39 lines
1.5 KiB
NASM
39 lines
1.5 KiB
NASM
;================================================================================
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; Lamp Mantle & Light Cone Fix
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;--------------------------------------------------------------------------------
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; Output: 0 for darkness, 1 for lamp cone
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;--------------------------------------------------------------------------------
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LampCheck:
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LDA $7EF34A : BNE .done ; skip if we already have lantern
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LDA $7EF3CA : BNE +
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.lightWorld
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LDA $040C : BNE ++ ; check if we're in sewers
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LDA LampConeSewers : BRA .done
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++
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LDA LampConeLightWorld : BRA .done
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+
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.darkWorld
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LDA LampConeDarkWorld
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.done
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;BNE + : STZ $1D : + ; remember to turn cone off after a torch
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RTL
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;================================================================================
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;--------------------------------------------------------------------------------
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; Output: 0 locked, 1 open
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;--------------------------------------------------------------------------------
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CheckForZelda:
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LDA.l OpenMode : BEQ + ; Skip if not open mode
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LDA.b #$01 ; open mode, pretend we have zelda anyway
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RTL
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+
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LDA $7EF3CC
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RTL
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;================================================================================
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;--------------------------------------------------------------------------------
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SetOverlayIfLamp:
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LDA $7EF34A ; check if lamp
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STA $1D ; write it directly to the overlay, this isn't a terrible idea at all
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RTL
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;================================================================================
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;LDA $7EF3CA : EOR #$40 : LSR #6 : AND #$01 ; return the same result as having the lantern in the light world |