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Notes:Super Mario Bros.

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This page contains notes for the game Super Mario Bros..

Super Mario Bros. / Duck Hunt

Europe:

SMB:

78 D8 A9 10 8D 00 20 A2 FF 9A AD 02 20 10 FB AD

SMB/DH:

78 A9 11 8D 02 80 4C 00 80 9A AD 02 20 10 FB AD

USA:

SMB:

78 D8 A9 10 8D 00 20 A2 FF 9A AD 02 20 10 FB AD

SMB/DH:

78 A9 11 8D 02 80 4C 00 80 9A AD 02 20 10 FB AD

This is what it appears the diff is:

SMB:

PRG
PPU_CTRL_REG1 = $2000
78        sei                 ;pretty standard 6502 type init here
D8        cld
A9 10     lda #%00010000      ;init PPU control register 1 
8D 00 20  sta PPU_CTRL_REG1
A2 FF     ldx #$ff            ;reset stack pointer
9A        txs

SMB/DH:

PPU_CTRL_REG1 = $8002
78        sei                 ;pretty standard 6502 type init here
A9 11     lda #%00010001      ;init PPU control register 1 
8D 02 80  sta PPU_CTRL_REG1
4C 00 80  jmp $8000
9A        txs


(Source: eientei95)