File list (Check if you may need any files):
USB Stepping\autofiles\usbcfg.h
............\.........\usbdsc.c
............\.........\usbdsc.h
............\CleanUp.bat
............\delphi6\A3nalogGauge.dcu
............\.......\main.dcu
............\.......\main.ddp
............\.......\main.dfm
............\.......\main.pas
............\.......\main.~ddp
............\.......\main.~dfm
............\.......\main.~pas
............\.......\mpusbapi.dll
............\.......\mpusbapi.h
............\.......\PDJButton.dcu
............\.......\step_cover.bmp
............\.......\Unit1.dcu
............\.......\usbstep.cfg
............\.......\usbstep.dof
............\.......\usbstep.dpr
............\.......\usbstep.exe
............\.......\usbstep.res
............\.river\Ioctls.h
............\......\mchpusb.cat
............\......\mchpusb.inf
............\......\mchpusb.NMS
............\......\mchpusb.pdb
............\......\mchpusb.sys
............\......\wdmstub.sys
............\io_cfg.h
............\main.c
............\system\interrupt\interrupt.c
............\......\.........\interrupt.h
............\......\typedefs.h
............\......\usb\class\generic\usbgen.c
............\......\...\.....\.......\usbgen.h
............\......\...\usb.h
............\......\...\...9\usb9.c
............\......\...\....\usb9.h
............\......\...\...ctrltrf\usbctrltrf.c
............\......\...\..........\usbctrltrf.h
............\......\...\...defs\usbdefs_ep0_buff.h
............\......\...\.......\usbdefs_std_dsc.h
............\......\...\....rv\usbdrv.c
............\......\...\......\usbdrv.h
............\......\...\usbmmap.c
............\......\...\usbmmap.h
............\......\...\usb_compile_time_validation.h
............\untitled.mcw
............\usbstep.mcp
............\usbstep.mcs
............\usbstep.mcw
............\..er\user.c
............\....\user.h
............\_output\interrupt.o
............\.......\main.o
............\.......\usb9.o
............\.......\usbctrltrf.o
............\.......\usbdrv.o
............\.......\usbdsc.o
............\.......\usbgen.o
............\.......\usbmmap.o
............\.......\usbstep.cod
............\.......\usbstep.cof
............\.......\usbstep.hex
............\.......\usbstep.lst
............\.......\user.o
............\system\usb\class\generic
............\......\...\class
............\......\...\usb9
............\......\...\usbctrltrf
............\......\...\usbdefs
............\......\...\usbdrv
............\......\interrupt
............\......\usb
............\autofiles
............\delphi6
............\driver
............\system
............\user
............\_output
USB Stepping