"Space Duel" (Atari, 1981) -------------------------- P20: 44-pin edge connector component side solder side -------------- ----------- GND A 1 GND +5V B 2 +5V C 3 +22 VDC D 4 -22 VDC 10.3 VDC E 5 COIN LOCKOUT F 6 COIN CTR R COIN CTR L H 7 SELECT LED START LED J 8 ROT L P2 ROT L P1 K 9 SHIELDS P2 SHIELDS P1 L 10 THRUST P1 THRUST P2 M 11 SELECT SW GND N 12 SW GND SW GND P 13 SW GND CABINET R 14 SLAM AUX COIN S 15 SELF TEST T 16 COIN L COIN R U 17 V 18 W 19 X 20 +5V Y 21 +SENSE (+5V) GND Z 22 -SENSE (GND) P19: 24-pin edge connector component side solder side -------------- ----------- X OUT A 1 X GND Y OUT B 2 Y GND C 3 FIRE P1 D 4 FIRE P2 ROT RT P2 E 5 ROT RT P1 F 6 START RED GND H 7 RED GREEN GND J 8 GREEN BLUE GND K 9 BLUE L 10 AUDIO GND M 11 AUDIO 2 N 12 AUDIO 1 ------------------------------------------------------------------ Table 1-1 Game Option Settings (Settings of 8-Toggle Switch on Space Duel game PCB at D4) 8 7 6 5 4 3 2 1 Option On Off 3 ships per game Off Off 4 ships per game $ On On 5 ships per game Off On 6 ships per game On Off *Easy game difficulty Off Off Normal game difficulty $ On On Medium game difficulty Off On Hard game difficulty Off Off English $ On Off German On On Spanish Off On French Bonus life granted every: Off On 8,000 points Off Off 10,000 points On Off 15,000 points On On No bonus life $Manufacturer's suggested settings *Easy-In the beginning of the first wave, 3 targets appear on the screen. Targets increase by one in each new wave. Normal-Space station action is the same as 'Easy'. Fighter action has 4 targets in the beginning of the first wave. Targets increase by 2 in each new wave. Targets move faster and more targets enter. Medium and Hard-In the beginning of the first wave, 4 targets appear on the screen. Targets increase by 2 in each new wave. As difficulty increases, targets move faster, and more targets enter. Table 1-2 Game Price Options (Settings of 8-Toggle Switch on Space Duel game PCB at B4) 8 7 6 5 4 3 2 1 Option Off On Free play Off Off *1 coin for 1 game (or 1 player) $ On On 1 coin for 2 game (or 2 players) On Off 2 coins for 1 game (or 1 player) Off Off Right coin mech x 1 $ On Off Right coin mech x 4 Off On Right coin mech x 5 On On Right coin mech x 6 Off Left coin mech x 1 $ On Left coin mech x 2 Off Off Off No bonus coins $ Off On Off For every 4 coins, game logic adds 1 more coin On On Off For every 4 coins, game logic adds 2 more coin Off On On For every 5 coins, game logic adds 1 more coin On Off On**For every 3 coins, game logic adds 1 more coin $Manufacturer's suggested settings *To charge by game: Toggle switch 4 at PCB location P10/11 to "on." To charge by player: Toggle switch 4 at PCB location P10/11 ot "off." **In operator Information Display, this option displays same as no bonus.