本程序能够模拟手柄基本功能的键，并可以做一般的游戏应用,增加了键盘扫描程序，不使用中断来处理。将方向键换为摇杆来使用。-This program can simulate the basic function of the handle keys, and can do the general game applications, also including keyboard scanning process,it does not use interrupt.