File list (Check if you may need any files):
Chapter11
.........\DS1620.h
.........\DS1920.c
.........\DS1920.LST
.........\DS1920.OBJ
.........\Keys.c
.........\Keys.h
.........\Keys.LST
.........\Keys.OBJ
.........\main.c
.........\main.LST
.........\main.OBJ
.........\MAX7219.c
.........\MAX7219.h
.........\MAX7219.LST
.........\MAX7219.OBJ
.........\new 2.H
.........\STARTUP.A51
.........\STARTUP.LST
.........\STARTUP.OBJ
.........\Timer.c
.........\Timer.h
.........\Timer.LST
.........\Timer.OBJ
.........\TM
.........\TM.hex
.........\TM.M51
.........\TM.Opt
.........\TM.plg
.........\TM.Uv2
.........\TM_Opt.Bak
.........\TM_Uv2.Bak