The following are the Dip Switch settings based off of MAME 0.180 source code.
 
Use this information at your own risk!  The information was parsed from the MAME source code and could contain errors as to the state, order or descriptions of what the switches do.  If you find an error, please let me know on the Contact Us form and I will work on correcting the issue. 
 
 
 
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Manufactured by Sunwise, Released in 1995
ROM Version: Othello Derby (Japan)
Print
Dip Switch:DSWA
12345678FunctionOption
Off       Demo SoundsOff
On       On*
 On      Flip ScreenOff*
 Off      On
   Off    Allow ContinueNo
   On    Yes*
    OnOn  Coin A1 Coin/1 Credit*
    OffOn  1 Coin/2 Credits
    OnOff  2 Coins/1 Credit
    OffOff  3 Coins/1 Credit
      OnOnCoin B1 Coin/1 Credit*
      OffOn1 Coin/2 Credits
      OnOff2 Coins/1 Credit
      OffOff3 Coins/1 Credit
Dip Switch:DSWB
12345678FunctionOption
OffOn      DifficultyEasy
OnOff      Hard
OnOn      Normal*
OffOff      Very Hard
  On     UnusedOff*
  Off     On
   On    Off*
   Off    On
    On   Off*
    Off   On
     On  Off*
     Off  On
      On Off*
      Off On
       OnOff*
       OffOn
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