Step Twelve: Galaga Pinouts and Dip Switch Settings
Galaga Dip Switches
There are two sets of DIP switches on the Galaga CPU board. They are labeled
6J and 6K (6K is on top).
6J is used for setting the difficulty of Galaga. