Example #1
0
	/* 3c000 rom 15  Terminal */
ROM_END





static INTERRUPT_GEN( bbcb_vsync )
{
	via_0_ca1_w(0,1);
	via_0_ca1_w(0,0);
	bbc_frameclock();
}
Example #2
0
static INTERRUPT_GEN( gameplan_interrupt )
{
	via_0_ca1_w(0,1);
	via_0_ca1_w(0,0);
}
Example #3
0
static void clear_screen_done_callback(int param)
{
	/* Indicate that the we are done */
	via_0_ca1_w(0, 0);
}