File list (Check if you may need any files):
C51Code
.......\usb c51
.......\.......\D12.C
.......\.......\DECLARE.H
.......\.......\DESCRIPT.H
.......\.......\ISR.C
.......\.......\KEYBOARD.C
.......\.......\MAIN.C
.......\.......\MOUSE.C
.......\.......\PS2.C
.......\.......\USB.C
SCH&PCB
.......\USBExp.DDB
.......\USBExp.PCB
.......\USBExp.Sch
VC6.0Code
.........\Debug
.........\ReadMe.txt
.........\res
.........\...\usb.ico
.........\...\usb.rc2
.........\resource.h
.........\StdAfx.cpp
.........\StdAfx.h
.........\usb.aps
.........\usb.clw
.........\usb.cpp
.........\usb.dsp
.........\usb.dsw
.........\usb.h
.........\usb.ncb
.........\usb.opt
.........\usb.plg
.........\usb.rc
.........\usbDlg.cpp
.........\usbDlg.h
.........\usb_diag_lib.cpp
.........\usb_diag_lib.h
.........\usb_lib.cpp
.........\usb_lib.h