练习3 IO口8位数码管同时显示
...........................\display.LST
...........................\display.OBJ
...........................\display.c
...........................\display.h
...........................\main.LST
...........................\main.OBJ
...........................\main.c
...........................\mian.LST
...........................\test3
...........................\test3.M51
...........................\test3.hex
...........................\test3.lnp
...........................\test3.plg
...........................\test3.uvopt
...........................\test3.uvproj
...........................\test3_uvopt.bak
...........................\test3_uvproj.bak
...........................\timer.LST
...........................\timer.OBJ
...........................\timer.c
...........................\timer.h