TUNNEL HUNT
Centuri - 1982
PINOUTS:

                       Wiring List for P20:
       
        PARTS               |   |   |      SOLDER
        ------------------------------------------
        GND                 | A | 1 |      Ground
        + 5 V               | B | 2 |      + 5 V
        + 12 V              | C | 3 |      
        - 5 V               | D | 4 |      
                            | E | 5 |      Start
        Fire                | F | 6 |      Shield
                            | H | 7 |      Coin 1
                            | J | 8 |      Audio 2
        Up/Down Pot         | K | 9 |      Left/Right Pot
        Audio 1             | L | 10|      
        + 10.3 V Unreg      | M | 11|      Red
                            | N | 12|       
                            | P | 13|      Green 
        Blue                | R | 14|      ~CSync
                            | S | 15|      
        Video GND           | T | 16|     
        Test                | U | 17|     
                            | V | 18|      
	                    | W | 19|      - 5 V 
	                    | X | 20|      + 12 V
        + 5 V               | Y | 21|      + Sense
        GND                 | Z | 22|      - Sense