PS2程序——键盘发送一个按键 通过寄存器将其ASCI编码转换成十六进制 在数码管上显示----本人已在LYC FREE EDA开发板上验证通过-PS2 program-the keyboard to send a button through the register will be the ASCI coding convert hex in digital tube display-I have in LYC FREE EDA development board through verif