 0C09    lsr     r1, r1, #0x10
080BD870: 008A    lsl     r2, r1, #0x2
080BD872: 1852    add     r2, r2, r1				; r2 = r1 * 5
080BD874: 0092    lsl     r2, r2, #0x2			; r2 = r1 * #$14 (#20)
080BD876: 1880    add     r0, r0, r2				; r0 = r0 + r1 * #$14
080BD878: 0080    lsl     r0, r0, #0x2			; r0 = (r0 + r1 * #$14) * 4
080BD87A: 4901    ldr     r1, =#0x02036604
080BD87C: 1840    add     r0, r0, r1				; r0 = #$02036604 + ((r0 + r1 * #$14) * 4)
080BD87E: 4770    bx      lr

;080BD880: 6604    str     r4, [r0, #0x60]
;080BD882: 0203    lsl     r3, r0, #0x8

$080BD884 - ?

r3 contains a load index for the Data Table at $08699A80.

080BD884: B5F0    push    {r4, r5, r6, r7, lr}
080BD886: 464F    mov     r7, r9
080BD888: 4646    mov     r6, r8
080BD88A: B4C0    push    {r6, r7}

080BD88C: 4681    mov     r9, r0				; r9 = Orig. r0
080BD88E: 1C0E    add     r6, r1, #0x0				; r6 = Orig. r1
080BD890: 0412    lsl     r2, r2, #0x10				; r2 AND #$0000FFFF
080BD892: 0C12    lsr     r2, r2, #0x10
080BD894: 4690    mov     r8, r2				; r8 = r2
080BD896: 041B    lsl     r3, r3, #0x10
080BD898: 0C1F    lsr     r7, r3, #0x10				; r7 = r3 AND #$0000FFFF
080BD89A: 00B9    lsl     r1, r7, #0x2				; r1 = r3 * 4
080BD89C: 480E    ldr     r0, =#0x08699A80
080BD89E: 180C    add     r4, r1, r0				; r4 = #$08699A80 + r3 * 4
080BD8A0: 2500    mov     r5, #0x00
080BD8A2: 42BD    cmp     r5, r7
080BD8A4: D212    bcs     0x080BD8CC
080BD8A6: 6821    ldr     r1, [r4]
080BD8A8: 1C30    add     r0, r6, #0x0
080BD8AA: F002    bl       
080BD8AC: F87D    bl      0x080BF9A8
080BD8AE: 0069    lsl     r1, r5, #0x1
080BD8B0: 4449    add     r1, r9
080BD8B2: 4440    add     r0, r8
080BD8B4: 8008    strh    r0, [r1]
080BD8B6: 6821    ldr     r1, [r4]
080BD8B8: 1C30    add     r0, r6, #0x0
080BD8BA: F002    bl       
080BD8BC: F877    bl      0x080BF9AC
080BD8BE: 1C06    add     r6, r0, #0x0
080BD8C0: 1C68    add     r0, r5, #0x1
080BD8C2: 0400    lsl     r0, r0, #0x10
080BD8C4: 0C05    lsr     r5, r0, #0x10
080BD8C6: 3C04    sub     r4, #0x04
080BD8C8: 42BD    cmp     r5, r7
080BD8CA: D3EC    bcc     0x080BD8A6

080BD8CC: BC18    pop     {r3, r4}
080BD8CE: 4698    mov     r8, r3
080BD8D0: 46A1    mov     r9, r4
080BD8D2: BCF0    pop     {r4, r5, r6, r7}
080BD8D4: BC01    pop     {r0}
080BD8D6: 4700    bx      r0

;080BD8D8: 9A80    ldr     r2, [sp, #0x200]
;080BD8DA: 0869    lsr     r1, r5, #0x1

$080BD9B4 - ?

080BD9B4: B510    push    {r4, lr}

080BD9B6: 1C0C    add     r4, r1, #0x0				; r4 = Orig. r1
080BD9B8: 1C20    add     r0, r4, #0x0				; r0 = Orig. r1
080BD9BA: F000    bl       
080BD9BC: F81F    bl      0x080BD9FC				; ?
080BD9BE: F784    bl       
080BD9C0: FFA7    bl      0x08042910				; ?
080BD9C2: F000    bl       
080BD9C4: F877    bl      0x080BDAB4				; ?
080BD9C6: 4B0B    ldr     r3, =#0x0202D7A0
080BD9C8: 347E    add     r4, #0x7E
080BD9CA: 7821    ldrb    r1, [r4]				; r1 = [Orig. r1 + #$7E]
080BD9CC: 07C9    lsl     r1, r1, #0x1F				; r1 = Bit 0 of [Orig. r1 + #$7E]
080BD9CE: 480A    ldr     r0, =#0x0000026A
080BD9D0: 181B    add     r3, r3, r0				; r3 = #$0202DA0A
080BD9D2: 0FC9    lsr     r1, r1, #0x1F
080BD9D4: 0109    lsl     r1, r1, #0x4				; r1 = Bit 0 of [Orig. r1 + #$7E] in Bit 4
080BD9D6: 781A    ldrb    r2, [r3]				; r2 = $0202DA0A
080BD9D8: 2011    mov     r0, #0x11
080BD9DA: 4240    neg     r0, r0				; r0 = #$FFFFFFEF
080BD9DC: 4010    and     r0, r2				; Clear Bit 4 of r0
080BD9DE: 4308    orr     r0, r1				; Add Bit 0 of [Orig. r1 + #$7E] as Bit 4
080BD9E0: 7018    strb    r0, [r3]				; Store back in $0202DA0A
080BD9E2: 7821    ldrb    r1, [r4]
080BD9E4: 0649    lsl     r1, r1, #0x19
080BD9E6: 0FC9    lsr     r1, r1, #0x1F				; r1 = Bit 6 of [Orig. r1 + #$7E] in Bit 0
080BD9E8: 20FF    mov     r0, #0xFF
080BD9EA: F7FC    bl       
080BD9EC: F89D    bl      0x080B9B28				; ?

080BD9EE: BC10    pop     {r4}
080BD9F0: BC01    pop     {r0}
080BD9F2: 4700    bx      r0

;080BD9F4: D7A0    bvc     0x080BD938
;080BD9F6: 0202    lsl     r2, r0, #0x8
;080BD9F8: 026A    lsl     r2, r5, #0x9
;080BD9FA: 0000    lsl     r0, r0, #0x0

$080BDD28 - (DMA to Tilemap Buffer?)

This does a DMA to the Tilemap Buffer, if I get this right.

r0 contains the Source

r1 contains MAY BE the number of the BG it should go to

r2 contains the number of single Bytes(!) to transfer

080BDD28: B510    push    {r4, lr}
080BDD2A: 0409    lsl     r1, r1, #0x10
080BDD2C: 0412    lsl     r2, r2, #0x10
080BDD2E: 4B0E    ldr     r3, =#0x02032700
080BDD30: 0AC9    lsr     r1, r1, #0xB
080BDD32: 24CE    mov     r4, #0xCE
080BDD34: 0164    lsl     r4, r4, #0x5
080BDD36: 1909    add     r1, r1, r4
080BDD38: 685B    ldr     r3, [r3, #0x04]		; Load address of the Tilemap Buffer(?)
080BDD3A: 185B    add     r3, r3, r1			; Add Orig. r1 * 1000 and #$19C0
080BDD3C: 490B    ldr     r1, =#0x040000D4
080BDD3E: 6008    str     r0, [r1]			; Set r0 as DMA Source
080BDD40: 604B    str     r3, [r1, #0x04]		; Set r3 as Destination
080BDD42: 0C52    lsr     r2, r2, #0x11			; r2 = Orig. r2 div by 2: Now it's the number of DOUBLE bytes to transfer
080BDD44: 2380    mov     r3, #0x80
080BDD46: 061B    lsl     r3, r3, #0x18			; r3 = DMA Activation Bit
080BDD48: 431A    orr     r2, r3			; Add Activation bit to the Number of Double Bytes to transfer
080BDD4A: 608A    str     r2, [r1, #0x08]		; Start DMA
080BDD4C: 6888    ldr     r0, [r1, #0x08]
080BDD4E: 6888    ldr     r0, [r1, #0x08]
080BDD50: 4018    and     r0, r3			; Check if DMA has ended
080BDD52: 2800    cmp     r0, #0x00
080BDD54: D004    beq     0x080BDD60

080BDD56: 1C1A    add     r2, r3, #0x0
080BDD58: 6888    ldr     r0, [r1, #0x08]
080BDD5A: 4010    and     r0, r2
080BDD5C: 2800    cmp     r0, #0x00
080BDD5E: D1FB    bne     0x080BDD58

080BDD60: BC10    pop     {r4}				; Exit
080BDD62: BC01    pop     {r0}
080BDD64: 4700    bx      r0

;080BDD66: 0000    lsl     r0, r0, #0x0
;080BDD68: 2700    mov     r7, #0x00
;080BDD6A: 0203    lsl     r3, r0, #0x8
;080BDD6C: 00D4    lsl     r4, r2, #0x3
;080BDD6E: 0400    lsl     r0, r0, #0x10

$080BDD70 - (Clear Registers)

This subroutine is called from $080976DC, $080BDDFC and $0809D0C0.

When called from $080976DC, r0 is = #$0202DF00.

This subroutine

  • clears $0202DF58/9 (Orig. r0 + #$58)
  • clears Bit 0 of $0202DF69 (Orig. r0 + #$69)
  • clears $0202DF60/1 (Orig. r0 + #$60)
  • clears $0202DF62/3 (Orig. r0 + #$62)
  • clears $0202DF5A/B (Orig. r0 + #$5A)
  • clears $0202DF5C/D (Orig. r0 + #$5C)
  • clears $0202DF5E/F (Orig. r0 + #$5E)
  • clears $0202DF64/5 (Orig. r0 + #$64)
  • clears $0202DF66/7 (Orig. r0 + #$66)
  • clears $0202DF6C-F (Orig. r0 + #$6C)
  • CpuSet-clears $0202DF00-7 (Orig r0)
  • CpuSet-clears $0202DF08-17 (Orig r0 + #$08)
  • CpuSet-clears $0202DF18-57 (Orig r0 + #$18)
  • Calls a subroutine


080BDD70: B530    push    {r4, r5, lr}
080BDD72: B082    add     sp, #-0x008				; Add two entries on Stack

080BDD74: 1C05    add     r5, r0, #0x0				; r5 = Orig. r0
080BDD76: 1C29    add     r1, r5, #0x0
080BDD78: 3158    add     r1, #0x58				; r1 = Orig. r0 + #$58
080BDD7A: 2400    mov     r4, #0x00
080BDD7C: 2001    mov     r0, #0x01
080BDD7E: 8008    strh    r0, [r1]				; Clear Orig. r0 + #$58
080BDD80: 1C2A    add     r2, r5, #0x0
080BDD82: 3269    add     r2, #0x69
080BDD84: 7811    ldrb    r1, [r2]				; Load Orig. r0 + #$69
080BDD86: 3803    sub     r0, #0x03				; #$FFFFFFFE
080BDD88: 4008    and     r0, r1				; Clear Bit 0
080BDD8A: 7010    strb    r0, [r2]				; Store back
080BDD8C: 1C28    add     r0, r5, #0x0
080BDD8E: 3060    add     r0, #0x60
080BDD90: 8801    ldrh    r1, [r0]				; Load Orig. r0 + #$60 (whyever)
080BDD92: 8004    strh    r4, [r0]				; Clear Orig. r0 + #$60
080BDD94: 1C29    add     r1, r5, #0x0
080BDD96: 3162    add     r1, #0x62
080BDD98: 8808    ldrh    r0, [r1]
080BDD9A: 800C    strh    r4, [r1]				; Clear Orig. r0 + #$62
080BDD9C: 1C28    add     r0, r5, #0x0
080BDD9E: 305A    add     r0, #0x5A
080BDDA0: 8004    strh    r4, [r0]				; Clear Orig. r0 + #$5A
080BDDA2: 3002    add     r0, #0x02
080BDDA4: 8004    strh    r4, [r0]				; Clear Orig. r0 + #$5C
080BDDA6: 3002    add     r0, #0x02
080BDDA8: 8004    strh    r4, [r0]				; Clear Orig. r0 + #$5E
080BDDAA: 3006    add     r0, #0x06
080BDDAC: 8801    ldrh    r1, [r0]
080BDDAE: 8004    strh    r4, [r0]				; Clear Orig. r0 + #$64
080BDDB0: 1C29    add     r1, r5, #0x0
080BDDB2: 3166    add     r1, #0x66
080BDDB4: 8808    ldrh    r0, [r1]
080BDDB6: 800C    strh    r4, [r1]				; Clear Orig. r0 + #$66
080BDDB8: 66EC    str     r4, [r5, #0x6C]			; Clear Orig. r0 + #$6C
080BDDBA: 4668    mov     r0, sp
080BDDBC: 8004    strh    r4, [r0]				; Clear Stack Entry (use for Clear CPUSet)
080BDDBE: 4A0C    ldr     r2, =#0x01000004			; Clear 4 Double Bytes, fixed transfer
080BDDC0: 1C29    add     r1, r5, #0x0				; Start at Orig. r0
080BDDC2: F001    bl       
080BDDC4: FDEF    bl      0x080BF9A4				; Swi CpuSet
080BDDC6: 4668    mov     r0, sp
080BDDC8: 3002    add     r0, #0x02
080BDDCA: 8004    strh    r4, [r0]				; Clear next stack entry
080BDDCC: 1C29    add     r1, r5, #0x0
080BDDCE: 3108    add     r1, #0x08				; Start at Orig. r0 + #$08
080BDDD0: 4A08    ldr     r2, =#0x01000008			; Clear 8 Double Bytes, fixed
080BDDD2: F001    bl       
080BDDD4: FDE7    bl      0x080BF9A4				; Swi CpuSet
080BDDD6: A801    add     r0, sp, #0x004
080BDDD8: 8004    strh    r4, [r0]				; Clear next stack entry
080BDDDA: 1C29    add     r1, r5, #0x0
080BDDDC: 3118    add     r1, #0x18				; Start at Orig. r0 + #$18
080BDDDE: 4A06    ldr     r2, =#0x01000020			; Clear #$20 Double Bytes, fixed
080BDDE0: F001    bl       
080BDDE2: FDE0    bl      0x080BF9A4				; Swi CpuSet

080BDDE4: F001    bl       
080BDDE6: FB8C    bl      0x080BF500				; ?

080BDDE8: B002    add     sp, #0x008				; Remove added Stack entries
080BDDEA: BC30    pop     {r4, r5}
080BDDEC: BC01    pop     {r0}
080BDDEE: 4700    bx      r0

;080BDDF0: 0004    lsl     r4, r0, #0x0
;080BDDF2: 0100    lsl     r0, r0, #0x4
;080BDDF4: 0008    lsl     r0, r1, #0x0
;080BDDF6: 0100    lsl     r0, r0, #0x4
;080BDDF8: 0020    lsl     r0, r4, #0x0
;080BDDFA: 0100    lsl     r0, r0, #0x4

$080BDF70 - ?

This has some similarities to $08098484.

  • This disables interrupts
  • transfers the Data at $020000D0 to $0203BB68
  • then replaces the Data at $020000D0 with Data from the address that is in r0
  • starts a DMA that transfers #$800 byte from memory to WRAM
  • Stores the Address where the data is sent to in $03007FFC
  • Re-enables Interrupts
080BDF70: B570    push    {r4, r5, r6, lr}

080BDF72: 1C05    add     r5, r0, #0x0				; r5 = Orig. r0
080BDF74: 4E0E    ldr     r6, =#0x04000208
080BDF76: 2000    mov     r0, #0x00
080BDF78: 8030    strh    r0, [r6]				; Disable all Interrupts
080BDF7A: 480E    ldr     r0, =#0x0203BB68			; Store Address
080BDF7C: 4C0E    ldr     r4, =#0x020000D0
080BDF7E: 1C21    add     r1, r4, #0x0				; Load Address
080BDF80: 2238    mov     r2, #0x38				; Bytes to transfer
080BDF82: F004    bl       
080BDF84: F82F    bl      0x080C1FE4				; Data Transfer
080BDF86: 1C20    add     r0, r4, #0x0				; Store Address
080BDF88: 1C29    add     r1, r5, #0x0				; Load Address (Orig. r0)
080BDF8A: 2238    mov     r2, #0x38				; Bytes to transfer
080BDF8C: F004    bl       
080BDF8E: F82A    bl      0x080C1FE4				; Data Transfer
080BDF90: 490A    ldr     r1, =#0x040000D4
080BDF92: 480B    ldr     r0, =#0x080BE22C
080BDF94: 6008    str     r0, [r1]				; DMA Source
080BDF96: 4A0B    ldr     r2, =#0x03000280
080BDF98: 604A    str     r2, [r1, #0x04]			; DMA Destination
080BDF9A: 480B    ldr     r0, =#0x80000400
080BDF9C: 6088    str     r0, [r1, #0x08]			; Start DMA
080BDF9E: 6888    ldr     r0, [r1, #0x08]
080BDFA0: 480A    ldr     r0, =#0x03007FFC
080BDFA2: 6002    str     r2, [r0]				; Store #$03000280 in $03007FFC
080BDFA4: 2001    mov     r0, #0x01
080BDFA6: 8030    strh    r0, [r6]				; Re-enable Interrupts

080BDFA8: BC70    pop     {r4, r5, r6}
080BDFAA: BC01    pop     {r0}
080BDFAC: 4700    bx      r0

;080BDFAE: 0000    lsl     r0, r0, #0x0
;080BDFB0: 0208    lsl     r0, r1, #0x8
;080BDFB2: 0400    lsl     r0, r0, #0x10
;080BDFB4: BB68    pop     {r3, r5, r6, pc}
;080BDFB6: 0203    lsl     r3, r0, #0x8
;080BDFB8: 00D0    lsl     r0, r2, #0x3
;080BDFBA: 0200    lsl     r0, r0, #0x8
;080BDFBC: 00D4    lsl     r4, r2, #0x3
;080BDFBE: 0400    lsl     r0, r0, #0x10
;080BDFC0: E22C    b       0x080BE41C
;080BDFC2: 080B    lsr     r3, r1, #0x0
;080BDFC4: 0280    lsl     r0, r0, #0xA
;080BDFC6: 0300    lsl     r0, r0, #0xC
;080BDFC8: 0400    lsl     r0, r0, #0x10
;080BDFCA: 8000    strh    r0, [r0]
;080BDFCC: 7FFC    ldrb    r4, [r7, #0x1F]
;080BDFCE: 0300    lsl     r0, r0, #0xC

$080BDFD0 - ?

080BDFD0: B510    push    {r4, lr}

080BDFD2: 4C0B    ldr     r4, =#0x04000208
080BDFD4: 2000    mov     r0, #0x00
080BDFD6: 8020    strh    r0, [r4]				; Disable all Interrupts
080BDFD8: 480A    ldr     r0, =#0x020000D0			; Store Address
080BDFDA: 490B    ldr     r1, =#0x0203BB68			; Load Address
080BDFDC: 2238    mov     r2, #0x38				; Number of Bytes to Transfer
080BDFDE: F004    bl       
080BDFE0: F801    bl      0x080C1FE4				; Data Transfer
080BDFE2: 490A    ldr     r1, =#0x040000D4
080BDFE4: 480A    ldr     r0, =#0x080000FC
080BDFE6: 6008    str     r0, [r1]				; DMA Source
080BDFE8: 4A0A    ldr     r2, =#0x03000280
080BDFEA: 604A    str     r2, [r1, #0x04]			; DMA Destination
080BDFEC: 480A    ldr     r0, =#0x80000400
080BDFEE: 6088    str     r0, [r1, #0x08]			; Transfer #$400 Double Bytes
080BDFF0: 6888    ldr     r0, [r1, #0x08]
080BDFF2: 480A    ldr     r0, =#0x03007FFC
080BDFF4: 6002    str     r2, [r0]				; Store DMA Source Address in $03007FFC
080BDFF6: 2001    mov     r0, #0x01
080BDFF8: 8020    strh    r0, [r4]				; Re-enable all Interrupts

080BDFFA: BC10    pop     {r4}
080BDFFC: BC01    pop     {r0}
080BDFFE: 4700    bx      r0

;080BE000: 0208    lsl     r0, r1, #0x8
;080BE002: 0400    lsl     r0, r0, #0x10
;080BE004: 00D0    lsl     r0, r2, #0x3
;080BE006: 0200    lsl     r0, r0, #0x8
;080BE008: BB68    pop     {r3, r5, r6, pc}
;080BE00A: 0203    lsl     r3, r0, #0x8
;080BE00C: 00D4    lsl     r4, r2, #0x3
;080BE00E: 0400    lsl     r0, r0, #0x10
;080BE010: 00FC    lsl     r4, r7, #0x3
;080BE012: 0800    lsr     r0, r0, #0x0
;080BE014: 0280    lsl     r0, r0, #0xA
;080BE016: 0300    lsl     r0, r0, #0xC
;080BE018: 0400    lsl     r0, r0, #0x10
;080BE01A: 8000    strh    r0, [r0]
;080BE01C: 7FFC    ldrb    r4, [r7, #0x1F]
;080BE01E: 0300    lsl     r0, r0, #0xC

$080BE020 - ?

080BE020: 2900    cmp     r1, #0x00
080BE022: D000    beq     0x080BE026
080BE024: 66C1    str     r1, [r0, #0x6C]
080BE026: 4770    bx      lr

$080BE028 - ?

(Never executed in Intro(?))

080BE028: B500    push    {lr}
080BE02A: B081    add     sp, #-0x004
080BE02C: 0409    lsl     r1, r1, #0x10
080BE02E: 0C0B    lsr     r3, r1, #0x10
080BE030: 6EC2    ldr     r2, [r0, #0x6C]
080BE032: 2A00    cmp     r2, #0x00
080BE034: D007    beq     0x080BE046
080BE036: 4905    ldr     r1, =#0xFFFF0000
080BE038: 9800    ldr     r0, [sp]
080BE03A: 4008    and     r0, r1
080BE03C: 4318    orr     r0, r3
080BE03E: 9000    str     r0, [sp]
080BE040: 4668    mov     r0, sp
080BE042: F002    bl       
080BE044: FA93    bl      0x080C056C
080BE046: B001    add     sp, #0x004
080BE048: BC01    pop     {r0}
080BE04A: 4700    bx      r0
080BE04C: 0000    lsl     r0, r0, #0x0
080BE04E: FFFF    bl      0x080BF04E

$080BE050 - ?

r0 contains an address (often/always $0202DF00)

This ends with r0 containing a flag (bit 0).

