说明：  这个在Emu8086v3.07下调试通过的，贪食蛇游戏。It s better to set the "step delay" to "0" before running, it requires fast processing.Press ESC to exit。
(This Emu8086v3.07 adopted under the debugger,贪食蛇game. It' s better to set the " step delay" to " 0" before running, it requires fast processing.Press ESC to exit.)