File list (Check if you may need any files):
26. 矩阵键盘\1602显示键值\c语言\LCD1602P1Key
............\............\.....\LCD1602P1Key.c
............\............\.....\LCD1602P1Key.hex
............\............\.....\LCD1602P1Key.lnp
............\............\.....\LCD1602P1Key.LST
............\............\.....\LCD1602P1Key.M51
............\............\.....\LCD1602P1Key.OBJ
............\............\.....\LCD1602P1Key.Opt
............\............\.....\LCD1602P1Key.plg
............\............\.....\LCD1602P1Key.Uv2
............\............\.....\LCD1602P1Key.__i
............\............\.....\LCD1602P1Key_Opt.Bak
............\............\.....\LCD1602P1Key_Uv2.Bak
............\............\.....\STARTUP.A51
............\............\.....\STARTUP.LST
............\............\.....\STARTUP.OBJ
............\............\Thumbs.db
............\............\汇编\lcd+button
............\............\....\lcd+button.hex
............\............\....\lcd+button.lnp
............\............\....\lcd+button.M51
............\............\....\lcd+button.Opt
............\............\....\lcd+button.plg
............\............\....\lcd+button.Uv2
............\............\....\lcd+button_Opt.Bak
............\............\....\lcd+button_Uv2.Bak
............\............\....\lcd1602jz.asm
............\............\....\lcd1602jz.LST
............\............\....\lcd1602jz.OBJ
............\............\矩阵键盘电路图.bmp
............\数码管显示键值\C语言\LED_KEY
............\..............\.....\LED_KEY.C
............\..............\.....\LED_KEY.hex
............\..............\.....\LED_KEY.lnp
............\..............\.....\LED_KEY.LST
............\..............\.....\LED_KEY.M51
............\..............\.....\LED_KEY.OBJ
............\..............\.....\LED_KEY.Opt
............\..............\.....\LED_KEY.plg
............\..............\.....\LED_KEY.Uv2
............\..............\.....\LED_KEY_Opt.Bak
............\..............\.....\LED_KEY_Uv2.Bak
............\..............\.....\STARTUP.A51
............\..............\.....\STARTUP.LST
............\..............\.....\STARTUP.OBJ
............\..............\Thumbs.db
............\..............\矩阵键盘电路图.bmp
............\1602显示键值\c语言
............\............\汇编
............\数码管显示键值\C语言
............\1602显示键值
............\数码管显示键值
26. 矩阵键盘