private void MenuItem_Click(object sender, RoutedEventArgs e)
{
//use dialog obeject to get rom file
OpenFileDialog openFileDialog = new OpenFileDialog();
if (openFileDialog.ShowDialog() == true)
{
if (chip8.IsOn())
{
if (chip8.DebugMode)
{
//swaping in a new game while debugger window is open and processing
if (chip8.isCpuRunning())
{
chip8.connectDisplay(null);
chip8.powerOff();
}
chip8.setDebuggerInterface(null);
chip8.clearDisplay();
screen.UpdateLayout();
chip8 = new Chip8();
chip8.connectDisplay(screen);
chip8.loadGame(openFileDialog.FileName);
debuggerWindow.Chip8 = chip8;
debuggerWindow.initRoutine();
}
else
{
//swaping in a new game when only the main window is open
chip8.swapGame(openFileDialog.FileName);
}
}
else
{
chip8.loadGame(openFileDialog.FileName);
chip8.powerOn();
if (chip8.DebugMode)// debugger window is open but no game is being processed by it
{
debuggerWindow.initRoutine();
}
}
}
}
void workerRunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
//cpuHalt flag controls the state of the Chip8 when the Cpu loop thread ends
//If cpuHalt is true, the thread that is currently carrying out the cpu loop will end without altering
//the current state of the chip8, thus, if desired, a new Cpu thread can be invoked and start
//executing from the last state processed by the previous cpu loop thread
//If false, the chip8 properties are re-initilizing to the state it was in prior to the excution of the rom
if (!cpuHalt)
{
String path = game.Path;
init();
if (swapGameFlag)
{
swapGameFlag = false;
loadGame(gameToBeLoaded);
worker = null;
cpuCycle();
}
else
{
loadGame(path);
}
//exectued if reset() is called to end chip8 simulation
if (resetFlag)
{
resetFlag = false;
worker = null;
powerOn();
debuggerWindow.initRoutine();
}
}
//Set by a breakpoint being flagged which can only occur if the chip8 debugMode variable is set to true
if (breakPointFlag)
{
breakPointFlag = false;
debuggerWindow.breakPointPause();
debuggerWindow.BreakPointTrigger = true;
}
}
}
