private void mnuSaveState_Click(object sender, EventArgs e)
{
SaveFile("Save states (*.ss)|*.ss", (file) => {
lock (_runLock) {
UpdateRam();
File.WriteAllBytes(file, CoreWrapper.getMemoryState(MemoryType.FullState));
}
});
}
private void btnExportPrgRam_Click(object sender, EventArgs e)
{
SaveFile("PRG RAM (*.pr)|*.pr", (file) => {
lock (_runLock) {
UpdateRam();
File.WriteAllBytes(file, CoreWrapper.getMemoryState(MemoryType.PrgRam));
}
});
}
private void StartEmulationThread()
{
_emulationThread = Task.Run(() => {
while (!_stopFlag)
{
while (!_stopFlag && _stepsToRun > 0)
{
UpdateRam();
int stepsToRun = Math.Min(_refreshSpeed, _stepsToRun);
Interlocked.Add(ref _stepsToRun, -stepsToRun);
Stopwatch sw = new Stopwatch();
lock (_runLock) {
sw.Start();
CoreWrapper.step((UInt32)stepsToRun);
CoreWrapper.getState(ref _previousState);
_chrRamData = CoreWrapper.getMemoryState(MemoryType.ChrRam);
_nametableRamData = CoreWrapper.getMemoryState(MemoryType.NametableRam);
_paletteData = CoreWrapper.getMemoryState(MemoryType.PaletteRam);
_spriteData = CoreWrapper.getMemoryState(MemoryType.SpriteRam);
_cpuRamData = CoreWrapper.getMemoryState(MemoryType.CpuRam);
_prgRamData = CoreWrapper.getMemoryState(MemoryType.PrgRam);
if (mnuShowSimulationState.Checked)
{
ctrlChipDisplay.ShowState = true;
ctrlChipDisplay.RefreshState(true);
}
sw.Stop();
}
this.BeginInvoke((MethodInvoker)(() => {
double emulatedHz = Stopwatch.Frequency / (double)sw.ElapsedTicks * stepsToRun / 2;
int nesMasterClockSpeed = 21477272;
double speedPercent = (emulatedHz / nesMasterClockSpeed) * 100;
lblHz.Text = string.Format("{0:0} ({1:0.0000}% of NES speed - {2:0.0000} FPM)", emulatedHz, speedPercent, speedPercent / 100 * 60.1 * 60);
UpdateUI();
}));
}
if (_autoRun)
{
Interlocked.Add(ref _stepsToRun, _refreshSpeed);
}
else
{
System.Threading.Thread.Sleep(50);
}
}
});
}
private void SetMemoryState(MemoryType type, byte[] data)
{
lock (_runLock) {
UpdateRam();
CoreWrapper.setMemoryState(type, data);
_chrRamData = CoreWrapper.getMemoryState(MemoryType.ChrRam);
_paletteData = CoreWrapper.getMemoryState(MemoryType.PaletteRam);
_spriteData = CoreWrapper.getMemoryState(MemoryType.SpriteRam);
_cpuRamData = CoreWrapper.getMemoryState(MemoryType.CpuRam);
_prgRamData = CoreWrapper.getMemoryState(MemoryType.PrgRam);
}
UpdateMemoryViews();
}