显示0到99\60秒\shuma2.c .........\....\双数码管(共阳).DSN .........\clock.c .........\Last Loaded 时钟.DBK .........\shuang.asm .........\共阴P0口要接上拉电阻.txt .........\双数码管(共阳).PWI .........\循环显示\shuma.c .........\........\SHUMAXIANSHI.ASM .........\时钟.DSN .........\时钟.PWI .........\60秒 .........\循环显示 显示0到99