If $0202DF68/9 is #$0001, exit with r0 = #$00

080BE050: B510    push    {r4, lr}
080BE052: 1C04    add     r4, r0, #0x0			; r4 = Orig. r0
080BE054: 1C21    add     r1, r4, #0x0			; r1 = Orig. r0
080BE056: 3162    add     r1, #0x62
080BE058: 8808    ldrh    r0, [r1]
080BE05A: 2000    mov     r0, #0x00
080BE05C: 8008    strh    r0, [r1]			; $0202DF62/3 (Orig. r0 + #$62) = #$0000
080BE05E: 1C20    add     r0, r4, #0x0
080BE060: 3058    add     r0, #0x58
080BE062: 8800    ldrh    r0, [r0]			; Loads $0202DF58/9 (Orig. r0 + #$58)
080BE064: 2801    cmp     r0, #0x01
080BE066: D017    beq     0x080BE098			; Exit with r0 = #$00
080BE068: 1C20    add     r0, r4, #0x0
080BE06A: 3069    add     r0, #0x69
080BE06C: 7801    ldrb    r1, [r0]			; Loads $0202DF69 (Orig. r0 + #$69)
080BE06E: 2001    mov     r0, #0x01
080BE070: 4008    and     r0, r1
080BE072: 2800    cmp     r0, #0x00
080BE074: D009    beq     0x080BE08A

080BE076: 7860    ldrb    r0, [r4, #0x01]
080BE078: 06C0    lsl     r0, r0, #0x1B
080BE07A: 2800    cmp     r0, #0x00
080BE07C: DB05    blt     0x080BE08A
080BE07E: F001    bl       
080BE080: FCAB    bl      0x080BF9D8
080BE082: 1C20    add     r0, r4, #0x0
080BE084: F000    bl       
080BE086: F884    bl      0x080BE190
080BE088: E001    b       0x080BE08E
080BE08A: F001    bl       
080BE08C: FCA5    bl      0x080BF9D8			; swi VBlankIntrWait
080BE08E: 1C20    add     r0, r4, #0x0			; r4 = Orig. r0
080BE090: F000    bl       
080BE092: F806    bl      0x080BE0A0

080BE094: 2001    mov     r0, #0x01
080BE096: E000    b       0x080BE09A

080BE098: 2000    mov     r0, #0x00
080BE09A: BC10    pop     {r4}
080BE09C: BC02    pop     {r1}
080BE09E: 4708    bx      r1

$080BE0A0 - ?

080BE0A0: B570    push    {r4, r5, r6, lr}
080BE0A2: 1C04    add     r4, r0, #0x0
080BE0A4: 3018    add     r0, #0x18
080BE0A6: 1C21    add     r1, r4, #0x0
080BE0A8: F001    bl       
080BE0AA: FA7E    bl      0x080BF5A8
080BE0AC: F001    bl       
080BE0AE: FA20    bl      0x080BF4F0
080BE0B0: 1C23    add     r3, r4, #0x0
080BE0B2: 3369    add     r3, #0x69
080BE0B4: 781A    ldrb    r2, [r3]
080BE0B6: 2101    mov     r1, #0x01
080BE0B8: 4011    and     r1, r2
080BE0BA: 2900    cmp     r1, #0x00
080BE0BC: D120    bne     0x080BE100
080BE0BE: 7860    ldrb    r0, [r4, #0x01]
080BE0C0: 0700    lsl     r0, r0, #0x1C
080BE0C2: 0F00    lsr     r0, r0, #0x1C
080BE0C4: 2803    cmp     r0, #0x03
080BE0C6: D10A    bne     0x080BE0DE
080BE0C8: 2001    mov     r0, #0x01
080BE0CA: 4310    orr     r0, r2
080BE0CC: 7018    strb    r0, [r3]
080BE0CE: 1C20    add     r0, r4, #0x0
080BE0D0: 305A    add     r0, #0x5A
080BE0D2: 8001    strh    r1, [r0]
080BE0D4: 1C20    add     r0, r4, #0x0
080BE0D6: 2101    mov     r1, #0x01
080BE0D8: F7FF    bl       
080BE0DA: FFA6    bl      0x080BE028
080BE0DC: E04F    b       0x080BE17E
080BE0DE: 1C21    add     r1, r4, #0x0
080BE0E0: 315A    add     r1, #0x5A
080BE0E2: 8808    ldrh    r0, [r1]
080BE0E4: 3001    add     r0, #0x01
080BE0E6: 8008    strh    r0, [r1]
080BE0E8: 0400    lsl     r0, r0, #0x10
080BE0EA: 4904    ldr     r1, =#0x02570000
080BE0EC: 4288    cmp     r0, r1
080BE0EE: D946    bls     0x080BE17E
080BE0F0: 1C20    add     r0, r4, #0x0
080BE0F2: 2100    mov     r1, #0x00
080BE0F4: F7FF    bl       
080BE0F6: FF98    bl      0x080BE028
080BE0F8: E041    b       0x080BE17E
080BE0FA: 0000    lsl     r0, r0, #0x0
080BE0FC: 0000    lsl     r0, r0, #0x0
080BE0FE: 0257    lsl     r7, r2, #0x9
080BE100: 7862    ldrb    r2, [r4, #0x01]
080BE102: 0650    lsl     r0, r2, #0x19
080BE104: 0F80    lsr     r0, r0, #0x1E
080BE106: 1C21    add     r1, r4, #0x0
080BE108: 3168    add     r1, #0x68
080BE10A: 7809    ldrb    r1, [r1]
080BE10C: 4288    cmp     r0, r1
080BE10E: DA02    bge     0x080BE116
080BE110: 09D0    lsr     r0, r2, #0x7
080BE112: 2800    cmp     r0, #0x00
080BE114: D003    beq     0x080BE11E
080BE116: 1C20    add     r0, r4, #0x0
080BE118: 2102    mov     r1, #0x02
080BE11A: F7FF    bl       
080BE11C: FF85    bl      0x080BE028
080BE11E: 2100    mov     r1, #0x00
080BE120: 7860    ldrb    r0, [r4, #0x01]
080BE122: 06C0    lsl     r0, r0, #0x1B
080BE124: 2800    cmp     r0, #0x00
080BE126: DA00    bge     0x080BE12A
080BE128: 2101    mov     r1, #0x01
080BE12A: 7820    ldrb    r0, [r4]
080BE12C: 0700    lsl     r0, r0, #0x1C
080BE12E: 0F00    lsr     r0, r0, #0x1C
080BE130: 4108    asr     r0, r1
080BE132: 2601    mov     r6, #0x01
080BE134: 4030    and     r0, r6
080BE136: 2800    cmp     r0, #0x00
080BE138: D004    beq     0x080BE144
080BE13A: 1C21    add     r1, r4, #0x0
080BE13C: 315C    add     r1, #0x5C
080BE13E: 2000    mov     r0, #0x00
080BE140: 8008    strh    r0, [r1]
080BE142: E01C    b       0x080BE17E
080BE144: 1C25    add     r5, r4, #0x0
080BE146: 355C    add     r5, #0x5C
080BE148: 8828    ldrh    r0, [r5]
080BE14A: 3001    add     r0, #0x01
080BE14C: 8028    strh    r0, [r5]
080BE14E: 0400    lsl     r0, r0, #0x10
080BE150: 0C00    lsr     r0, r0, #0x10
080BE152: 2877    cmp     r0, #0x77
080BE154: D903    bls     0x080BE15E
080BE156: 1C20    add     r0, r4, #0x0
080BE158: 2102    mov     r1, #0x02
080BE15A: F7FF    bl       
080BE15C: FF65    bl      0x080BE028
080BE15E: 8828    ldrh    r0, [r5]
080BE160: 213C    mov     r1, #0x3C
080BE162: F002    bl       
080BE164: FB0D    bl      0x080C0780
080BE166: 0400    lsl     r0, r0, #0x10
080BE168: 2800    cmp     r0, #0x00
080BE16A: D108    bne     0x080BE17E
080BE16C: 1C21    add     r1, r4, #0x0
080BE16E: 3162    add     r1, #0x62
080BE170: 8808    ldrh    r0, [r1]
080BE172: 2800    cmp     r0, #0x00
080BE174: D103    bne     0x080BE17E
080BE176: 8808    ldrh    r0, [r1]
080BE178: 800E    strh    r6, [r1]
080BE17A: F001    bl       
080BE17C: F9E7    bl      0x080BF54C
080BE17E: 1C20    add     r0, r4, #0x0
080BE180: 3008    add     r0, #0x08
080BE182: F001    bl       
080BE184: FABB    bl      0x080BF6FC
080BE186: BC70    pop     {r4, r5, r6}
080BE188: BC01    pop     {r0}
080BE18A: 4700    bx      r0
080BE18C: 4770    bx      lr
080BE18E: 0000    lsl     r0, r0, #0x0

$080BE1F0 - (Check Registers and maybe jump to a subroutine)

This gets called at least from $08098530. From there, r0 = $0202DF00. This checks two registers and either executes a subroutine or not. When the intro loops, thsi subroutine gets never executed.

080BE1F0: B500    push    {lr}
080BE1F2: 1C01    add     r1, r0, #0x0
080BE1F4: 3058    add     r0, #0x58
080BE1F6: 8800    ldrh    r0, [r0]			; (r0 = $0202DF58)
080BE1F8: 2801    cmp     r0, #0x01
080BE1FA: D005    beq     0x080BE208			; Exit if r0 = #$01
080BE1FC: 7848    ldrb    r0, [r1, #0x01]		; (r0 = $0202DF01)
080BE1FE: 06C0    lsl     r0, r0, #0x1B			; Only bits 0 to 4 remain
080BE200: 2800    cmp     r0, #0x00
080BE202: DA01    bge     0x080BE208			; Exit if bit 4 is clear
080BE204: F001    bl       
080BE206: FB14    bl      0x080BF830			; ?
080BE208: BC01    pop     {r0}
080BE20A: 4700    bx      r0

$080BE330 - Load LZ77 Compressed Data Table Entry

r1 contains the number of the Table entry. This gets multiplied by 4 (each entry is 4 bytes in size - 32 bit addresses) and added to the address in r0 (which is the Table offset). The entry that is four byte further is loaded (See line 080B3336, "r1, #0x04"), which is added to the Table Offset. The result is the address of the LZ77 compressed data, which is stored in r0.

080BE330: 0409    lsl     r1, r1, #0x10
080BE332: 0B89    lsr     r1, r1, #0xE			; Remove upper doublebyte, multiply by 4
080BE334: 1809    add     r1, r1, r0
080BE336: 6849    ldr     r1, [r1, #0x04]
080BE338: 1840    add     r0, r0, r1
080BE33A: 4770    bx      lr

$080BE33C - ("Difference Table value load")

r0 contains an address (a Table Start Point).

r1 contains a Table Entry number.

080BE33C: 0409    lsl     r1, r1, #0x10
080BE33E: 0B89    lsr     r1, r1, #0xE			; Multiply Table Entry number by 4 (each Entry is 4 bytes in size)
080BE340: 1809    add     r1, r1, r0			; Add Entry Offset to Table Offset (= Entry address)
080BE342: 6888    ldr     r0, [r1, #0x08]
080BE344: 6849    ldr     r1, [r1, #0x04]
080BE346: 1A40    sub     r0, r0, r1			; r0 contains the difference between the entry and the next higher one
080BE348: 4770    bx      lr

$080BE5E0 - ?

Brought in variables
r0 =
r1 =
r2 =
r3 =
080BE5E0: B5F0    push    {r4, r5, r6, r7, lr}
080BE5E2: 4657    mov     r7, r10
080BE5E4: 464E    mov     r6, r9
080BE5E6: 4645    mov     r5, r8
080BE5E8: B4E0    push    {r5, r6, r7}
080BE5EA: B083    add     sp, #-0x00C

080BE5EC: 1C15    add     r5, r2, #0x0
080BE5EE: 1C1E    add     r6, r3, #0x0
080BE5F0: 0400    lsl     r0, r0, #0x10
080BE5F2: 0C03    lsr     r3, r0, #0x10
080BE5F4: 0409    lsl     r1, r1, #0x10
080BE5F6: 0C0C    lsr     r4, r1, #0x10
080BE5F8: 042D    lsl     r5, r5, #0x10
080BE5FA: 0C2D    lsr     r5, r5, #0x10
080BE5FC: 0436    lsl     r6, r6, #0x10
080BE5FE: 0C36    lsr     r6, r6, #0x10
080BE600: 9602    str     r6, [sp, #0x008]
080BE602: 221F    mov     r2, #0x1F		; r2 = $0000001F
080BE604: 4692    mov     r10, r2			; r10 = $0000001F
080BE606: 4656    mov     r6, r10			; r3 = $0000001F
080BE608: 4033    and     r3, r6			; r3 = r3 AND $0000001F
080BE60A: 4A2B    ldr     r2, =#0xFFFFFF00	; r2 = $FFFFFF00
080BE60C: 4691    mov     r9, r2			; r9 = $FFFFFF00
080BE60E: 9A00    ldr     r2, [sp]
080BE610: 464E    mov     r6, r9			; r6 = $FFFFFF00
080BE612: 4032    and     r2, r6			; r2 = r2 AND $FFFFFF00
080BE614: 431A    orr     r2, r3			; Adds both ANDed values; no bits overlap
080BE616: 9200    str     r2, [sp]			; Store new value back
080BE618: 0D42    lsr     r2, r0, #0x15
080BE61A: 231F    mov     r3, #0x1F
080BE61C: 401A    and     r2, r3
080BE61E: 46E8    mov     r8, sp
080BE620: 4646    mov     r6, r8
080BE622: 7072    strb    r2, [r6, #0x01]
080BE624: 0E80    lsr     r0, r0, #0x1A
080BE626: 4018    and     r0, r3
080BE628: 70B0    strb    r0, [r6, #0x02]
080BE62A: 4650    mov     r0, r10
080BE62C: 4004    and     r4, r0
080BE62E: 9801    ldr     r0, [sp, #0x004]
080BE630: 464A    mov     r2, r9
080BE632: 4010    and     r0, r2
080BE634: 4320    orr     r0, r4
080BE636: 9001    str     r0, [sp, #0x004]
080BE638: 0D48    lsr     r0, r1, #0x15
080BE63A: 4018    and     r0, r3
080BE63C: AC01    add     r4, sp, #0x004
080BE63E: 7060    strb    r0, [r4, #0x01]
080BE640: 0E89    lsr     r1, r1, #0x1A
080BE642: 4019    and     r1, r3
080BE644: 70A1    strb    r1, [r4, #0x02]
080BE646: 4668    mov     r0, sp
080BE648: 7800    ldrb    r0, [r0]
080BE64A: 7821    ldrb    r1, [r4]
080BE64C: 1C2A    add     r2, r5, #0x0
080BE64E: 9B02    ldr     r3, [sp, #0x008]
080BE650: F000    bl       
080BE652: F838    bl      0x080BE6C4
080BE654: 0600    lsl     r0, r0, #0x18
080BE656: 0E00    lsr     r0, r0, #0x18
080BE658: 464E    mov     r6, r9
080BE65A: 4037    and     r7, r6
080BE65C: 4307    orr     r7, r0
080BE65E: 4641    mov     r1, r8
080BE660: 7848    ldrb    r0, [r1, #0x01]
080BE662: 7861    ldrb    r1, [r4, #0x01]
080BE664: 1C2A    add     r2, r5, #0x0
080BE666: 9B02    ldr     r3, [sp, #0x008]
080BE668: F000    bl       
080BE66A: F82C    bl      0x080BE6C4
080BE66C: 0600    lsl     r0, r0, #0x18
080BE66E: 0C00    lsr     r0, r0, #0x10
080BE670: 4912    ldr     r1, =#0xFFFF00FF
080BE672: 400F    and     r7, r1
080BE674: 4307    orr     r7, r0
080BE676: 4642    mov     r2, r8
080BE678: 7890    ldrb    r0, [r2, #0x02]
080BE67A: 78A1    ldrb    r1, [r4, #0x02]
080BE67C: 1C2A    add     r2, r5, #0x0
080BE67E: 9B02    ldr     r3, [sp, #0x008]
080BE680: F000    bl       
080BE682: F820    bl      0x080BE6C4
080BE684: 0600    lsl     r0, r0, #0x18
080BE686: 0A00    lsr     r0, r0, #0x8
080BE688: 490D    ldr     r1, =#0xFF00FFFF
080BE68A: 400F    and     r7, r1
080BE68C: 4307    orr     r7, r0
080BE68E: 0638    lsl     r0, r7, #0x18
080BE690: 0E00    lsr     r0, r0, #0x18
080BE692: 0A39    lsr     r1, r7, #0x8
080BE694: 0609    lsl     r1, r1, #0x18
080BE696: 0CC9    lsr     r1, r1, #0x13
080BE698: 4308    orr     r0, r1
080BE69A: 0C39    lsr     r1, r7, #0x10
080BE69C: 0609    lsl     r1, r1, #0x18
080BE69E: 0B89    lsr     r1, r1, #0xE
080BE6A0: 4308    orr     r0, r1
080BE6A2: 0400    lsl     r0, r0, #0x10
080BE6A4: 0C00    lsr     r0, r0, #0x10
080BE6A6: B003    add     sp, #0x00C
080BE6A8: BC38    pop     {r3, r4, r5}
080BE6AA: 4698    mov     r8, r3
080BE6AC: 46A1    mov     r9, r4
080BE6AE: 46AA    mov     r10, r5
080BE6B0: BCF0    pop     {r4, r5, r6, r7}
080BE6B2: BC02    pop     {r1}
080BE6B4: 4708    bx      r1
;080BE6B6: 0000    lsl     r0, r0, #0x0
;080BE6B8: FF00    bl      0x080BF4BA
;080BE6BA: FFFF    bl      0x07FBF6BA
;080BE6BC: 00FF    lsl     r7, r7, #0x3
;080BE6BE: FFFF    bl      0x081BE6BE
;080BE6C0: FFFF    bl      0x080BE6C0
;080BE6C2: FF00    bl      0x080BE4C4

$080BE6C4 - ?

080BE6C4: B510    push    {r4, lr}
080BE6C6: 0412    lsl     r2, r2, #0x10
080BE6C8: 0C12    lsr     r2, r2, #0x10
080BE6CA: 041B    lsl     r3, r3, #0x10
080BE6CC: 0C1B    lsr     r3, r3, #0x10
080BE6CE: 1A9C    sub     r4, r3, r2
080BE6D0: 4360    mul     r0, r4
080BE6D2: 4351    mul     r1, r2
080BE6D4: 1840    add     r0, r0, r1
080BE6D6: 1C19    add     r1, r3, #0x0
080BE6D8: F002    bl       
080BE6DA: F816    bl      0x080C0708
080BE6DC: BC10    pop     {r4}
080BE6DE: BC02    pop     {r1}
080BE6E0: 4708    bx      r1
;080BE6E2: 0000    lsl     r0, r0, #0x0

$080BE6E4 - Black Screen

This removes the settings in $04000000 and sets the first color in Palette RAM to #$0000.

080BE6E4: 2080    mov     r0, #0x80
080BE6E6: 04C0    lsl     r0, r0, #0x13
080BE6E8: 2100    mov     r1, #0x00
080BE6EA: 8001    strh    r1, [r0]				; Set $04000000 to #$0000 (Video Mode 0, no Screen Display)
080BE6EC: 20A0    mov     r0, #0xA0
080BE6EE: 04C0    lsl     r0, r0, #0x13
080BE6F0: 8001    strh    r1, [r0]				; Set $05000000 to #$0000 (Set Color 0 to pitchblack)
080BE6F2: 4770    bx      lr

$080BE72C - (Clear twelve Bytes and three Bits?)

r0 contains an address. This subroutine removes Bits 0 to 2 from the thirteenth Byte from r0 and clears the twelve bytes in between.

080BE72C: 7B02    ldrb    r2, [r0, #0x0C]			; r2 = [r0 + #$0C]
080BE72E: 2102    mov     r1, #0x02
080BE730: 4249    neg     r1, r1
080BE732: 4011    and     r1, r2				; Remove Bit 0
080BE734: 2203    mov     r2, #0x03
080BE736: 4252    neg     r2, r2
080BE738: 4011    and     r1, r2				; Remove Bit 1
080BE73A: 3A02    sub     r2, #0x02
080BE73C: 4011    and     r1, r2				; Remove Bit 2
080BE73E: 7301    strb    r1, [r0, #0x0C]			; Store Byte back
080BE740: 2100    mov     r1, #0x00
080BE742: 8001    strh    r1, [r0]				; Clear the twelve bytes before
080BE744: 8041    strh    r1, [r0, #0x02]
080BE746: 8081    strh    r1, [r0, #0x04]
080BE748: 80C1    strh    r1, [r0, #0x06]
080BE74A: 8101    strh    r1, [r0, #0x08]
080BE74C: 8141    strh    r1, [r0, #0x0A]
080BE74E: 4770    bx      lr

$080BE750 - Load Key Input

080BE750: B530    push    {r4, r5, lr}
080BE752: 1C03    add     r3, r0, #0x0
080BE754: 4808    ldr     r0, =#0x04000130
080BE756: 8800    ldrh    r0, [r0]			; Load Key Input
080BE758: 43C0    mvn     r0, r0			; r0 = NOT r0
080BE75A: 0580    lsl     r0, r0, #0x16
080BE75C: 0D84    lsr     r4, r0, #0x16			; Remove Upper ten Bits and store in r4
080BE75E: 7B19    ldrb    r1, [r3, #0x0C]
080BE760: 2002    mov     r0, #0x02
080BE762: 4301    orr     r1, r0
080BE764: 7319    strb    r1, [r3, #0x0C]
080BE766: 2C00    cmp     r4, #0x00
080BE768: D108    bne     0x080BE77C			; Branch if any Button is Pressed
080BE76A: 809C    strh    r4, [r3, #0x04]
080BE76C: 2003    mov     r0, #0x03
080BE76E: 4240    neg     r0, r0
080BE770: 4001    and     r1, r0
080BE772: 7319    strb    r1, [r3, #0x0C]
080BE774: 815C    strh    r4, [r3, #0x0A]
080BE776: E01C    b       0x080BE7B2

;080BE778: 0130    lsl     r0, r6, #0x4
;080BE77A: 0400    lsl     r0, r0, #0x10

080BE77C: 2004    mov     r0, #0x04
080BE77E: 4008    and     r0, r1
080BE780: 2800    cmp     r0, #0x00
080BE782: D003    beq     0x080BE78C
080BE784: 2005    mov     r0, #0x05
080BE786: 4240    neg     r0, r0
080BE788: 4001    and     r1, r0
080BE78A: 7319    strb    r1, [r3, #0x0C]
080BE78C: 8898    ldrh    r0, [r3, #0x04]
080BE78E: 2800    cmp     r0, #0x00
080BE790: D102    bne     0x080BE798
080BE792: 200A    mov     r0, #0x0A
080BE794: 8098    strh    r0, [r3, #0x04]
080BE796: E00C    b       0x080BE7B2

080BE798: 3801    sub     r0, #0x01
080BE79A: 8098    strh    r0, [r3, #0x04]
080BE79C: 0400    lsl     r0, r0, #0x10
080BE79E: 2800    cmp     r0, #0x00
080BE7A0: D102    bne     0x080BE7A8
080BE7A2: 2006    mov     r0, #0x06
080BE7A4: 8098    strh    r0, [r3, #0x04]
080BE7A6: E004    b       0x080BE7B2

080BE7A8: 7B19    ldrb    r1, [r3, #0x0C]
080BE7AA: 2003    mov     r0, #0x03
080BE7AC: 4240    neg     r0, r0
080BE7AE: 4008    and     r0, r1
080BE7B0: 7318    strb    r0, [r3, #0x0C]

