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Super Mario World 2: Yoshi's Island/ROM map
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The following article is a ROM map for Super Mario World 2: Yoshi's Island.
FUNCTIONS CHECK BABY BOWSER'S DAMAGE $0D/CB0D AC 62 10 LDY $1062 [$0D:1062] A:0056 X:0040 Y:0040 P:envmXdizC $0D/CB10 C0 03 CPY #$03 A:0056 X:0040 Y:0003 P:envmXdizC check if=3 $0D/CB12 30 08 BMI $08 [$CB1C] A:0056 X:0040 Y:0003 P:envmXdiZC if=3 then end battle $0D/F12F AC 62 10 LDY $1062 [$0D:1062] A:008A X:0034 Y:0040 P:envmXdizc $0D/F132 C0 02 CPY #$02 A:008A X:0034 Y:0002 P:envmXdizc check if=2 $0D/F134 30 03 BMI $03 [$F139] A:008A X:0034 Y:0002 P:envmXdiZC if=2 then run last hit sequence CHECK BURT'S HEALTH $06/A860 BC 36 7D LDY $7D36,x[$06:7D76] A:0000 X:0040 Y:001E P:envmXdizc $06/A863 88 DEY A:0000 X:0040 Y:005D P:envmXdizc $06/A864 30 61 BMI $61 [$A8C7] A:0000 X:0040 Y:005C P:envmXdizc doesn't branch if Burt is hit $06/A866 F0 5F BEQ $5F [$A8C7] A:0000 X:0040 Y:005C P:envmXdizc $06/A868 B9 00 6F LDA $6F00,y[$06:6F5C] A:0000 X:0040 Y:005C P:envmXdizc $06/A86B C9 10 00 CMP #$0010 A:0010 X:0040 Y:005C P:envmXdizc $06/A86E D0 57 BNE $57 [$A8C7] A:0010 X:0040 Y:005C P:envmXdiZC $06/A870 B9 38 7D LDA $7D38,y[$06:7D94] A:0010 X:0040 Y:005C P:envmXdiZC $06/A873 F0 52 BEQ $52 [$A8C7] A:0014 X:0040 Y:005C P:envmXdizC $06/A875 BD E2 70 LDA $70E2,x[$06:7122] A:0014 X:0040 Y:005C P:envmXdizC $06/A878 38 SEC A:0094 X:0040 Y:005C P:envmXdizC $06/A879 F9 D6 7C SBC $7CD6,y[$06:7D32] A:0094 X:0040 Y:005C P:envmXdizC $06/A87C 85 00 STA $00 [$00:7960] A:0017 X:0040 Y:005C P:envmXdizC $06/A87E 49 FF FF EOR #$FFFF A:0017 X:0040 Y:005C P:envmXdizC $06/A881 1A INC A A:FFE8 X:0040 Y:005C P:eNvmXdizC $06/A882 99 76 7C STA $7C76,y[$06:7CD2] A:FFE9 X:0040 Y:005C P:eNvmXdizC $06/A885 DA PHX A:FFE9 X:0040 Y:005C P:eNvmXdizC $06/A886 BB TYX A:FFE9 X:0040 Y:005C P:eNvmXdizC $06/A887 22 4B B2 03 JSL $03B24B[$03:B24B] A:FFE9 X:005C Y:005C P:envmXdizC SUBTRACT/COMPARE HEALTH OF BURT $06/A157 A9 05 LDA #$05 A:2E1D X:0040 Y:0000 P:envMXdizC $06/A159 9D A2 74 STA $74A2,x[$06:74E2] A:2E05 X:0040 Y:0000 P:envMXdizC $06/A15C DE 02 79 DEC $7902,x[$06:7942] A:2E05 X:0040 Y:0000 P:envMXdizC decrement health by two $06/A15F DE 02 79 DEC $7902,x[$06:7942] A:2E05 X:0040 Y:0000 P:envMXdizC $06/A162 30 10 BMI $10 [$A174] A:2E05 