8位数码管时钟实验\CS20-4\CS21-4
.................\......\CS21-4.c
.................\......\CS21-4.hex
.................\......\CS21-4.lnp
.................\......\CS21-4.LST
.................\......\CS21-4.M51
.................\......\CS21-4.OBJ
.................\......\CS21-4.Opt
.................\......\CS21-4.plg
.................\......\CS21-4.Uv2
.................\实现方法.txt
.................\CS20-4
8位数码管时钟实验