File list (Check if you may need any files):
LCD_demo_code\include\at89c51snd.h
.............\.......\config.h
.............\.......\constant.h
.............\.......\external.h
.............\.......\global.h
.............\.......\macro.h
.............\.......\typedef.h
.............\include
.............\Lcd
.............\Lcd.hex
.............\Lcd.lnp
.............\Lcd.M51
.............\lcd.Opt
.............\Lcd.plg
.............\lcd.Uv2
.............\lcd_Opt.Bak
.............\lcd_Uv2.Bak
.............\main.c
.............\main.c.bak
.............\main.LST
.............\main.OBJ
.............\test.M51
.............\usb_printf.M51
LCD_demo_code