Files
alttpr-baserom/floodgatesoftlock.asm
cassidoxa 788cceaab9 Continue labeling and documentation in ram.asm, main rando block
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
2022-11-16 21:38:28 -05:00

26 lines
1.7 KiB
NASM

;================================================================================
; Floodgate Softlock Fix
;--------------------------------------------------------------------------------
FloodGateAndMasterSwordFollowerReset:
JSL.l MasterSwordFollowerClear
FloodGateReset:
LDA.l PersistentFloodgate : BNE +
LDA.l OverworldEventDataWRAM+$3B : AND.b #$DF : STA.l OverworldEventDataWRAM+$3B ; reset water outside floodgate
LDA.l OverworldEventDataWRAM+$7B : AND.b #$DF : STA.l OverworldEventDataWRAM+$7B ; reset water outside swamp palace
LDA.l RoomDataWRAM[$010B].low : AND.b #$7F : STA.l RoomDataWRAM[$010B].low ; clear water inside floodgate
LDA.l RoomDataWRAM[$28].high : AND.b #$FE : STA.l RoomDataWRAM[$28].high ; clear water front room (room 40)
+
FloodGateResetInner:
LDA.l Bugfix_SwampWaterLevel : BEQ +++
LDA.l RoomDataWRAM[$37].low : AND.b #$04 : BEQ + ; Check if key in room 55 has been collected.
LDA.l FlippersEquipment : AND.b #$01 : BNE ++ ; Check for flippers. This can otherwise softlock doors if flooded without flippers and no way to reset.
+
LDA.l RoomDataWRAM[$37].low : AND.b #$7F : STA.l RoomDataWRAM[$37].low ; clear water room 55 - outer room you shouldn't be able to softlock except in major glitches
++
LDA.l RoomDataWRAM[$35].high : AND.b #$04 : BNE +++ ; Check if key in room 53 has been collected.
; no need to check for flippers on the inner room, as you can't get to the west door no matter what, without flippers.
LDA.l RoomDataWRAM[$35].low : AND.b #$7F : STA.l RoomDataWRAM[$35].low ; clear water room 53 - inner room with the easy key flood softlock
+++
RTL
;================================================================================