File list (Check if you may need any files):
des_8051
........\des.c
........\des.h
........\des.Opt
........\des.Uv2
........\des_Opt.Bak
........\list
........\....\des.lst
........\....\des.m51
........\....\des.map
........\....\des1.lst
........\....\desc.lst
........\....\STARTUP.lst
........\obj
........\...\des
........\...\des.lnp
........\...\des.obj
........\...\des.ORC
........\...\des.plg
........\...\des.SBR
........\...\des1.obj
........\...\desc.obj
........\...\STARTUP.obj
........\STARTUP.A51