File list (Check if you may need any files):
usbd12\kmain.h
......\STDIO.H
......\STRING.H
......\kchap9.h
......\khal.h
......\kd12ci.h
......\kprotodma.h
......\AT89X52.H
......\SP2V10.HEX
......\kchap9.LST
......\kchap9.OBJ
......\kd12ci.LST
......\kd12ci.OBJ
......\kisr.LST
......\kisr.OBJ
......\kmain.LST
......\kmain.OBJ
......\kprotodma.LST
......\kprotodma.OBJ
......\xugy
......\xugy.hex
......\xugy.M51
......\xugy.Opt
......\xugy.ORC
......\xugy.plg
......\xugy.Uv2
......\driver.rar
......\xugy_Uv2.Bak
usbd12
......\常用运放电路集锦.txt