Cosmic Alien
Universal
1980
-----------------------

                                   
    ---------------------+----------------------
               GND   | 1 | A |   GND
               GND   | 2 | B |   GND
               +5V   | 3 | C |   +5V
               +5V   | 4 | D |   +5V
              +12V   | 5 | E |   +12V
               -5V   | 6 | F |   -5V
               GND   | 7 | G |   GND
              +18V   | 8 | H |   +18V
                     | 9 | I |   
           1P.Left   |10 | J |   2P.Left
          1P.Right   |11 | K |   2P.Right
           1P.Fire   |12 | L |   2P.Fire
          1P.Start   |13 | M |   
          2P.Start   |14 | N |   
              Coin   |15 | O |   
             Reset   |16 | P |   
             Reset   |17 | Q |   
                     |18 | R |   Red
                     |19 | S |   Green
                     |20 | T |   Blue
                     |21 | U |   Sync
           Speaker   |22 | V |   
           Speaker   |23 | W |   
                     |24 | X |   
     Switch Return   |25 | Y |   GND
    Coinsw. Return   |26 | Z |   GND
                     |27 | a |   
               GND   |28 | b |   GND