此文件是用汇编语言编写的数字钟原程序，它包括时钟显示、整点报时和闹钟部分。-this document is a compilation of language digital clock original program, which includes clock, the whole point timer and alarm clock parts.

汇编语言编写的C51电子时钟程序，可以显示年月日 ，具有闹钟 秒表功能(The C51 electronic clock program written in assembly language can display the day of the year and have the function of the clock stopwatch.)