public VGASurface(VGADriver driver) throws ResourceNotFreeException {
public VGASurface(VGADriver driver) throws ResourceNotFreeException, DriverException {
	public VGASurface(VGADriver driver) throws ResourceNotFreeException {		super(640, 480);		this.vga = new StandardVGA(driver.getDevice(), VGADriver.COLOR_MODEL);		this.vgaIO = new StandardVGAIO(driver.getDevice(), vga.getVgaMem());		this.driver = driver;		this.model = VGADriver.COLOR_MODEL;		this.bitmapGraphics = new VGABitmapGraphics(vga, vgaIO, width, height, 0, width / 8);	}