X:0040 Y:0000 P:envMXdizC check if health less than 0 $06/A164 A9 1A LDA #$1A A:2E05 X:0040 Y:0000 P:envMXdizC $06/A166 9D 36 7A STA $7A36,x[$06:7A76] A:2E1A X:0040 Y:0000 P:envMXdizC $06/A169 C2 20 REP #$20 A:2E1A X:0040 Y:0000 P:envMXdizC $06/A16B A9 F8 FF LDA #$FFF8 A:2E1A X:0040 Y:0000 P:envmXdizC $06/A16E 9D 38 7A STA $7A38,x[$06:7A78] A:FFF8 X:0040 Y:0000 P:eNvmXdizC $06/A171 C2 20 REP #$20 A:FFF8 X:0040 Y:0000 P:eNvmXdizC $06/A173 6B RTL A:FFF8 X:0040 Y:0000 P:eNvmXdizC ADD/COMPARE DAMAGE TO BIG BOO $04/B8A9 B5 16 LDA $16,x [$00:79BA] A:7018 X:0044 Y:0001 P:envmXdizc $04/B8AB 18 CLC A:00C8 X:0044 Y:0001 P:envmXdizc $04/B8AC 69 18 00 ADC #$0018 A:00C8 X:0044 Y:0001 P:envmXdizc $04/B8AF 8D 5E 10 STA $105E [$04:105E] A:00E0 X:0044 Y:0001 P:envmXdizc $04/B8B2 18 CLC A:00E0 X:0044 Y:0001 P:envmXdizc $04/B8B3 69 30 00 ADC #$0030 A:00E0 X:0044 Y:0001 P:envmXdizc add damage $04/B8B6 C9 C1 01 CMP #$01C1 A:0110 X:0044 Y:0001 P:envmXdizc check if damage is maxed out $04/B8B9 30 24 BMI $24 [$B8DF] A:0110 X:0044 Y:0001 P:eNvmXdizc $04/B8DF 95 16 STA $16,x [$00:79BA] A:0110 X:0044 Y:0001 P:eNvmXdizc $04/B8E1 F6 78 INC $78,x [$00:7A1C] A:0110 X:0044 Y:0001 P:eNvmXdizc $04/B8E3 60 RTS A:0110 X:0044 Y:0001 P:envmXdizc $06/97B5 A9 40 LDA #$40 A:0004 X:0058 Y:0000 P:envMXdizc set Burt's pants Y coord $06/97B7 9D 00 79 STA $7900,x[$06:7958] A:0040 X:0058 Y:0000 P:envMXdizc $06/97BA A9 0A LDA #$0A A:0040 X:0058 Y:0000 P:envMXdizc set Burt's health $06/97BC 9D 02 79 STA $7902,x[$06:795A] A:000A X:0058 Y:0000 P:envMXdizc CHECK SALVO SIZE/HEALTH $06/866E AC 79 10 LDY $1079 [$06:1079] A:0000 X:0058 Y:00FF P:envmXdiZc $06/8671 C0 4C CPY #$4C A:0000 X:0058 Y:004B P:envmXdizc $06/8673 B0 4B BCS $4B [$86C0] A:0000 X:0058 Y:004B P:eNvmXdizc set as dead if health less than #4C SET INITIAL SALVO SIZE/HEALTH $06/831E A9 00 B0 LDA #$B000 A:0100 X:0058 Y:000C P:envmXdizc $06/8321 8D 78 10 STA $1078 [$06:1078] A:B000 X:0058 Y:000C P:eNvmXdizc INCREASE SALVO SIZE/HEALTH UNTIL IT REACHES #FFFF $06/8B94 BB TYX A:000E X:000E Y:0058 P:envmXdizc $06/8B95 BD 96 7A LDA $7A96,x[$06:7AEE] A:000E X:0058 Y:0058 P:envmXdizc $06/8B98 D0 12 BNE $12 [$8BAC] A:0000 X:0058 Y:0058 P:envmXdiZc $06/8B9A AD 78 10 LDA $1078 [$06:1078] A:0000 X:0058 Y:0058 P:envmXdiZc $06/8B9D 18 CLC A:B000 X:0058 Y:0058 P:eNvmXdizc $06/8B9E 69 40 02 ADC #$0240 A:B000 X:0058 Y:0058 