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initreg.asm
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;----------------------------------------------------------------------------
; SNES Startup Routine
; Copyright (C) 2007, Tekepen
;----------------------------------------------------------------------------
.setcpu "65816"
.autoimport on
.export InitRegs
.segment "STARTUP"
.proc InitRegs
sep #$20 ; A 8bit
.a8
lda #$8f
sta $2100
stz $2101
stz $2102
stz $2103
stz $2105
stz $2106
stz $2107
stz $2108
stz $2109
stz $210a
stz $210b
stz $210c
stz $210d
stz $210d
stz $210e
stz $210e
stz $210f
stz $210f
stz $2110
stz $2110
stz $2111
stz $2111
stz $2112
stz $2112
stz $2113
stz $2113
stz $2114
stz $2114
lda #$80
sta $2115
stz $2116
stz $2117
stz $211a
stz $211b
lda #$01
sta $211b
stz $211c
stz $211c
stz $211d
stz $211d
stz $211e
stz $211e
stz $211f
stz $211f
stz $2120
stz $2120
stz $2121
stz $2123
stz $2124
stz $2125
stz $2126
stz $2127
stz $2128
stz $2129
stz $212a
stz $212b
lda #$01
sta $212c
stz $212d
stz $212e
stz $212f
lda #$30
sta $2130
stz $2131
lda #$e0
sta $2132
stz $2133
stz $4200
lda #$ff
sta $4201
stz $4202
stz $4203
stz $4204
stz $4205
stz $4206
stz $4207
stz $4208
stz $4209
stz $420a
stz $420b
stz $420c
stz $420d
rts
.endproc