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More latch fixes and fix for old savestates

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pagefault
2003-05-09 01:06:42 +00:00
parent 9896c4442f
commit 51455e6562
3 changed files with 11 additions and 5 deletions
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7
zsnes/src/cpu/regs.inc
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@@ -664,7 +664,7 @@ NEWSYM SDD1BankD, db 3
NEWSYM vramread2, db 0 ; previous character for vram read
NEWSYM nosprincr, db 0
NEWSYM poamaddrs, dw 0
NEWSYM ioportval, db 0
NEWSYM ioportval, db 255
NEWSYM iohvlatch, db 0
@@ -738,6 +738,7 @@ NEWSYM ClearRegs
mov word[bg2objptr],0
mov word[bg3objptr],0
mov word[bg4objptr],0
mov byte[ioportval],0FFh
ret
reg2100r:
@@ -771,7 +772,7 @@ reg2137r:
cmp byte[iohvlatch],1
je .dolatch
test byte[ioportval],80h
jnz .nolatch
jz .nolatch
.dolatch
xor ebx,ebx
mov bl,[cycpl]
@@ -801,7 +802,7 @@ debblah:
cmp byte[iohvlatch],1
je .dolatch2
test byte[ioportval],80h
jnz .nolatch2
jz .nolatch2
.dolatch2
xor ebx,ebx
mov bl,[cycpl]