File list (Check if you may need any files):
MCS-51 examples\Chapter 8\70 Step Motor\Last Loaded Step Motor.DBK
...............\.........\.............\Step Motor
...............\.........\.............\Step Motor.DSN
...............\.........\.............\Step Motor.LST
...............\.........\.............\Step Motor.M51
...............\.........\.............\Step Motor.OBJ
...............\.........\.............\Step Motor.Opt
...............\.........\.............\Step Motor.PWI
...............\.........\.............\Step Motor.Uv2
...............\.........\.............\Step Motor.asm
...............\.........\.............\Step Motor.hex
...............\.........\.............\Step Motor.lnp
...............\.........\.............\Step Motor.plg
...............\.........\.............\Step Motor_Opt.Bak
...............\.........\.............\Step Motor_Uv2.Bak
...............\.........\.............\Text3l.LST
...............\.........\.............\Text3l.OBJ
...............\.........\.............\Text3l.asm
...............\.........\69 DC Motor\Backup Of DC Motor.DBK
...............\.........\...........\DC Motor
...............\.........\...........\DC Motor.DSN
...............\.........\...........\DC Motor.LST
...............\.........\...........\DC Motor.M51
...............\.........\...........\DC Motor.OBJ
...............\.........\...........\DC Motor.Opt
...............\.........\...........\DC Motor.PWI
...............\.........\...........\DC Motor.Uv2
...............\.........\...........\DC Motor.asm
...............\.........\...........\DC Motor.hex
...............\.........\...........\DC Motor.lnp
...............\.........\...........\DC Motor.plg
...............\.........\...........\DC Motor_Uv2.Bak
...............\.........\...........\Last Loaded DC Motor.DBK
...............\.........\.8 I2C\I2C
...............\.........\......\I2C.BMP
...............\.........\......\I2C.DSN
...............\.........\......\I2C.LST
...............\.........\......\I2C.M51
...............\.........\......\I2C.OBJ
...............\.........\......\I2C.OMF
...............\.........\......\I2C.Opt
...............\.........\......\I2C.PWI
...............\.........\......\I2C.Uv2
...............\.........\......\I2C.asm
...............\.........\......\I2C.hex
...............\.........\......\I2C.lnp
...............\.........\......\I2C.omf.plg
...............\.........\......\I2C.plg
...............\.........\......\I2C_Opt.Bak
...............\.........\......\I2C_Uv2.Bak
...............\.........\......\Last Loaded I2C.DBK
...............\.........\.7 EEPROM\Backup Of EEPROM.DBK
...............\.........\.........\EEPROM
...............\.........\.........\EEPROM.DSN
...............\.........\.........\EEPROM.LST
...............\.........\.........\EEPROM.M51
...............\.........\.........\EEPROM.OBJ
...............\.........\.........\EEPROM.Opt
...............\.........\.........\EEPROM.PWI
...............\.........\.........\EEPROM.Uv2
...............\.........\.........\EEPROM.asm
...............\.........\.........\EEPROM.hex
...............\.........\.........\EEPROM.lnp
...............\.........\.........\EEPROM.plg
...............\.........\.........\EEPROM_Uv2.Bak
...............\.........\.........\Last Loaded EEPROM.DBK
...............\.........\.6 Key Lock (2)\Key Lock (2)
...............\.........\...............\Key Lock (2).DSN
...............\.........\...............\Key Lock (2).LST
...............\.........\...............\Key Lock (2).M51
...............\.........\...............\Key Lock (2).OBJ
...............\.........\...............\Key Lock (2).Opt
...............\.........\...............\Key Lock (2).PWI
...............\.........\...............\Key Lock (2).Uv2
...............\.........\...............\Key Lock (2).asm
...............\.........\...............\Key Lock (2).hex
...............\.........\...............\Key Lock (2).lnp
...............\.........\...............\Key Lock (2).plg
...............\.........\...............\Key Lock (2)_Opt.Bak
...............\.........\...............\Key Lock (2)_Uv2.Bak