private void LoadRom()
{
if (_cpuRunner != null)
{
_cpuRunner.Stop();
_cpuRunner = null;
}
var openFileDialog = new OpenFileDialog();
var showDialog = openFileDialog.ShowDialog(View);
if (!showDialog.HasValue || !showDialog.Value)
return;
var fileStream = openFileDialog.OpenFile();
var buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, (int)fileStream.Length);
CreateCpu(buffer);
}
private void CreateCpu(byte[] buffer)
{
var display = new Display();
var randomizer = new Randomizer();
var wpfKeyboard = new WpfKeyboard(View);
var bcdConverter = new BcdConverter();
var instructionDecoder = new InstructionDecoder();
var timerClock = new TimerClock();
var chip8Cpu = new Chip8Cpu(display, randomizer, wpfKeyboard, bcdConverter, instructionDecoder, timerClock);
Array.Copy(buffer, 0, chip8Cpu.State.Memory, 0x200, buffer.Length);
chip8Cpu.State.ProgramCounter = 0x200;
_cpuRunner = new CpuRunner(this, chip8Cpu, display);
_cpuRunner.Start();
}