P:eNvmXdizc $06/8BA1 30 03 BMI $03 [$8BA6] A:B240 X:0058 Y:0058 P:eNvmXdizc $06/8BA6 8D 78 10 STA $1078 [$06:1078] A:B240 X:0058 Y:0058 P:eNvmXdizc CHECK IF EGG STOCK MAXED OUT $03/BEC4 AD F6 7D LDA $7DF6 [$03:7DF6] A:0003 X:0058 Y:0000 P:envmXdizc $03/BEC7 1A INC A A:000A X:0058 Y:0000 P:envmXdizc increment current egg stock $03/BEC8 1A INC A A:000B X:0058 Y:0000 P:envmXdizc $03/BEC9 C9 0E 00 CMP #$000E A:000C X:0058 Y:0000 P:envmXdizc check if maxed out $03/BECC 90 47 BCC $47 [$BF15] A:000C X:0058 Y:0000 P:eNvmXdizc branch if not maxed out 0b:c720 f0 04 1e lm r0,($1e04) r0=$0000 SRAM=00:1E04 ALT1=0 change to 1e06 to allow 7 eggs (add 2 for any extra egg stocks) 0b:c723 e0 dec r0 r0=$ffff S=1 CHECK IF EGG AT LAST RICOCHET 0a:da24 40 ldw (r0) r0=$0003 SRAM=00:159A 0a:da25 15 to r5 0a:da26 3e alt2 ALT2=1 0a:da27 63 sub #3 r5=$0000 Z=1 CY=1 ALT2=0 #3 is maximum number of ricochets (change to 64 for 4 max ricochets) 0a:da28 0c 36 bcc $da60 WHEN EGG HAS REACHED LAST RICOCHET, DISABLE IT 0a:da2a d0 inc r0 r0=$0005 0a:da2b f0 9e 00 iwt r0,#$009e r0=$009e 0a:da2e 3e alt2 ALT2=1 0a:da2f a0 3d sms ($007a),r0 SRAM=00:007A ALT2=0 0a:da31 a5 0e ibt r5,#$0e r5=$000e 0a:da33 f0 c0 0e iwt r0,#$0ec0 r0=$0ec0 0a:da36 51 add r1 r0=$0f4c CY=0 0a:da37 b5 from r5 0a:da38 30 stw (r0) SRAM=00:0F4C 70159A egg slot address for ricochet counter SET INITIAL SPEED FOR YOSHI'S JUMP 0b:e0b1 f0 60 fb iwt r0,#$fb60 r0=$fb60 0b:e0b4 3e alt2 ALT2=1 0b:e0b5 a0 55 sms ($00aa),r0 SRAM=00:00AA ALT2=0 LOAD OBJECT SEQUENCE $03/9A90 BD 60 73 LDA $7360,x[$03:73BC] A:9A8F X:005C Y:0010 P:eNvmXdizc load object byte $03/9A93 0A ASL A A:00AD X:005C Y:0010 P:envmXdizc $03/9A94 7D 60 73 ADC $7360,x[$03:73BC] A:015A X:005C Y:0010 P:envmXdizc $03/9A97 C2 10 REP #$10 A:0207 X:005C Y:0010 P:envmXdizc $03/9A99 DA PHX A:0207 X:005C Y:0010 P:envmxdizc $03/9A9A AA TAX A:0207 X:005C Y:0010 P:envmxdizc $03/9A9B BF 2E 85 03 LDA $03852E,x[$03:8735] A:0207 X:0207 Y:0010 P:envmxdizc $03/9A9F 85 00 STA $00 [$00:7960] A:DAC3 X:0207 Y:0010 P:eNvmxdizc $03/9AA1 BF 30 85 03 LDA $038530,x[$03:8737] A:DAC3 X:0207 Y:0010 P:eNvmxdizc $03/9AA5 85 02 STA $02 [$00:7962] A:1405 X:0207 Y:0010 P:envmxdizc $03/9AA7 FA PLX A:1405 X:0207 Y:0010 P:envmxdizc $03/9AA8 E2 10 SEP #$10 A:1405 X:005C Y:0010 P:envmxdizc $03/9AAA A8 TAY A:1405 X:005C Y:0010 P:envmXdizc $03/9AAB 5A PHY A:1405 X:005C