080BE7B2: 7B19    ldrb    r1, [r3, #0x0C]
080BE7B4: 2002    mov     r0, #0x02
080BE7B6: 4008    and     r0, r1
080BE7B8: 1C0D    add     r5, r1, #0x0
080BE7BA: 8859    ldrh    r1, [r3, #0x02]
080BE7BC: 2800    cmp     r0, #0x00
080BE7BE: D008    beq     0x080BE7D2
080BE7C0: 8918    ldrh    r0, [r3, #0x08]
080BE7C2: 4281    cmp     r1, r0
080BE7C4: D102    bne     0x080BE7CC
080BE7C6: 8958    ldrh    r0, [r3, #0x0A]
080BE7C8: 3001    add     r0, #0x01
080BE7CA: E000    b       0x080BE7CE
080BE7CC: 2000    mov     r0, #0x00
080BE7CE: 8158    strh    r0, [r3, #0x0A]
080BE7D0: 8119    strh    r1, [r3, #0x08]
080BE7D2: 1C22    add     r2, r4, #0x0
080BE7D4: 438A    bic     r2, r1
080BE7D6: 801A    strh    r2, [r3]
080BE7D8: 805C    strh    r4, [r3, #0x02]
080BE7DA: 2002    mov     r0, #0x02
080BE7DC: 4028    and     r0, r5
080BE7DE: 2800    cmp     r0, #0x00
080BE7E0: D005    beq     0x080BE7EE
080BE7E2: 88D8    ldrh    r0, [r3, #0x06]
080BE7E4: 4302    orr     r2, r0
080BE7E6: 801A    strh    r2, [r3]
080BE7E8: 2000    mov     r0, #0x00
080BE7EA: 80D8    strh    r0, [r3, #0x06]
080BE7EC: E002    b       0x080BE7F4			; Exit

080BE7EE: 88D8    ldrh    r0, [r3, #0x06]
080BE7F0: 4302    orr     r2, r0
080BE7F2: 80DA    strh    r2, [r3, #0x06]

080BE7F4: BC30    pop     {r4, r5}
080BE7F6: BC01    pop     {r0}
080BE7F8: 4700    bx      r0

;080BE7FA: 0000    lsl     r0, r0, #0x0

$080BE7FC - (Clear and set some registers)

r0 contains an address

080BE7FC: B5F0    push    {r4, r5, r6, r7, lr}
080BE7FE: 2100    mov     r1, #0x00
080BE800: 7401    strb    r1, [r0, #0x10]			; Clear Orig. r0 + #$10
080BE802: 2108    mov     r1, #0x08
080BE804: 7441    strb    r1, [r0, #0x11]			; Set Orig. r0 + #$11 to #$08
080BE806: 74C1    strb    r1, [r0, #0x13]			; Set Orig. r0 + #$13 to #$08
080BE808: 7481    strb    r1, [r0, #0x12]			; Set Orig. r0 + #$12 to #$08
080BE80A: 1C02    add     r2, r0, #0x0			; r2 = Orig. r0
080BE80C: 2400    mov     r4, #0x00				; Set up Loop Counter
080BE80E: 2002    mov     r0, #0x02
080BE810: 4240    neg     r0, r0
080BE812: 4684    mov     r12, r0				; r12 = #$FFFFFFFE
080BE814: 2300    mov     r3, #0x00
080BE816: 2703    mov     r7, #0x03
080BE818: 427F    neg     r7, r7				; r7  = #$FFFFFFFD
080BE81A: 2605    mov     r6, #0x05
080BE81C: 4276    neg     r6, r6				; r6  = #$FFFFFFFB
080BE81E: 2509    mov     r5, #0x09
080BE820: 426D    neg     r5, r5				; r5  = #$FFFFFFF7

080BE822: 7950    ldrb    r0, [r2, #0x05]
080BE824: 4661    mov     r1, r12
080BE826: 4001    and     r1, r0
080BE828: 7113    strb    r3, [r2, #0x04]			; Clear Orig. r0 + #$04/C
080BE82A: 4039    and     r1, r7
080BE82C: 4031    and     r1, r6
080BE82E: 4029    and     r1, r5
080BE830: 7151    strb    r1, [r2, #0x05]			; Orig. r0 + #$05/D got Bits 0 to 3 cleared
080BE832: 8013    strh    r3, [r2]				; Clear Orig. r0 + #$00/1/8/9
080BE834: 8053    strh    r3, [r2, #0x02]			; Clear Orig. r0 + #$02/3/A/B
080BE836: 1C60    add     r0, r4, #0x1			; Inc Loop counter
080BE838: 0400    lsl     r0, r0, #0x10
080BE83A: 0C04    lsr     r4, r0, #0x10
080BE83C: 3208    add     r2, #0x08
080BE83E: 2C01    cmp     r4, #0x01
080BE840: D9EF    bls     0x080BE822				; Repeat this Loop one time

080BE842: BCF0    pop     {r4, r5, r6, r7}
080BE844: BC01    pop     {r0}
080BE846: 4700    bx      r0

$080BE8E4 - Timer

r0 contains an address, as far as I've checked, it's always $0203BBF0.

r0 + #$10 ($0203BC00) = Big Timer (incremented each time the Small Timer runs out)

r0 + #$11 ($0203BC01) = Big Timer Goal value

r0 + #$12 ($0203BC02) = Small Timer (decremented each Loop)

r0 + #$13 ($0203BC03) = Small Timer restore value

Note that this subroutine itself does nothing, no Flag Set or anything, when the big timer runs out. So, when this subroutine is used, it has to be checked if r0+#$10 = #$00.

080BE8E4: 1C01    add     r1, r0, #0x0
080BE8E6: 7C88    ldrb    r0, [r1, #0x12]		; Load byte from Original r0 + #$12, decrement, store back
080BE8E8: 3801    sub     r0, #0x01
080BE8EA: 7488    strb    r0, [r1, #0x12]
080BE8EC: 0600    lsl     r0, r0, #0x18		; r2 = Loaded Byte AND #$000000FF
080BE8EE: 0E02    lsr     r2, r0, #0x18
080BE8F0: 2A00    cmp     r2, #0x00
080BE8F2: D10A    bne     0x080BE90A			; Exit if value is <> #$00

080BE8F4: 7CC8    ldrb    r0, [r1, #0x13]		; Restore Small Timer value
080BE8F6: 7488    strb    r0, [r1, #0x12]
080BE8F8: 7C08    ldrb    r0, [r1, #0x10]		; Increment Big Timer value
080BE8FA: 3001    add     r0, #0x01
080BE8FC: 7408    strb    r0, [r1, #0x10]
080BE8FE: 0600    lsl     r0, r0, #0x18
080BE900: 0E00    lsr     r0, r0, #0x18
080BE902: 7C4B    ldrb    r3, [r1, #0x11]
080BE904: 4298    cmp     r0, r3			; Has the "big timer" already reached the max, value?
080BE906: D100    bne     0x080BE90A			; If not, exit

080BE908: 740A    strb    r2, [r1, #0x10]		; If it has, clear Big Timer

080BE90A: 4770    bx      lr

$080BE90C - Clear VRAM, Pal RAM, OAM

Three DMAs that completely clear VRAM, Palette RAM and OAM.

080BE90C: B081    add     sp, #-0x004			; Add another Stack Entry
080BE90E: 2000    mov     r0, #0x00
080BE910: 9000    str     r0, [sp]				; Clear new Stack Entry

080BE912: 491E    ldr     r1, =#0x040000D4
080BE914: 4668    mov     r0, sp
080BE916: 6008    str     r0, [r1]				; DMA Source: Cleared Stack Entry
080BE918: 20C0    mov     r0, #0xC0
080BE91A: 04C0    lsl     r0, r0, #0x13
080BE91C: 6048    str     r0, [r1, #0x04]			; Destination: VRAM ($06000000)
080BE91E: 481C    ldr     r0, =#0x85006000
080BE920: 6088    str     r0, [r1, #0x08]			; Fixed DMA, transfer #$6000 Quadruple Bytes (= #$18000, whole VRAM)
080BE922: 6888    ldr     r0, [r1, #0x08]
080BE924: 6888    ldr     r0, [r1, #0x08]
080BE926: 2280    mov     r2, #0x80
080BE928: 0612    lsl     r2, r2, #0x18
080BE92A: 2800    cmp     r0, #0x00
080BE92C: DA03    bge     0x080BE936

080BE92E: 6888    ldr     r0, [r1, #0x08]
080BE930: 4010    and     r0, r2
080BE932: 2800    cmp     r0, #0x00
080BE934: D1FB    bne     0x080BE92E

080BE936: 2000    mov     r0, #0x00
080BE938: 9000    str     r0, [sp]				; Clear new Stack Entry. Again
080BE93A: 4914    ldr     r1, =#0x040000D4
080BE93C: 4668    mov     r0, sp
080BE93E: 6008    str     r0, [r1]				; DMA Source: Cleared Stack Entry
080BE940: 20A0    mov     r0, #0xA0
080BE942: 04C0    lsl     r0, r0, #0x13
080BE944: 6048    str     r0, [r1, #0x04]			; Destination: Palette RAM ($05000000)
080BE946: 4813    ldr     r0, =#0x85000100
080BE948: 6088    str     r0, [r1, #0x08]			; Fixed DMA, transfer #$100 Quadruple Bytes (= #$400, whole Pal RAM)
080BE94A: 6888    ldr     r0, [r1, #0x08]
080BE94C: 6888    ldr     r0, [r1, #0x08]
080BE94E: 2280    mov     r2, #0x80
080BE950: 0612    lsl     r2, r2, #0x18
080BE952: 2800    cmp     r0, #0x00
080BE954: DA03    bge     0x080BE95E

080BE956: 6888    ldr     r0, [r1, #0x08]
080BE958: 4010    and     r0, r2
080BE95A: 2800    cmp     r0, #0x00
080BE95C: D1FB    bne     0x080BE956

080BE95E: 2000    mov     r0, #0x00
080BE960: 9000    str     r0, [sp]				; Clear new Stack Entry. Agaaain
080BE962: 490A    ldr     r1, =#0x040000D4
080BE964: 4668    mov     r0, sp
080BE966: 6008    str     r0, [r1]				; DMA Source: Cleared Stack Entry
080BE968: 20E0    mov     r0, #0xE0
080BE96A: 04C0    lsl     r0, r0, #0x13
080BE96C: 6048    str     r0, [r1, #0x04]			; Destination: OAM ($07000000)
080BE96E: 4809    ldr     r0, =#0x85000100
080BE970: 6088    str     r0, [r1, #0x08]			; Fixed DMA, transfer #$100 Quadruple Bytes (= #$400, whole OAM)
080BE972: 6888    ldr     r0, [r1, #0x08]
080BE974: 6888    ldr     r0, [r1, #0x08]
080BE976: 2280    mov     r2, #0x80
080BE978: 0612    lsl     r2, r2, #0x18
080BE97A: 2800    cmp     r0, #0x00
080BE97C: DA03    bge     0x080BE986

080BE97E: 6888    ldr     r0, [r1, #0x08]
080BE980: 4010    and     r0, r2
080BE982: 2800    cmp     r0, #0x00
080BE984: D1FB    bne     0x080BE97E

080BE986: B001    add     sp, #0x004				; Remove added Stack Entry
080BE988: 4770    bx      lr

;080BE98A: 0000    lsl     r0, r0, #0x0
;080BE98C: 00D4    lsl     r4, r2, #0x3
;080BE98E: 0400    lsl     r0, r0, #0x10
;080BE990: 6000    str     r0, [r0]
;080BE992: 8500    strh    r0, [r0, #0x28]
;080BE994: 0100    lsl     r0, r0, #0x4
;080BE996: 8500    strh    r0, [r0, #0x28]

$080BE998 - Disable all Sprites

r0 contains an address.

080BE998: B5F0    push    {r4, r5, r6, r7, lr}
080BE99A: 464F    mov     r7, r9
080BE99C: 4646    mov     r6, r8
080BE99E: B4C0    push    {r6, r7}

080BE9A0: 1C06    add     r6, r0, #0x0			; Store r0 in r6
080BE9A2: 2096    mov     r0, #0x96
080BE9A4: 0140    lsl     r0, r0, #0x5			; #$000012C0
080BE9A6: 1833    add     r3, r6, r0			; Add #$000012C0 to value of r0 (Address of OAM Buffer)
080BE9A8: 2400    mov     r4, #0x00
080BE9AA: 4922    ldr     r1, =#0xFFFFFE00
080BE9AC: 4689    mov     r9, r1			; ?
080BE9AE: 253F    mov     r5, #0x3F			; ?
080BE9B0: 2204    mov     r2, #0x04
080BE9B2: 4252    neg     r2, r2			; r2 = #$FFFFFFFB
080BE9B4: 4690    mov     r8, r2			; Store r2 in r8
080BE9B6: 20F0    mov     r0, #0xF0
080BE9B8: 4684    mov     r12, r0			; ?
080BE9BA: 27A0    mov     r7, #0xA0			; ?

080BE9BC: 8859    ldrh    r1, [r3, #0x02]		; Load Sprite Attribute Byte 2
080BE9BE: 4648    mov     r0, r9
080BE9C0: 4008    and     r0, r1			; Remove bits 0-8 (Tile Number)
080BE9C2: 4661    mov     r1, r12
080BE9C4: 4308    orr     r0, r1			; Set bits 4-7 (Tile number #$F0 = #240)
080BE9C6: 8058    strh    r0, [r3, #0x02]		; Store value back
080BE9C8: 701F    strb    r7, [r3]			; Store #$A0 (Y-Position: 160px)
080BE9CA: 7858    ldrb    r0, [r3, #0x01]		; ?
080BE9CC: 1C29    add     r1, r5, #0x0
080BE9CE: 4001    and     r1, r0			; Remove MSB
080BE9D0: 78DA    ldrb    r2, [r3, #0x03]		; ?
080BE9D2: 1C28    add     r0, r5, #0x0
080BE9D4: 4010    and     r0, r2			; Remove MSB
080BE9D6: 70D8    strb    r0, [r3, #0x03]		; ?
080BE9D8: 4642    mov     r2, r8
080BE9DA: 4011    and     r1, r2			; ?
080BE9DC: 2002    mov     r0, #0x02
080BE9DE: 4301    orr     r1, r0			; ?
080BE9E0: 7059    strb    r1, [r3, #0x01]		; ?
080BE9E2: 1C60    add     r0, r4, #0x1			; Increment r4
080BE9E4: 0400    lsl     r0, r0, #0x10
080BE9E6: 0C04    lsr     r4, r0, #0x10
080BE9E8: 3308    add     r3, #0x08			; Increment r3 by 8; do next OAM Entry
080BE9EA: 2C7F    cmp     r4, #0x7F			; Loop until it's done #$80 times (whole OAM done)
080BE9EC: D9E6    bls     0x080BE9BC

080BE9EE: 20BE    mov     r0, #0xBE
080BE9F0: 0140    lsl     r0, r0, #0x5			; r0 = #$000017C0
080BE9F2: 1831    add     r1, r6, r0			; ?
080BE9F4: 2400    mov     r4, #0x00
080BE9F6: 2200    mov     r2, #0x00

080BE9F8: 8808    ldrh    r0, [r1]			; ?
080BE9FA: 800A    strh    r2, [r1]			; Clear register
080BE9FC: 8848    ldrh    r0, [r1, #0x02]		; ?
080BE9FE: 804A    strh    r2, [r1, #0x02]		; Clear register
080BEA00: 8888    ldrh    r0, [r1, #0x04]		; ?
080BEA02: 808A    strh    r2, [r1, #0x04]		; Clear register
080BEA04: 88C8    ldrh    r0, [r1, #0x06]		; ?
080BEA06: 80CA    strh    r2, [r1, #0x06]		; Clear register
080BEA08: 1C60    add     r0, r4, #0x1			; Increment r4
080BEA0A: 0400    lsl     r0, r0, #0x10
080BEA0C: 0C04    lsr     r4, r0, #0x10
080BEA0E: 3108    add     r1, #0x08			; Increment r1 by 8
080BEA10: 2C1F    cmp     r4, #0x1F			; Loop until it's done #$20 times
080BEA12: D9F1    bls     0x080BE9F8

080BEA14: 4908    ldr     r1, =#0x00001F04		; Clear Register
080BEA16: 1870    add     r0, r6, r1
080BEA18: 8801    ldrh    r1, [r0]
080BEA1A: 2100    mov     r1, #0x00
080BEA1C: 8001    strh    r1, [r0]
080BEA1E: 4A07    ldr     r2, =#0x00001F06		; Clear Register
080BEA20: 18B0    add     r0, r6, r2
080BEA22: 8802    ldrh    r2, [r0]			; This subroutine is left with that loaded value in r2
080BEA24: 8001    strh    r1, [r0]

080BEA26: BC18    pop     {r3, r4}
080BEA28: 4698    mov     r8, r3
080BEA2A: 46A1    mov     r9, r4
080BEA2C: BCF0    pop     {r4, r5, r6, r7}
080BEA2E: BC01    pop     {r0}
080BEA30: 4700    bx      r0

;DATA
;=======
;080BEA32: 0000    lsl     r0, r0, #0x0
;080BEA34: FE00    bl      0x080BF636
;080BEA36: FFFF    bl      0x07EBFA36
;080BEA38: 1F04    sub     r4, r0, #0x4
;080BEA3A: 0000    lsl     r0, r0, #0x0
;080BEA3C: 1F06    sub     r6, r0, #0x4
;080BEA3E: 0000    lsl     r0, r0, #0x0

$080BEA40 - ?

080BEA40: B530    push    {r4, r5, lr}

080BEA42: 1C03    add     r3, r0, #0x0			; r3 = Orig. r0
080BEA44: 2000    mov     r0, #0x00			; Set up r0 as Outer Loop counter

080BEA46: 2200    mov     r2, #0x00			; Set up r2 as Inner Loop Counter
080BEA48: 1C44    add     r4, r0, #0x1			; INC Outer Loop counter
080BEA4A: 1C0D    add     r5, r1, #0x0			; ?
080BEA4C: 3508    add     r5, #0x08			; ?

080BEA4E: 0050    lsl     r0, r2, #0x1
080BEA50: 1808    add     r0, r1, r0
080BEA52: 8800    ldrh    r0, [r0]			; r0 = [r1 + Loopcounter * 8 + Loop Counter * 2]
080BEA54: 80D8    strh    r0, [r3, #0x06]		; Store in [Orig. r0 + Loop Counter * 8 + #$06]
080BEA56: 1C50    add     r0, r2, #0x1			; Inc Inner Loop Counter
080BEA58: 0400    lsl     r0, r0, #0x10
080BEA5A: 0C02    lsr     r2, r0, #0x10			; Inner Loop Counter AND #$0000FFFF
080BEA5C: 3308    add     r3, #0x08
080BEA5E: 2A03    cmp     r2, #0x03
080BEA60: D9F5    bls     0x080BEA4E			; repeat 4 times

080BEA62: 0420    lsl     r0, r4, #0x10
080BEA64: 0C00    lsr     r0, r0, #0x10
080BEA66: 1C29    add     r1, r5, #0x0
080BEA68: 281F    cmp     r0, #0x1F
080BEA6A: D9EC    bls     0x080BEA46

080BEA6C: BC30    pop     {r4, r5}
080BEA6E: BC01    pop     {r0}
080BEA70: 4700    bx      r0
;080BEA72: 0000    lsl     r0, r0, #0x0

$080BEA78 - ?

080BEA78: B5F0    push    {r4, r5, r6, r7, lr}
080BEA7A: 4657    mov     r7, r10
080BEA7C: 464E    mov     r6, r9
080BEA7E: 4645    mov     r5, r8
080BEA80: B4E0    push    {r5, r6, r7}
080BEA82: B086    add     sp, #-0x018

080BEA84: 1C05    add     r5, r0, #0x0
080BEA86: 0409    lsl     r1, r1, #0x10
080BEA88: 0C09    lsr     r1, r1, #0x10
080BEA8A: 9104    str     r1, [sp, #0x010]
080BEA8C: A802    add     r0, sp, #0x008
080BEA8E: 2101    mov     r1, #0x01
080BEA90: 8001    strh    r1, [r0]
080BEA92: 1C04    add     r4, r0, #0x0
080BEA94: E004    b       0x080BEAA0

080BEA96: 8821    ldrh    r1, [r4]
080BEA98: 0048    lsl     r0, r1, #0x1
080BEA9A: 1840    add     r0, r0, r1
080BEA9C: 3001    add     r0, #0x01
080BEA9E: 8020    strh    r0, [r4]
080BEAA0: 9804    ldr     r0, [sp, #0x010]
080BEAA2: 2109    mov     r1, #0x09
080BEAA4: F001    bl       
080BEAA6: FE30    bl      0x080C0708
080BEAA8: 8821    ldrh    r1, [r4]
080BEAAA: 0400    lsl     r0, r0, #0x10
080BEAAC: 0C00    lsr     r0, r0, #0x10
080BEAAE: 4281    cmp     r1, r0
080BEAB0: D3F1    bcc     0x080BEA96
080BEAB2: 1C21    add     r1, r4, #0x0
080BEAB4: 8808    ldrh    r0, [r1]
080BEAB6: 2800    cmp     r0, #0x00
080BEAB8: D067    beq     0x080BEB8A
080BEABA: 4668    mov     r0, sp
080BEABC: 300A    add     r0, #0x0A
080BEABE: 9005    str     r0, [sp, #0x014]
080BEAC0: 4688    mov     r8, r1
080BEAC2: 8808    ldrh    r0, [r1]
080BEAC4: 9905    ldr     r1, [sp, #0x014]
080BEAC6: 8008    strh    r0, [r1]
080BEAC8: 8808    ldrh    r0, [r1]
080BEACA: 9A04    ldr     r2, [sp, #0x010]
080BEACC: 4290    cmp     r0, r2
080BEACE: D251    bcs     0x080BEB74
080BEAD0: A803    add     r0, sp, #0x00C
080BEAD2: 4681    mov     r9, r0
080BEAD4: 468C    mov     r12, r1
080BEAD6: 464E    mov     r6, r9
080BEAD8: 4661    mov     r1, r12
080BEADA: 8808    ldrh    r0, [r1]
080BEADC: 464A    mov     r2, r9
080BEADE: 8010    strh    r0, [r2]
080BEAE0: 4644    mov     r4, r8
080BEAE2: 8811    ldrh    r1, [r2]
080BEAE4: 8820    ldrh    r0, [r4]
080BEAE6: 4281    cmp     r1, r0
080BEAE8: D33C    bcc     0x080BEB64
080BEAEA: 4B2C    ldr     r3, =#0x040000D4
080BEAEC: 482C    ldr     r0, =#0x80000004
080BEAEE: 4682    mov     r10, r0				; Temp-store DMA-Activation bytes
080BEAF0: 1C37    add     r7, r6, #0x0
080BEAF2: 8838    ldrh    r0, [r7]
080BEAF4: 00C0    lsl     r0, r0, #0x3
080BEAF6: 1940    add     r0, r0, r5
080BEAF8: 3808    sub     r0, #0x08
080BEAFA: 7941    ldrb    r1, [r0, #0x05]
080BEAFC: 0709    lsl     r1, r1, #0x1C
080BEAFE: 8838    ldrh    r0, [r7]
080BEB00: 00C0    lsl     r0, r0, #0x3
080BEB02: 1940    add     r0, r0, r5
080BEB04: 7940    ldrb    r0, [r0, #0x05]
080BEB06: 0700    lsl     r0, r0, #0x1C
080BEB08: 0F89    lsr     r1, r1, #0x1E
080BEB0A: 0F80    lsr     r0, r0, #0x1E
080BEB0C: 4281    cmp     r1, r0
080BEB0E: D929    bls     0x080BEB64
080BEB10: 8830    ldrh    r0, [r6]
080BEB12: 00C0    lsl     r0, r0, #0x3
080BEB14: 1828    add     r0, r5, r0
080BEB16: 6018    str     r0, [r3]
080BEB18: 4669    mov     r1, sp
080BEB1A: 6059    str     r1, [r3, #0x04]
080BEB1C: 4652    mov     r2, r10
080BEB1E: 609A    str     r2, [r3, #0x08]			; Start DMA (4 Doublebytes)
080BEB20: 6898    ldr     r0, [r3, #0x08]
080BEB22: 8830    ldrh    r0, [r6]
080BEB24: 1C22    add     r2, r4, #0x0
080BEB26: 8821    ldrh    r1, [r4]
080BEB28: 1A40    sub     r0, r0, r1
080BEB2A: 00C0    lsl     r0, r0, #0x3
080BEB2C: 1828    add     r0, r5, r0
080BEB2E: 6018    str     r0, [r3]
080BEB30: 8830    ldrh    r0, [r6]
080BEB32: 00C0    lsl     r0, r0, #0x3
080BEB34: 1828    add     r0, r5, r0
080BEB36: 6058    str     r0, [r3, #0x04]
080BEB38: 4650    mov     r0, r10
080BEB3A: 6098    str     r0, [r3, #0x08]
080BEB3C: 6898    ldr     r0, [r3, #0x08]
080BEB3E: 4669    mov     r1, sp
080BEB40: 6019    str     r1, [r3]
080BEB42: 8830    ldrh    r0, [r6]
080BEB44: 8821    ldrh    r1, [r4]
080BEB46: 1A40    sub     r0, r0, r1
080BEB48: 00C0    lsl     r0, r0, #0x3
080BEB4A: 1828    add     r0, r5, r0
080BEB4C: 6058    str     r0, [r3, #0x04]
080BEB4E: 4650    mov     r0, r10
080BEB50: 6098    str     r0, [r3, #0x08]
080BEB52: 6898    ldr     r0, [r3, #0x08]
080BEB54: 8831    ldrh    r1, [r6]
080BEB56: 8820    ldrh    r0, [r4]
080BEB58: 1A09    sub     r1, r1, r0
080BEB5A: 8031    strh    r1, [r6]
080BEB5C: 8839    ldrh    r1, [r7]
080BEB5E: 8810    ldrh    r0, [r2]
080BEB60: 4281    cmp     r1, r0
080BEB62: D2C6    bcs     0x080BEAF2
080BEB64: 4661    mov     r1, r12
080BEB66: 8808    ldrh    r0, [r1]
080BEB68: 3001    add     r0, #0x01
080BEB6A: 8008    strh    r0, [r1]
080BEB6C: 8808    ldrh    r0, [r1]
080BEB6E: 9A04    ldr     r2, [sp, #0x010]
080BEB70: 4290    cmp     r0, r2
080BEB72: D3B1    bcc     0x080BEAD8
080BEB74: 4641    mov     r1, r8
080BEB76: 8808    ldrh    r0, [r1]
080BEB78: 2103    mov     r1, #0x03
080BEB7A: F001    bl       
080BEB7C: FDC5    bl      0x080C0708

