File list (Check if you may need any files):
UsbKeyboard
...........\config.h
...........\Key.c
...........\Key.h
...........\Key.LST
...........\Key.OBJ
...........\LED.h
...........\Main.c
...........\Main.LST
...........\Main.OBJ
...........\MyType.h
...........\PDIUSBD12.c
...........\PDIUSBD12.h
...........\PDIUSBD12.LST
...........\PDIUSBD12.OBJ
...........\STARTUP.A51
...........\STARTUP.LST
...........\STARTUP.OBJ
...........\UART.c
...........\UART.h
...........\UART.LST
...........\UART.OBJ
...........\UsbCore.c
...........\UsbCore.h
...........\UsbCore.LST
...........\UsbCore.OBJ
...........\UsbKeyboard
...........\UsbKeyboard.hex
...........\UsbKeyboard.lnp
...........\UsbKeyboard.M51
...........\UsbKeyboard.Opt
...........\UsbKeyboard.plg
...........\UsbKeyboard.Uv2