源代码 ......\AT89X51.H ......\keyboard.c ......\keyboard.h ......\keyboard.LST ......\keyboard.OBJ ......\LEC.LST ......\LED.C ......\LED.H ......\LED.LST ......\LED.OBJ ......\main.c ......\main.h ......\main.LST ......\main.OBJ ......\timer ......\timer.c ......\timer.h ......\timer.hex ......\timer.lnp ......\timer.LST ......\timer.M51 ......\timer.OBJ ......\timer.Opt ......\timer.plg ......\timer.Uv2