设计内容为建立一个动态五角星，具体为程序运行时调用子程序help显示提示信息，按下任意键调用BIOS画一个五角星，用空格键改变五角星颜色，用上下左右键改变五角星的位置，按键e 扩大五角星，r缩小五角星，Esc 退出该程序.-Design elements for the establishment of a dynamic five-pointed star, the specific subroutine for the program is running display help message, press any key to call the BIOS to draw a five-pointed star, five-pointed star with the space bar to change the color, use the arrow keys to change the five-pointed star position, key e to expand five-pointed star, r narrow five-pointed star, Esc to exit the program.