File list (Check if you may need any files):
11 四个数码管上分别显示1234
...........................\main.LST
...........................\main1.c
...........................\main1.LST
...........................\main1.OBJ
...........................\Timer
...........................\Timer.hex
...........................\Timer.M51
...........................\Timer.Opt
...........................\Timer.plg
...........................\Timer.Uv2
...........................\Timer_Opt.Bak
...........................\Timer_Uv2.Bak