File list (Check if you may need any files):
PDIUSBD12
.........\Chap_9.c
.........\Chap_9.h
.........\Chap_9.LST
.........\Chap_9.OBJ
.........\D12CI.c
.........\D12CI.h
.........\D12CI.LST
.........\D12CI.OBJ
.........\D12Config.h
.........\D12Driver.c
.........\D12Driver.h
.........\D12Driver.LST
.........\D12Driver.OBJ
.........\D12HAL.c
.........\D12HAL.h
.........\D12HAL.LST
.........\D12HAL.OBJ
.........\Descriptor.c
.........\Descriptor.h
.........\Descriptor.LST
.........\Descriptor.OBJ
.........\InitS51.c
.........\InitS51.h
.........\InitS51.LST
.........\InitS51.OBJ
.........\Main.c
.........\Main.LST
.........\Main.OBJ
.........\PDIUSBD12
.........\PDIUSBD12.hex
.........\PDIUSBD12.M51
.........\PDIUSBD12.Opt
.........\PDIUSBD12.plg
.........\PDIUSBD12.Uv2
.........\STARTUP.A51
.........\STARTUP.lst
.........\STARTUP.OBJ