非常常用ASM源程序，可以再keil的环境下运行，简单易用，对你有不小帮助-ASM source code is commonly used, can be run keil environment, easy to use, for you have no small help

单片机应用程序——————适合初学者 用KEIL软件编写的数码管滚动显示程序-Microcontroller applications------ suitable for beginners with KEIL software written digital tube rolling display program

用软件延时的方法，经过循环嵌套实现数码管的显示间隔一定的时间，文本采用汇编语言书写，适用于keil(The project is set to control the delay time of led.All of the centenses are writed by asm language,and they are suitable for keil.)