// Should be in SkinManager, but how to access getMMRowOfPosition from there?
public void changeSkin(Skins skin)
{
ResourceDictionary selectedDictionary = SkinManager.GetSkin(skin);
App.Current.MainWindow.Resources.MergedDictionaries.Add(selectedDictionary);
if (_assemblerModel.undoStack().size() == 0)
{
_currentTextBox.Foreground = (Brush)FindResource("TextBoxForegroundOff");
}
else
{
_currentTextBox.Foreground = (Brush)FindResource("TextBoxForegroundOn");
}
for (int i = 0; i <= 255; i++)
{
getMMRowOfPosition(255 - i).ChangeSkin(selectedDictionary);
}
for (int i = 0; i < 5; i++)
{
getStackRowOfPosition(i).ChangeSkin(selectedDictionary);
}
ValueRow_InstructionPointer.ChangeSkin(selectedDictionary);
ValueRow_Input.ChangeSkin(selectedDictionary);
ValueRow_Output.ChangeSkin(selectedDictionary);
ValueRow_WorkingRegister.ChangeSkin(selectedDictionary);
}
/******************************************************
* CALL: Clicking the step back button.
* TASK: Rolls back the program one step i.e. undo the
* previous operation.
*****************************************************/
private void Button_StepBack_Click(object sender, RoutedEventArgs e)
{
if (_runTimer.IsEnabled)
{
errorCode("Cannot undo while running the application.");
return;
}
if (_assemblerModel.undoStack().size() == 0)
{
errorCode("Nothing to undo.");
return;
}
if (_assemblerModel.undoStack().size() == 1)
{
Keyboard.ClearFocus();
_currentTextBox.Foreground = (Brush)FindResource("TextBoxForegroundOff");
clearUserMsg();
_currentTextBox.IsReadOnly = false;
showButtonAsEnabled(ButtonType.Stop);
}
UndoStorage undoValues = _assemblerModel.undo();
Bit12 currentAddr = _assemblerModel.getAddr(_assemblerModel.instructionPtr());
Operations opr = Operations.LOAD;
_assemblerModel.extractOperation(currentAddr.value(), out opr);
// Mark current row
markRow(getMMRowOfPosition(255 - _assemblerModel.instructionPtr()));
// Update graphics of changed memory
byte index;
if (_assemblerModel.addrIdxToUpdate(currentAddr, out index))
{
if (opr == Operations.RETURN)
{
index += 2;
}
MemoryRow row = getMMRowOfPosition(255 - index);
row.ShowMemoryAdress(_assemblerModel.getAddr(index));
if (index > 250)
{
MemoryRow stackRow = getStackRowOfPosition(255 - index);
stackRow.ShowMemoryAdress(_assemblerModel.getAddr(index));
}
}
ValueRow_WorkingRegister.ShowMemoryAdress(_assemblerModel.workingRegister());
ValueRow_Output.ShowMemoryAdress(_assemblerModel.output());
lightIfOutputIsOn();
ValueRow_InstructionPointer.ShowMemoryAdress(new Bit12(_assemblerModel.instructionPtr()));
}
/******************************************************
* CALL: programTick();
* TASK: Progresses the execution of the program
* one instruction.