Y:0005 P:envmXdizc $03/9AAC AB PLB A:1405 X:005C Y:0005 P:envmXdizc $03/9AAD DC 60 79 JML [$7960][$05:DAC3] A:1405 X:005C Y:0005 P:envmXdizc jump to object sequence code $05/DAC3 22 52 AA 03 JSL $03AA52[$03:AA52] A:1405 X:005C Y:0005 P:envmXdizc STORE NUMBER OF STARS TO SPAWN FROM A ? CLOUD $03/C7F5 A9 05 00 LDA #$0005 A:0182 X:0182 Y:0028 P:envmxdizc $03/C7F8 4C 6F C7 JMP $C76F [$03:C76F] A:0005 X:0182 Y:0028 P:envmxdizc $03/C76F 85 08 STA $08 [$00:7968] A:0005 X:0182 Y:0028 P:envmxdizc STORE NUMBER OF STARS TO SPAWN FROM A RED EGG $03/B42A A9 01 00 LDA #$0001 A:0002 X:0002 Y:0034 P:envmXdizc numbers of stars equals this + 1 $03/B42D 80 03 BRA $03 [$B432] A:0001 X:0002 Y:0034 P:envmXdizc $03/B432 85 08 STA $08 [$00:7968] A:0001 X:0002 Y:0034 P:envmXdizc $03/B434 AD B6 03 LDA $03B6 [$03:03B6] A:0001 X:0002 Y:0034 P:envmXdizc $03/B437 C9 2C 01 CMP #$012C A:006D X:0002 Y:0034 P:envmXdizc $03/B43A A9 A2 01 LDA #$01A2 A:006D X:0002 Y:0034 P:eNvmXdizc $03/B43D 90 03 BCC $03 [$B442] A:01A2 X:0002 Y:0034 P:envmXdizc $03/B442 22 77 A3 03 JSL $03A377[$03:A377] A:01A2 X:0002 Y:0034 P:envmXdizc MAXIMUM NUMBER OF EGGS GENERATED FROM EGG BLOCK $05/FEE9 A6 12 LDX $12 [$00:7972] A:0020 X:0009 Y:0000 P:envmXdiZC $05/FEEB AD 0C 30 LDA $300C [$05:300C] A:0020 X:0058 Y:0000 P:envmXdizC $05/FEEE C9 06 00 CMP #$0006 A:0000 X:0058 Y:0000 P:envmXdiZC check if 6 eggs on screen $05/FEF1 B0 3A BCS $3A [$FF2D] A:0000 X:0058 Y:0000 P:eNvmXdizc $05/FEF3 A9 25 00 LDA #$0025 A:0000 X:0058 Y:0000 P:eNvmXdizc set green egg object $05/FEF6 22 4C A3 03 JSL $03A34C[$03:A34C] A:0025 X:0058 Y:0000 P:envmXdizc OBJECT EDIBLITY 09:8321 47 ldw (r7) r0=$68a2 SRAM=00:0FFC 09:8322 95 sex r0=$ffa2 S=1 09:8323 0a 11 bpl $8336 branch if not a painful object 09:8325 60 sub r0 r0=$0000 Z=1 S=0 09:8326 d0 inc r0 r0=$0001 Z=0 09:8327 3e alt2 ALT2=1 09:8328 a0 af sms ($015e),r0 SRAM=00:015E ALT2=0 09:832a a0 14 ibt r0,#$14 r0=$0014 object causes pain to tongue 09:832c 3e alt2 ALT2=1 09:832d a0 b0 sms ($0160),r0 SRAM=00:0160 ALT2=0 CHECK IF CRAB HAS BEEN HIT $05/86C8 BC 36 7D LDY $7D36,x[$05:7D82] A:05D5 X:004C Y:0000 P:envmXdizC $05/86CB 88 DEY A:05D5 X:004C Y:0055 P:envmXdizC $05/86CC 30 42 BMI $42 [$8710] A:05D5 X:004C Y:0054 P:envmXdizC branch if crab hasn't been hit $05/86CE B9 00 6F LDA $6F00,y[$05:6F54] A:05D5 X:004C Y:0054 P:envmXdizC $05/86D1 C9 10 00 