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Pre-386 CPUs don't clear integer registers on soft reset. Patch from Greatpsycho.

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This commit is contained in:
SarahW 2020-03-05 17:22:34 +00:00
commit e3b9ed13fc
1 changed files with 9 additions and 2 deletions
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11
src/808x.c
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@ -677,8 +677,15 @@ void softresetx86()
//rammask=0xFFFFFFFF; //rammask=0xFFFFFFFF;
cpu_state.flags=2; cpu_state.flags=2;
idt.base = 0; idt.base = 0;
idt.limit = is386 ? 0x03FF : 0xFFFF; if (is386)
EAX = EBX = ECX = EDX = ESI = EDI = EBP = ESP = 0; {
idt.limit = 0x03FF;
EAX = EBX = ECX = EDX = ESI = EDI = EBP = ESP = 0;
}
else
{
idt.limit = 0xFFFF;
}
x86seg_reset(); x86seg_reset();
flushmmucache(); flushmmucache();
x86_was_reset = 1; x86_was_reset = 1;