alttpr-gwaa-kiwi/alttpr-baserom
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

prevent crashes

Browse Source
This commit is contained in:
spannerisms
2021-12-15 01:11:26 -05:00
parent 580bbb7c67
commit aa6aaffd2f
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
compasses.asm
View File

@@ -14,7 +14,13 @@ endmacro
DrawDungeonCompassCounts:
LDX $1B : BNE + : RTL : + ; Skip if outdoors
LDX $040C : CPX.b #$FF : BEQ .done ; Skip if not in a dungeon
; extra hard safeties for getting dungeon ID to prevent crashes
PHA
LDA.w $040C : AND.w #$00FE : TAX ; force dungeon ID to be multiple of 2
PLA
CPX.b #$1B : BCS .done ; Skip if not in a valid dungeon ID
CMP.w #$0002 : BEQ ++ ; if CompassMode==2, we don't check for the compass
LDA $7EF364 : AND.l DungeonItemMasks, X ; Load compass values to A, mask with dungeon item masks