CMP #$0010 A:0010 X:004C Y:0054 P:envmXdizC $05/86D4 D0 3A BNE $3A [$8710] A:0010 X:004C Y:0054 P:envmXdiZC $05/86D6 B9 38 7D LDA $7D38,y[$05:7D8C] A:0010 X:004C Y:0054 P:envmXdiZC $05/86D9 F0 35 BEQ $35 [$8710] A:0018 X:004C Y:0054 P:envmXdizC $05/86DB BB TYX A:0018 X:004C Y:0054 P:envmXdizC $05/86DC 22 5B B2 03 JSL $03B25B[$03:B25B] A:0018 X:0054 Y:0054 P:envmXdizC MOVE EGG TARGET 0b:e404 a0 77 lms r0,($00ee) r0=$0400 SRAM=00:00EE ALT1=0 0b:e406 1e to r14 0b:e407 67 sub r7 r14=$de00 Z=0 S=1 0b:e408 09 07 beq $e411 0b:e40a 01 nop 0b:e40b f6 c0 00 iwt r6,#$00c0 r6=$00c0 speed of target 0b:e40e 0b 04 bmi $e414 r15=$e414 0b:e413 01 nop 0b:e414 3e alt2 ALT2=1 0b:e415 a6 78 sms ($00f0),r6 SRAM=00:00F0 ALT2=0 0b:e417 56 add r6 r0=$04c0 S=0 0b:e418 20 with r0 B=1 0b:e419 1e move r14,r0 r14=$04c0 B=0 0b:e41a 67 sub r7 r0=$dec0 S=1 0b:e41b 3d alt1 ALT1=1 0b:e41c c6 xor r6 r0=$de00 ALT1=0 0b:e41d 2e with r14 B=1 0b:e41e 10 move r0,r14 r0=$04c0 B=0 0b:e41f 0b 03 bmi $e424 r15=$e424 0b:e423 01 nop 0b:e424 05 1f bra $e445 r15=$e445 0b:e444 01 nop 0b:e445 3e alt2 ALT2=1 0b:e446 a0 77 sms ($00ee),r0 SRAM=00:00EE ALT2=0 SET INITIAL POSITION OF EGG TARGET 0b:e5ec f7 00 04 iwt r7,#$0400 r7=$0400 position 0b:e5ef 3d alt1 ALT1=1 0b:e5f0 f0 71 00 lm r0,($0071) r0=$8000 SRAM=00:0071 ALT1=0 0b:e5f3 3e alt2 ALT2=1 0b:e5f4 78 and #8 r0=$0000 ALT2=0 0b:e5f5 09 04 beq $e5fb r15=$e5fb 0b:e5fa 01 nop 0b:e5fb 60 sub r0 0b:e5fc 3e alt2 ALT2=1 0b:e5fd a0 70 sms ($00e0),r0 SRAM=00:00E0 ALT2=0 0b:e5ff 3e alt2 ALT2=1 0b:e600 a7 77 sms ($00ee),r7 SRAM=00:00EE ALT2=0 CHECK IF EGG TARGET AT MAX DEGREE 0b:e434 f7 00 2e iwt r7,#$2e00 0b:e437 67 sub r7 r0=$0000 0b:e438 0c 0b bcc $e445 COMPARE CURRENT HORIZ. SPEED TO MAX 0b:e250 ef getbh r8=$0300 ROM=0A:EC2C ALT1=0 0b:e251 3d alt1 ALT1=1 0b:e252 a0 5a lms r0,($00b4) r0=$02f0 SRAM=00:00B4 ALT1=0 LOAD MAX HORIZ. JUMPING SPEED 0b:e0d0 f4 00 03 iwt r4,#$0300 r4=$0300 LOAD SPEED DECREMENT VALUE FOR VERT. JUMPING 0b:ce1b a7 28 ibt r7,#$28 r7=$0028 SET MAXIMUM FALLING SPEED 0b:ce2c f0 00 04 iwt r0,#$0400 r0=$0400 0b:ce2f 62 sub r2 r0=$ff60 S=1 0b:ce30 0d 03 bcs $ce35 SET OBJECT FOR HOOKBILL TO SPIT OUT $01/9047 A6 12 LDX $12 [$00:7972] A:0020 X:0009 Y:0000 P:envmXdiZC $01/9049 AC 0C 30 LDY $300C [$01:300C] A:0020 X:0044 Y:0000 P:envmXdizC $01/904C C0 06 CPY #$06 A:0020 X:0044 Y:0000 P:envmXdiZC check if six