22 PS2键盘读取实验 ..................\main.c ..................\main.LST ..................\main.OBJ ..................\PC_Keyboard ..................\PC_Keyboard.hex ..................\PC_Keyboard.lnp ..................\PC_Keyboard.M51 ..................\PC_Keyboard.Opt ..................\PC_Keyboard.plg ..................\PC_Keyboard.Uv2 ..................\PC_Keyboard_Opt.Bak ..................\PC_Keyboard_Uv2.Bak