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
113 lines
3.2 KiB
NASM
113 lines
3.2 KiB
NASM
;================================================================================
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; Hard & Masochist Mode
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;================================================================================
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CalculateSpikeFloorDamage:
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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
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SEP #$20 ; set 8-bit accumulator
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BNE +
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LDA.l ByrnaCaveSpikeDamage
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STA.w $0373
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RTL
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+
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LDA.w $D055, Y
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STA.w $0373
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RTL
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;--------------------------------------------------------------------------------
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CalculateByrnaUsage:
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LDA.b $1B : BEQ ++
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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 #95 : BEQ + ; Ice Palace Spike Room
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CMP.w #172 : BEQ + ; Blind Boss Room
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CMP.w #179 : BEQ + ; Room in Misery Mire
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CMP.w #213 : BEQ + ; Laser Bridge
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CMP.w #279 : BEQ + ; Spike Cave
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SEP #$20 ; set 8-bit accumulator
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BRA ++
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+
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SEP #$20 ; set 8-bit accumulator
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PHX : TYX
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LDA.l HardModeExclusionCaneOfByrnaUsage, X : STA.b Scrap00
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PLX
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++
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LDA.l CurrentMagic ; thing we wrote over
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JML IncrementMagicUseCounterByrna
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;--------------------------------------------------------------------------------
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CalculateCapeUsage:
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LDA.b $1B : BEQ ++
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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 #95 : BEQ + ; Ice Palace Spike Room
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CMP.w #179 : BEQ + ; Room in Misery Mire
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CMP.w #213 : BEQ + ; Laser Bridge
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CMP.w #279 : BEQ + ; Spike Cave
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SEP #$20 ; set 8-bit accumulator
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BRA ++
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+
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SEP #$20 ; set 8-bit accumulator
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PHX : TYX
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LDA.l HardModeExclusionCapeUsage, X : STA.b $4C ; set cape decrement timer
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PLX
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++
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JML IncrementMagicUseCounterOne
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;--------------------------------------------------------------------------------
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ActivateInvulnerabilityOrDont:
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LDA.b $1B : BEQ .nowhere_special
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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 #95 : BEQ .somewhere_cool ; Ice Palace Spike Room
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CMP.w #179 : BEQ .somewhere_cool ; Room in Misery Mire
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CMP.w #213 : BEQ .somewhere_cool ; Laser Bridge
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CMP.w #279 : BEQ .somewhere_cool ; Spike Cave
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SEP #$20 ; set 8-bit accumulator
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BRA .nowhere_special
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.somewhere_cool
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SEP #$20 ; set 8-bit accumulator
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LDA.b #$01 : STA.w $037B : RTL
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.nowhere_special
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LDA.l ByrnaInvulnerability : STA.w $037B
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RTL
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;--------------------------------------------------------------------------------
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GetItemDamageValue:
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CPX.b #$03 : BEQ .boomerang
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CPX.b #$04 : BEQ .boomerang
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CPX.b #$05 : BEQ .boomerang
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CPX.b #$39 : BEQ .hookshot
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CPX.b #$3b : BEQ .hookshot
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CPX.b #$3c : BEQ .hookshot
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CPX.b #$3d : BEQ .hookshot
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.normal
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LDA.l $0db8f1,x ;what we wrote over
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RTL
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.boomerang
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LDA.l StunItemAction : AND #$01 : BNE .normal
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BRA .noDamage
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.hookshot
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LDA.l StunItemAction : AND #$02 : BNE .normal
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.noDamage
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LDA.b #$00
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RTL
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;--------------------------------------------------------------------------------
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;Argument : A = id we want to find return 00 if none found, 01 if found
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SearchAncilla:
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{
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STA.b Scrap05
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PHX
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LDX #$00
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.loop
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LDA.w $0C4A, X
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INX : CPX #$0A : BEQ .notFound
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CMP Scrap05 : BNE .loop
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LDA.b #$01
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BRA .return
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.notFound
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LDA.b #$00
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.return
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PLX
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RTS
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}
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