080BEB7E: 4642    mov     r2, r8
080BEB80: 8010    strh    r0, [r2]
080BEB82: 4641    mov     r1, r8
080BEB84: 8810    ldrh    r0, [r2]
080BEB86: 2800    cmp     r0, #0x00
080BEB88: D19B    bne     0x080BEAC2
080BEB8A: B006    add     sp, #0x018
080BEB8C: BC38    pop     {r3, r4, r5}
080BEB8E: 4698    mov     r8, r3
080BEB90: 46A1    mov     r9, r4
080BEB92: 46AA    mov     r10, r5
080BEB94: BCF0    pop     {r4, r5, r6, r7}
080BEB96: BC01    pop     {r0}
080BEB98: 4700    bx      r0
 
;080BEB9A: 0000    lsl     r0, r0, #0x0
;080BEB9C: 00D4    lsl     r4, r2, #0x3
;080BEB9E: 0400    lsl     r0, r0, #0x10
;080BEBA0: 0004    lsl     r4, r0, #0x0
;080BEBA2: 8000    strh    r0, [r0]
;080BEBA4: 4770    bx      lr
;080BEBA6: 0000    lsl     r0, r0, #0x0

$080BEBA8 - ?

r0 contains an address.

r1 contains a counter/compare value.

Doublebytes from r0 are loaded and added to each other. This is repeated [r1 /2] times. The result gets stored in r0.

080BEBA8: B510    push    {r4, lr}
080BEBAA: B081    add     sp, #-0x004		; add 4 bytes on stack
080BEBAC: 1C03    add     r3, r0, #0x0
080BEBAE: 1C0C    add     r4, r1, #0x0
080BEBB0: 2000    mov     r0, #0x00
080BEBB2: 9000    str     r0, [sp]		; Clear the newly added 4 bytes on stack
080BEBB4: 0864    lsr     r4, r4, #0x1		; r4 = r4 / 2
080BEBB6: 2200    mov     r2, #0x00
080BEBB8: 42A2    cmp     r2, r4		; Is r4 clear now?
080BEBBA: D207    bcs     0x080BEBCC		; If it is, overbranch the loop and exit

080BEBBC: 8819    ldrh    r1, [r3]		; Load doublebyte from [r3]
080BEBBE: 9800    ldr     r0, [sp]
080BEBC0: 1840    add     r0, r0, r1		; Add it to the [r3]-value-accumulation on stack...
080BEBC2: 9000    str     r0, [sp]		; ... and store it back on stack
080BEBC4: 3201    add     r2, #0x01		; Increment counter
080BEBC6: 3302    add     r3, #0x02		; Double-Increment Load address
080BEBC8: 42A2    cmp     r2, r4		; Has the counter reached it's limit?
080BEBCA: D3F7    bcc     0x080BEBBC		; Loop if not

080BEBCC: 9800    ldr     r0, [sp]		; Load the accumulation (the result of this subroutine) in r0
080BEBCE: B001    add     sp, #0x004		; Remove the temp value from stack
080BEBD0: BC10    pop     {r4}			; Restore registers and exit
080BEBD2: BC02    pop     {r1}
080BEBD4: 4708    bx      r1

;080BEBD6: 0000    lsl     r0, r0, #0x0

$080BEBD8 - ?

080BEBD8: B570    push    {r4, r5, r6, lr}
080BEBDA: B088    add     sp, #-0x020			; Add new Stack entries

080BEBDC: 1C16    add     r6, r2, #0x0			; r6 = Orig. r2
080BEBDE: 9C0C    ldr     r4, [sp, #0x030]		; Restore Orig. r4!?
080BEBE0: 041B    lsl     r3, r3, #0x10
080BEBE2: 0424    lsl     r4, r4, #0x10
080BEBE4: 0C24    lsr     r4, r4, #0x10			; r4 AND #$0000FFFF
080BEBE6: 0ADB    lsr     r3, r3, #0xB			; r3 AND #$0000FFFF * #$40
080BEBE8: 18C0    add     r0, r0, r3				; r0 = Orig. r0 + Orig. r3 * #$40
080BEBEA: 6802    ldr     r2, [r0]				; Transfer thirty-two bytes from r0 into newly added stack entries
080BEBEC: 9200    str     r2, [sp]
080BEBEE: 6842    ldr     r2, [r0, #0x04]
080BEBF0: 9201    str     r2, [sp, #0x004]
080BEBF2: 6902    ldr     r2, [r0, #0x10]
080BEBF4: 9202    str     r2, [sp, #0x008]
080BEBF6: 6942    ldr     r2, [r0, #0x14]
080BEBF8: 9203    str     r2, [sp, #0x00C]
080BEBFA: 6882    ldr     r2, [r0, #0x08]
080BEBFC: 9204    str     r2, [sp, #0x010]
080BEBFE: 68C2    ldr     r2, [r0, #0x0C]
080BEC00: 9205    str     r2, [sp, #0x014]
080BEC02: AD04    add     r5, sp, #0x010
080BEC04: 6982    ldr     r2, [r0, #0x18]
080BEC06: 9206    str     r2, [sp, #0x018]
080BEC08: 69C0    ldr     r0, [r0, #0x1C]
080BEC0A: 9007    str     r0, [sp, #0x01C]
080BEC0C: 1C08    add     r0, r1, #0x0			; r0 = Orig. r1
080BEC0E: 4669    mov     r1, sp				; r1 = Stack Address
080BEC10: 1C22    add     r2, r4, #0x0			; r2 = Orig. r4
080BEC12: 2302    mov     r3, #0x02
080BEC14: F000    bl       
080BEC16: F80A    bl      0x080BEC2C				; ?
080BEC18: 1C30    add     r0, r6, #0x0			; r0 = Orig. r2
080BEC1A: 1C29    add     r1, r5, #0x0			; r1 = sp, #$010
080BEC1C: 1C22    add     r2, r4, #0x0			; r2 = Orig. r4
080BEC1E: 2302    mov     r3, #0x02
080BEC20: F000    bl       
080BEC22: F804    bl      0x080BEC2C				; ?

080BEC24: B008    add     sp, #0x020
080BEC26: BC70    pop     {r4, r5, r6}
080BEC28: BC01    pop     {r0}
080BEC2A: 4700    bx      r0

$080BEDD8 - swi VBlankIntrWait (Wait for VBlank)

080BEDD8: B500    push    {lr}
080BEDDA: F000    bl       
080BEDDC: FDFD    bl      0x080BF9D8		;  - swi VBlankIntrWait
080BEDDE: BC01    pop     {r0}
080BEDE0: 4700    bx      r0
;080BEDE2: 0000    lsl     r0, r0, #0x0

$080BEF68 - ?

r0 and r1 contain both an address. r0 has a Data Store Address, r1 the corresponding Data Load Address.

080BEF68: B530    push    {r4, r5, lr}
080BEF6A: 1C04    add     r4, r0, #0x0
080BEF6C: 1C0B    add     r3, r1, #0x0
080BEF6E: 0412    lsl     r2, r2, #0x10
080BEF70: 4D08    ldr     r5, =#0xFFFF0000
080BEF72: 1411    asr     r1, r2, #0x10
080BEF74: 42AA    cmp     r2, r5
080BEF76: D111    bne     0x080BEF9C
080BEF78: 8819    ldrh    r1, [r3]
080BEF7A: 0C2A    lsr     r2, r5, #0x10
080BEF7C: 4291    cmp     r1, r2
080BEF7E: D005    beq     0x080BEF8C
080BEF80: 8021    strh    r1, [r4]
080BEF82: 3302    add     r3, #0x02
080BEF84: 3402    add     r4, #0x02
080BEF86: 8819    ldrh    r1, [r3]
080BEF88: 4291    cmp     r1, r2
080BEF8A: D1F9    bne     0x080BEF80
080BEF8C: 4A02    ldr     r2, =#0x0000FFFF
080BEF8E: 1C11    add     r1, r2, #0x0
080BEF90: 8021    strh    r1, [r4]
080BEF92: E010    b       0x080BEFB6

;DATA
;==========
;080BEF94: 0000    lsl     r0, r0, #0x0
;080BEF96: FFFF    bl      0x080BFF96
;080BEF98: FFFF    bl      0x080BEF98
;080BEF9A: 0000    lsl     r0, r0, #0x0

080BEF9C: 2200    mov     r2, #0x00
080BEF9E: 428A    cmp     r2, r1
080BEFA0: DA09    bge     0x080BEFB6

080BEFA2: 1C0D    add     r5, r1, #0x0
080BEFA4: 8819    ldrh    r1, [r3]
080BEFA6: 8021    strh    r1, [r4]
080BEFA8: 3302    add     r3, #0x02
080BEFAA: 3402    add     r4, #0x02
080BEFAC: 1C51    add     r1, r2, #0x1
080BEFAE: 0409    lsl     r1, r1, #0x10
080BEFB0: 0C0A    lsr     r2, r1, #0x10
080BEFB2: 42AA    cmp     r2, r5
080BEFB4: DBF6    blt     0x080BEFA4

080BEFB6: BC30    pop     {r4, r5}
080BEFB8: BC02    pop     {r1}
080BEFBA: 4708    bx      r1

$080BF094 - ?

080BF094: B5F0    push    {r4, r5, r6, r7, lr}
080BF096: 1C05    add     r5, r0, #0x0			; r5 = Orig. r0
080BF098: 0409    lsl     r1, r1, #0x10
080BF09A: 0C0E    lsr     r6, r1, #0x10			; r6 = Orig. r1
080BF09C: 2E00    cmp     r6, #0x00
080BF09E: D103    bne     0x080BF0A8			; Branch if Orig. r1 <> #$0000
080BF0A0: E01E    b       0x080BF0E0			; Exit if Orig. r1 = #$0000

080BF0A2: 3402    add     r4, #0x02
080BF0A4: 1C20    add     r0, r4, #0x0
080BF0A6: E01B    b       0x080BF0E0

080BF0A8: 1C2C    add     r4, r5, #0x0			; r4 = Orig. r0
080BF0AA: 2101    mov     r1, #0x01
080BF0AC: 4249    neg     r1, r1			; r1 = #$FFFFFFFF
080BF0AE: 1C28    add     r0, r5, #0x0			; r0 = Orig. r0
080BF0B0: F7FF    bl       
080BF0B2: FE98    bl      0x080BEDE4			; ?
080BF0B4: 0400    lsl     r0, r0, #0x10
080BF0B6: 0C03    lsr     r3, r0, #0x10			; ? (Is r0 changed by the subroutine above?)
080BF0B8: 2201    mov     r2, #0x01
080BF0BA: 2100    mov     r1, #0x00
080BF0BC: 4299    cmp     r1, r3			; ?
080BF0BE: D20E    bcs     0x080BF0DE			; ?

080BF0C0: 4F09    ldr     r7, =#0x0000FFFE

080BF0C2: 8820    ldrh    r0, [r4]			; ?
080BF0C4: 42B8    cmp     r0, r7
080BF0C6: D104    bne     0x080BF0D2
080BF0C8: 42B2    cmp     r2, r6
080BF0CA: D0EA    beq     0x080BF0A2
080BF0CC: 1C50    add     r0, r2, #0x1
080BF0CE: 0400    lsl     r0, r0, #0x10
080BF0D0: 0C02    lsr     r2, r0, #0x10
080BF0D2: 1C48    add     r0, r1, #0x1
080BF0D4: 0400    lsl     r0, r0, #0x10
080BF0D6: 0C01    lsr     r1, r0, #0x10
080BF0D8: 3402    add     r4, #0x02
080BF0DA: 4299    cmp     r1, r3
080BF0DC: D3F1    bcc     0x080BF0C2

080BF0DE: 1C28    add     r0, r5, #0x0			; r0 = Orig. r0

080BF0E0: BCF0    pop     {r4, r5, r6, r7}
080BF0E2: BC02    pop     {r1}
080BF0E4: 4708    bx      r1

;080BF0E6: 0000    lsl     r0, r0, #0x0
;080BF0E8: FFFE    bl      0x080C00E6
;080BF0EA: 0000    lsl     r0, r0, #0x0

$080BF0EC - ?

080BF0EC: B570    push    {r4, r5, r6, lr}
080BF0EE: 0409    lsl     r1, r1, #0x10
080BF0F0: 0C09    lsr     r1, r1, #0x10			; r1 AND #$0000FFFF
080BF0F2: 0412    lsl     r2, r2, #0x10
080BF0F4: 0C15    lsr     r5, r2, #0x10			; r5 = Orig. r2 AND #$0000FFFF
080BF0F6: F7FF    bl       
080BF0F8: FFCD    bl      0x080BF094			; ?
080BF0FA: 1C04    add     r4, r0, #0x0			; ?
080BF0FC: 2101    mov     r1, #0x01
080BF0FE: 4249    neg     r1, r1				; r1 = #$FFFFFFFF
080BF100: F7FF    bl       
080BF102: FE70    bl      0x080BEDE4			; ?
080BF104: 0400    lsl     r0, r0, #0x10
080BF106: 0C02    lsr     r2, r0, #0x10			; r2 = Recent r0 AND #$0000FFFF
080BF108: 2301    mov     r3, #0x01
080BF10A: 2100    mov     r1, #0x00
080BF10C: 4291    cmp     r1, r2
080BF10E: D214    bcs     0x080BF13A			; (Exit if r1 = r2)
080BF110: 4E04    ldr     r6, =#0x0000FFFE
080BF112: 8820    ldrh    r0, [r4]
080BF114: 42B0    cmp     r0, r6
080BF116: D10A    bne     0x080BF12E
080BF118: 42AB    cmp     r3, r5
080BF11A: D105    bne     0x080BF128
080BF11C: 1C48    add     r0, r1, #0x1
080BF11E: 0400    lsl     r0, r0, #0x10
080BF120: 0C00    lsr     r0, r0, #0x10
080BF122: E00B    b       0x080BF13C

;080BF124: FFFE    bl      0x080CB122
;080BF126: 0000    lsl     r0, r0, #0x0

080BF128: 1C58    add     r0, r3, #0x1
080BF12A: 0400    lsl     r0, r0, #0x10
080BF12C: 0C03    lsr     r3, r0, #0x10
080BF12E: 1C48    add     r0, r1, #0x1
080BF130: 0400    lsl     r0, r0, #0x10
080BF132: 0C01    lsr     r1, r0, #0x10
080BF134: 3402    add     r4, #0x02
080BF136: 4291    cmp     r1, r2
080BF138: D3EB    bcc     0x080BF112

080BF13A: 1C10    add     r0, r2, #0x0
080BF13C: BC70    pop     {r4, r5, r6}
080BF13E: BC02    pop     {r1}
080BF140: 4708    bx      r1

;080BF142: 0000    lsl     r0, r0, #0x0

$080BF278 - (Setup Random Number Table?)

This is so bizarre, I have the feeling that this is a Random Number Generator

080BF278: B5F0    push    {r4, r5, r6, r7, lr}
080BF27A: 4647    mov     r7, r8
080BF27C: B480    push    {r7}

080BF27E: 1C03    add     r3, r0, #0x0
080BF280: 2400    mov     r4, #0x00					; Set up loop counter
080BF282: 4812    ldr     r0, =#0x0203F3A0
080BF284: 4680    mov     r8, r0
080BF286: 4912    ldr     r1, =#0x0203E9E0
080BF288: 468C    mov     r12, r1
080BF28A: 4E12    ldr     r6, =#0xFFFF0000
080BF28C: 4D12    ldr     r5, =#0x00010DCD
080BF28E: 4F13    ldr     r7, =#0x0000026F

080BF290: 00A2    lsl     r2, r4, #0x2					; r2 = Loop Counter * 4
080BF292: 4462    add     r2, r12					; r2 = Loop Counter * 4 + #$0203E9E0
080BF294: 1C19    add     r1, r3, #0x0					; r1 = Orig. r0
080BF296: 4031    and     r1, r6					; r1 AND #$FFFF0000
080BF298: 1C18    add     r0, r3, #0x0					; r0 = Orig. r0
080BF29A: 4368    mul     r0, r5					; r0 = Orig. r0 * #$10DCD
080BF29C: 1C43    add     r3, r0, #0x1					; r3 = Orig. r0 * #$10DCD + 1
080BF29E: 1C18    add     r0, r3, #0x0					; r0 = Orig. r0 * #$10DCD + 1
080BF2A0: 4030    and     r0, r6					; r0 = Orig. r0 * #$10DCD + 1 AND #$FFFF0000
080BF2A2: 0C00    lsr     r0, r0, #0x10					; Shift upper double byte in lower double byte
080BF2A4: 4301    orr     r1, r0					; Add Orig. r0 upper double byte
080BF2A6: 6011    str     r1, [r2]					; Store in $0203E9E0 + Loop Counter * 4
080BF2A8: 1C18    add     r0, r3, #0x0					; r0 = Orig. r0 * #$10DCD + 1
080BF2AA: 4368    mul     r0, r5					; r0 = (Orig. r0 * #$10DCD + 1) * #$10DCD
080BF2AC: 1C43    add     r3, r0, #0x1					; r3 = (Orig. r0 * #$10DCD + 1) * #$10DCD + 1
080BF2AE: 1C60    add     r0, r4, #0x1					; Increment Loop Counter
080BF2B0: 0400    lsl     r0, r0, #0x10					; Loop Counter AND #$0000FFFF
080BF2B2: 0C04    lsr     r4, r0, #0x10
080BF2B4: 42BC    cmp     r4, r7
080BF2B6: D9EB    bls     0x080BF290					; Loop until Loop Counter = #$270

080BF2B8: 209C    mov     r0, #0x9C
080BF2BA: 0080    lsl     r0, r0, #0x2
080BF2BC: 4641    mov     r1, r8
080BF2BE: 6008    str     r0, [r1]					; Store #$00000270 in $0203F3A0

080BF2C0: BC08    pop     {r3}
080BF2C2: 4698    mov     r8, r3
080BF2C4: BCF0    pop     {r4, r5, r6, r7}
080BF2C6: BC01    pop     {r0}
080BF2C8: 4700    bx      r0

;080BF2CA: 0000    lsl     r0, r0, #0x0
;080BF2CC: F3A0    bl       
;080BF2CE: 0203    lsl     r3, r0, #0x8
;080BF2D0: E9E0    ???      
;080BF2D2: 0203    lsl     r3, r0, #0x8
;080BF2D4: 0000    lsl     r0, r0, #0x0
;080BF2D6: FFFF    bl      0x080C02D6
;080BF2D8: 0DCD    lsr     r5, r1, #0x17
;080BF2DA: 0001    lsl     r1, r0, #0x0
;080BF2DC: 026F    lsl     r7, r5, #0x9
;080BF2DE: 0000    lsl     r0, r0, #0x0

$080BF2E0 - (Give out Random Number?)

I think this is a Random Number Generator.

$0203F3A0 contains the "controller" for this. If $0203F3A0 is less than #$270, it serves as an Index, which Random Number of the Random Number Table should be given out. Afterwards, $0203F3A0 is incremented. If it reaches #$270, the whole Number Table gets mixed up again. #$271 is the signal to set up the Random Number Table in the first place.

The Random number is given out in r0.

