alttpr-gwaa-kiwi/alttpr-baserom
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initial checkin

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Karkat
2017-05-17 13:00:32 -04:00
parent 81b12bde40
commit f755a63925
78 changed files with 11500 additions and 21 deletions
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init.asm Normal file
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;--------------------------------------------------------------------------------
; Init_Primary
;--------------------------------------------------------------------------------
; This can be as inefficient as we want. Interrupts are off when this gets
; called and it only gets called once ever during RESET.
;--------------------------------------------------------------------------------
Init_Primary:
LDA #$00
LDX #$00 ; initalize our ram
-
STA $7EC025, X
STA $7F5000, X
INX
CPX #$10 : !BLT -
LDX #$10 ; initalize more ram
-
STA $7F5000, X
INX
CPX #$FF : !BLT -
LDA.b #$01 : STA $420D ; enable fastrom access on upper banks
LDA.b #$81 : STA $4200 ; thing we wrote over, turn on NMI & gamepad
RTL
;--------------------------------------------------------------------------------