private static void recompute_speed(Atime emutime)
{
long delta_emutime;
if (speed_last_realtime == 0 || Mame.mame_is_paused())
{
speed_last_realtime = Wintime.osd_ticks();
speed_last_emutime = emutime;
}
delta_emutime = Attotime.attotime_to_attoseconds(Attotime.attotime_sub(emutime, speed_last_emutime));
if (delta_emutime > Attotime.ATTOSECONDS_PER_SECOND / 4)
{
long realtime = Wintime.osd_ticks();
long delta_realtime = realtime - speed_last_realtime;
long tps = Wintime.ticks_per_second;
speed_percent = (double)delta_emutime * (double)tps / ((double)delta_realtime * (double)Attotime.ATTOSECONDS_PER_SECOND);
speed_last_realtime = realtime;
speed_last_emutime = emutime;
overall_valid_counter++;
if (overall_valid_counter >= 4)
{
overall_real_ticks += delta_realtime;
while (overall_real_ticks >= tps)
{
overall_real_ticks -= tps;
overall_real_seconds++;
}
overall_emutime = Attotime.attotime_add_attoseconds(overall_emutime, delta_emutime);
}
}
}
public static void frame_update_callback()
{
if (Mame.mame_is_paused())
{
return;
}
frame_update();
Video.screenstate.frame_number++;
}
private static void update_throttle(Atime emutime)
{
long real_delta_attoseconds;
long emu_delta_attoseconds;
long real_is_ahead_attoseconds;
long attoseconds_per_tick;
long ticks_per_second;
long target_ticks;
long diff_ticks;
ticks_per_second = Wintime.ticks_per_second;
attoseconds_per_tick = Attotime.ATTOSECONDS_PER_SECOND / ticks_per_second;
if (Mame.mame_is_paused())
{
throttle_emutime = Attotime.attotime_sub_attoseconds(emutime, Attotime.ATTOSECONDS_PER_SECOND / PAUSED_REFRESH_RATE);
throttle_realtime = throttle_emutime;
}
emu_delta_attoseconds = Attotime.attotime_to_attoseconds(Attotime.attotime_sub(emutime, throttle_emutime));
if (emu_delta_attoseconds < 0 || emu_delta_attoseconds > Attotime.ATTOSECONDS_PER_SECOND / 10)
{
goto resync;
}
diff_ticks = Wintime.osd_ticks() - throttle_last_ticks;
throttle_last_ticks += diff_ticks;
if (diff_ticks >= ticks_per_second)
{
goto resync;
}
real_delta_attoseconds = diff_ticks * attoseconds_per_tick;
throttle_emutime = emutime;
throttle_realtime = Attotime.attotime_add_attoseconds(throttle_realtime, real_delta_attoseconds);
throttle_history = (throttle_history << 1) | Convert.ToUInt32(emu_delta_attoseconds > real_delta_attoseconds);
real_is_ahead_attoseconds = Attotime.attotime_to_attoseconds(Attotime.attotime_sub(throttle_emutime, throttle_realtime));
if ((real_is_ahead_attoseconds < -Attotime.ATTOSECONDS_PER_SECOND / 10) || (real_is_ahead_attoseconds < 0 && popcount[throttle_history & 0xff] < 6))
{
goto resync;
}
if (real_is_ahead_attoseconds < 0)
{
return;
}
target_ticks = throttle_last_ticks + real_is_ahead_attoseconds / attoseconds_per_tick;
diff_ticks = throttle_until_ticks(target_ticks) - throttle_last_ticks;
throttle_last_ticks += diff_ticks;
throttle_realtime = Attotime.attotime_add_attoseconds(throttle_realtime, diff_ticks * attoseconds_per_tick);
return;
resync:
throttle_realtime = throttle_emutime = emutime;
}
public static void handler_ingame()
{
Mame.sHandle2 = GetForegroundWindow().ToString();
if (Mame.sHandle1 == Mame.sHandle2)
{
Mame.is_foreground = true;
}
else
{
Mame.is_foreground = false;
}
bool is_paused = Mame.mame_is_paused();
if (single_step)
{
Mame.mame_pause(true);
single_step = false;
}
if (Mame.is_foreground)
{
if (Keyboard.IsPressed(Key.F3))
{
cpurun();
Mame.playState = Mame.PlayState.PLAY_RESET;
}
if (Keyboard.IsTriggered(Key.F7))
{
cpurun();
if (Keyboard.IsPressed(Key.LeftShift) || Keyboard.IsPressed(Key.RightShift))
{
Mame.playState = Mame.PlayState.PLAY_SAVE;
}
else
{
Mame.playState = Mame.PlayState.PLAY_LOAD;
}
return;
}
if (Keyboard.IsTriggered(Key.F8))
{
cpurun();
if (Keyboard.IsPressed(Key.LeftShift) || Keyboard.IsPressed(Key.RightShift))
{
if (Mame.playState == Mame.PlayState.PLAY_RECORDRUNNING)
{
Mame.playState = Mame.PlayState.PLAY_RECORDEND;
}
else
{
Mame.playState = Mame.PlayState.PLAY_RECORDSTART;
}
}
else
{
Mame.playState = Mame.PlayState.PLAY_REPLAYSTART;
}
return;
}
if (Keyboard.IsTriggered(Key.P))
{
if (is_paused && (Keyboard.IsPressed(Key.LeftShift) || Keyboard.IsPressed(Key.RightShift)))
{
single_step = true;
Mame.mame_pause(false);
}
else
{
Mame.mame_pause(!Mame.mame_is_paused());
Thread t1 = new Thread(mainform.HandleMouse);
t1.Start();
}
}
if (Keyboard.IsTriggered(Key.F10))
{
Keyboard.bF10 = true;
bool b1 = Video.global_throttle;
Video.global_throttle = !b1;
}
}
}
public static void watchdog_callback()
{
Mame.mame_schedule_soft_reset();
}