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Mode 4 offset change overflow fix in rendering code

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pagefault
2005-03-25 19:35:25 +00:00
parent be4f623a03
commit 339a2f38c5
1 changed files with 3 additions and 0 deletions
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zsnes/src/video/newgfx16.mac
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@@ -3300,7 +3300,10 @@ EXTSYM osm2dis
je near .offsetm16x16 je near .offsetm16x16
xor edx,edx xor edx,edx
mov dx,[BG3SYl+ebx*2] mov dx,[BG3SYl+ebx*2]
test dx,08h
jz .overflow
and dx,0F8h and dx,0F8h
.overflow
shr edx,3 shr edx,3
shl edx,6 shl edx,6
xor eax,eax xor eax,eax