public static void run()
{
reset();
while (true)
{
CPU.nextInstr();
DMA.work();
GPU_Timing.work();
Sound.work();
Timer.work();
Joypad.set_reg();
Serial.work();
cycles = cycles + CPU.newticks;
Memory.GameRAMSnapshot();
if (do_savestate)
{
create_savestate();
do_savestate = false;
}
if (do_loadstate)
{
load_savestate();
do_loadstate = false;
}
}
}
public static void timer_overflow(uint timerindex)
{
CPU.newticks = 0;
bool request = false;
for (uint i = 0; i < 2; i++)
{
if (soundDMAs[i].any_on && soundDMAs[i].timerindex == timerindex)
{
if (soundDMAs[i].fifo.Count <= 3)
{
request |= DMA.request_audio(i);
}
if (soundDMAs[i].playfifo.Count > 0)
{
soundDMAs[i].playfifo.RemoveAt(0);
}
if (soundDMAs[i].playfifo.Count == 0)
{
UInt32 value = 0;
if (soundDMAs[i].fifo.Count > 0)
{
value = soundDMAs[i].fifo[0];
soundDMAs[i].fifo.RemoveAt(0);
soundDMAs[i].playfifo.Add((byte)value);
soundDMAs[i].playfifo.Add((byte)(value >> 8));
soundDMAs[i].playfifo.Add((byte)(value >> 16));
soundDMAs[i].playfifo.Add((byte)(value >> 24));
}
}
}
}
if (request)
{
DMA.work();
DMA.delayed = true;
}
}