080BF2E0: B5F0    push    {r4, r5, r6, r7, lr}
080BF2E2: 464F    mov     r7, r9
080BF2E4: 4646    mov     r6, r8
080BF2E6: B4C0    push    {r6, r7}

080BF2E8: 483F    ldr     r0, =#0x0203F3A0
080BF2EA: 6802    ldr     r2, [r0]
080BF2EC: 493F    ldr     r1, =#0x0000026F
080BF2EE: 4680    mov     r8, r0						; r8 = r1 = #$0203F3A0
080BF2F0: 428A    cmp     r2, r1
080BF2F2: DD5D    ble     0x080BF3B0						; Skip almost to the end if $0203F3A0 is less than #$270

080BF2F4: 483E    ldr     r0, =#0x00000271
080BF2F6: 4282    cmp     r2, r0
080BF2F8: D102    bne     0x080BF300						; Branch if $0203F3A0 <> #$271

080BF2FA: 483E    ldr     r0, =#0x00001105
080BF2FC: F7FF    bl       
080BF2FE: FFBC    bl      0x080BF278

080BF300: 2300    mov     r3, #0x00
080BF302: 483D    ldr     r0, =#0x087DB748
080BF304: 4681    mov     r9, r0						; r9 = r0 = #$087DB748
080BF306: 4F3D    ldr     r7, =#0x0203E9E0
080BF308: 46CC    mov     r12, r9						; r12 = r9 = #$087DB748
080BF30A: 1C3D    add     r5, r7, #0x0						; r5 = r7 = #$0203E9E0

080BF30C: 682C    ldr     r4, [r5]						; r4 = [r5] (something around $0203E9E0)
080BF30E: 2680    mov     r6, #0x80
080BF310: 0636    lsl     r6, r6, #0x18						; r6 = #$80000000
080BF312: 4034    and     r4, r6						; r4 = MSB of the loaded value
080BF314: 6868    ldr     r0, [r5, #0x04]					; r0 = [r5 + 4] (something around $0203E9E0)
080BF316: 493A    ldr     r1, =#0x7FFFFFFF
080BF318: 4008    and     r0, r1						; r0 = Everything but the MSB of the loaded value
080BF31A: 4304    orr     r4, r0						; Add both to one another
080BF31C: 4939    ldr     r1, =#0x0000018D
080BF31E: 1858    add     r0, r3, r1						; r0 = Loop Counter + #$18D
080BF320: 0080    lsl     r0, r0, #0x2						; r0 = (Loop Counter + #$18D) * 4
080BF322: 19C0    add     r0, r0, r7						; r0 = $0203E9E0 + (Loop Counter + #$18D) * 4
080BF324: 0862    lsr     r2, r4, #0x1						; r2 = MSB + other stuff div 2
080BF326: 6801    ldr     r1, [r0]						; r1 = [$0203E9E0 + (Loop Counter + #$18D) * 4]
080BF328: 4051    eor     r1, r2						; ?
080BF32A: 2001    mov     r0, #0x01						; ?
080BF32C: 4004    and     r4, r0						; ?
080BF32E: 00A0    lsl     r0, r4, #0x2						; ?
080BF330: 4460    add     r0, r12						; ?
080BF332: 6800    ldr     r0, [r0]						; ?
080BF334: 4041    eor     r1, r0						; ?
080BF336: C502    stmia   r5!, {r1}						; Store r1 in r5, increment r5 afterwards
080BF338: 3301    add     r3, #0x01						; INC Loop Counter
080BF33A: 2BE2    cmp     r3, #0xE2
080BF33C: DDE6    ble     0x080BF30C						; Loop until r3 > #$E2 (= #226)

080BF33E: 4D32    ldr     r5, =#0x0000026E
080BF340: 42AB    cmp     r3, r5
080BF342: DC1A    bgt     0x080BF37A						; Branch if r3 > #$026E (don't know how this could ever be...?)
080BF344: 492D    ldr     r1, =#0x0203E9E0
080BF346: 4C2C    ldr     r4, =#0x087DB748
080BF348: 46A4    mov     r12, r4						; r12 = r4 = #$087DB748
080BF34A: 0098    lsl     r0, r3, #0x2						; r0 = r3 * 4
080BF34C: 1842    add     r2, r0, r1						; r2 = $0203E9E0 + r3 * 4
080BF34E: 4C2F    ldr     r4, =#0xFFFFFC74
080BF350: 1900    add     r0, r0, r4						; r0 = r3 * 4 - #$038C
080BF352: 1847    add     r7, r0, r1						; r7 = $0203E9E0 + (r3 * 4 - #$038C)

080BF354: 6814    ldr     r4, [r2]
080BF356: 4034    and     r4, r6						; MSB of Loaded byte
080BF358: 6850    ldr     r0, [r2, #0x04]
080BF35A: 4929    ldr     r1, =#0x7FFFFFFF
080BF35C: 4008    and     r0, r1						; Everything but the MSB of the loaded byte
080BF35E: 4304    orr     r4, r0						; Add both to one another
080BF360: 0860    lsr     r0, r4, #0x1						; ORRed value div 2
080BF362: CF02    ldmia   r7!, {r1}						; Load from r7 into r1, INC r7 afterwards
080BF364: 4041    eor     r1, r0						; ?
080BF366: 2001    mov     r0, #0x01						; ?
080BF368: 4004    and     r4, r0						; ?
080BF36A: 00A0    lsl     r0, r4, #0x2						; ?
080BF36C: 4460    add     r0, r12						; ?
080BF36E: 6800    ldr     r0, [r0]						; ?
080BF370: 4041    eor     r1, r0						; ?
080BF372: C202    stmia   r2!, {r1}						; Store r1 in r2, INC r2 afterwards
080BF374: 3301    add     r3, #0x01						; INC Loop Counetr
080BF376: 42AB    cmp     r3, r5
080BF378: DDEC    ble     0x080BF354						; Loop until r3 > #$26E

080BF37A: 4A20    ldr     r2, =#0x0203E9E0
080BF37C: 4824    ldr     r0, =#0x000009BC
080BF37E: 1813    add     r3, r2, r0	
080BF380: 681C    ldr     r4, [r3]						; r4 = [$0203F39C]
080BF382: 2080    mov     r0, #0x80
080BF384: 0600    lsl     r0, r0, #0x18
080BF386: 4004    and     r4, r0						; r4 = MSB of $0203F39C
080BF388: 6810    ldr     r0, [r2]						; r0 = [$0203E9E0]
080BF38A: 491D    ldr     r1, =#0x7FFFFFFF
080BF38C: 4008    and     r0, r1						; r0 = Everything but the MSB of $0203E9E0
080BF38E: 4304    orr     r4, r0						; but both together
080BF390: 21C6    mov     r1, #0xC6
080BF392: 00C9    lsl     r1, r1, #0x3						; r1 = #$0630
080BF394: 1852    add     r2, r2, r1						; r2 = $0203F010
080BF396: 0860    lsr     r0, r4, #0x1						; ORRed value div 2
080BF398: 6811    ldr     r1, [r2]						; r1 = [$0203F010]
080BF39A: 4041    eor     r1, r0						; ?
080BF39C: 2001    mov     r0, #0x01						; ?
080BF39E: 4004    and     r4, r0						; ?
080BF3A0: 00A0    lsl     r0, r4, #0x2						; ?
080BF3A2: 4448    add     r0, r9						; ?
080BF3A4: 6800    ldr     r0, [r0]						; ?
080BF3A6: 4041    eor     r1, r0						; ?
080BF3A8: 6019    str     r1, [r3]						; ?
080BF3AA: 2000    mov     r0, #0x00
080BF3AC: 4644    mov     r4, r8
080BF3AE: 6020    str     r0, [r4]						; Clear $0203F3A0

080BF3B0: 4A12    ldr     r2, =#0x0203E9E0
080BF3B2: 4640    mov     r0, r8
080BF3B4: 6801    ldr     r1, [r0]						; r1 = [$0203F3A0]
080BF3B6: 0088    lsl     r0, r1, #0x2						; r0 = Loaded Byte * 4
080BF3B8: 1880    add     r0, r0, r2						; r0 = $0203E9E0 + Loaded Byte * 4
080BF3BA: 6804    ldr     r4, [r0]						; r4 = [$0203E9E0 + Loaded Byte * 4]
080BF3BC: 3101    add     r1, #0x01						; INC r1 (Loaded Byte - Load index)
080BF3BE: 4640    mov     r0, r8
080BF3C0: 6001    str     r1, [r0]						; Store incremented Load Index back in $0203F3A0
080BF3C2: 0AE0    lsr     r0, r4, #0xB						; r0 = Second Loaded Byte >> #$B (= #11)
080BF3C4: 4044    eor     r4, r0						; r4 = r4 + (r4 >> #$B)
080BF3C6: 01E0    lsl     r0, r4, #0x7						; r0 = r4 << #$7
080BF3C8: 4912    ldr     r1, =#0x9D2C5680
080BF3CA: 4008    and     r0, r1						; ?
080BF3CC: 4044    eor     r4, r0						; ?
080BF3CE: 03E0    lsl     r0, r4, #0xF						; ?
080BF3D0: 4911    ldr     r1, =#0xEFC60000					; ?
080BF3D2: 4008    and     r0, r1						; ?
080BF3D4: 4044    eor     r4, r0						; ?
080BF3D6: 0CA0    lsr     r0, r4, #0x12						; ?
080BF3D8: 4044    eor     r4, r0						; ?
080BF3DA: 1C20    add     r0, r4, #0x0						; ?

080BF3DC: BC18    pop     {r3, r4}
080BF3DE: 4698    mov     r8, r3
080BF3E0: 46A1    mov     r9, r4
080BF3E2: BCF0    pop     {r4, r5, r6, r7}
080BF3E4: BC02    pop     {r1}
080BF3E6: 4708    bx      r1

;080BF3E8: F3A0    bl       
;080BF3EA: 0203    lsl     r3, r0, #0x8
;080BF3EC: 026F    lsl     r7, r5, #0x9
;080BF3EE: 0000    lsl     r0, r0, #0x0
;080BF3F0: 0271    lsl     r1, r6, #0x9
;080BF3F2: 0000    lsl     r0, r0, #0x0
;080BF3F4: 1105    asr     r5, r0, #0x4
;080BF3F6: 0000    lsl     r0, r0, #0x0
;080BF3F8: B748    push    {r3, r6, lr}
;080BF3FA: 087D    lsr     r5, r7, #0x1
;080BF3FC: E9E0    ???      
;080BF3FE: 0203    lsl     r3, r0, #0x8
;080BF400: FFFF    bl      0x082C3400
;080BF402: 7FFF    ldrb    r7, [r7, #0x1F]
;080BF404: 018D    lsl     r5, r1, #0x6
;080BF406: 0000    lsl     r0, r0, #0x0
;080BF408: 026E    lsl     r6, r5, #0x9
;080BF40A: 0000    lsl     r0, r0, #0x0
;080BF40C: FC74    bl      0x080BFCF6
;080BF40E: FFFF    bl      0x07D3440E
;080BF410: 09BC    lsr     r4, r7, #0x6
;080BF412: 0000    lsl     r0, r0, #0x0
;080BF414: 5680    ldsb    r0, [r0, r2]
;080BF416: 9D2C    ldr     r5, [sp, #0x0B0]
;080BF418: 0000    lsl     r0, r0, #0x0
;080BF41A: EFC6    ???

$080BF41C - (Jump?)

080BF41C: B500    push    {lr}
080BF41E: F79C    bl       
080BF420: F8AF    bl      0x0805B580
080BF422: BC01    pop     {r0}
080BF424: 4700    bx      r0

;080BF426: 0000    lsl     r0, r0, #0x0

$080BF428 - ?

080BF428: B500    push    {lr}
080BF42A: 0600    lsl     r0, r0, #0x18
080BF42C: 0E00    lsr     r0, r0, #0x18		; r0 AND #$000000FF
080BF42E: F79C    bl       
080BF430: F8B9    bl      0x0805B5A4		; ?
080BF432: BC01    pop     {r0}
080BF434: 4700    bx      r0
;080BF436: 0000    lsl     r0, r0, #0x0

$080BF4F0 - (Set $030017C8 = $030017C0 if it is = #$01)

080BF4F0: 4902    ldr     r1, =#0x030017C0
080BF4F2: 7808    ldrb    r0, [r1]
080BF4F4: 2801    cmp     r0, #0x01
080BF4F6: D100    bne     0x080BF4FA			; Exit if $030017C0 <> #$01
080BF4F8: 7208    strb    r0, [r1, #0x08]		; Else, set $030017C8 = #$01
080BF4FA: 4770    bx      lr

;080BF4FC: 17C0    asr     r0, r0, #0x1F
;080BF4FE: 0300    lsl     r0, r0, #0xC

$080BF54C - (Multiplayer-related?)

080BF54C: B530    push    {r4, r5, lr}
080BF54E: B081    add     sp, #-0x004

080BF550: 4810    ldr     r0, =#0x030017C0
080BF552: 7A00    ldrb    r0, [r0, #0x08]
080BF554: 2800    cmp     r0, #0x00
080BF556: D019    beq     0x080BF58C				; Exit if $030017C8 = #$00

080BF558: 4C0F    ldr     r4, =#0x04000128
080BF55A: 2500    mov     r5, #0x00
080BF55C: 8025    strh    r5, [r4]				; Inactivate SIO Control
080BF55E: 4669    mov     r1, sp
080BF560: 480E    ldr     r0, =#0x04000200
080BF562: 8800    ldrh    r0, [r0]				; Interrupt Enable Register
080BF564: 8008    strh    r0, [r1]				; Buffer Interrupt Flags on stack
080BF566: 4668    mov     r0, sp
080BF568: 8801    ldrh    r1, [r0]				; Load Interrupt Flags in r1
080BF56A: 2001    mov     r0, #0x01
080BF56C: 4008    and     r0, r1
080BF56E: 2800    cmp     r0, #0x00
080BF570: D001    beq     0x080BF576				; Branch if LCD V-Blank-Flag is disabled
080BF572: F000    bl       
080BF574: FA31    bl      0x080BF9D8				; Wait for VBLANK
080BF576: 480A    ldr     r0, =#0x04000134
080BF578: 8005    strh    r5, [r0]				; Clear RCNT (Mode Selection)
080BF57A: 2180    mov     r1, #0x80
080BF57C: 0189    lsl     r1, r1, #0x6			; r1 = #$2000
080BF57E: 1C08    add     r0, r1, #0x0			; r0 = #$2000
080BF580: 8020    strh    r0, [r4]				; $04000128 = #$2000
080BF582: 8820    ldrh    r0, [r4]
080BF584: 4A07    ldr     r2, =#0x00004003
080BF586: 1C11    add     r1, r2, #0x0
080BF588: 4308    orr     r0, r1
080BF58A: 8020    strh    r0, [r4]				; $04000128 = #$6003

; Shift Clock = Internal ; Internal Shift Clock: 2MHz ; IRQ Enable: Want IRQ upon completion)

080BF58C: B001    add     sp, #0x004
080BF58E: BC30    pop     {r4, r5}
080BF590: BC01    pop     {r0}
080BF592: 4700    bx      r0

;080BF594: 17C0    asr     r0, r0, #0x1F
;080BF596: 0300    lsl     r0, r0, #0xC
;080BF598: 0128    lsl     r0, r5, #0x4
;080BF59A: 0400    lsl     r0, r0, #0x10
;080BF59C: 0200    lsl     r0, r0, #0x8
;080BF59E: 0400    lsl     r0, r0, #0x10
;080BF5A0: 0134    lsl     r4, r6, #0x4
;080BF5A2: 0400    lsl     r0, r0, #0x10
;080BF5A4: 4003    and     r3, r0
;080BF5A6: 0000    lsl     r0, r0, #0x0

$080BF764 - (Register stuff around $030017C0 ?)

080BF764: B5F0    push    {r4, r5, r6, r7, lr}
080BF766: 4657    mov     r7, r10
080BF768: 464E    mov     r6, r9
080BF76A: 4645    mov     r5, r8
080BF76C: B4E0    push    {r5, r6, r7}
080BF76E: B082    add     sp, #-0x008

080BF770: 4681    mov     r9, r0
080BF772: 4B2B    ldr     r3, =#0x04000208
080BF774: 2100    mov     r1, #0x00
080BF776: 8019    strh    r1, [r3]			; Disable Interrupts
080BF778: 4D2A    ldr     r5, =#0x030017C0
080BF77A: 6B2C    ldr     r4, [r5, #0x30]
080BF77C: 6AE8    ldr     r0, [r5, #0x2C]
080BF77E: 6328    str     r0, [r5, #0x30]
080BF780: 62EC    str     r4, [r5, #0x2C]
080BF782: 79EA    ldrb    r2, [r5, #0x07]
080BF784: 71E9    strb    r1, [r5, #0x07]
080BF786: 2001    mov     r0, #0x01
080BF788: 8018    strh    r0, [r3]			; Enable Interrupts
080BF78A: 7129    strb    r1, [r5, #0x04]
080BF78C: 2A00    cmp     r2, #0x00
080BF78E: D039    beq     0x080BF804
080BF790: 2600    mov     r6, #0x00
080BF792: 78A8    ldrb    r0, [r5, #0x02]
080BF794: 4286    cmp     r6, r0
080BF796: D235    bcs     0x080BF804
080BF798: A801    add     r0, sp, #0x004
080BF79A: 4680    mov     r8, r0
080BF79C: 200D    mov     r0, #0x0D
080BF79E: 4240    neg     r0, r0
080BF7A0: 4682    mov     r10, r0
080BF7A2: 0070    lsl     r0, r6, #0x1
080BF7A4: 1980    add     r0, r0, r6
080BF7A6: 00C0    lsl     r0, r0, #0x3
080BF7A8: 6B29    ldr     r1, [r5, #0x30]
080BF7AA: 180C    add     r4, r1, r0
080BF7AC: 2000    mov     r0, #0x00
080BF7AE: 9000    str     r0, [sp]
080BF7B0: 2200    mov     r2, #0x00
080BF7B2: 1C77    add     r7, r6, #0x1
080BF7B4: 0050    lsl     r0, r2, #0x1
080BF7B6: 1900    add     r0, r0, r4
080BF7B8: 8801    ldrh    r1, [r0]
080BF7BA: 9800    ldr     r0, [sp]
080BF7BC: 1840    add     r0, r0, r1
080BF7BE: 9000    str     r0, [sp]
080BF7C0: 1C50    add     r0, r2, #0x1
080BF7C2: 0400    lsl     r0, r0, #0x10
080BF7C4: 0C02    lsr     r2, r0, #0x10
080BF7C6: 2A09    cmp     r2, #0x09
080BF7C8: D9F4    bls     0x080BF7B4
080BF7CA: 9800    ldr     r0, [sp]
080BF7CC: 0400    lsl     r0, r0, #0x10
080BF7CE: 1400    asr     r0, r0, #0x10
080BF7D0: 3404    add     r4, #0x04
080BF7D2: 4550    cmp     r0, r10
080BF7D4: D10A    bne     0x080BF7EC
080BF7D6: 0131    lsl     r1, r6, #0x4
080BF7D8: 4449    add     r1, r9
080BF7DA: 1C20    add     r0, r4, #0x0
080BF7DC: 4A12    ldr     r2, =#0x04000004		; Fill 4x4 Bytes
080BF7DE: F000    bl       
080BF7E0: F8E1    bl      0x080BF9A4			; swi CpuSet
080BF7E2: 2001    mov     r0, #0x01
080BF7E4: 40B0    lsl     r0, r6
080BF7E6: 7929    ldrb    r1, [r5, #0x04]
080BF7E8: 4308    orr     r0, r1
080BF7EA: 7128    strb    r0, [r5, #0x04]
080BF7EC: 2000    mov     r0, #0x00
080BF7EE: 9001    str     r0, [sp, #0x004]
080BF7F0: 4640    mov     r0, r8
080BF7F2: 1C21    add     r1, r4, #0x0
080BF7F4: 4A0D    ldr     r2, =#0x05000004		; Fill 4x4 Bytes with r0
080BF7F6: F000    bl       
080BF7F8: F8D5    bl      0x080BF9A4			; swi CpuSet
080BF7FA: 0438    lsl     r0, r7, #0x10
080BF7FC: 0C06    lsr     r6, r0, #0x10
080BF7FE: 78A8    ldrb    r0, [r5, #0x02]
080BF800: 4286    cmp     r6, r0
080BF802: D3CE    bcc     0x080BF7A2

080BF804: 4907    ldr     r1, =#0x030017C0
080BF806: 78C8    ldrb    r0, [r1, #0x03]
080BF808: 790A    ldrb    r2, [r1, #0x04]
080BF80A: 4310    orr     r0, r2
080BF80C: 70C8    strb    r0, [r1, #0x03]
080BF80E: 7908    ldrb    r0, [r1, #0x04]

080BF810: B002    add     sp, #0x008
080BF812: BC38    pop     {r3, r4, r5}
080BF814: 4698    mov     r8, r3
080BF816: 46A1    mov     r9, r4
080BF818: 46AA    mov     r10, r5
080BF81A: BCF0    pop     {r4, r5, r6, r7}
080BF81C: BC02    pop     {r1}
080BF81E: 4708    bx      r1

;080BF820: 0208    lsl     r0, r1, #0x8
;080BF822: 0400    lsl     r0, r0, #0x10
;080BF824: 17C0    asr     r0, r0, #0x1F
;080BF826: 0300    lsl     r0, r0, #0xC
;080BF828: 0004    lsl     r4, r0, #0x0
;080BF82A: 0400    lsl     r0, r0, #0x10
;080BF82C: 0004    lsl     r4, r0, #0x0
;080BF82E: 0500    lsl     r0, r0, #0x14

$080BF9E0 - (Store to SRAM, wait, store to SRAM, wait)

080BF9E0: B530    push    {r4, r5, lr}
080BF9E2: B091    add     sp, #-0x044
080BF9E4: 4668    mov     r0, sp

080BF9E6: F000    bl       
080BF9E8: F937    bl      0x080BFC58			; Transfer #$47707800 to  address in r0 + #$01

080BF9EA: 466D    mov     r5, sp
080BF9EC: 3501    add     r5, #0x01			; r5 = sp + #$01

080BF9EE: 4A06    ldr     r2, =#0x0E005555		; SRAM
080BF9F0: 20AA    mov     r0, #0xAA
080BF9F2: 7010    strb    r0, [r2]			; $0E005555 = #$AA
080BF9F4: 4905    ldr     r1, =#0x0E002AAA
080BF9F6: 2055    mov     r0, #0x55
080BF9F8: 7008    strb    r0, [r1]			; $0E002AAA = #$55
080BF9FA: 2090    mov     r0, #0x90
080BF9FC: 7010    strb    r0, [r2]			; $0E005555 = #$90
080BF9FE: A910    add     r1, sp, #0x040		; r1 = $03007E98 (when sp is $03007E58)
080BFA00: 4A03    ldr     r2, =#0x00004E20
080BFA02: 1C10    add     r0, r2, #0x0			; r0 = $00004E20 (Set up counter for a waiting loop)
080BFA04: E008    b       0x080BFA18

;DATA
;===================
;080BFA06: 0000    lsl     r0, r0, #0x0
;080BFA08: 5555    strb    r5, [r2, r5]
;080BFA0A: 0E00    lsr     r0, r0, #0x18
;080BFA0C: 2AAA    cmp     r2, #0xAA
;080BFA0E: 0E00    lsr     r0, r0, #0x18
;080BFA10: 4E20    ldr     r6, =#0x0000E007
;080BFA12: 0000    lsl     r0, r0, #0x0

; WAITING LOOP
080BFA14: 8808    ldrh    r0, [r1]			; load value in sp, #0x040
080BFA16: 3801    sub     r0, #0x01			; decrement value
080BFA18: 8008    strh    r0, [r1]			; store value in sp, #0x040
080BFA1A: 8808    ldrh    r0, [r1]			; load value in sp, #0x040
080BFA1C: 2800    cmp     r0, #0x00			; is it 0?
080BFA1E: D1F9    bne     0x080BFA14			; If not, loop

080BFA20: 480B    ldr     r0, =#0x0E000001
080BFA22: F000    bl       
080BFA24: FDA9    bl      0x080C0578
; 080C0578 is: bx r5, here is r5 = 03007E59
; Jumps to 03007E58
	03007E58: 7800    ldrb    r0, [r0]
	; before: r0 = 0E000001 (SRAM)
	; after: r0 = 1B
	03007E5A: 4770    bx      lr

080BFA26: 0600    lsl     r0, r0, #0x18		; turns 0000001B into 1B000000
080BFA28: 0C04    lsr     r4, r0, #0x10		; turns 1B000000 into 00001B00
080BFA2A: 20E0    mov     r0, #0xE0
080BFA2C: 0500    lsl     r0, r0, #0x14		; r0 0E000000
080BFA2E: F000    bl       
080BFA30: FDA3    bl      0x080C0578
; 080C0578 is: bx r5, here is r5 = 03007E59
; Jumps to 03007E58
	03007E58: 7800    ldrb    r0, [r0]
	; before: r0 = 0E000000 (SRAM)
	; after: r0 = 32
	03007E5A: 4770    bx      lr

