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Fixed MMX v1.0 copy protection.

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This commit is contained in:
zsknight
2001-05-11 00:06:11 +00:00
parent d012a714f1
commit 91194f058b
1 changed files with 17 additions and 1 deletions
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18
zsnes/src/cpu/e65816.inc
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@@ -23,7 +23,7 @@ EXTSYM nmistatus,regaccessbankr8,snesmap2,snesmmap,stackand,stackor,tablead
EXTSYM wramdata,xa,xd,xdb,xe,xirqb,xpb,xpc,xs,xx,xy EXTSYM wramdata,xa,xd,xdb,xe,xirqb,xpb,xpc,xs,xx,xy
EXTSYM switchtovirq,intrset,UpdateDPage EXTSYM switchtovirq,intrset,UpdateDPage
EXTSYM switchtovirqret EXTSYM switchtovirqret
EXTSYM debstop3 EXTSYM debstop3,romdata
@@ -494,7 +494,23 @@ COpCDm16:; CMP a
CMPMacro16b CMPMacro16b
COpCFm8: ; CMP al COpCFm8: ; CMP al
addr_al_8br addr_al_8br
mov bl,[esi-1]
mov cx,[esi-3]
test ecx,8000h
jz .loweraddr2
add ecx,[snesmmap+ebx*4]
jmp .nextaddr
.loweraddr2
add ecx,[snesmap2+ebx*4]
.nextaddr
cmp ecx,esi
je .ne
.equal
xor ecx,ecx
CMPMacro8b CMPMacro8b
.ne
xor al,al
jmp .equal
COpCFm16:; CMP al COpCFm16:; CMP al
addr_al_16br addr_al_16br
CMPMacro16b CMPMacro16b