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Correct CS:IP initialisation on 286+ reset. Patch from Greatpsycho.

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This commit is contained in:
SarahW 2018-01-08 20:50:48 +00:00
commit 8a5b552a9a
2 changed files with 36 additions and 5 deletions
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12
src/x86seg.c
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@ -68,6 +68,18 @@ static void seg_reset(x86seg *s)
s->limit = 0xFFFF;
s->limit_low = 0;
s->limit_high = 0xffff;
if (s == &_cs)
{
// TODO - When the PC is reset, initialization of the CS descriptor must be like the annotated line below.
//s->base = AT ? (cpu_16bitbus ? 0xFF0000 : 0xFFFF0000) : 0xFFFF0;
s->base = AT ? 0xF0000 : 0xFFFF0;
s->seg = AT ? 0xF000 : 0xFFFF;
}
else
{
s->base = 0;
s->seg = 0;
}
}
void x86seg_reset()