这是一个COM8123以中断方式工作的实用程序，用51汇编编写，完全调试通过，加上详细注释发给大家。要使用COM8125，只要稍加改动就可以了。-This is a way to break COM8123 utility work, the compilation of the preparation of 51 fully debug through, together with detailed notes distributed to Members. To use the COM8125, as long as the marginal changes in it.