File list (Check if you may need any files):
第15章
......\sch15.pdf
......\StepMoto
......\........\Main.c
......\........\Main.LST
......\........\Main.OBJ
......\........\STARTUP.A51
......\........\STARTUP.LST
......\........\STARTUP.OBJ
......\........\StepMot
......\........\StepMot.c
......\........\StepMot.h
......\........\StepMot.hex
......\........\StepMot.lnp
......\........\StepMot.LST
......\........\StepMot.M51
......\........\StepMot.OBJ
......\........\StepMot.Opt
......\........\StepMot.plg
......\........\StepMot.Uv2