File list (Check if you may need any files):
UsbKeyboardWithMouse
....................\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
....................\REG54.H
....................\STARTUP.A51
....................\STARTUP.LST
....................\STARTUP.OBJ
....................\UART.c
....................\UART.h
....................\UART.LST
....................\UART.OBJ
....................\UsbCore.c
....................\UsbCore.h
....................\UsbCore.LST
....................\UsbCore.OBJ
....................\UsbKeyboardWithMouse
....................\UsbKeyboardWithMouse.hex
....................\UsbKeyboardWithMouse.lnp
....................\UsbKeyboardWithMouse.M51
....................\UsbKeyboardWithMouse.opt.bak
....................\UsbKeyboardWithMouse.plg
....................\UsbKeyboardWithMouse.Uv2.bak
....................\UsbKeyboardWithMouse.uvgui.Administrator
....................\UsbKeyboardWithMouse.uvgui_Administrator.bak
....................\UsbKeyboardWithMouse.uvopt
....................\UsbKeyboardWithMouse.uvproj
....................\UsbKeyboardWithMouse_Opt.Bak
....................\UsbKeyboardWithMouse_Uv2.Bak