080BFA32: 0600    lsl     r0, r0, #0x18		; Is the same as
080BFA34: 0E00    lsr     r0, r0, #0x18		; AND #$000000FF
080BFA36: 4304    orr     r4, r0			; Adds to the 00001B00 (= 00001B32)

080BFA38: 4A06    ldr     r2, =#0x0E005555
080BFA3A: 20AA    mov     r0, #0xAA
080BFA3C: 7010    strb    r0, [r2]
080BFA3E: 4906    ldr     r1, =#0x0E002AAA
080BFA40: 2055    mov     r0, #0x55
080BFA42: 7008    strb    r0, [r1]
080BFA44: 20F0    mov     r0, #0xF0
080BFA46: 7010    strb    r0, [r2]
080BFA48: A910    add     r1, sp, #0x040
080BFA4A: 4A04    ldr     r2, =#0x00004E20
080BFA4C: 1C10    add     r0, r2, #0x0
080BFA4E: E009    b       0x080BFA64

;DATA
;===================
;080BFA50: 0001    lsl     r1, r0, #0x0
;080BFA52: 0E00    lsr     r0, r0, #0x18
;080BFA54: 5555    strb    r5, [r2, r5]
;080BFA56: 0E00    lsr     r0, r0, #0x18
;080BFA58: 2AAA    cmp     r2, #0xAA
;080BFA5A: 0E00    lsr     r0, r0, #0x18
;080BFA5C: 4E20    ldr     r6, =#0x49096008
;080BFA5E: 0000    lsl     r0, r0, #0x0

080BFA60: 8808    ldrh    r0, [r1]
080BFA62: 3801    sub     r0, #0x01
080BFA64: 8008    strh    r0, [r1]
080BFA66: 8808    ldrh    r0, [r1]
080BFA68: 2800    cmp     r0, #0x00
080BFA6A: D1F9    bne     0x080BFA60
080BFA6C: 1C20    add     r0, r4, #0x0
080BFA6E: B011    add     sp, #0x044
080BFA70: BC30    pop     {r4, r5}
080BFA72: BC02    pop     {r1}
080BFA74: 4708    bx      r1
;080BFA76: 0000    lsl     r0, r0, #0x0

$080BFA78 - (Load a set of values according to two SRAM bytes)

080BFA78: B510    push    {r4, lr}

080BFA7A: 4A07    ldr     r2, =#0x04000204			; SET SRAM WAIT CONTROL TO 8 CYCLES
080BFA7C: 8810    ldrh    r0, [r2]				; Load Waitstate Control
080BFA7E: 4907    ldr     r1, =#0x0000FFFC
080BFA80: 4008    and     r0, r1				; Remove old SRAM Wait Control value
080BFA82: 2103    mov     r1, #0x03
080BFA84: 4308    orr     r0, r1				; Set new SRAM Wait Control to #%..11 = 8 cycles
080BFA86: 8010    strh    r0, [r2]				; Store value back

080BFA88: F7FF    bl       
080BFA8A: FFAA    bl      0x080BF9E0				; Store in SRAM, wait, store in SRAM, wait

080BFA8C: 0400    lsl     r0, r0, #0x10
080BFA8E: 0C03    lsr     r3, r0, #0x10				; r3 has two bytes from SRAM (AND #$0000FFFF)
080BFA90: 4A03    ldr     r2, =#0x080C52EC
080BFA92: 2401    mov     r4, #0x01
080BFA94: E007    b       0x080BFAA6

;080BFA96: 0000    lsl     r0, r0, #0x0
;080BFA98: 0204    lsl     r4, r0, #0x8
;080BFA9A: 0400    lsl     r0, r0, #0x10
;080BFA9C: FFFC    bl      0x07CC0A96
;080BFA9E: 0000    lsl     r0, r0, #0x0
;080BFAA0: 52EC    strh    r4, [r5, r3]
;080BFAA2: 080C    lsr     r4, r1, #0x0
 
080BFAA4: 3204    add     r2, #0x04
080BFAA6: 6811    ldr     r1, [r2]				; Load address from address table	- $080C53DC
080BFAA8: 1C08    add     r0, r1, #0x0				; transfer address to r0
080BFAAA: 3028    add     r0, #0x28				; Add #$28 to address in r0		- $080C5404
080BFAAC: 7800    ldrb    r0, [r0]				; Load *byte*
080BFAAE: 2800    cmp     r0, #0x00
080BFAB0: D003    beq     0x080BFABA				; Leave Loop if loaded byte is #$00
080BFAB2: 8D08    ldrh    r0, [r1, #0x28]			; else, load byte with adjacent byte again
080BFAB4: 4283    cmp     r3, r0				; Is it the same as the loaded SRAM byte?
080BFAB6: D1F5    bne     0x080BFAA4				; Loop if both are not the same (and load the next from the table)

080BFAB8: 2400    mov     r4, #0x00
080BFABA: 490E    ldr     r1, =#0x0203F3C0
080BFABC: 6810    ldr     r0, [r2]				; Load last address from Address Table
080BFABE: 6800    ldr     r0, [r0]				; Load 64-bit-value from that address
080BFAC0: 6008    str     r0, [r1]				; Store that value in $0203F3C0

080BFAC2: 490D    ldr     r1, =#0x0203F3CC
080BFAC4: 6810    ldr     r0, [r2]
080BFAC6: 6840    ldr     r0, [r0, #0x04]
080BFAC8: 6008    str     r0, [r1]				; Store second value in $0203F3CC

080BFACA: 490C    ldr     r1, =#0x0203F3D0
080BFACC: 6810    ldr     r0, [r2]
080BFACE: 6880    ldr     r0, [r0, #0x08]
080BFAD0: 6008    str     r0, [r1]				; Store third value in $0203F3D0
080BFAD2: 490B    ldr     r1, =#0x0203F3BC
080BFAD4: 6810    ldr     r0, [r2]
080BFAD6: 68C0    ldr     r0, [r0, #0x0C]
080BFAD8: 6008    str     r0, [r1]				; Store fourth value in $0203F3BC

080BFADA: 490A    ldr     r1, =#0x0203F3A4
080BFADC: 6810    ldr     r0, [r2]
080BFADE: 6900    ldr     r0, [r0, #0x10]
080BFAE0: 6008    str     r0, [r1]				; Store fifth value in $0203F3A4

080BFAE2: 4909    ldr     r1, =#0x0203F3C4
080BFAE4: 6810    ldr     r0, [r2]
080BFAE6: 3014    add     r0, #0x14
080BFAE8: 6008    str     r0, [r1]				; Store sixth value in $0203F3C4

080BFAEA: 1C20    add     r0, r4, #0x0
080BFAEC: BC10    pop     {r4}
080BFAEE: BC02    pop     {r1}
080BFAF0: 4708    bx      r1

;080BFAF2: 0000    lsl     r0, r0, #0x0
;080BFAF4: F3C0    bl       
;080BFAF6: 0203    lsl     r3, r0, #0x8
;080BFAF8: F3CC    bl       
;080BFAFA: 0203    lsl     r3, r0, #0x8
;080BFAFC: F3D0    bl       
;080BFAFE: 0203    lsl     r3, r0, #0x8
;080BFB00: F3BC    bl       
;080BFB02: 0203    lsl     r3, r0, #0x8
;080BFB04: F3A4    bl       
;080BFB06: 0203    lsl     r3, r0, #0x8
;080BFB08: F3C4    bl       
;080BFB0A: 0203    lsl     r3, r0, #0x8

$080BFB0D - Data for $080BFB30

$080BFB0D-10: #$00880849

$080BFB0D: #$49
$080BFB0E: #$08
$080BFB0F: #$88
$080BFB10: #$00

$080BFB30 - ?

r1 contains an address. In that address "#$080BFB0D" gets stored.

r0 contains a timer number, so it must be between #$00 and #$03. If its higher than that, this subroutine exits. In the end, bit 0 of r0 is used as a flag: If it did not work, that flag is set; if everything's fine, it's clear.

This subroutine stores the timer number byte (#$00-#$03) in $0203F3AC and the Timer Counter/Reload Register ($04000100, $04000104,...) in $0203F3B4.

080BFB30: 1C0A    add     r2, r1, #0x0
080BFB32: 0600    lsl     r0, r0, #0x18
080BFB34: 0E01    lsr     r1, r0, #0x18		; r1 = r0 + AND #$000000FF
080BFB36: 2903    cmp     r1, #0x03
080BFB38: D814    bhi     0x080BFB64			; Exit if r1 is bigger than #$03 (Invalid timer number)

080BFB3A: 4806    ldr     r0, =#0x0203F3AC
080BFB3C: 7001    strb    r1, [r0]			; Store byte in $0203F3AC
080BFB3E: 4906    ldr     r1, =#0x0203F3B4
080BFB40: 7800    ldrb    r0, [r0]			; Load the byte back from $0203F3AC
080BFB42: 0080    lsl     r0, r0, #0x2			; * 4
080BFB44: 4B05    ldr     r3, =#0x04000100
080BFB46: 18C0    add     r0, r0, r3			; 04000100 + that byte * 4
080BFB48: 6008    str     r0, [r1]			; Store it in $0203F3B4
080BFB4A: 4805    ldr     r0, =#0x080BFB0D
080BFB4C: 6010    str     r0, [r2]			; Store $080BFB0D in the Register that was brought in here (in r1, originally)
080BFB4E: 2000    mov     r0, #0x00			; Set r0 to 0 if Original r0 was lower than #$04
080BFB50: E009    b       0x080BFB66

;080BFB52: 0000    lsl     r0, r0, #0x0
;080BFB54: F3AC    bl       
;080BFB56: 0203    lsl     r3, r0, #0x8
;080BFB58: F3B4    bl       
;080BFB5A: 0203    lsl     r3, r0, #0x8
;080BFB5C: 0100    lsl     r0, r0, #0x4
;080BFB5E: 0400    lsl     r0, r0, #0x10
;080BFB60: FB0D    bl      0x07CC017C
;080BFB62: 080B    lsr     r3, r1, #0x0

080BFB64: 2001    mov     r0, #0x01			; Set r0 to 1 if Original r0 was higher than #$03
080BFB66: 4770    bx      lr

$080BFC54 - (Data for Subroutine below)

; TRANSFERED DATA 
; 080BFC54: #$00		store in r0 + 1
; 080BFC55: #$78		store in r0 + 2
; 080BFC56: #$70		store in r0 + 3
; 080BFC57: #$47		store in r0 + 4

$080BFC58 - (Transfer #$47707800 to address in r0 + #$01)

When this is called in the Intro, r0 is $03007E57 at start, so it transfers to $03007E58 to $03007E5B.

I don't know if it is ever called outside the intro again.

080BFC58: 1C02    add     r2, r0, #0x0
080BFC5A: 4905    ldr     r1, =#0x0203F3A8
080BFC5C: 1C50    add     r0, r2, #0x1
080BFC5E: 6008    str     r0, [r1]				; Store  r0's original value plus 1  in $0203F3A8

080BFC60: 4B04    ldr     r3, =#0x080BFC55
080BFC62: 2001    mov     r0, #0x01
080BFC64: 4043    eor     r3, r0				; r3 = r3 - 1
080BFC66: 4804    ldr     r0, =#0x080BFC59
080BFC68: 4902    ldr     r1, =#0x080BFC55
080BFC6A: 1A40    sub     r0, r0, r1
080BFC6C: 03C0    lsl     r0, r0, #0xF				; r0 = #$00020000
080BFC6E: E00B    b       0x080BFC88

;DATA
;===================
;080BFC70: F3A8    bl       
;080BFC72: 0203    lsl     r3, r0, #0x8
;080BFC74: FC55    bl      0x082C3520
;080BFC76: 080B    lsr     r3, r1, #0x0
;080BFC78: FC59    bl      0x080CB52C
;080BFC7A: 080B    lsr     r3, r1, #0x0

080BFC7C: 8818    ldrh    r0, [r3]
080BFC7E: 8010    strh    r0, [r2]
080BFC80: 3302    add     r3, #0x02
080BFC82: 3202    add     r2, #0x02
080BFC84: 1E48    sub     r0, r1, #0x1				; decrement counter
080BFC86: 0400    lsl     r0, r0, #0x10				; r0 * 10000

080BFC88: 0C01    lsr     r1, r0, #0x10				; r0 / 10000
080BFC8A: 2900    cmp     r1, #0x00
080BFC8C: D1F6    bne     0x080BFC7C
080BFC8E: 4770    bx      lr

$080BFD40 - (Transfer from SRAM to WRAM)

; r0 = New value for Waitstate Control ($04000204)

080BFD40: B5F0    push    {r4, r5, r6, r7, lr}
080BFD42: B0A0    add     sp, #-0x080

080BFD44: 1C0D    add     r5, r1, #0x0
080BFD46: 1C16    add     r6, r2, #0x0
080BFD48: 1C1F    add     r7, r3, #0x0
080BFD4A: 0400    lsl     r0, r0, #0x10
080BFD4C: 0C04    lsr     r4, r0, #0x10			; r4 = r0 + AND #$0000FFFF

; Set SRAM Wait control to 8 cycles
080BFD4E: 4A08    ldr     r2, =#0x04000204
080BFD50: 8810    ldrh    r0, [r2]				; Load old value of $4000204 (Waitstate control)
080BFD52: 4908    ldr     r1, =#0x0000FFFC
080BFD54: 4008    and     r0, r1				; Remove old bits for SRAM Wait contrl
080BFD56: 2103    mov     r1, #0x03
080BFD58: 4308    orr     r0, r1				; Add two set bits for 8 cycle SRAM Wait control
080BFD5A: 8010    strh    r0, [r2]				; Store new value back to $4000204

; Prepare for Code Transfer from ROM to WRAM
080BFD5C: 4B06    ldr     r3, =#0x080BFD1D
080BFD5E: 2001    mov     r0, #0x01
080BFD60: 4043    eor     r3, r0				; r3 = #$080BFD1C
080BFD62: 466A    mov     r2, sp				; r2 = sp
080BFD64: 4805    ldr     r0, =#0x080BFD41
080BFD66: 4904    ldr     r1, =#0x080BFD1D
080BFD68: 1A40    sub     r0, r0, r1
080BFD6A: 03C0    lsl     r0, r0, #0xF			; r0 = #$00120000
080BFD6C: E00E    b       0x080BFD8C
;080BFD6E: 0000    lsl     r0, r0, #0x0
;080BFD70: 0204    lsl     r4, r0, #0x8
;080BFD72: 0400    lsl     r0, r0, #0x10
;080BFD74: FFFC    bl      0x07CC0D6E
;080BFD76: 0000    lsl     r0, r0, #0x0
;080BFD78: FD1D    bl      0x080C07B4
;080BFD7A: 080B    lsr     r3, r1, #0x0
;080BFD7C: FD41    bl      0x080CB800
;080BFD7E: 080B    lsr     r3, r1, #0x0

; Transfer $12 doublebytes (makes thirty-six bytes) from $080BFD1C to stack (the code that gets executed afterwards)
080BFD80: 8818    ldrh    r0, [r3]
080BFD82: 8010    strh    r0, [r2]
080BFD84: 3302    add     r3, #0x02		; Increment Load Address
080BFD86: 3202    add     r2, #0x02		; Increment Store Address
080BFD88: 1E48    sub     r0, r1, #0x1		; Decrement counter
080BFD8A: 0400    lsl     r0, r0, #0x10
080BFD8C: 0C01    lsr     r1, r0, #0x10
080BFD8E: 2900    cmp     r1, #0x00
080BFD90: D1F6    bne     0x080BFD80

; Prepare for Code execution
080BFD92: 466B    mov     r3, sp
080BFD94: 3301    add     r3, #0x01
080BFD96: 4808    ldr     r0, =#0x080C53B0
080BFD98: 7F00    ldrb    r0, [r0, #0x1C]		; r0 = [$080C53CC] = #$0C
080BFD9A: 4084    lsl     r4, r0			; LSL r4, #$0C
080BFD9C: 1C20    add     r0, r4, #0x0
080BFD9E: 22E0    mov     r2, #0xE0
080BFDA0: 0512    lsl     r2, r2, #0x14		; r2 = #$0E000000
080BFDA2: 18A9    add     r1, r5, r2
080BFDA4: 1840    add     r0, r0, r1
080BFDA6: 1C31    add     r1, r6, #0x0
080BFDA8: 1C3A    add     r2, r7, #0x0
080BFDAA: F000    bl       
080BFDAC: FBE1    bl      0x080C0570		; bx r3, r3 = 03006DF1

	; r0 = address from where to load
	; r1 = address where to store
	; r2 = number of bytes to transfer
	
	03006DF0: B510    push    {r4, lr}
	
	03006DF2: 1C04    add     r4, r0, #0x0
	03006DF4: 1E53    sub     r3, r2, #0x1	; r3 is the counter value. It has to get decremented, because the loop isn't left at 0, but one repition after
	03006DF6: 2A00    cmp     r2, #0x00
	03006DF8: D008    beq     0x03006E0C	; if r2 = 0, exit
	
	03006DFA: 2201    mov     r2, #0x01
	03006DFC: 4252    neg     r2, r2		; r2 = #$FFFFFFFF
	
	03006DFE: 7820    ldrb    r0, [r4]
	03006E00: 7008    strb    r0, [r1]
	03006E02: 3401    add     r4, #0x01
	03006E04: 3101    add     r1, #0x01
	03006E06: 3B01    sub     r3, #0x01
	03006E08: 4293    cmp     r3, r2
	03006E0A: D1F8    bne     0x03006DFE
	
	03006E0C: BC10    pop     {r4}
	03006E0E: BC01    pop     {r0}
	03006E10: 4700    bx      r0

080BFDAE: B020    add     sp, #0x080
080BFDB0: BCF0    pop     {r4, r5, r6, r7}
080BFDB2: BC01    pop     {r0}
080BFDB4: 4700    bx      r0
;080BFDB6: 0000    lsl     r0, r0, #0x0
;080BFDB8: 53B0    strh    r0, [r6, r6]
;080BFDBA: 080C    lsr     r4, r1, #0x0

$080BFDEC - Check Data transfered from SRAM

This transfers a Subroutine from ROM to WRAM (stuff in WRAM can get executed faster) and jumps there.

This compares stuff from SRAM with something different. In the Intro, this is used to compare data that was transfered from SRAM to WRAM before ($080BFD40) with it's original material, so it checks if the transfer worked without any mistake. If a mistake happened, r0 contains the (WRAM) address of the byte that differs. If everything worked fine, r0 = #$00

080BFDEC: B530    push    {r4, r5, lr}
080BFDEE: B0C0    add     sp, #-0x100

080BFDF0: 1C0D    add     r5, r1, #0x0
080BFDF2: 0400    lsl     r0, r0, #0x10
080BFDF4: 0C04    lsr     r4, r0, #0x10			; r4 = r0 + AND #$0000FFFF

; Set SRAM Wait control to 8 cycles
080BFDF6: 4A08    ldr     r2, =#0x04000204
080BFDF8: 8810    ldrh    r0, [r2]				; Load old value of $4000204 (Waitstate control)
080BFDFA: 4908    ldr     r1, =#0x0000FFFC
080BFDFC: 4008    and     r0, r1				; Remove old bits for SRAM Wait contrl
080BFDFE: 2103    mov     r1, #0x03
080BFE00: 4308    orr     r0, r1				; Add two set bits for 8 cycle SRAM Wait control
080BFE02: 8010    strh    r0, [r2]				; Store new value back to $4000204

080BFE04: 4B06    ldr     r3, =#0x080BFDBD
080BFE06: 2001    mov     r0, #0x01
080BFE08: 4043    eor     r3, r0				; r3 = #$080BFDBC
080BFE0A: 466A    mov     r2, sp
080BFE0C: 4805    ldr     r0, =#0x080BFDED
080BFE0E: 4904    ldr     r1, =#0x080BFDBD
080BFE10: 1A40    sub     r0, r0, r1
080BFE12: 03C0    lsl     r0, r0, #0xF				; r0 = #$00180000
080BFE14: E00E    b       0x080BFE34

;DATA
;==============
;080BFE16: 0000    lsl     r0, r0, #0x0
;080BFE18: 0204    lsl     r4, r0, #0x8
;080BFE1A: 0400    lsl     r0, r0, #0x10
;080BFE1C: FFFC    bl      0x07CC0E16
;080BFE1E: 0000    lsl     r0, r0, #0x0
;080BFE20: FDBD    bl      0x080C099C
;080BFE22: 080B    lsr     r3, r1, #0x0
;080BFE24: FDED    bl      0x080CBA00
;080BFE26: 080B    lsr     r3, r1, #0x0

; This transfers the Code from 080BFDBD to $03006D78. Afterwards, it's executed. Look below.
080BFE28: 8818    ldrh    r0, [r3]
080BFE2A: 8010    strh    r0, [r2]
080BFE2C: 3302    add     r3, #0x02
080BFE2E: 3202    add     r2, #0x02
080BFE30: 1E48    sub     r0, r1, #0x1
080BFE32: 0400    lsl     r0, r0, #0x10
080BFE34: 0C01    lsr     r1, r0, #0x10
080BFE36: 2900    cmp     r1, #0x00
080BFE38: D1F6    bne     0x080BFE28

080BFE3A: 466B    mov     r3, sp
080BFE3C: 3301    add     r3, #0x01			; Set up the Address where to jump
080BFE3E: 4807    ldr     r0, =#0x080C53B0
080BFE40: 7F01    ldrb    r1, [r0, #0x1C]
080BFE42: 408C    lsl     r4, r1
080BFE44: 1C21    add     r1, r4, #0x0
080BFE46: 22E0    mov     r2, #0xE0
080BFE48: 0512    lsl     r2, r2, #0x14			; r2 = $0E000000
080BFE4A: 1889    add     r1, r1, r2			; r1 is always SRAM ($0E.....)
080BFE4C: 8B02    ldrh    r2, [r0, #0x18]
080BFE4E: 1C28    add     r0, r5, #0x0
080BFE50: F000    bl       
080BFE52: FB8E    bl      0x080C0570
	; 080C0570 is a "bx r3". r3 contains $03006D79.
	03006D78: B530    push    {r4, r5, lr}
	03006D7A: 1C05    add     r5, r0, #0x0		; r5 = r0 (Load Address 1)
	03006D7C: 1C0B    add     r3, r1, #0x0		; r3 = r1 (Load Address 2)
	03006D7E: 1E54    sub     r4, r2, #0x1
	03006D80: 2A00    cmp     r2, #0x00
	03006D82: D00C    beq     0x03006D9E		; direct exit if r2 (number of bytes to transfer) is = 0
	
	03006D84: 2201    mov     r2, #0x01
	03006D86: 4252    neg     r2, r2
	
	03006D88: 7819    ldrb    r1, [r3]			; Load byte from Load Address 2
	03006D8A: 7828    ldrb    r0, [r5]			; Load byte from Load Address 1
	03006D8C: 3501    add     r5, #0x01		; Increment Load Address 1
	03006D8E: 3301    add     r3, #0x01		; Increment Load Address 2
	03006D90: 4281    cmp     r1, r0			; Compare both values
	03006D92: D001    beq     0x03006D98		; do next byte if they are the same
	03006D94: 1E58    sub     r0, r3, #0x1			; If they are not the same, r0 is the Byte of Load Address 2 which is incorrect
	03006D96: E003    b       0x03006DA0			; This loop (and Subroutine) is left after the first differing
	03006D98: 3C01    sub     r4, #0x01		; Decrement counter
	03006D9A: 4294    cmp     r4, r2			; Is counter less than 0?
	03006D9C: D1F4    bne     0x03006D88		; If not: Loop
	
	03006D9E: 2000    mov     r0, #0x00
	03006DA0: BC30    pop     {r4, r5}
	03006DA2: BC02    pop     {r1}
	03006DA4: 4708    bx      r1

080BFE54: B040    add     sp, #0x100
080BFE56: BC30    pop     {r4, r5}
080BFE58: BC02    pop     {r1}
080BFE5A: 4708    bx      r1

; DATA
; ======================
;080BFE5C: 53B0    strh    r0, [r6, r6]
;080BFE5E: 080C    lsr     r4, r1, #0x0

$080C0568 - bx r1

080C0568: 4708    bx      r1
080C056A: 46C0    mov     r8, r8

$080C0708 - ?

r0 and r1 contain values that form a certain value as a result. This results is in r0 in the end (it gets calculated in r2). If r1 = #$01, this subroutine gets exited with r0 = #$00 (this seems not to happen).


