File list (Check if you may need any files):
057-矩阵键盘控制数码管移位显示
..............................\51单片机综合学习系统实验说明(必看).txt
..............................\keyscan2
..............................\keyscan2.hex
..............................\keyscan2.lnp
..............................\keyscan2.M51
..............................\keyscan2.Opt
..............................\keyscan2.plg
..............................\keyscan2.Uv2
..............................\keyscan2_Opt.Bak
..............................\keyscan2_Uv2.Bak
..............................\keyscan_2.asm
..............................\keyscan_2.LST
..............................\keyscan_2.OBJ