*****************************************************/
private void programTick()
{
Bit12 currentAddr = _assemblerModel.getAddr(_assemblerModel.instructionPtr());
Operations opr;
byte val = (byte)_assemblerModel.extractVal(currentAddr.value());
_assemblerModel.extractOperation(currentAddr.value(), out opr);
if (opr == Operations.RETURN && _assemblerModel.stack().size() == 0)
{
errorCode("Attempted Return on an empty stack.");
pauseProgram();
return;
}
if (!_assemblerModel.processCurrentAddr())
{
errorCode("Invalid operation.");
pauseProgram();
return;
}
// Mark current row
markRow(getMMRowOfPosition(255 - _assemblerModel.instructionPtr()));
// Update graphics of changed memory
byte index;
if (_assemblerModel.addrIdxToUpdate(currentAddr, out index))
{
if (opr != Operations.STORE)
{
index++;
}
MemoryRow row = getMMRowOfPosition(255 - index);
row.ShowMemoryAdress(_assemblerModel.getAddr(index));
if (index > 250)
{
MemoryRow stackRow = getStackRowOfPosition(255 - index);
stackRow.ShowMemoryAdress(_assemblerModel.getAddr(index));
}
}
ValueRow_WorkingRegister.ShowMemoryAdress(_assemblerModel.workingRegister());
ValueRow_Output.ShowMemoryAdress(_assemblerModel.output());
ValueRow_InstructionPointer.ShowMemoryAdress(new Bit12(_assemblerModel.instructionPtr()));
//First bit on output sets the light
lightIfOutputIsOn();
}
/******************************************************
* CALL: stopProgram();
* TASK: Stops the execution of the program and resets
* various elements.
*****************************************************/
private void stopProgram()
{
_runTimer.Stop();
_assemblerModel.reset();
updateGUIMemory(0, 255, _currentTextBox);
ValueRow_WorkingRegister.ShowMemoryAdress(_assemblerModel.workingRegister());
ValueRow_Output.ShowMemoryAdress(_assemblerModel.output());
ValueRow_InstructionPointer.ShowMemoryAdress(new Bit12(_assemblerModel.instructionPtr()));
showButtonAsEnabled(ButtonType.Stop);
lightOff();
Keyboard.ClearFocus();
_currentTextBox.Foreground = (Brush)FindResource("TextBoxForegroundOff");
clearUserMsg();
userMsg("Execution was stopped.");
_currentTextBox.IsReadOnly = false;
// Mark current row
markRow(getMMRowOfPosition(255 - _assemblerModel.instructionPtr()));
}
public MainWindow()
{
InitializeComponent();
_assemblerModel = new AssemblerModel();
_assemblerModel.SelfTest();
showMemoryRowNumbers();
_currentTextBox = TextBox_Assembler;
updateGUIMemory(0, 255, _currentTextBox);
_inputTimerAssembly = new System.Windows.Threading.DispatcherTimer();
_inputTimerMK = new System.Windows.Threading.DispatcherTimer();
_runTimer = new System.Windows.Threading.DispatcherTimer();
_commandWindow = new Commands();
_aboutWin = new About();
Closing += OnClosing;
_assemblySaved = true;
_mkSaved = true;
_keyPressStack = new CircularStack <Key>(20);
_password = "******";
_inputTimerAssembly.Interval = new TimeSpan(0, 0, 0, 0, 500);
_inputTimerAssembly.Tick += OnInputTimerAssemblyElapsed;
_inputTimerMK.Interval = new TimeSpan(0, 0, 0, 0, 500);
_inputTimerMK.Tick += OnInputTimerMKElapsed;
_runTimer.Interval = new TimeSpan(0, 0, 0, 0, (int)Slider_FastForward.Value);
_runTimer.Tick += OnInputTimerRunElapsed;
markRow(getMMRowOfPosition(255 - _assemblerModel.instructionPtr())); // Mark current row
Slider_FastForward.Value = 200; // Can't be specified in the XAML file, bug
ValueRow_WorkingRegister.ShowMemoryAdress(_assemblerModel.workingRegister());
ValueRow_Output.ShowMemoryAdress(_assemblerModel.output());
ValueRow_Input.ShowMemoryAdress(_assemblerModel.input());
ValueRow_InstructionPointer.ShowMemoryAdress(new Bit12(_assemblerModel.instructionPtr()));
ValueRow_InstructionPointer.HideChildElements();
EventManager.RegisterClassHandler(typeof(Window), Keyboard.KeyDownEvent, new KeyEventHandler(keyDown), true);
}