080C0708: 2900    cmp     r1, #0x00
080C070A: D034    beq     0x080C0776				; If r1 = #$00, exit with r0 = #$00

080C070C: 2301    mov     r3, #0x01
080C070E: 2200    mov     r2, #0x00
080C0710: B410    push    {r4}
080C0712: 4288    cmp     r0, r1
080C0714: D32C    bcc     0x080C0770				; If r0 < r1, exit with r0 = #$00
080C0716: 2401    mov     r4, #0x01
080C0718: 0724    lsl     r4, r4, #0x1C				; r4 = #$10000000

;First Loop
080C071A: 42A1    cmp     r1, r4
080C071C: D204    bcs     0x080C0728				; (Branch is not taken if r1 > r4)
080C071E: 4281    cmp     r1, r0
080C0720: D202    bcs     0x080C0728				; (Branch is not taken if r1 > r0, branch is taken if r1 < r0)
080C0722: 0109    lsl     r1, r1, #0x4
080C0724: 011B    lsl     r3, r3, #0x4
080C0726: E7F8    b       0x080C071A				; Loop

080C0728: 00E4    lsl     r4, r4, #0x3				; r4 = #$80000000

;Second Loop
080C072A: 42A1    cmp     r1, r4
080C072C: D204    bcs     0x080C0738				; (Branch is not taken if r1 > r4)
080C072E: 4281    cmp     r1, r0
080C0730: D202    bcs     0x080C0738				; (Branch is not taken if r1 > r0, branch is taken if r1 < r0)
080C0732: 0049    lsl     r1, r1, #0x1
080C0734: 005B    lsl     r3, r3, #0x1
080C0736: E7F8    b       0x080C072A				; Loop

;Third Loop
080C0738: 4288    cmp     r0, r1
080C073A: D301    bcc     0x080C0740				; (Branch is taken if r0 < r1)
080C073C: 1A40    sub     r0, r0, r1
080C073E: 431A    orr     r2, r3
080C0740: 084C    lsr     r4, r1, #0x1
080C0742: 42A0    cmp     r0, r4
080C0744: D302    bcc     0x080C074C				; (Branch is only(!) taken if r0 < r4)
080C0746: 1B00    sub     r0, r0, r4
080C0748: 085C    lsr     r4, r3, #0x1
080C074A: 4322    orr     r2, r4
080C074C: 088C    lsr     r4, r1, #0x2
080C074E: 42A0    cmp     r0, r4
080C0750: D302    bcc     0x080C0758				; (Branch is only(!) taken if r0 < r4)
080C0752: 1B00    sub     r0, r0, r4
080C0754: 089C    lsr     r4, r3, #0x2
080C0756: 4322    orr     r2, r4
080C0758: 08CC    lsr     r4, r1, #0x3
080C075A: 42A0    cmp     r0, r4
080C075C: D302    bcc     0x080C0764				; (Branch is only(!) taken if r0 < r4)
080C075E: 1B00    sub     r0, r0, r4
080C0760: 08DC    lsr     r4, r3, #0x3
080C0762: 4322    orr     r2, r4
080C0764: 2800    cmp     r0, #0x00
080C0766: D003    beq     0x080C0770
080C0768: 091B    lsr     r3, r3, #0x4
080C076A: D001    beq     0x080C0770
080C076C: 0909    lsr     r1, r1, #0x4
080C076E: E7E3    b       0x080C0738

080C0770: 1C10    add     r0, r2, #0x0
080C0772: BC10    pop     {r4}
080C0774: 46F7    mov     pc, lr				; Exit

080C0776: B500    push {lr}
080C0778: F7FF    bl       
080C077A: FF5C    bl      0x080C0634				; Pushes lr back into pc: Direct return without sense
								; After testing it seems like its never executed
080C077C: 2000    mov     r0, #0x00
080C077E: BD00    pop     {pc}

$080C0708 - ($080C0840?)

These are maybe two separate subroutines.

080C0780: 2900    cmp     r1, #0x00
080C0782: D058    beq     0x080C0836
080C0784: 2301    mov     r3, #0x01
080C0786: 4288    cmp     r0, r1
080C0788: D200    bcs     0x080C078C

080C078A: 46F7    mov     pc, lr				; Exit

080C078C: B410    push    {r4}
080C078E: 2401    mov     r4, #0x01
080C0790: 0724    lsl     r4, r4, #0x1C
080C0792: 42A1    cmp     r1, r4
080C0794: D204    bcs     0x080C07A0
080C0796: 4281    cmp     r1, r0
080C0798: D202    bcs     0x080C07A0
080C079A: 0109    lsl     r1, r1, #0x4
080C079C: 011B    lsl     r3, r3, #0x4
080C079E: E7F8    b       0x080C0792
080C07A0: 00E4    lsl     r4, r4, #0x3
080C07A2: 42A1    cmp     r1, r4
080C07A4: D204    bcs     0x080C07B0
080C07A6: 4281    cmp     r1, r0
080C07A8: D202    bcs     0x080C07B0
080C07AA: 0049    lsl     r1, r1, #0x1
080C07AC: 005B    lsl     r3, r3, #0x1
080C07AE: E7F8    b       0x080C07A2

080C07B0: 2200    mov     r2, #0x00
080C07B2: 4288    cmp     r0, r1
080C07B4: D300    bcc     0x080C07B8
080C07B6: 1A40    sub     r0, r0, r1
080C07B8: 084C    lsr     r4, r1, #0x1
080C07BA: 42A0    cmp     r0, r4
080C07BC: D305    bcc     0x080C07CA
080C07BE: 1B00    sub     r0, r0, r4
080C07C0: 469C    mov     r12, r3
080C07C2: 2401    mov     r4, #0x01
080C07C4: 41E3    ror     r3, r4
080C07C6: 431A    orr     r2, r3
080C07C8: 4663    mov     r3, r12
080C07CA: 088C    lsr     r4, r1, #0x2
080C07CC: 42A0    cmp     r0, r4
080C07CE: D305    bcc     0x080C07DC
080C07D0: 1B00    sub     r0, r0, r4
080C07D2: 469C    mov     r12, r3
080C07D4: 2402    mov     r4, #0x02
080C07D6: 41E3    ror     r3, r4
080C07D8: 431A    orr     r2, r3
080C07DA: 4663    mov     r3, r12
080C07DC: 08CC    lsr     r4, r1, #0x3
080C07DE: 42A0    cmp     r0, r4
080C07E0: D305    bcc     0x080C07EE
080C07E2: 1B00    sub     r0, r0, r4
080C07E4: 469C    mov     r12, r3
080C07E6: 2403    mov     r4, #0x03
080C07E8: 41E3    ror     r3, r4
080C07EA: 431A    orr     r2, r3
080C07EC: 4663    mov     r3, r12
080C07EE: 469C    mov     r12, r3
080C07F0: 2800    cmp     r0, #0x00
080C07F2: D003    beq     0x080C07FC
080C07F4: 091B    lsr     r3, r3, #0x4
080C07F6: D001    beq     0x080C07FC
080C07F8: 0909    lsr     r1, r1, #0x4
080C07FA: E7D9    b       0x080C07B0
080C07FC: 240E    mov     r4, #0x0E
080C07FE: 0724    lsl     r4, r4, #0x1C
080C0800: 4022    and     r2, r4
080C0802: D101    bne     0x080C0808
080C0804: BC10    pop     {r4}
080C0806: 46F7    mov     pc, lr
080C0808: 4663    mov     r3, r12
080C080A: 2403    mov     r4, #0x03
080C080C: 41E3    ror     r3, r4
080C080E: 421A    tst     r2, r3
080C0810: D001    beq     0x080C0816
080C0812: 08CC    lsr     r4, r1, #0x3
080C0814: 1900    add     r0, r0, r4
080C0816: 4663    mov     r3, r12
080C0818: 2402    mov     r4, #0x02
080C081A: 41E3    ror     r3, r4
080C081C: 421A    tst     r2, r3
080C081E: D001    beq     0x080C0824
080C0820: 088C    lsr     r4, r1, #0x2
080C0822: 1900    add     r0, r0, r4
080C0824: 4663    mov     r3, r12
080C0826: 2401    mov     r4, #0x01
080C0828: 41E3    ror     r3, r4
080C082A: 421A    tst     r2, r3
080C082C: D001    beq     0x080C0832
080C082E: 084C    lsr     r4, r1, #0x1
080C0830: 1900    add     r0, r0, r4
080C0832: BC10    pop     {r4}
080C0834: 46F7    mov     pc, lr

080C0836: B500    push    {lr}
080C0838: F7FF    bl       
080C083A: FEFC    bl      0x080C0634
080C083C: 2000    mov     r0, #0x00
080C083E: BD00    pop     {pc}

080C0840: B5F0    push    {r4, r5, r6, r7, lr}
080C0842: B082    add     sp, #-0x008
080C0844: 1C01    add     r1, r0, #0x0
080C0846: 68CC    ldr     r4, [r1, #0x0C]
080C0848: 690D    ldr     r5, [r1, #0x10]
080C084A: 684F    ldr     r7, [r1, #0x04]
080C084C: 2600    mov     r6, #0x00
080C084E: 2200    mov     r2, #0x00
080C0850: 6808    ldr     r0, [r1]
080C0852: 2801    cmp     r0, #0x01
080C0854: D800    bhi     0x080C0858
080C0856: 2201    mov     r2, #0x01
080C0858: 2A00    cmp     r2, #0x00
080C085A: D00D    beq     0x080C0878
080C085C: 4E03    ldr     r6, =#0x000007FF
080C085E: 4A04    ldr     r2, =#0x00000000
080C0860: 4B04    ldr     r3, =#0x00080000
080C0862: 1C20    add     r0, r4, #0x0
080C0864: 1C29    add     r1, r5, #0x0
080C0866: 4319    orr     r1, r3
080C0868: E062    b       0x080C0930

;080C086A: 0000    lsl     r0, r0, #0x0
;080C086C: 07FF    lsl     r7, r7, #0x1F
;080C086E: 0000    lsl     r0, r0, #0x0
;080C0870: 0000    lsl     r0, r0, #0x0
;080C0872: 0000    lsl     r0, r0, #0x0
;080C0874: 0000    lsl     r0, r0, #0x0
;080C0876: 0008    lsl     r0, r1, #0x0

080C0878: 2200    mov     r2, #0x00
080C087A: 2804    cmp     r0, #0x04
080C087C: D100    bne     0x080C0880
080C087E: 2201    mov     r2, #0x01
080C0880: 2A00    cmp     r2, #0x00
080C0882: D123    bne     0x080C08CC
080C0884: 2200    mov     r2, #0x00
080C0886: 2802    cmp     r0, #0x02
080C0888: D100    bne     0x080C088C
080C088A: 2201    mov     r2, #0x01

080C088C: 2A00    cmp     r2, #0x00
080C088E: D002    beq     0x080C0896
080C0890: 2400    mov     r4, #0x00
080C0892: 2500    mov     r5, #0x00
080C0894: E04E    b       0x080C0934
080C0896: 1C28    add     r0, r5, #0x0
080C0898: 4320    orr     r0, r4
080C089A: 2800    cmp     r0, #0x00
080C089C: D04A    beq     0x080C0934
080C089E: 688A    ldr     r2, [r1, #0x08]
080C08A0: 4804    ldr     r0, =#0xFFFFFC02
080C08A2: 4282    cmp     r2, r0
080C08A4: DA0F    bge     0x080C08C6
080C08A6: 1A82    sub     r2, r0, r2
080C08A8: 2A38    cmp     r2, #0x38
080C08AA: DD05    ble     0x080C08B8
080C08AC: 2400    mov     r4, #0x00
080C08AE: 2500    mov     r5, #0x00
080C08B0: E039    b       0x080C0926

;080C08B2: 0000    lsl     r0, r0, #0x0
;080C08B4: FC02    bl      0x080C10BA
;080C08B6: FFFF    bl      0x07CC38B6

080C08B8: 1C29    add     r1, r5, #0x0
080C08BA: 1C20    add     r0, r4, #0x0
080C08BC: F001    bl       
080C08BE: FB34    bl      0x080C1F28
080C08C0: 1C0D    add     r5, r1, #0x0
080C08C2: 1C04    add     r4, r0, #0x0
080C08C4: E02F    b       0x080C0926
080C08C6: 4803    ldr     r0, =#0x000003FF
080C08C8: 4282    cmp     r2, r0
080C08CA: DD07    ble     0x080C08DC
080C08CC: 4E02    ldr     r6, =#0x000007FF
080C08CE: 2400    mov     r4, #0x00
080C08D0: 2500    mov     r5, #0x00
080C08D2: E02F    b       0x080C0934

;080C08D4: 03FF    lsl     r7, r7, #0xF
;080C08D6: 0000    lsl     r0, r0, #0x0
;080C08D8: 07FF    lsl     r7, r7, #0x1F
;080C08DA: 0000    lsl     r0, r0, #0x0

080C08DC: 4809    ldr     r0, =#0x000003FF
080C08DE: 1816    add     r6, r2, r0
080C08E0: 20FF    mov     r0, #0xFF
080C08E2: 1C21    add     r1, r4, #0x0
080C08E4: 4001    and     r1, r0
080C08E6: 2200    mov     r2, #0x00
080C08E8: 2980    cmp     r1, #0x80
080C08EA: D10D    bne     0x080C0908
080C08EC: 2A00    cmp     r2, #0x00
080C08EE: D10B    bne     0x080C0908
080C08F0: 3001    add     r0, #0x01
080C08F2: 1C21    add     r1, r4, #0x0
080C08F4: 4001    and     r1, r0
080C08F6: 1C10    add     r0, r2, #0x0
080C08F8: 4308    orr     r0, r1
080C08FA: 2800    cmp     r0, #0x00
080C08FC: D008    beq     0x080C0910
080C08FE: 2080    mov     r0, #0x80
080C0900: 2100    mov     r1, #0x00
080C0902: E003    b       0x080C090C

;080C0904: 03FF    lsl     r7, r7, #0xF
;080C0906: 0000    lsl     r0, r0, #0x0

080C0908: 207F    mov     r0, #0x7F
080C090A: 2100    mov     r1, #0x00
080C090C: 1824    add     r4, r4, r0
080C090E: 414D    adc     r5, r1
080C0910: 4818    ldr     r0, =#0x1FFFFFFF
080C0912: 4285    cmp     r5, r0
080C0914: D907    bls     0x080C0926
080C0916: 07EB    lsl     r3, r5, #0x1F
080C0918: 0862    lsr     r2, r4, #0x1
080C091A: 1C18    add     r0, r3, #0x0
080C091C: 4310    orr     r0, r2
080C091E: 0869    lsr     r1, r5, #0x1
080C0920: 1C0D    add     r5, r1, #0x0
080C0922: 1C04    add     r4, r0, #0x0
080C0924: 3601    add     r6, #0x01
080C0926: 062B    lsl     r3, r5, #0x18
080C0928: 0A22    lsr     r2, r4, #0x8
080C092A: 1C18    add     r0, r3, #0x0
080C092C: 4310    orr     r0, r2
080C092E: 0A29    lsr     r1, r5, #0x8
080C0930: 1C0D    add     r5, r1, #0x0
080C0932: 1C04    add     r4, r0, #0x0
080C0934: 9400    str     r4, [sp]
080C0936: 4A10    ldr     r2, =#0x000FFFFF
080C0938: 402A    and     r2, r5
080C093A: 9801    ldr     r0, [sp, #0x004]
080C093C: 490F    ldr     r1, =#0xFFF00000
080C093E: 4008    and     r0, r1
080C0940: 4310    orr     r0, r2
080C0942: 9001    str     r0, [sp, #0x004]
080C0944: 466A    mov     r2, sp
080C0946: 490E    ldr     r1, =#0x000007FF
080C0948: 1C08    add     r0, r1, #0x0
080C094A: 4006    and     r6, r0
080C094C: 0131    lsl     r1, r6, #0x4
080C094E: 480D    ldr     r0, =#0xFFFF800F
080C0950: 88D3    ldrh    r3, [r2, #0x06]
080C0952: 4018    and     r0, r3
080C0954: 4308    orr     r0, r1
080C0956: 80D0    strh    r0, [r2, #0x06]
080C0958: 01F9    lsl     r1, r7, #0x7
080C095A: 207F    mov     r0, #0x7F
080C095C: 79D3    ldrb    r3, [r2, #0x07]
080C095E: 4018    and     r0, r3
080C0960: 4308    orr     r0, r1
080C0962: 71D0    strb    r0, [r2, #0x07]
080C0964: 9900    ldr     r1, [sp]
080C0966: 9801    ldr     r0, [sp, #0x004]
080C0968: 9000    str     r0, [sp]
080C096A: 9101    str     r1, [sp, #0x004]
080C096C: 9800    ldr     r0, [sp]
080C096E: 9901    ldr     r1, [sp, #0x004]

080C0970: B002    add     sp, #0x008
080C0972: BDF0    pop     {r4, r5, r6, r7, pc}

;080C0974: FFFF    bl      0x07EB1974
;080C0976: 1FFF    sub     r7, r7, #0x7
;080C0978: FFFF    bl      0x080C0978
;080C097A: 000F    lsl     r7, r1, #0x0
;080C097C: 0000    lsl     r0, r0, #0x0
;080C097E: FFF0    bl      0x080C1960
;080C0980: 07FF    lsl     r7, r7, #0x1F
;080C0982: 0000    lsl     r0, r0, #0x0
;080C0984: 800F    strh    r7, [r1]
;080C0986: FFFF    bl      0x080D0986

$080C1FE4 - Data Transfer

r0 = Store Address

r1 = Load Address

r2 = Counter


; r0 --> r5 --> r4 (--> r1)
; r1 --> r3

080C1FE4: B530    push    {r4, r5, lr}	; Push Register on Stack: r4, r5, Link Register
080C1FE6: 1C05    add     r5, r0, #0x0	; r5 = r0
080C1FE8: 1C2C    add     r4, r5, #0x0	; r4 = r5 (= r0?)
080C1FEA: 1C0B    add     r3, r1, #0x0	; r3 = r1
080C1FEC: 2A0F    cmp     r2, #0x0F
080C1FEE: D919    bls     0x080C2024	; Branch if r2 is lower or same #$0F
080C1FF0: 1C18    add     r0, r3, #0x0	; r0 = r3
080C1FF2: 4328    orr     r0, r5		; I guess this is OR r0 with r5 and store it in r0
	
	; -----
	; What this part does:
	; if the two LSBs of r0 (=r5) are cleared, the stuff beginning at 080C1FFC is executed,
	; else it's skipped
	; -----
080C1FF4: 2103    mov     r1, #0x03	; r1 = 03
080C1FF6: 4008    and     r0, r1
080C1FF8: 2800    cmp     r0, #0x00
080C1FFA: D113    bne     0x080C2024	; Jump over the next part if r0 is clear
	; -----

080C1FFC: 1C29    add     r1, r5, #0x0	; r1 = r5
080C1FFE: CB01    ldmia   r3!, {r0}		; Load the register that address is in r3 and store it in r0
080C2000: C101    stmia   r1!, {r0}		; Store r0 in the address that is in r1
080C2002: CB01    ldmia   r3!, {r0}
080C2004: C101    stmia   r1!, {r0}
080C2006: CB01    ldmia   r3!, {r0}
080C2008: C101    stmia   r1!, {r0}
080C200A: CB01    ldmia   r3!, {r0}
080C200C: C101    stmia   r1!, {r0}
080C200E: 3A10    sub     r2, #0x10	; r2 = r2 - $10
080C2010: 2A0F    cmp     r2, #0x0F
080C2012: D8F4    bhi     0x080C1FFE	; Branch (and thus, repeat) if r2 is more than $0F
080C2014: 2A03    cmp     r2, #0x03
080C2016: D904    bls     0x080C2022	; Branch Lower or same

	; -----
	; This address stuff that happens above for four entries
	; happens here for one single entry:
	; Load from the address from r3 and store it in the address in r1
	; -----
080C2018: CB01    ldmia   r3!, {r0}
080C201A: C101    stmia   r1!, {r0}
080C201C: 3A04    sub     r2, #0x04
080C201E: 2A03    cmp     r2, #0x03
080C2020: D8FA    bhi     0x080C2018
	; -----
080C2022: 1C0C    add     r4, r1, #0x0


080C2024: 3A01    sub     r2, #0x01	; r2 = r2 - 1
080C2026: 2001    mov     r0, #0x01	; r0 = 01
080C2028: 4240    neg     r0, r0		; r0 = r0* -1 = -01
080C202A: 4282    cmp     r2, r0
080C202C: D007    beq     0x080C203E	; Exit if r2=r0
	
	; -----
	; 
	; -----	
080C202E: 1C01    add     r1, r0, #0x0	; r1 = r0
	; -----
	; Bytewise transfer
	; -----
080C2030: 7818    ldrb    r0, [r3]		; Load byte from address in r3 into r0
080C2032: 7020    strb    r0, [r4]		; Store byte from r0 into the address in r4
080C2034: 3301    add     r3, #0x01
080C2036: 3401    add     r4, #0x01	; Increment r3 and r4
080C2038: 3A01    sub     r2, #0x01	; Decrement r2
080C203A: 428A    cmp     r2, r1
080C203C: D1F8    bne     0x080C2030	; Loop until r2 = r1
	; -----

080C203E: 1C28    add     r0, r5, #0x0
080C2040: BD30    pop     {r4, r5, pc}	; Restores r4 and r5 and jumps back (what is popped in the PC was pushed out of the LR)
;080C2042: 0000    lsl     r0, r0, #0x0

$080C2044 - Turn to ARM code, jump to $0805BEAC

Line $080C2044 changes from THUMB to ARM code:

080C2044: 4778    bx      pc			; Turn from THUMB to ARM code
;080C2046: 46C0    mov     r8, r8		; Not executed
080C2048: EAFE6797    b       0x0805BEAC

$080C204C - Turn to ARM code, jump to $0805BF3C

080C204C: 4778    bx      pc			; Turn from THUMB to ARM code
;080C204E: 46C0    mov     r8, r8		; Not executed
080C2050: EAFE67B9    b       0x0805BF3C

$080C2054 - Turn to ARM code, jump to $0805C2C8

080C2054: 4778    bx      pc			; Turn from THUMB to ARM code
;080C2056: 46C0    mov     r8, r8		; Not executed
080C2058: EAFE689A    b       0x0805C2C8

$080C205C - Turn to ARM code, jump to $0805BFD8

080C205C: 4778    bx      pc			; Turn from THUMB to ARM code
;080C205E: 46C0    mov     r8, r8		; Not executed
080C2060: EAFE67DC    b       0x0805BFD8

$080C2438 - Table of Screen settings (BGs)

This is used in $080978B4. These values are set in the Buffer for the BG Control Registers ($04000008/A/C/E).

