static INTERRUPT_GEN( vblank_callback_lgp )
{
// NMI
//cpunum_set_input_line(machine, 0, INPUT_LINE_NMI, PULSE_LINE);
// IRQ
cpunum_set_input_line(machine, 0, 0, ASSERT_LINE);
timer_set(ATTOTIME_IN_USEC(50), NULL, 0, irq_stop);
laserdisc_vsync(discinfo);
}
static void vsync_callback(void)
{
/* only clock the disc every other frame */
laserdisc_vsync(discinfo);
/* if we have data available, set a timer to read it */
if (!serial_timer_active && laserdisc_line_r(discinfo, LASERDISC_LINE_DATA_AVAIL) == ASSERT_LINE)
{
timer_adjust(serial_timer, amiga_get_serial_char_period(), 0, 0);
serial_timer_active = TRUE;
}
}
static INTERRUPT_GEN( cliff_vsync )
{
/* clock the laserdisc and video chip every 60Hz */
laserdisc_vsync(discinfo);
TMS9928A_interrupt();
}
