ff88437f8e
turn a bunch of addresses into fast rom bunch of consistency clean ups in hooks move zsnes to failures
42 lines
1.7 KiB
NASM
42 lines
1.7 KiB
NASM
;================================================================================
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; Frame Hook
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;--------------------------------------------------------------------------------
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FrameHookAction:
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JSL $8080B5 ; Module_MainRouting
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JSL CheckMusicLoadRequest
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PHP : REP #$30 : PHA
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SEP #$20
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LDA.l StatsLocked : BNE ++
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REP #$20 ; set 16-bit accumulator
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LDA.l LoopFrames : INC : STA.l LoopFrames : BNE +
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LDA.l LoopFrames+2 : INC : STA.l LoopFrames+2
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+
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LDA.l GameMode : CMP.w #$010E : BNE ++ ; move this to nmi hook?
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LDA.l MenuFrames : INC : STA.l MenuFrames : BNE ++
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LDA.l MenuFrames+2 : INC : STA.l MenuFrames+2
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++
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REP #$30 : PLA : PLP
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RTL
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;--------------------------------------------------------------------------------
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NMIHookAction:
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PHA : PHX : PHY : PHD ; thing we wrote over, push stuff
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LDA.l StatsLocked : AND.w #$00FF : BNE +
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LDA.l NMIFrames : INC : STA.l NMIFrames : BNE +
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LDA.l NMIFrames+2 : INC : STA.l NMIFrames+2
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+
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JML.l NMIHookReturn
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;--------------------------------------------------------------------------------
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PostNMIHookAction:
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LDA.w NMIAux : BEQ +
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PHK : PEA .return-1 ; push stack for RTL return
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JMP.w [NMIAux]
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.return
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STZ.w NMIAux ; zero bank byte of NMI hook pointer
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+
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LDA.b INIDISPQ : STA.w INIDISP ; thing we wrote over, turn screen back on
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JML.l PostNMIHookReturn
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;--------------------------------------------------------------------------------
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