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Minor optimization on handling special door landing

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aerinon
2023-02-17 23:48:08 -07:00
parent ff6b8b996b
commit 2411d0344e
1 changed files with 13 additions and 16 deletions
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29
doorrando/normal.asm
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@@ -421,23 +421,20 @@ InroomStairsTrapDoor:
HandleSpecialDoorLanding: { HandleSpecialDoorLanding: {
LDA.l $7F2000,X ; what we wrote over LDA.l $7F2000,X ; what we wrote over
SEP #$30 SEP #$30
JSL HandleIncomingDoorState ; A = tiletype
HandleIncomingDoorState:
PHA
LDA.l DRMode : BEQ .noDoor
PLA : PHA : AND.b #$FA : CMP.b #$80 : bne .noDoor
.setDoorState
LDA.w $0418 : AND.b #$02 : BNE + : INC
+ STA.b $6C
.noDoor
PLA
CMP #$34 : bne + ; inroom stairs CMP #$34 : bne + ; inroom stairs
PHA : LDA #$26 : STA $045E : PLA PHA : LDA #$26 : STA $045E : PLA
+ +
RTL
} }
; A = tiletype
HandleIncomingDoorState:
{
PHA
LDA.l DRMode : BEQ .noDoor
PLA : PHA : AND.b #$FA : CMP.b #$80 : bne .noDoor
.setDoorState
LDA.w $0418 : AND.b #$02 : BNE + : INC
+ STA.b $6C
.noDoor
PLA : RTL
}