@Override
    public void actionPerformed(ActionEvent arg0) {
	try {
	    switch (Integer.parseInt(arg0.getActionCommand())) {
		case 0:
		    System.exit(0);
		case 11:
		    CPU.toogleInterpreter();
		    break;
		case 13:
		    new Calculator();
		    break;

	    }
	}
	catch (Exception e) {
	    System.out.println(e.getMessage());
	}
    }