; Entry #$00
40 1C C1 1D 42 1E 4B 1F

BG0 = #$1C40: BG Priority 0, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1C, Transparent Display Overflow, Screen Size 256x256

BG1 = #$1DC1: BG Priority 1, Character Base Block 0, Mosaic Enabled, 256 Colors, Screen Base Block #$1D, Transparent Display Overflow, Screen Size 256x256

BG2 = #$1E42: BG Priority 2, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1E, Transparent Display Overflow, Screen Size 256x256

BG3 = #$1F4B: BG Priority 3, Character Base Block 2, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1F, Transparent Display Overflow, Screen Size 256x256


; Entry #$01
40 1C 41 1D C2 5E C3 5F

BG0 = #$1C40: BG Priority 0, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1C, Transparent Display Overflow, Screen Size 256x256

BG1 = #$1D41: BG Priority 1, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1D, Transparent Display Overflow, Screen Size 256x256

BG2 = #$5EC2: BG Priority 2, Character Base Block 0, Mosaic Enabled, 256 Colors, Screen Base Block #$1E, Transparent Display Overflow, Screen Size 512x256

BG3 = #$5FC3: BG Priority 3, Character Base Block 0, Mosaic Enabled, 256 Colors, Screen Base Block #$1F, Transparent Display Overflow, Screen Size 512x256


; Entry #$02
40 1C 41 1D C2 1E CB 1F

BG0 = #$1C40: BG Priority 0, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1C, Transparent Display Overflow, Screen Size 256x256

BG1 = #$1D41: BG Priority 1, Character Base Block 0, Mosaic Enabled, 16/16 Colors, Screen Base Block #$1D, Transparent Display Overflow, Screen Size 256x256

BG2 = #$1EC2: BG Priority 2, Character Base Block 0, Mosaic Enabled, 256 Colors, Screen Base Block #$1E, Transparent Display Overflow, Screen Size 256x256

BG3 = #$1FCB: BG Priority 3, Character Base Block 2, Mosaic Enabled, 256 Colors, Screen Base Block #$1F, Transparent Display Overflow, Screen Size 256x256


Maybe the data afterwards belongs to this table, too:

04 00 01 00 00 00 08 00 40 00 00 03 0A 00 04 00 07 00 01 01 02 00 04 00 20 00 00 02 0A 00 3C 00 03 00 80 01 00 00 04 00 20 00 01 02 00 00 00 00 03 00 8C 01 00 00 04 00 20 00 01 02 00 00 00 00 03 00 C0 01 00 00 04 00 20 00 01 02 00 00 00 00 03 00 CC 01 00 00 04 00 20 00 01 02 00 00 00 00 03 00 14 02 00 00 04 00 20 00 01 02 00 00 00 00 03 00 40 02 00 00 04 00 20 00 01 02 00 00 00 00 05 00 00 02 01 00 04 00 20 00 01 02 26 00 8F 00 03 00 80 02 00 00 04 00 20 00 01 02 00 00 00 00 03 00 8C 02 00 00 04 00 20 00 01 02 00 00 00 00 03 00 C0 02 00 00 04 00 20 00 01 02 00 00 00 00 01 00 44 03 03 00 00 00 00 00 00 01 00 00 00 00 01 00 04 03 03 00 00 00 00 00 00 01 00 00 00 00 01 00 00 03 03 00 00 00 00 00 00 02 00 00 00 00 01 00 06 03 03 00 00 00 00 00 00 03 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00

(Next byte is $080C2560)

$080C2560 - Table of unknown pursose

This is directly ripped from the ROM, so it's Little Endian.

00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 03 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 03 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 16 00 30 00 C2 01 1E 00 08 00 38 00 C2 01 1E 00 0A 00 30 00 3A 02 1E 00 0C 00 28 00 B2 02 1E 00 0C 00 24 00 0A 00 24 00 08 00 24 00 0C 00 24 00 08 00 24 00 08 00 24 00 0C 00 24 00 0C 00 28 00 0C 00 24 00 0C 00 24 00 04 00 2C 00 04 00 24 00 0C 00 24 00 0C 00 24 00 0C 00 24 00 05 00 03 00 16 0C 00 00 2A 00 6A 00 4A 01 1E 00 00 01 00 00 06 00 03 00 14 0F 00 00 0C 00 6A 00 3A 02 1E 00 06 07 00 00 04 00 04 00 14 0F 00 00 12 00 6A 00 76 02 1E 00 12 13 00 00 06 00 03 00 14 0F 00 00 12 00 6A 00 1A 04 1E 00 1A 1B 00 00 06 00 03 00 12 14 00 00 12 00 6A 00 EE 02 1E 00 20 21 00 00 04 00 04 00 18 0F 00 00 12 00 6A 00 46 05 1E 00 26 27 00 00 79 7A 7A 00 00 00 00 00 5F 5F 62 00 00 00 00 00 54 49 4A 4A 00 00 00 00 4C 4D 4F 00 00 00 00 00 58 5C 58 00 00 00 00 00 78 7A 7B 7B 00 00 00 00 5F 5F 62 00 00 00 00 00 65 64 63 00 00 00 00 00 19 13 03 00 12 00 6A 00 BE 05 1E 00 19 14 03 00 12 00 6A 00 56 04 1E 00 1E 14 03 00 12 00 6A 00 1A 04 1E 00 1E 14 03 00 12 00 6A 00 1A 04 1E 00 1E 10 03 00 12 00 6A 00 A2 03 1E 00 1C 12 03 00 12 00 6A 00 56 04 1E 00 00 00 04 00 4A 00 48 00 4A 01 00 00 0F 14 00 00 0A 00 28 00 FE 01 1E 00 0F 14 00 00 06 00 28 00 FE 01 1E 00 0F 14 00 00 06 00 28 00 3A 02 1E 00 0F 14 00 00 0A 00 20 00 3A 02 1E 00

(Next byte is $080C2760)

$080C52E0 - Address Table

From $080C52E0 to $080C52EB is ASCII text "FLASH_V126.."

From $080C52EC on, it's 64-bit-sized addresses (both from ROM ($08) and WRAM ($02)). These are used in $080BFAA6.

$080C5590 - Values for WRAM registers

These #$38 (fifty-six) Bytes are transferred after the Brownie Brown Logo and before the actual Intro into the registers $020000D0 to $02000107.

See Subroutine at $08001724.

$086143EC - (Title Screen Palette of unknown purpose)

Raw Data

Is loaded at $08097BFC, #$20 Bytes.

$086242AC - Brownie Brown Logo Tiles

Raw Data

$08624ECC - Brownie Brown Logo Palette

Raw Data

$08624EEC - Nintendo Logo Tiles

Raw Data

$08625E0C - Nintendo Logo Palette

Raw Data

$0862922C - Equipment Icons

Raw Data - #$800 Bytes

These are the symbols for several Equipment Items (like Helmets, Armors, Necklaces etc.) and the Currency symbol. These Grafics are always in VRAM when you're in menu.

$08699478 - Subroutine Address Table for unknown Subroutine

080998F1	; Entry #$00
0809998D	; Entry #$01
080999B1	; Entry #$02
080999B5	; Entry #$03
08099A51	; Entry #$04

$0869948C - Subroutine Address Table for $08099BB8

These subroutines seem to handle the actual animations of the Intro. Used in the Subroutine $08099BB8. If the Entry number that the subroutine has to load is higher than #$19, the subroutine exits immediately.

08099C19	; Entry #$00
08099C3D	; Entry #$01
08099CB5	; Entry #$02
08099CB9	; Entry #$03
08099CED	; Entry #$04
08099D29	; Entry #$05
08099D55	; Entry #$06
08099D99	; Entry #$07
08099DC1	; Entry #$08
08099DED	; Entry #$09
08099E41	; Entry #$0A
08099E69	; Entry #$0B
08099E95	; Entry #$0C
08099EC1	; Entry #$0D
08099EE5	; Entry #$0E
08099F65	; Entry #$0F
08099F69	; Entry #$10
08099F8D	; Entry #$11
08099FCD	; Entry #$12
08099FD1	; Entry #$13
08099FF5	; Entry #$14
0809A035	; Entry #$15
0809A039	; Entry #$16
0809A05D	; Entry #$17
0809A099	; Entry #$18
0809A101	; Entry #$19

$086994F4 - Subroutine Address Table for unknown Subroutine

Don't mind the "Entry" numbers. I thought they would belong to the list above.

0809AA11	; Entry #$01F
0809AAD1	; Entry #$020
0809AAE9	; Entry #$021
0809AB01	; Entry #$022
0809ABD1	; Entry #$023

$08699508 - Subroutine Address Table for $0809BAC4

0809BAE9	; Entry #$00
0809BAED	; Entry #$01
0809BB91	; Entry #$02
0809BBA9	; Entry #$03

$08699518 - Subroutine Address Table for unknown Subroutine

Don't mind the "Entry" numbers. I thought they would belong to the list above.

0809BC1D	; Entry #$028
0809BC21	; Entry #$029
0809BC45	; Entry #$02A
0809BC5D	; Entry #$02B
0809BCD1	; Entry #$02C
0809BCD5	; Entry #$02D
0809BCFD	; Entry #$02E
0809BD09	; Entry #$02F
0809BD0D	; Entry #$030
0809BD61	; Entry #$031
0809BD8D	; Entry #$032
0809BDE9	; Entry #$033
080A0F8D	; Entry #$034
080A1151	; Entry #$035
080A1229	; Entry #$036
080A1349	; Entry #$037
080A15D5	; Entry #$038
080A16C5	; Entry #$039
080A173D	; Entry #$03A
080A17C9	; Entry #$03B
080A1AE5	; Entry #$03C
080A1C01	; Entry #$03D
080A1D51	; Entry #$03E
080A1E69	; Entry #$03F
080A1F31	; Entry #$040
080A1F35	; Entry #$041
080A1FAD	; Entry #$042
080A20B5	; Entry #$043
080A21D1	; Entry #$044
080A22E9	; Entry #$045
080A2489	; Entry #$046
080A24F1	; Entry #$047
080A256D	; Entry #$048
080A2631	; Entry #$049
080A270D	; Entry #$04A
080A274D	; Entry #$04B
080A287D	; Entry #$04C
080A2965	; Entry #$04D
080A2A59	; Entry #$04E
080A2B41	; Entry #$04F
080A2C29	; Entry #$050
080A2D49	; Entry #$051
080A2E35	; Entry #$052
080A2E65	; Entry #$053
080A2F19	; Entry #$054
080A316D	; Entry #$055
080A341D	; Entry #$056
080A3511	; Entry #$057
080A3621	; Entry #$058
080A3715	; Entry #$059
080A3BB1	; Entry #$05A
080A3BFD	; Entry #$05B
080A3C51	; Entry #$05C
080A3F71	; Entry #$05D
080A4051	; Entry #$05E
080A40F9	; Entry #$05F
080A40FD	; Entry #$060
080A3C85	; Entry #$061
080A3CDD	; Entry #$062
080A45B5	; Entry #$063
080A4661	; Entry #$064
080A4701	; Entry #$065
080A4799	; Entry #$066
080A480D	; Entry #$067
080A49B1	; Entry #$068
080A4A29	; Entry #$069
080A4A81	; Entry #$06A
080A4AED	; Entry #$06B
080A4BC9	; Entry #$06C
080A4C35	; Entry #$06D
080A4CAD	; Entry #$06E
080A4F99	; Entry #$06F
080A4FB5	; Entry #$070
080A4FF5	; Entry #$071
080A5035	; Entry #$072
080A5075	; Entry #$073
080A50CD	; Entry #$074
080A513D	; Entry #$075
080A517D	; Entry #$076
080A526D	; Entry #$077
080A530D	; Entry #$078
080A5349	; Entry #$079
080A53B9	; Entry #$07A
080A5435	; Entry #$07B
080A5505	; Entry #$07C
080A5551	; Entry #$07D
080A55A5	; Entry #$07E
080A55D1	; Entry #$07F
080A5691	; Entry #$080
080A56D5	; Entry #$081
080A57B1	; Entry #$082
080A5A95	; Entry #$083
080A5AD9	; Entry #$084
080A5AFD	; Entry #$085
080A5B21	; Entry #$086
080A5B45	; Entry #$087
080A5B75	; Entry #$088
080A5B79	; Entry #$089
080A5B7D	; Entry #$08A
080A5B81	; Entry #$08B
080A7921	; Entry #$08C
080A7949	; Entry #$08D
080A796D	; Entry #$08E
080A7991	; Entry #$08F
080A79DD	; Entry #$090
080A7A39	; Entry #$091
080A7A61	; Entry #$092
080A7A85	; Entry #$093
080A7AD9	; Entry #$094
080A7AFD	; Entry #$095
080A7BE9	; Entry #$096
080A7C61	; Entry #$097
080A7CDD	; Entry #$098
080A7D41	; Entry #$099
080A9419	; Entry #$09A
080A9479	; Entry #$09B
080A94D9	; Entry #$09C
080A9525	; Entry #$09D
080A9549	; Entry #$09E
009E0036	; Entry #$09F
000000B2	; Entry #$0A0
080A98AD	; Entry #$0A1
080A98DD	; Entry #$0A2
080A98FD	; Entry #$0A3
080A9919	; Entry #$0A4
080A9941	; Entry #$0A5
080A9969	; Entry #$0A6
080A9991	; Entry #$0A7
080A9A1D	; Entry #$0A8
080A9B59	; Entry #$0A9
080A9B89	; Entry #$0AA
080A9C41	; Entry #$0AB
080A9C69	; Entry #$0AC
080A9CB5	; Entry #$0AD
080AA031	; Entry #$0AE
080A98DD	; Entry #$0AF
080A98FD	; Entry #$0B0
080A9919	; Entry #$0B1
080A9941	; Entry #$0B2
080A9969	; Entry #$0B3
080A9991	; Entry #$0B4
080AA385	; Entry #$0B5
080AA539	; Entry #$0B6
080AA58D	; Entry #$0B7
080AA769	; Entry #$0B8
080AA9A1	; Entry #$0B9
080AAD29	; Entry #$0BA
080AAF51	; Entry #$0BB
080AB021	; Entry #$0BC
080AB0D5	; Entry #$0BD
080AB181	; Entry #$0BE
080AB255	; Entry #$0BF
080AB675	; Entry #$0C0
080AB84D	; Entry #$0C1
080AB945	; Entry #$0C2
080ABA85	; Entry #$0C3
080ABDF9	; Entry #$0C4
080AC13D	; Entry #$0C5
080AC191	; Entry #$0C6
080AC335	; Entry #$0C7
080AC3E9	; Entry #$0C8
080ACC35	; Entry #$0C9
080ACCD9	; Entry #$0CA
080ACD6D	; Entry #$0CB
080ACDF5	; Entry #$0CC
080ACE99	; Entry #$0CD
080ACEF9	; Entry #$0CE
080AD4E5	; Entry #$0CF
080AD555	; Entry #$0D0
080AD90D	; Entry #$0D1
080ADA25	; Entry #$0D2
080ADB35	; Entry #$0D3
080ADBED	; Entry #$0D4
080ADCD1	; Entry #$0D5
080ADD51	; Entry #$0D6
080ADEB9	; Entry #$0D7
080ADFED	; Entry #$0D8
080AE1DD	; Entry #$0D9
080AE329	; Entry #$0DA
080AE48D	; Entry #$0DB
080AE4D9	; Entry #$0DC
080AE525	; Entry #$0DD
080AE5B9	; Entry #$0DE
080AE64D	; Entry #$0DF
080AE6E1	; Entry #$0E0
080AE72D	; Entry #$0E1
080AE8B1	; Entry #$0E2
080AE971	; Entry #$0E3
080AEA31	; Entry #$0E4
080AEE89	; Entry #$0E5
080AF02D	; Entry #$0E6
080AF0ED	; Entry #$0E7
080AF1AD	; Entry #$0E8
080AF289	; Entry #$0E9
080AF2ED	; Entry #$0EA
080AF505	; Entry #$0EB
080AF605	; Entry #$0EC
080AF6C5	; Entry #$0ED
080AF769	; Entry #$0EE
080AF7D1	; Entry #$0EF
080AFAB5	; Entry #$0F0
080AFB01	; Entry #$0F1
080AFB4D	; Entry #$0F2
080AFB99	; Entry #$0F3
080AFBE5	; Entry #$0F4
080AFC31	; Entry #$0F5
080AFC7D	; Entry #$0F6
080AFCC9	; Entry #$0F7
080AFD15	; Entry #$0F8
006E614A	; Entry #$0F9
00626546	; Entry #$0FA
0072614D	; Entry #$0FB
00727041	; Entry #$0FC
0079614D	; Entry #$0FD
006E754A	; Entry #$0FE
006C754A	; Entry #$0FF
00677541	; Entry #$100
00706553	; Entry #$101
0074634F	; Entry #$102
00766F4E	; Entry #$103
00636544	; Entry #$104
080B2F39	; Entry #$105
080B2F69	; Entry #$106
080B2F95	; Entry #$107
080B2FB1	; Entry #$108
080B2FD9	; Entry #$109
080B3001	; Entry #$10A
080B3029	; Entry #$10B
080B3055	; Entry #$10C
080B307D	; Entry #$10D
080B30A9	; Entry #$10E
080B30DD	; Entry #$10F
080B314D	; Entry #$110
080B3179	; Entry #$111
080B31A5	; Entry #$112
080B2F69	; Entry #$113
080B2F95	; Entry #$114
080B2FB1	; Entry #$115
080B2FD9	; Entry #$116
080B3001	; Entry #$117
080B3029	; Entry #$118
080B3251	; Entry #$119
080B327D	; Entry #$11A
080B32A9	; Entry #$11B
080B32D5	; Entry #$11C
080B3301	; Entry #$11D
080B358D	; Entry #$11E
080B35B9	; Entry #$11F
080B365D	; Entry #$120
080B36FD	; Entry #$121
080B3799	; Entry #$122
080B383D	; Entry #$123
080B3869	; Entry #$124
080B38E9	; Entry #$125
080B3915	; Entry #$126
080B3941	; Entry #$127
080B3A11	; Entry #$128
080B3B8D	; Entry #$129
080B3C05	; Entry #$12A
080B3D0D	; Entry #$12B
080B405D	; Entry #$12C
080B42E5	; Entry #$12D
080B4315	; Entry #$12E
080B4415	; Entry #$12F
080B4509	; Entry #$130
080B45C5	; Entry #$131
080B4621	; Entry #$132
080B46D5	; Entry #$133
080B4719	; Entry #$134
080B47AD	; Entry #$135
080B47F1	; Entry #$136
080B4851	; Entry #$137
080B48BD	; Entry #$138
080B4901	; Entry #$139
080B4B35	; Entry #$13A
080B4B65	; Entry #$13B
080B4B71	; Entry #$13C
080B4B8D	; Entry #$13D
080B4BB1	; Entry #$13E
080B4BBD	; Entry #$13F
080B4BC9	; Entry #$140
080B4C65	; Entry #$141
080B4CA1	; Entry #$142
080B4D1D	; Entry #$143
080B4DA5	; Entry #$144
080B4DCD	; Entry #$145
080B4E61	; Entry #$146
080B4ED1	; Entry #$147
080B4B65	; Entry #$148
080B4B71	; Entry #$149
080B4B8D	; Entry #$14A
080B4BB1	; Entry #$14B
080B4BBD	; Entry #$14C
080B4BC9	; Entry #$14D
080B4FF9	; Entry #$14E
080B5025	; Entry #$14F
080B5051	; Entry #$150
080B50E5	; Entry #$151
080B5111	; Entry #$152
080B5169	; Entry #$153
080B7895	; Entry #$154
080B7899	; Entry #$155
080B7965	; Entry #$156
080B79C5	; Entry #$157
080B7A15	; Entry #$158
080B7A2D	; Entry #$159
080B7AC1	; Entry #$15A
080B7AC5	; Entry #$15B
080B7AED	; Entry #$15C
080B7B15	; Entry #$15D
080B7B3D	; Entry #$15E
080B7B99	; Entry #$15F
080B7C11	; Entry #$160
080B7C15	; Entry #$161
080B7C41	; Entry #$162
080B7C6D	; Entry #$163
080B7C99	; Entry #$164
080B7CA5	; Entry #$165
080B83F5	; Entry #$166
080B846D	; Entry #$167
080B84D1	; Entry #$168
080B84D1	; Entry #$169
080B84F9	; Entry #$16A
080B84F9	; Entry #$16B
080B8561	; Entry #$16C
080B8569	; Entry #$16D
080B7CA9	; Entry #$16E
080B7D09	; Entry #$16F
080B7DD5	; Entry #$170
080B8571	; Entry #$171
080B85D5	; Entry #$172
080B8671	; Entry #$173
080B8671	; Entry #$174
080B8699	; Entry #$175
080B8699	; Entry #$176
080B86D1	; Entry #$177
080B86D9	; Entry #$178
080B7EA1	; Entry #$179
080B7EC5	; Entry #$17A
080B7ED9	; Entry #$17B
080B87C1	; Entry #$17C
080B887D	; Entry #$17D
080B8979	; Entry #$17E
080B8A2D	; Entry #$17F
080B9C05	; Entry #$180
080B9C3D	; Entry #$181
080B9C75	; Entry #$182

$08699AA4 - Address Table for Graphic Data

The program adds #$08699AA4 to the entries to get the actual position of the Data

$0000002C ; Entry #$00 - $08699AD0 - Title "Magical Vacation" writing (COMPRESSED)
$00000BCC ; Entry #$01 - $0869A670 - Title Menu Plates, Part 1 (COMPRESSED)
$00001DE4 ; Entry #$02 - $0869B888 - Title Menu Plates, Part 2 (COMPRESSED)
$00002328 ; Entry #$03 - $0869BDCC - Palette (for Title) (UNCOMPRESSED)
$00002388 ; Entry #$04 - $0869BE2C - Intro Glare Effect (Suns) (COMPRESSED)
$00002884 ; Entry #$05 - $0869C328 - Palette (for Glare Effect) (UNCOMPRESSED)
$000028A4 ; Entry #$06 - $0869C348 - Intro Sky/Castle Tiles (COMPRESSED)
$0000AB34 ; Entry #$07 - $086A45D8 - Intro Sky/Castle Palette (UNCOMPRESSED)
$0000AD34 ; Entry #$08 - $086A47D8 - Title Screen Tilemap (UNCOMPRESSED)
$0000BB44 ; Entry #$09 - $086A55E8 - ???

$086A55E8 - Address Table for Graphic Data

$00000038 ; Entry #$00 - $086A5620 - Tiles Intro Image: Barren Battlefield
$00008158 ; Entry #$01 - $086AD740 - Palette Intro Image: Barren Battlefield
$00008358 ; Entry #$02 - $086AD940 - Tiles Intro Image: Red Battle Scene
$0001120C ; Entry #$03 - $086B67F4 - Palette Intro Image: Red Battle Scene
$0001140C ; Entry #$04 - $086B69F4 - Tiles Intro Image: Town Scene
$00019C64 ; Entry #$05 - $086BF24C - Palette Intro Image: Town Scene
$00019E64 ; Entry #$06 - $086BF44C - Tiles Intro Image: Man running on a Hill
$00022860 ; Entry #$07 - $086C7C48 - Palette Intro Image: Man running on a Hill