Files
alttpr-baserom/flipperkill.asm

97 lines
1.6 KiB
NASM

;================================================================================
; Fake Flippers Softlock Fix
;--------------------------------------------------------------------------------
; Written over and used by OnEnterWater hook.
; UnequipCapeQuiet:
; LDA.b #$20 : STA.w PoofTimer
; STZ.w NoDamage
; STZ.b CapeOn
; STZ.w LinkZap
; RTL
protectff:
LDA.l AllowAccidentalMajorGlitch
BEQ .yes_protect
RTL
.yes_protect
REP #$30
LDA.b LinkPosY
AND.w #$1E00
ASL
ASL
ASL
STA.b Scrap06
LDA.b LinkPosX
AND.w #$1E00
ORA.b Scrap06
XBA
LSR
TAX
SEP #$30
; Remove dark world bit
; in game table that converts coordinates to actual screen ID
; special case for other areas
LDA.b OverworldIndex
BMI .special_overworld
AND.b #$3F
CMP.l Overworld_ActualScreenID,X
BEQ ++
.protect
LDA.b #$15
STA.b LinkState
STZ.b LinkAnimationStep
STZ.b LinkWalkDirection
LDA.b #$02
STA.b LinkDirection
STZ.w MedallionFlag
STZ.w CutsceneFlag
STZ.w NoMenu
++ RTL
.special_overworld
CMP.l .spow,X
BNE .protect
RTL
.spow
db $80, $81, $81, $FF, $FF, $FF, $FF, $FF
db $FF, $81, $81, $FF, $FF, $FF, $FF, $FF
FlipperScrollWarp:
STZ.b Scrap00 : STZ.b Scrap02 ; what we wrote over
LDA.l AllowAccidentalMajorGlitch : BEQ .checkX : RTL
.checkX
LDA.b LinkPosX : CMP.w $0604 : BCC +
CMP.w CameraTargetE : BCS +
BRA .checkY
+ LDA.l $7EC186
STA.b LinkPosX
.checkY
LDA.b LinkPosY : CMP.w $0600 : BCC +
CMP.w CameraTargetS : BCS +
RTL
+ LDA.l $7EC184
STA.b LinkPosY
RTL
pushpc
; fixes incorrect vanilla camera scroll boundary values for Zora's Domain
org $82E4E9 : dw $0600
org $82E529 : dw $0600
pullpc