public void LoadRom(string romFile, bool prompt)
{
try
{
CTS?.Cancel();
Emulator?.Stop();
DisplayTask?.Wait();
if (prompt)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Title = Resources.OpenTitle;
if (File.Exists(romFile))
{
dialog.InitialDirectory = Path.GetDirectoryName(romFile);
dialog.FileName = Path.GetFileName(romFile);
}
romFile = dialog.ShowDialog() == DialogResult.OK ? dialog.FileName : "";
}
if (!string.IsNullOrWhiteSpace(romFile) && File.Exists(romFile))
{
LastRomFile = romFile;
Log($"Loading ROM: {romFile}", LogLevel.Info);
byte[] romData = File.ReadAllBytes(romFile);
Emulator = new Chip8Emu(this, romData);
DisplayBuffer = new bool[Chip8Emu.DisplayColumns, Chip8Emu.DisplayRows];
Emulator.TryConfigureQuirks();
Log("Ready.", LogLevel.Info);
}
CTS = new CancellationTokenSource();
Emulator?.Start(CTS);
DisplayTask = Task.Factory.StartNew(() =>
{
Stopwatch sw = new Stopwatch();
sw.Start();
while (!CTS.Token.IsCancellationRequested)
{
if (sw.Elapsed >= ViewDelay)
{
DrawDisplay();
sw.Restart();
}
Thread.Yield();
}
});
}
catch (Exception ex)
{
HandleException(ex);
}
finally
{
UpdateConfig();
}
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
CTS?.Cancel();
Emulator?.Stop();
DisplayTask?.Wait();
}