说明：  这是自己写的关于PS2键盘接口的程序，和单片机的接口，用汇编写的，测试成功，与图形点阵液晶联合使用，不过液晶程序没有上传
(This is his writing on the PS2 keyboard interface procedures, and the microcontroller interface, with a compilation of written test successfully, and graphics dot-matrix LCD joint use, but not to upload procedures LCD)