788cceaab9
Deleted several unused modules and some commented code Reorganized some routines to clean up modules Moved some memory into mirrored WRAM Refactored NMI hook aux routine Removed old fake flipper fix
48 lines
1.4 KiB
NASM
48 lines
1.4 KiB
NASM
;================================================================================
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; Frame Hook
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;--------------------------------------------------------------------------------
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FrameHookAction:
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JSL $0080B5 ; 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 $10 : 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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++
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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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++
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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 $13 : 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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