Exemple #1
0
static READ_HANDLER( omegrace_vg_status_r )
{
	if (avgdvg_done())
		return 0;
	else
		return 0x80;
}
Exemple #2
0
static READ_HANDLER( tempest_IN0_r )
{
	int res = readinputport(0);

	if (avgdvg_done())
		res |= 0x40;

	/* Emulate the 3kHz source on bit 7 (divide 1.5MHz by 512) */
	if (activecpu_gettotalcycles() & 0x100)
		res |= 0x80;

	return res;
}
Exemple #3
0
static READ8_HANDLER( omegrace_vg_status_r )
{
	return avgdvg_done() ? 0x00 : 0x80;
}
Exemple #4
0
static READ16_HANDLER( switches_r )
{
	return (readinputport(0) | (avgdvg_done() ? 1 : 0));
}