File list (Check if you may need any files):
keil
....\Cacu.c
....\cacu.h
....\Cacu.LST
....\Cacu.OBJ
....\Disp.c
....\Disp.h
....\Disp.LST
....\Disp.OBJ
....\keypad.c
....\Keypad.h
....\keypad.LST
....\keypad.OBJ
....\keypad.plg
....\led
....\led.hex
....\led.lnp
....\led.M51
....\led.Opt
....\led.plg
....\led.Uv2
....\led_Opt.Bak
....\led_Uv2.Bak
....\main.c
....\main.LST
....\main.OBJ
....\STARTUP.A51
....\STARTUP.LST
....\STARTUP.OBJ
....\typedef.h
....\UserDef.h
KeyPad.PWI
Last Loaded KeyPad.DBK
Last Loaded LED.DBK
LED.DSN
LED.PWI