ISL1208实时钟的源代码，用KEIL C 编译器编写的。已经使用无误。

8279做的时钟程序C语言源代码，用来作为时钟源。-8279 so the clock program C language source code, used as a clock source.

数字时钟.基于AT89C51的C语言编程实现数字时钟。可以暂停，继续。对时分秒的加和减调节。-Digital clock digital clock AT89C51 of C-based programming language. You can pause, continue. When the minutes and seconds of the addition and subtraction of regulation.