File list (Check if you may need any files):
矩阵按键\KeyMatrix
........\KeyMatrix.c
........\KeyMatrix.hex
........\KeyMatrix.lnp
........\KeyMatrix.LST
........\KeyMatrix.M51
........\KeyMatrix.OBJ
........\KeyMatrix.plg
........\KeyMatrix.uvgui.FuY
........\KeyMatrix.uvgui.YaQiong_Fu
........\KeyMatrix.uvgui_YaQiong_Fu.bak
........\KeyMatrix.uvopt
........\KeyMatrix.uvproj
........\KeyMatrix_uvopt.bak
........\KeyMatrix_uvproj.bak
........\STARTUP.A51
........\STARTUP.LST
........\STARTUP.OBJ
矩阵按键