定时数码管 ..........\STARTUP.A51 ..........\STARTUP.LST ..........\STARTUP.OBJ ..........\dingshi ..........\dingshi.LST ..........\dingshi.M51 ..........\dingshi.OBJ ..........\dingshi.bak ..........\dingshi.c ..........\dingshi.hex ..........\dingshi.lnp ..........\dingshi.plg ..........\dingshi.uvopt ..........\dingshi.uvproj ..........\dingshi_uvopt.bak ..........\定时.DSN ..........\定时.PWI