static void
snarf(Vga* vga, Ctlr* ctlr)
{
int i;
/*
* Generic VGA registers:
* misc, feature;
* sequencer;
* crt;
* graphics;
* attribute;
* palette.
*/
vga->misc = vgai(MiscR);
vga->feature = vgai(FeatureR);
for(i = 0; i < NSeqx; i++)
vga->sequencer[i] = vgaxi(Seqx, i);
for(i = 0; i < NCrtx; i++)
vga->crt[i] = vgaxi(Crtx, i);
for(i = 0; i < NGrx; i++)
vga->graphics[i] = vgaxi(Grx, i);
for(i = 0; i < NAttrx; i++)
vga->attribute[i] = vgaxi(Attrx, i);
if(dflag)
palette.snarf(vga, ctlr);
ctlr->flag |= Fsnarf;
}
uchar
tvp3026xi(uchar index)
{
uchar crt55, r;
crt55 = tvp3026io(Index, index);
vgaxo(Crtx, 0x55, crt55|((Data>>2) & 0x03));
r = vgai(dacxreg[Data & 0x03]);
vgaxo(Crtx, 0x55, crt55);
return r;
}
static uchar
tvp3026i(uchar reg)
{
uchar crt55, r;
crt55 = vgaxi(Crtx, 0x55) & 0xFC;
vgaxo(Crtx, 0x55, crt55|((reg>>2) & 0x03));
r = vgai(dacxreg[reg & 0x03]);
vgaxo(Crtx, 0x55, crt55);
return r;
}
static uint8_t
tvp3026i(uint8_t reg)
{
uint8_t crt55, r;
crt55 = vgaxi(Crtx, 0x55) & 0xFC;
vgaxo(Crtx, 0x55, crt55|((reg>>2) & 0x03));
r = vgai(dacxreg[reg & 0x03]);
vgaxo(Crtx, 0x55, crt55);
return r;
}
