Files
alttpr-baserom/medallions.asm
cassidoxa 3e2362b7ca Implement initial SRAM table
Data in initialsramtable.asm gets copied to SRAM on save file init
Frontend will be responsible for setting this, requires frontend changes
Changed some label names to disambiguate WRAM and SRAM labels
Deleted open mode
2022-02-03 20:25:32 -05:00

77 lines
2.3 KiB
NASM

;================================================================================
; Medallion Changes & Fixes
;--------------------------------------------------------------------------------
TryOpenMire:
; Checks if we're in the Swamp of Evil.
LDA $8A : CMP.b #$70 : BNE .untriggered
; Checks whether the Misery Mire dungeon is already revealed.
LDA OverworldEventDataWRAM+$70 : AND.b #$20 : BNE .untriggered
; You have to be in the trigger window.
LDY.b #$02 : JSL.l Ancilla_CheckIfEntranceTriggered : BCC .untriggered
; Do the 3rd animation for opening entrances
LDA.b #$03 : STA $04C6
STZ $B0 ; reset the sub-submodule index
STZ $C8 ; reset this other index.
.untriggered
RTL
;--------------------------------------------------------------------------------
TryOpenTRock:
; Checks if we're at Turtle Rock.
LDA $8A : CMP.b #$47 : BNE .untriggered
; Checks whether the Turtle Rock dungeon is already revealed.
LDA OverworldEventDataWRAM+$47 : AND.b #$20 : BNE .untriggered
; You have to be in the trigger window.
LDY.b #$03 : JSL.l Ancilla_CheckIfEntranceTriggered : BCC .untriggered
; Do the 4rd animation for opening entrances
LDA.b #$04 : STA $04C6
STZ $B0 ; reset the sub-submodule index
STZ $C8 ; reset this other index.
.untriggered
RTL
;--------------------------------------------------------------------------------
MedallionTrigger_Bombos:
STZ $50 ; stuff we wrote over
STZ $0FC1
PHA
LDA.l MireRequiredMedallion : BNE +
JSL.l TryOpenMire
+ LDA.l TRockRequiredMedallion : BNE +
JSL.l TryOpenTRock
+
PLA
RTL
;--------------------------------------------------------------------------------
!EPILEPSY_TIMER = "$7F5041"
MedallionTrigger_Ether:
PHA
LDA.b #$00 : STA !EPILEPSY_TIMER
LDA.l MireRequiredMedallion : CMP.b #$01 : BNE +
JSL.l TryOpenMire
+ LDA.l TRockRequiredMedallion : CMP.b #$01 : BNE +
JSL.l TryOpenTRock
+
PLA
RTL
;--------------------------------------------------------------------------------
MedallionTrigger_Quake:
PHA
LDA.l MireRequiredMedallion : CMP.b #$02 : BNE +
JSL.l TryOpenMire
+ LDA.l TRockRequiredMedallion : CMP.b #$02 : BNE +
JSL.l TryOpenTRock
+
PLA
RTL
;--------------------------------------------------------------------------------