private void openMenuItem_Click(object sender, RoutedEventArgs e)
{
var openFileDialog = new OpenFileDialog();
openFileDialog.DefaultExt = "VM";
openFileDialog.Filter = "VM Binary File|*.vmbin";
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
programFileName = openFileDialog.FileName;
lock (bios)
{
bios.Reset();
}
LoadProgram();
pauseEvent = new System.Threading.ManualResetEvent(true);
program = new System.Threading.Thread(() =>
{
cpu.ExecuteProgram(programPosition, pauseEvent);
});
program.Start();
}
public VM_Machine()
{
InitializeComponent();
memory = new VM_Memory();
memory.ScreenUpdateEvent += () =>
{
screen.Dispatcher.Invoke(()=>
{
screen.InvalidateVisual();
});
};
screen.BindingMemory(memory);
cpu = new VM_CPU(memory);
cpu.RegisterStatusUpdateEvent += () =>
{
var registerStatus = string.Empty;
registerStatus = "AL=#" + cpu.AL.ToString("X").PadLeft(2, '0');
registerStatus += "; AH=#" + cpu.AH.ToString("X").PadLeft(2, '0');
registerStatus += "; A=#" + cpu.A.ToString("X").PadLeft(4, '0');
registerStatus += "; B=#" + cpu.B.ToString("X").PadLeft(4, '0');
registerStatus += "; C=#" + cpu.C.ToString("X").PadLeft(4, '0');
registerStatus += "; D=#" + cpu.D.ToString("X").PadLeft(4, '0');
registerStatus += "; IP=#" + cpu.InstructionPointer.ToString("X").PadLeft(4, '0');
registerStatus += "; F=#" + cpu.Flags.ToString("X").PadLeft(2, '0');
registerStatusLabel.Dispatcher.Invoke(() =>
{
registerStatusLabel.Content = registerStatus;
});
};
cpu.CPUSpeedUpdateEvent += ChangeMachineStatusLabel;
cpu.CPURunningChangedEvent += ChangeMachineStatusLabel;
cpu.CPURunningChangedEvent += () =>
{
if (cpu.Running == CPUStatus.Running)
{
programPauseButton.Dispatcher.Invoke(()=> { programPauseButton.IsEnabled = true; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = false; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
else
{
if (cpu.Running == CPUStatus.Stop)
{
programPauseButton.Dispatcher.Invoke(() => { programPauseButton.IsEnabled = false; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = false; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
else
{
programPauseButton.Dispatcher.Invoke(() => { programPauseButton.IsEnabled = false; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = true; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
}
};
bios = new VM_BIOS(cpu, memory, screen);
bios.Reset();
cpu.Running = CPUStatus.Stop;
programRestartButton.IsEnabled = false;
speedMenuItems = new System.Windows.Controls.MenuItem[] { speed1HzMenuItem, speed2HzMenuItem, speed4HzMenuItem, speedRealTimeItem };
speedRealTimeItem.IsChecked = true;
}
public VM_Machine()
{
InitializeComponent();
memory = new VM_Memory();
memory.ScreenUpdateEvent += () =>
{
screen.Dispatcher.Invoke(() =>
{
screen.InvalidateVisual();
});
};
screen.BindingMemory(memory);
cpu = new VM_CPU(memory);
cpu.RegisterStatusUpdateEvent += () =>
{
var registerStatus = string.Empty;
registerStatus = "AL=#" + cpu.AL.ToString("X").PadLeft(2, '0');
registerStatus += "; AH=#" + cpu.AH.ToString("X").PadLeft(2, '0');
registerStatus += "; A=#" + cpu.A.ToString("X").PadLeft(4, '0');
registerStatus += "; B=#" + cpu.B.ToString("X").PadLeft(4, '0');
registerStatus += "; C=#" + cpu.C.ToString("X").PadLeft(4, '0');
registerStatus += "; D=#" + cpu.D.ToString("X").PadLeft(4, '0');
registerStatus += "; IP=#" + cpu.InstructionPointer.ToString("X").PadLeft(4, '0');
registerStatus += "; F=#" + cpu.Flags.ToString("X").PadLeft(2, '0');
registerStatusLabel.Dispatcher.Invoke(() =>
{
registerStatusLabel.Content = registerStatus;
});
};
cpu.CPUSpeedUpdateEvent += ChangeMachineStatusLabel;
cpu.CPURunningChangedEvent += ChangeMachineStatusLabel;
cpu.CPURunningChangedEvent += () =>
{
if (cpu.Running == CPUStatus.Running)
{
programPauseButton.Dispatcher.Invoke(() => { programPauseButton.IsEnabled = true; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = false; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
else
{
if (cpu.Running == CPUStatus.Stop)
{
programPauseButton.Dispatcher.Invoke(() => { programPauseButton.IsEnabled = false; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = false; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
else
{
programPauseButton.Dispatcher.Invoke(() => { programPauseButton.IsEnabled = false; });
programResumeButton.Dispatcher.Invoke(() => { programResumeButton.IsEnabled = true; });
programRestartButton.Dispatcher.Invoke(() => { programRestartButton.IsEnabled = true; });
}
}
};
bios = new VM_BIOS(cpu, memory, screen);
bios.Reset();
cpu.Running = CPUStatus.Stop;
programRestartButton.IsEnabled = false;
speedMenuItems = new System.Windows.Controls.MenuItem[] { speed1HzMenuItem, speed2HzMenuItem, speed4HzMenuItem, speedRealTimeItem };
speedRealTimeItem.IsChecked = true;
}
