@Override
    public Screen respondToUserInput(KeyEvent key) {
        int k = key.getKeyCode();
        
        if (k == KeyEvent.VK_ESCAPE)
            return game;
        else if (k == KeyEvent.VK_DOWN || k == KeyEvent.VK_J || k == KeyEvent.VK_NUMPAD2) {
            if (pos<8)
                pos++;
        } else if (k == KeyEvent.VK_UP || k == KeyEvent.VK_K || k == KeyEvent.VK_NUMPAD8) {
            if (pos>0)
                pos--;
        }
        
        return this;
    }