eggs on screen $01/904E 30 27 BMI $27 [$9077] A:0020 X:0044 Y:0000 P:eNvmXdizc $01/9077 A9 25 00 LDA #$0025 A:0020 X:0044 Y:0000 P:eNvmXdizc set green egg $01/907A 22 64 A3 03 JSL $03A364[$03:A364] A:0025 X:0044 Y:0000 P:envmXdizc CHECK DAMAGE TO HOOKBILL $01/8F03 EE 7C 10 INC $107C [$01:107C] A:0029 X:0044 Y:0000 P:envmXdizC $01/8F06 EE 7C 10 INC $107C [$01:107C] A:0029 X:0044 Y:0000 P:envmXdizC $01/8F09 AC 7C 10 LDY $107C [$01:107C] A:0029 X:0044 Y:0000 P:envmXdizC $01/8F0C C0 06 CPY #$06 A:0029 X:0044 Y:0002 P:envmXdizC $01/8F0E D0 0A BNE $0A [$8F1A] A:0029 X:0044 Y:0002 P:eNvmXdizc CHECK BASEBALL CATCHER/STRIKER DAMAGE $07/A589 BC C0 77 LDY $77C0,x[$07:7814] A:8001 X:0054 Y:00FF P:eNvmXdizC $07/A58C C0 02 CPY #$02 A:8001 X:0054 Y:0000 P:envmXdiZC $07/A58E B0 3A BCS $3A [$A5CA] A:8001 X:0054 Y:0000 P:eNvmXdizc COINS POP FROM BASEBALL CATCHER/STRIKER $07/A5EF DA PHX A:0004 X:0054 Y:00FF P:envmXdizC $07/A5F0 A6 00 LDX $00 [$00:7960] A:0004 X:0054 Y:00FF P:envmXdizC $07/A5F2 BD E3 A5 LDA $A5E3,x[$07:A5E7] A:0004 X:0004 Y:00FF P:envmXdizC $07/A5F5 85 02 STA $02 [$00:7962] A:FF00 X:0004 Y:00FF P:eNvmXdizC $07/A5F7 BD E9 A5 LDA $A5E9,x[$07:A5ED] A:FF00 X:0004 Y:00FF P:eNvmXdizC $07/A5FA 85 04 STA $04 [$00:7964] A:FE00 X:0004 Y:00FF P:eNvmXdizC $07/A5FC FA PLX A:FE00 X:0004 Y:00FF P:eNvmXdizC $07/A5FD A9 15 01 LDA #$0115 A:FE00 X:0054 Y:00FF P:envmXdizC $07/A600 22 4C A3 03 JSL $03A34C[$03:A34C] A:0115 X:0054 Y:00FF P:envmXdizC SET MAxIMUM NUMBER OF SEEDS/ICE/FIRE FOR A SUPER MELON $01/DB5C A9 03 00 LDA #$0003 A:000E X:000E Y:0000 P:envmXdizc $01/DB5F 8D 6A 61 STA $616A [$01:616A] A:0003 X:000E Y:0000 P:envmXdizc $01/DB62 EE 62 61 INC $6162 [$01:6162] A:0003 X:000E Y:0000 P:envmXdizc $01/DB65 EE 68 61 INC $6168 [$01:6168] A:0003 X:000E Y:0000 P:envmXdizc $01/DB68 A9 5A 00 LDA #$005A A:0003 X:000E Y:0000 P:envmXdizc number $01/DB6B 8D 70 61 STA $6170 [$01:6170] A:005A X:000E Y:0000 P:envmXdizc $01/DB6E A9 14 00 LDA #$0014 A:005A X:000E Y:0000 P:envmXdizc $01/DB71 22 D2 85 00 JSL $0085D2[$00:85D2] A:0014 X:000E Y:0000 P:envmXdizc SET MAXIMUM NUMBER OF SEEDS FOR A MELON $03/9BA3 A9 0A 00 LDA #$000A A:001E X:0050 Y:0001 P:envmXdizC $03/9BA6 8D 70 61 STA $6170 [$03:6170] A:000A X:0050 Y:0001 P:envmXdizC SET MAXIMUM NUMBER OF ICE/FIRE FOR A MELON $03/9B9B A9 1E 00 LDA #$001E A:0009 X:0058 Y:0001 P:envmXdiZC $03/9B9E BC 02 