说明：  设计内容是利用BIOS系统功能调用，进行简单的动画设计，并根据以下提示信息进行选择：1--小鸟从屏幕飞过；2-- 汽车按水平方向从屏幕上“开”过去；3-- 退出。
(Design is the use of the system BIOS function calls, simple animation design, and in accordance with the following message to choose 1- birds flying from the screen 2- car by the horizontal direction from the screen on the past 3--- Quit.)