Example #1
0
void docastle_shared0_w(int offset,int data)
{

	buffer0[offset] = data;

	if (offset == 8)
		/* awake the master CPU */
		cpu_trigger(500);
}
Example #2
0
int arkanoid_68705_mcu_r (int offset)
{
	/* mark that the command has been seen */
	cpu_trigger (700);

	/* return the last value the Z80 wrote */
	z80write = 0;
	return fromz80;
}
Example #3
0
void arkanoid_68705_portC_w(int offset,int data)
{
	if ((ddrC & 0x04) && (~data & 0x04) && (portC_out & 0x04))
	{
		/* mark that the command has been seen */
		cpu_trigger(700);

		/* return the last value the Z80 wrote */
		z80write = 0;
		portA_in = fromz80;
	}
	if ((ddrC & 0x08) && (~data & 0x08) && (portC_out & 0x08))
	{
		/* a write from the 68705 to the Z80; remember its value */
		m68705write = 1;
		toz80 = portA_out;
	}

	portC_out = data;
}
Example #4
0
static void cpu_timeslicecallback(int param)
{
	cpu_trigger(TRIGGER_TIMESLICE);
}
Example #5
0
void cpu_triggerint(int cpunum)
{
	cpu_trigger(TRIGGER_INT + cpunum);
}