File list (Check if you may need any files):
实验4 按键中断\说明.txt
..............\C51\KeyInt
..............\...\KeyInt.hex
..............\...\KeyInt.M51
..............\...\KeyInt.Opt
..............\...\KeyInt.plg
..............\...\KeyInt.Uv2
..............\...\KeyInt_Uv2.Bak
..............\...\main.c
..............\...\main.LST
..............\...\main.OBJ
..............\A51\KeyInt
..............\...\KeyInt.hex
..............\...\KeyInt.M51
..............\...\KeyInt.Opt
..............\...\KeyInt.plg
..............\...\KeyInt.Uv2
..............\...\KeyInt_Uv2.Bak
..............\...\main.A51
..............\...\main.LST
..............\...\main.OBJ
..............\C51
..............\A51
实验4 按键中断