File list (Check if you may need any files):
液晶+矩阵键盘\LCD+keyboard.LST
.............\STARTUP.obj
.............\LCD+keyboard_Opt.Bak
.............\LCD+keyboard.Uv2
.............\4×4矩阵键盘+液晶显示.DSN
.............\LCD+keyboard.Opt
.............\LCD+keyboard
.............\Backup Of 4×4矩阵键盘+液晶显示.DBK
.............\4×4矩阵键盘+液晶显示.PWI
.............\LCD+keyboard.OBJ
.............\STARTUP.A51
.............\LCD+keyboard.plg
.............\LCD+keyboard.c
.............\STARTUP.lst
.............\LCD+keyboard.M51
.............\LCD+keyboard.hex
.............\LCD+keyboard_Uv2.Bak
液晶+矩阵键盘