77 lines
2.0 KiB
NASM
77 lines
2.0 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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!BUSY_HEALTH = $7F5092
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RefillHealth:
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;STA $FFFFFF
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LDA.l PotionHealthRefill : CMP.b #$A0 : !BGE +
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LDA !BUSY_HEALTH : BNE ++
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LDA.l PotionHealthRefill ; load refill amount
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!ADD $7EF36D ; add to current health
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CMP $7EF36C : !BLT +++ : LDA $7EF36C : +++
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STA !BUSY_HEALTH
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++
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LDA $7EF36D : CMP.l !BUSY_HEALTH : !BLT ++
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LDA.b #$00 : STA $7EF372
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LDA $020A : BNE .notDone
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LDA.b #$00 : STA !BUSY_HEALTH
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SEC
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RTL
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++
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LDA.b #$08 : STA $7EF372 ; refill some health
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.notDone
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CLC
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RTL
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+
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; Check goal health versus actual health.
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; if(actual < goal) then branch.
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LDA $7EF36D : CMP $7EF36C : BCC .refillAllHealth
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LDA $7EF36C : STA $7EF36D
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LDA.b #$00 : STA $7EF372
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; ??? not sure what purpose this branch serves.
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LDA $020A : BNE .beta
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SEC
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RTL
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.refillAllHealth
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; Fill up ze health.
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LDA.b #$A0 : STA $7EF372
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.beta
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CLC
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RTL
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;--------------------------------------------------------------------------------
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!BUSY_MAGIC = $7F5093
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RefillMagic:
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LDA.l PotionMagicRefill : CMP.b #$80 : !BGE +
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LDA !BUSY_MAGIC : BNE ++
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LDA.l PotionMagicRefill ; load refill amount
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!ADD $7EF36E ; add to current magic
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CMP.b #$80 : !BLT +++ : LDA.b #$80 : +++
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STA !BUSY_MAGIC
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++
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LDA $7EF36E : CMP.l !BUSY_MAGIC : !BLT ++
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LDA.b #$00 : STA !BUSY_MAGIC
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SEC
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RTL
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++
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LDA.b #$01 : STA $7EF373 ; refill some magic
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CLC
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RTL
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+
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SEP #$30
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; Check if Link's magic meter is full
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LDA $7EF36E : 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 $7EF373
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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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;-------------------------------------------------------------------------------- |