99 lines
2.8 KiB
NASM
99 lines
2.8 KiB
NASM
;================================================================================
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; Frame Hook
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;--------------------------------------------------------------------------------
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; $7EF42Ew[2] - loop frame counter (low)
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!LOOP_FRAMES_LOW = "$7EF42E"
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;--------------------------------------------------------------------------------
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; $7EF430w[2] - loop frame counter (high)
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!LOOP_FRAMES_HIGH = "$7EF430"
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;--------------------------------------------------------------------------------
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; $7EF43Ew[2] - nmi frame counter (low)
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!NMI_FRAMES_LOW = "$7EF43E"
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;--------------------------------------------------------------------------------
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; $7EF440w[2] - nmi frame counter (high)
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!NMI_FRAMES_HIGH = "$7EF440"
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;--------------------------------------------------------------------------------
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; $7EF444w[2] - item menu frame counter (low)
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!ITEM_FRAMES_LOW = "$7EF444"
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;--------------------------------------------------------------------------------
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; $7EF446w[2] - item menu frame counter (high)
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!ITEM_FRAMES_HIGH = "$7EF446"
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;--------------------------------------------------------------------------------
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!LOCK_STATS = "$7EF443"
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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 EnableSRAMTrace : AND.l TournamentSeedInverse : BEQ +
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; LDA $1A : BNE ++ : JSL.l WriteStatusPreview : ++ ; write every 256 frames
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;+
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LDA !LOCK_STATS : BNE ++
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REP #$20 ; set 16-bit accumulator
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LDA !LOOP_FRAMES_LOW : INC : STA !LOOP_FRAMES_LOW : BNE +
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LDA !LOOP_FRAMES_HIGH : INC : STA !LOOP_FRAMES_HIGH
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+
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LDA $10 : CMP.w #$010E : BNE + ; move this to nmi hook?
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LDA !ITEM_FRAMES_LOW : INC : STA !ITEM_FRAMES_LOW : BNE +
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LDA !ITEM_FRAMES_HIGH : INC : STA !ITEM_FRAMES_HIGH
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+
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;SEP #$20 ; set 8-bit accumulator ?? check this
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++
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REP #$30 : PLA : PLP
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RTL
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!NMI_MW = "$7F5047"
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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 !NMI_MW : BEQ ++
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PHP
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SEP #$30
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LDA #$00 : STA !NMI_MW
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; Multiworld text
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LDA !NMI_MW+1 : BEQ +
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LDA #$00 : STA !NMI_MW+1
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JSL.l WriteText
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+
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PLP
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++
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LDA !LOCK_STATS : AND.w #$00FF : BNE ++
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LDA !NMI_FRAMES_LOW : INC : STA !NMI_FRAMES_LOW : BNE +
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LDA !NMI_FRAMES_HIGH : INC : STA !NMI_FRAMES_HIGH
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+
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++
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JML.l NMIHookReturn
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;--------------------------------------------------------------------------------
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!NMI_AUX = "$7F5044"
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PostNMIHookAction:
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LDA.l !NMI_AUX+2 : BEQ .return
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PHK
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PEA .return-1
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PHA
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LDA.b #$00 : STA.l !NMI_AUX+2
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REP #$20
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LDA.l !NMI_AUX+0 : DEC : PHA
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SEP #$20
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RTL
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.return
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LDA.b $13 : STA.w $2100
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JML.l PostNMIHookReturn
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;-------------------------------------------------------------------------------- |