SPELUNKER Manufacturer: Irem Year: 1985 | ---------------------+---------------------- GND | 1 | A | GND GND | 2 | B | GND | 3 | C | Counter A | 4 | D | 1P.Left | 5 | E | 2P.Left 1P.Right | 6 | F | 2P.Right 1P.Attack | 7 | G | 2P.Attack 2P.Start | 8 | H | 1P.Start | 9 | I | Counter B Coin B |10 | J | Sync +12V |11 | K | +12V +12V |12 | L | +12V Speaker + |13 | M | Speaker - 1P.Jump |14 | N | 2P.Jump Red |15 | O | Green Blue |16 | P | 2P.Up |17 | Q | 2P.Down 1P.Up |18 | R | 1P.Down Service |19 | S | Coin A +5V |20 | T | +5V +5V |21 | U | +5V GND |22 | V | GND