File list (Check if you may need any files):
微机实验
........\实验2
........\.....\0809_1.asm
........\.....\0809_1.EXE
........\.....\0809_1.OBJ
........\.....\0809_2.asm
........\.....\8253-1.asm
........\.....\8253-2.asm
........\.....\8255-1.asm
........\.....\8255-2.asm
........\.....\8259_1.asm
........\.....\8259_2.asm
........\.....\8279-1.asm
........\.....\8279-3.ASM
........\.....\8279_2.asm
........\.....\DA1.asm
........\微机实验
........\........\实验2
........\........\.....\交替闪烁.txt
........\........\.....\交替闪烁列表文件.txt
........\........\.....\交通灯.txt
........\........\.....\交通灯控制列表文件.txt
........\........\.....\开关状态.txt
........\........\.....\开关状态列表文件.txt
........\........\实验3、4
........\........\........\20110509384.JPG
........\........\........\定时器验证.txt
........\........\........\定时器验证列表文件.txt
........\........\........\计数器.txt
........\........\........\计数器列表文件.txt
........\........\实验5
........\........\.....\8259_1.asm
........\........\.....\8259_2.asm
........\........\.....\8259设计性.doc
........\........\实验6
........\........\.....\DA变换程序周期频率减半.txt