定时器中断+数字钟+按键挑时间\定时器中断显示.PWI
............................\dingshiqi.LST
............................\dingshiqi.plg
............................\dingshiqi.c
............................\dingshiqi.Opt
............................\定时器中断显示.DSN
............................\dingshiqi.lnp
............................\dingshiqi.M51
............................\dingshiqi.hex
............................\Last Loaded 定时器中断显示.DBK
............................\dingshiqi.OBJ
............................\dingshiqi
............................\dingshiqi_Opt.Bak
............................\dingshiqi_Uv2.Bak
............................\dingshiqi.Uv2
............................\按键显示.PWI
............................\Last Loaded 按键显示.DBK
定时器中断+数字钟+按键挑时间