Apple-2-SW/lawless-legends
1
0
Fork 0
mirror of https://github.com/badvision/lawless-legends.git synced 2025-02-28 12:29:59 +00:00
Code Issues Projects Releases Wiki Activity

Null ptr check when comparing strings

Browse Source
This commit is contained in:
Martin Haye 2021-10-19 07:58:11 -07:00
parent 5ae48fa4fb
commit 805cfbea02
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Platform/Apple/virtual/src/plasma/gameloop.pla
View File

@ -1000,12 +1000,13 @@ export asm streqi(a, b)#1
+asmPlasmRet 2
sta tmp
sty tmp+1
beq .noteqi ; NULL is never equal
tya
beq .null
lda evalStkL+1,x
sta pTmp
lda evalStkH+1,x
sta pTmp+1
beq .noteqi ; NULL is never equal
beq .null
ldy #0
lda (tmp),y
cmp (pTmp),y
@ -1036,6 +1037,10 @@ export asm streqi(a, b)#1
lda #1
ldy #0 ; okay, they're equal. Return 1 (not just any char; so that PLASMA when...is can work)
rts
.null
lda #$13 ; inverse 'S'
sta $7D0
brk
end
///////////////////////////////////////////////////////////////////////////////////////////////////