电子时钟
........\电子时钟.doc
........\程序
........\....\AT89X51.H
........\....\clock.asm
........\....\delay.h
........\....\ds1302.c
........\....\ds1302.LST
........\....\ds1302.OBJ
........\....\max7219.c
........\....\music.c
........\....\music11.c
........\....\电子时钟
........\....\电子时钟.hex
........\....\电子时钟.lnp
........\....\电子时钟.M51
........\....\电子时钟.Opt
........\....\电子时钟.plg
........\....\电子时钟.Uv2
........\....\电子时钟_Opt.Bak
........\....\电子时钟_Uv2.Bak
........\计算机仿真
........\..........\clock.DSN
........\..........\clock.PWI
........\..........\Last Loaded clock.DBK