带一闹钟电子时钟 ................\clock ................\clock.asm ................\clock.hex ................\clock.LST ................\clock.M51 ................\clock.OBJ ................\clock.Opt ................\clock.plg ................\clock.Uv2 ................\clock_Opt.Bak ................\clock_Uv2.Bak