GORF . Note that the player controls are on a PC board and go through voltage comparators

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GORF ==== Note that the player controls are on a PC board and go through voltage comparators to generate the U/D/L/R signals Logic Board =========== 21 Pin Connector ================ 1) Unused 2) Unused 3) Unused 4) Unused 5) Unused 6) Unused 7) To pin 8 on Control PC (Up) 8) To pin 9 on Control PC (Down) 9) To pin 5 on Control PC (Left) 10) To pin 6 on Control PC (Right) 11) To pin 3 on Control PC (Tied to pin 3 of 5 pin connector) 12) To pin 7 on Control PC (Ground) 13) Key (?) 14) To Coin Switch #1 15) To Coin Switch #2 16) To pin 1 on Audio Board 17) To Slam Switch 18) To "1 Player" Switch 19) To "2 Player" Switch 20) Common side of coin switches, slam switch and player switches 21) To pin 10 on Control PC (+5v) 28 Pin Connector ================ 1) To pin 6 on Audio Board (Audio In #1) 2) To pin 4 on Audio Board (Audio In #2) 3) To pin 2 on Audio Board (Audio Common) 4) Key 5) To pin 17 of Display PC (to base of Space Cadet Transistor) 6) To pin 4 of Display PC (to base of Space Captain Transistor) 7) To pin 15 of Display PC (to base of Space Colonel Transistor) 8) To pin 5 of Display PC (to base of Space General Transistor) 9) To pin 11 of Display PC (To base of Space Warrior Transistor) 10) To pin 7 of Display PC (To base of Space Avenger Transistor) 11) To pin 1 of Display PC (Ground) 12) To pin 2 of Display PC (To base of transistor connected to pin 3) 13) To pin 9 of Display PC (to base of transistor connected to pin 10) 14) To pin 13 of Display PC (to base of transistor connected to pin 14) 15) Unused 16) Key 17) To pin 1 of Interface PC (Tied to Ground) 18) Unused 19) To pin 2 of Interface PC (Tied to pin 3 and +12) 20) To pin 4 of Interface PC (-5) 21) To pin 5 of Interface PC (+5) 22) Unused 23) To pin 7 of Interface PC (B-Y) 24) To pin 8 of Interface PC (R-Y) 25) To pin 9 of Interface PC (!Sync) 26) To pin 10 of Interface PC (Tied to pins 1,8,12 and to ground) 27) To pin 11 of Interface PC (Video) 28) To pin 12 of Interface PC (Tied to Ground)

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