74 LDY $7402,x[$03:745A] A:001E X:0058 Y:0001 P:envmXdizC $03/9BA1 F0 03 BEQ $03 [$9BA6] A:001E X:0058 Y:0000 P:envmXdiZC $03/9BA6 8D 70 61 STA $6170 [$03:6170] A:001E X:0058 Y:0000 P:envmXdiZC DECREMENT ICE/FIRE 0b:e8c8 a0 b8 lms r0,($0170) r0=$0050 SRAM=00:0170 ALT1=0 0b:e8ca 3e alt2 ALT2=1 0b:e8cb 6a sub #10 r0=$0046 CY=1 ALT2=0 0b:e8cc 90 sbk SET STOMPING SPEED 0b:c930 f0 00 08 iwt r0,#$0800 r0=$0800 0b:c933 3e alt2 ALT2=1 0b:c934 a0 55 sms ($00aa),r0 SRAM=00:00AA ALT2=0 SET EGG TOSSING SPEED $03/BCAA A9 F0 07 LDA #$07F0 A:05A1 X:0058 Y:0034 P:envmXdizc $03/BCAD 8D 0C 30 STA $300C [$03:300C] A:07F0 X:0058 Y:0034 P:envmXdizc SET ACCELERATION FOR SHYGUYS WALKING $04/8DF2 A9 05 00 LDA #$0005 A:059D X:0058 Y:0002 P:envmXdizc $04/8DF5 9D 40 75 STA $7540,x[$04:7598] A:0005 X:0058 Y:0002 P:envmXdizc SET SPEED OF SHY GUY $04/8DD4 B9 9C 8D LDA $8D9C,y[$04:8D9C] A:0000 X:0058 Y:0000 P:envmXdiZC $04/8DD7 9D E0 75 STA $75E0,x[$04:7638] A:FFA7 X:0058 Y:0000 P:eNvmXdizC /////////////////////////////////////////////////////////////////////////////////// ROM ADDRESSES (these are all in lo-rom format) 03852E-038B2A object field functions (3 bytes each) these functions set the following parameters: 1.what to happen when Yoshi touches the object 2.movement/animation sequence 3.what to happen when hit by an egg 4.various properties such as what to generate when touched or hit 048D9C speed of Shy Guy moving left (2 bytes) 048D9E speed of Shy Guy moving right (2 bytes) 0585A3 jumping power of a large arrow (2 bytes) 05DABB stretchy animation values for message box (2 values, 2 bytes each) 08AC98-08AD17 Yellow Bullet Bill speeds 0deg-90deg 08AE18 acceleration value for running 0A9220-0A931F edibility bits 12-8 (8 bytes each) 0A9320-0A971D object edibility (2 bytes each) bit 15 hurts tongue bit 14 does nothing bit 13 bit 12-8 0A971E-0A9B1B what object does when it touches a wall 0A9B1C object size? 0AEC2B maximum speed for running right (2 bytes) 0AEC2D maximum speed for running left (2 bytes) 0AF0B3 speed 1 0AF35D maximum tongue extension (right) 0AF361 maximum tongue extension (left) 0AF36D maximum tongue extension (upward) 098358 time limit for keeping something in mouth (2 bytes: 1200 frames / 20 seconds)
External links
Internal Data for Super Mario World 2: Yoshi's Island
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