Bochs VBE emulation fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@775 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-29 19:21:16 +00:00
parent 646be93b4c
commit 141253b254

View File

@ -598,14 +598,15 @@ static void vbe_ioport_write(void *opaque, uint32_t addr, uint32_t val)
} else {
shift_control = 2;
s->sr[4] |= 0x08; /* set chain 4 mode */
s->sr[2] |= 0x0f; /* activate all planes */
}
s->gr[0x05] = (s->gr[0x05] & ~0x60) | (shift_control << 5);
s->cr[0x09] &= ~0x9f; /* no double scan */
s->vbe_regs[s->vbe_index] = val;
} else {
/* XXX: the bios should do that */
s->bank_offset = 0;
}
s->vbe_regs[s->vbe_index] = val;
break;
case VBE_DISPI_INDEX_VIRT_WIDTH:
{