28 lines
757 B
NASM
28 lines
757 B
NASM
CheckEnoughRupeeArrows:
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{
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LDA $0B99 : BNE .minigame_arrow
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PHX ;save X value which is ancilla of the arrow
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REP #$30 ;Set 16bit mode
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LDA $7EF340 : AND #$00FF : TAX ;check what bow we have
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LDA $7EF360 : CMP.l .rupees_cost, X : BCC .not_enough_rupees ;Load Rupees count
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SBC.l .rupees_cost, X : STA $7EF360 ;decrease rupee by 5
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SEP #$30
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PLX
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BRA .ignore_minigame
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.minigame_arrow
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DEC $0B99
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.ignore_minigame
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LDA #$01 ;return 01 if we have enough rupee so it doesnt despawn the arrow
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RTL
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.not_enough_rupees
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SEP #$30
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PLX
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LDA #$00 ;Return 00 if we don't have enough rupee so it despawn the arrow
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RTL
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.rupees_cost ;Normal, Normal, Silver, Silver
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dw #$0005, #$0005, #$000A, #$000A
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}
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