private void RunNESBackGroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
while (PlayLoop && !e.Cancel)
{
bitmapData = NESBMP.LockBits(new Rectangle(0, 0, 256, 240), ImageLockMode.WriteOnly, NESBMP.PixelFormat);
Iptr = bitmapData.Scan0;
Marshal.Copy(Iptr, PPU.Pixels, 0, 245760);
while (!DrawFrame && PlayLoop)
{
if (Trace && (CPU.CycleNumber == 0))
{
Debugger.GetTracedata();
}
CPU.RunCPU();
APU.RunAPU(1);
PPU.RunPPU(1);
}
Marshal.Copy(PPU.Pixels, 0, Iptr, 245760);
try
{
if (bitmapData != null)
{
NESBMP.UnlockBits(bitmapData);
RunNESBackGroundWorker.ReportProgress(0);
}
}
finally
{
DrawFrame = false;
}
}
}
protected override void OnFormClosing(FormClosingEventArgs e)
{
if (RunNESBackGroundWorker.IsBusy)
{
closePending = true;
RunNESBackGroundWorker.WorkerSupportsCancellation = true;
RunNESBackGroundWorker.CancelAsync();
e.Cancel = true;
this.Enabled = false;
return;
}
base.OnFormClosing(e);
}
