定时计数\changshi
........\changshi.c
........\changshi.hex
........\changshi.lnp
........\changshi.LST
........\changshi.M51
........\changshi.OBJ
........\changshi.Opt
........\changshi.opt.bak
........\changshi.plg
........\changshi.Uv2
........\changshi.Uv2.bak
........\changshi.uvopt
........\changshi.uvproj
........\changshi_Opt.Bak
........\changshi_Uv2.Bak
........\changshi_uvopt.bak
........\changshi_uvproj.bak
........\gg
........\gg.hex
........\gg.lnp
........\gg.M51
........\gg.Opt
........\gg.plg
........\gg.Uv2
........\gg_Opt.Bak
........\gg_Uv2.Bak
........\P51demo
........\P51demo.hex
........\P51demo.lnp
........\P51demo.M51
........\P51demo.Opt
........\P51demo.plg
........\P51demo.Uv2
........\P51demo_Opt.Bak
........\P51demo_Uv2.Bak
........\P51main.bak
........\P51main.c
........\P51main.LST
........\P51main.OBJ
........\P89V51.h
........\STARTUP.A51
........\STARTUP.LST
........\STARTUP.OBJ
........\Text1.c
........\Text1.LST
........\Text1.OBJ
........\尝试.c
........\尝试版.Opt
........\尝试版.plg
........\尝试版.Uv2
........\尝试版_Opt.Bak
........\尝试版_Uv2.Bak
定时计数