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Pokémon Mystery Dungeon: Red Rescue Team/Script Command Parsing Code
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This is a sub-page of Pokémon Mystery Dungeon: Red Rescue Team.
 | This page is rather stubbly and could use some expansion. Are you a bad enough dude to rescue this article? |
| Script Command Parsing Code | |
| Game | Pokémon Mystery Dungeon: Red Rescue Team |
| Start Address | 0x0809EACC |
| End Address | 0x0809EB16 |
| # of Entries | 38 (0x26) |
| Entry Length | 2 bytes (0x02) |
| Total Length | 74 bytes (0x4A) |
| Back to the ROM map | |
This code is where most commands are read from scripts and redirected to their specific methods.
0809EACC B5F0 push r4-r7,r14 0809EACE 4657 mov r7,r10 0809EAD0 464E mov r6,r9 0809EAD2 4645 mov r5,r8 0809EAD4 B4E0 push r5-r7 0809EAD6 B0EF add sp,-1BCh ;Method Initialization 0809EAD8 4681 mov r9,r0 ;r9 is where the RAM structure starts 0809EADA 2024 mov r0,24h ; 0809EADC 4448 add r0,r9 ; 0809EADE 4682 mov r10,r0 ; 0809EAE0 4651 mov r1,r10 ;loop start, r10 is the RAM location for command pointers 0809EAE2 684A ldr r2,[r1,4h] ;retrieves next command in ROM pointer from ram 0809EAE4 61CA str r2,[r1,1Ch] ;next pointer = current pointer 0809EAE6 A902 add r1,sp,8h ;r1 = Location of arguments on stack 0809EAE8 1C10 mov r0,r2 ;r0 = next command pointer 0809EAEA C838 ldmia [r0]!,r3-r5 ;Loads first three arguments of command 4 bytes at a time. 0809EAEC C138 stmia [r1]!,r3-r5 ;Sends them to the stack. 0809EAEE 6800 ldr r0,[r0] ;Loads last (pointer) argument of command into r0. 0809EAF0 6008 str r0,[r1] ;Puts pointer argument in stack just above the other arguments. 0809EAF2 3210 add r2,10h ;Increments script index (r2 points to next command in the script) 0809EAF4 4650 mov r0,r10 0809EAF6 6042 str r2,[r0,4h] ;Stores new script index in RAM 0809EAF8 A802 add r0,sp,8h ;r0 = command byte index 0809EAFA 7800 ldrb r0,[r0] ;Load command byte into r0 (1 byte) 0809EAFC 4651 mov r1,r10 0809EAFE 3120 add r1,20h 0809EB00 7008 strb r0,[r1] ;Stores command byte in RAM 0809EB02 0600 lsl r0,r0,18h 0809EB04 0E00 lsr r0,r0,18h ;Can't think of a use for these. 0809EB06 3801 sub r0,1h 0809EB08 1C0A mov r2,r1 0809EB0A 28F5 cmp r0,0F5h ;If the command byte is F6 or greater, 0809EB0C D8E8 bhi 809EAE0h ;Then move on to the next command 0809EB0E 0080 lsl r0,r0,2h ;else multiply command byte by 4 0809EB10 4901 ldr r1,=809EB1Ch ;r1=jump table start 0809EB12 1840 add r0,r0,r1 ;r0 = location of pointer in jump table 0809EB14 6800 ldr r0,[r0] ;Loads command pointer into r0. 0809EB16 4687 mov r15,r0 ;Changes Instruction Pointer to jump to the pointer to the command's method.