109 lines
2.9 KiB
NASM
109 lines
2.9 KiB
NASM
;================================================================================
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; Accessability Fixes
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;================================================================================
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FlipGreenPendant:
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LDA $0C : CMP #$38 : BNE + ; check if we have green pendant
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ORA #$40 : STA $0C ; flip it
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+
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LDA $0D : STA $0802, X ; stuff we wrote over "Set CHR, palette, and priority of the sprite"
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LDA $0C : STA $0803, X
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RTL
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;================================================================================
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!EPILEPSY_TIMER = "$7F5041"
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SetEtherFlicker:
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LDA.l Seizure_Safety : BNE +
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LDA $031D : CMP.b #$0B : RTL
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+
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LDA !EPILEPSY_TIMER : INC : STA !EPILEPSY_TIMER
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LDA.l Seizure_Safety : CMP !EPILEPSY_TIMER : BNE +++
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LDA.b #$00 : STA !EPILEPSY_TIMER : BRA ++
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+++
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LSR : CMP !EPILEPSY_TIMER : !BLT ++
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SEP #$02 : RTL
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++
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REP #$02
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+
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RTL
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;================================================================================
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ConditionalLightning:
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CMP.b #$05 : BEQ ++
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CMP.b #$2C : BEQ ++
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CMP.b #$5A : BEQ ++
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LDA.l DisableFlashing : BNE ++
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LDA.b #$32 : STA.w $9A
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RTL
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++
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LDA.b #$72
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STA $9A
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RTL
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;================================================================================
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ConditionalWhitenColor:
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PHA
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STA $00
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AND.w #$001F : ADC.w #$000E
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CMP.w #$001F : BCC +
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LDA.w #$001F
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+
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STA $02
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LDA $00 : AND.w #$03E0 : ADC.w #$01C0
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CMP.w #$03E0 : BCC +
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LDA.w #$03E0
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+
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STA $04
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LDA $00 : AND.w #$7C00 : ADC.w #$3800
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CMP.w #$7C00 : BCC +
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LDA.w #$7C00
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+
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ORA $02 : ORA $04
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PHA
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LDA.l DisableFlashing : BNE +
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PLA : PLY : PLY
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RTL
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+
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PLA : PLA : LDY $0000
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RTL
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;================================================================================
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DDMConditionalLightning:
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LDA.l DisableFlashing
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REP #$20
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BNE +
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LDA.w $0000
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LDX.b #$02
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JML $07FA7F
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+
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LDA.b $00
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-
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LDA $F4EB, Y : LDA $7EC560, X
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LDA $F4F9, Y : LDA $7EC570, X
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LDA $F507, Y : LDA $7EC590, X
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LDA $F515, Y : LDA $7EC5E0, X
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LDA $F523, Y : LDA $7EC5F0, X
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INY #2
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INX #2 : CPX.b #$10 : BNE -
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LDX.b #$02
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JML $07FAAC
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;================================================================================
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ConditionalGTFlash:
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LDA.l DisableFlashing : BNE +
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REP #$20
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BNE +
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LDA $0000
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-
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LDA $F9C1, Y : STA $7EC5D0, X
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INY #2
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INX #2 : CPX.b #$10 : BNE -
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RTL
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+
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LDA $00
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--
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LDA $F9C1, Y : LDA $7EC5D0, X
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INY #2
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INX #2 : CPX.b #$10 : BNE --
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RTL
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