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
91 lines
2.6 KiB
NASM
91 lines
2.6 KiB
NASM
;--------------------------------------------------------------------------------
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; $7F5092 - Potion Animation Busy Flags (Health)
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; $7F5093 - Potion Animation Busy Flags (Magic)
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;--------------------------------------------------------------------------------
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RefillHealth:
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REP #$20 ; set 16-bit accumulator
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LDA.b RoomIndex ; these are all decimal because i got them that way
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CMP.w #279 : BNE + ; Spike Cave bottles work normally
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SEP #$20 ; set 8-bit accumulator
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LDA.b #$A0
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BRA .done
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+
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SEP #$20 ; set 8-bit accumulator
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LDA.l PotionHealthRefill : CMP.b #$A0 : !BGE .done
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LDA.l BusyHealth : BNE ++
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LDA.l PotionHealthRefill ; load refill amount
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!ADD CurrentHealth ; add to current health
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CMP.l MaximumHealth : !BLT +++ : LDA.l MaximumHealth : +++
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STA.l BusyHealth
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++
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LDA.l CurrentHealth : CMP.l BusyHealth : !BLT ++
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LDA.b #$00 : STA.l HeartsFiller
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LDA.w $020A : BNE .notDone
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LDA.b #$00 : STA.l BusyHealth
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SEC
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RTL
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++
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LDA.b #$08 : STA.l HeartsFiller ; refill some health
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.notDone
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CLC
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RTL
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.done
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; Check goal health versus actual health.
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; if(actual < goal) then branch.
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LDA.l CurrentHealth : CMP.l MaximumHealth : BCC .refillAllHealth
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LDA.l MaximumHealth : STA.l CurrentHealth
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LDA.b #$00 : STA.l HeartsFiller
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; ??? not sure what purpose this branch serves.
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LDA.w $020A : BNE .beta
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SEC
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RTL
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.refillAllHealth
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; Fill up ze health.
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LDA.b #$A0 : STA.l HeartsFiller
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.beta
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CLC
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RTL
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;--------------------------------------------------------------------------------
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RefillMagic:
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REP #$20 ; set 16-bit accumulator
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LDA.b RoomIndex ; these are all decimal because i got them that way
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CMP.w #279 : BNE + ; Spike Cave bottles work normally
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SEP #$20 ; set 8-bit accumulator
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LDA.b #$80
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BRA .done
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+
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SEP #$20 ; set 8-bit accumulator
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LDA.l PotionMagicRefill : CMP.b #$80 : !BGE .done
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LDA.l BusyMagic : BNE ++
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LDA.l PotionMagicRefill ; load refill amount
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!ADD CurrentMagic ; add to current magic
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CMP.b #$80 : !BLT +++ : LDA.b #$80 : +++
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STA.l BusyMagic
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++
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LDA.l CurrentMagic : CMP.l BusyMagic : !BLT ++
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LDA.b #$00 : STA.l BusyMagic
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SEC
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RTL
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++
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LDA.b #$01 : STA.l MagicFiller ; refill some magic
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CLC
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RTL
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.done
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SEP #$30
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; Check if Link's magic meter is full
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LDA.l CurrentMagic : CMP.b #$80
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BCS .itsFull
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; Tell the magic meter to fill up until it's full.
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LDA.b #$80 : STA.l MagicFiller
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SEP #$30
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RTL
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.itsFull
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; Set the carry, signifying we're done filling it.
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SEP #$31
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RTL
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;--------------------------------------------------------------------------------
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