Arcade Restoration Workshop

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Dip switches used by this game
 
Pairs
Manufactured by Nichibutsu, Released in 1989
ROM Version: Pairs (Nichibutsu) (Japan 890822)
Dip Switch:DSWA
12345678FunctionOption
OffOff      DifficultyEasy*
OffOn      Hard
OnOn      Hardest
OnOff      Medium
  Off     Coinage1 Coin/1 Credit*
  On     1 Coin/2 Credits
   Off    Demo MusicOff
   On    On*
    Off   Game MusicOff
    On   On*
     Off  Flip ScreenOff*
     On  On
      Off UnusedOff*
      On On
       OffCharacter Display TestOff*
       OnOn
Dip Switch:DSWB
12345678FunctionOption
Off       UnusedOff*
On       On
 Off      Off*
 On      On
  Off     Off*
  On     On
   Off    Off*
   On    On
    Off   Off*
    On   On
     Off  Off*
     On  On
      Off Off*
      On On
       OffOff*
       OnOn
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