keyboard
........\keyboard
........\keyboard.c
........\keyboard.DSN
........\keyboard.hex
........\keyboard.lnp
........\keyboard.LST
........\keyboard.M51
........\keyboard.OBJ
........\keyboard.Opt
........\keyboard.plg
........\keyboard.PWI
........\keyboard.Uv2
........\keyboard_Opt.Bak
........\keyboard_Uv2.Bak
........\Last Loaded keyboard.DBK
........\STARTUP.A51
........\STARTUP.LST
........\STARTUP.OBJ
........\线反转法键盘扫描算法.txt