File list (Check if you may need any files):
STC89C52RC Sample Programmes\REG52.H
............................\实验01-IO端口输出\io.c
............................\.................\io.LST
............................\.................\io.OBJ
............................\.................\IO输出
............................\.................\IO输出.hex
............................\.................\IO输出.M51
............................\.................\IO输出.Opt
............................\.................\IO输出.plg
............................\.................\IO输出.Uv2
............................\.................\IO输出_Opt.Bak
............................\.................\IO输出_Uv2.Bak
............................\.....2-IO端口输入\io.c
............................\.................\io.LST
............................\.................\io.OBJ
............................\.................\IO输入
............................\.................\IO输入.hex
............................\.................\IO输入.M51
............................\.................\IO输入.Opt
............................\.................\IO输入.plg
............................\.................\IO输入.Uv2
............................\.................\IO输入_Opt.Bak
............................\.................\IO输入_Uv2.Bak
............................\.....3-流水灯\STARTUP.lst
............................\.............\STARTUP.obj
............................\.............\STARTUP._ia
............................\.............\跑马灯
............................\.............\跑马灯.c
............................\.............\跑马灯.hex
............................\.............\跑马灯.LST
............................\.............\跑马灯.M51
............................\.............\跑马灯.OBJ
............................\.............\跑马灯.Opt
............................\.............\跑马灯.plg
............................\.............\跑马灯.Uv2
............................\.............\跑马灯_Opt.Bak
............................\.............\跑马灯_Uv2.Bak
............................\.....4-静态数码管显示\静态显示
............................\.....................\静态显示.c
............................\.....................\静态显示.hex
............................\.....................\静态显示.lnp
............................\.....................\静态显示.LST
............................\.....................\静态显示.M51
............................\.....................\静态显示.OBJ
............................\.....................\静态显示.Opt
............................\.....................\静态显示.plg
............................\.....................\静态显示.Uv2
............................\.....................\静态显示_Opt.Bak
............................\.....................\静态显示_Uv2.Bak
............................\.....5-动态数码管显示\动态扫描显示.c
............................\.....................\动态扫描显示.LST
............................\.....................\动态扫描显示.OBJ
............................\.....................\动态数码管扫描
............................\.....................\动态数码管扫描.hex
............................\.....................\动态数码管扫描.lnp
............................\.....................\动态数码管扫描.M51
............................\.....................\动态数码管扫描.Opt
............................\.....................\动态数码管扫描.plg
............................\.....................\动态数码管扫描.Uv2
............................\.....................\动态数码管扫描_Opt.Bak
............................\.....................\动态数码管扫描_Uv2.Bak
............................\.....6-扫描按键\key
............................\...............\key.c
............................\...............\key.hex
............................\...............\key.lnp
............................\...............\key.LST
............................\...............\key.M51
............................\...............\key.OBJ
............................\...............\key.Opt
..............