说明：  实现的模拟键盘代码，模拟ps2协议，可以与计算机相连实现键盘的功能，在keil c下开发的。-89s51 achieved through keyboard simulation code, simulation ps2 agreement with the computer keyboard connected to the functions of the c Keil under development
(Realize analog keyboard code, analog ps2 agreement, can realize the computer connected to the keyboard functions in keil c developed.-89s51 achieved through keyboard simulation code, simulation ps2 agreement with the computer keyboard connected to the functions of the c Keil under development)