File list (Check if you may need any files):
LED_KEY\AD_TLC1543.c
.......\AD_TLC1543.LST
.......\DA_5615.c
.......\DA_5615.LST
.......\DA_5615.OBJ
.......\ex6
.......\ex6.lnp
.......\ex6.lst
.......\ex6.M51
.......\ex6.obj
.......\ex6.plg
.......\ex6.uvopt
.......\ex6.uvproj
.......\ex6_uvproj.bak
.......\INIF.h
.......\Key.c
.......\Key.LST
.......\Key.OBJ
.......\lcd1602.c
.......\lcd1602.h
.......\lcd1602.LST
.......\lcd1602.OBJ
.......\LED_KEY
.......\LED_KEY.hex
.......\LED_KEY.lnp
.......\LED_KEY.M51
.......\LED_KEY.plg
.......\LED_KEY.uvopt
.......\LED_KEY.uvproj
.......\LED_KEY_uvopt.bak
.......\LED_KEY_uvproj.bak
.......\main.c
.......\main.LST
.......\main.OBJ
.......\STARTUP.A51
.......\STARTUP.LST
.......\STARTUP.OBJ
LED_KEY