"Space Duel" (Atari, 1981)
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P20: 44-pin edge connector
component side solder side
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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
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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.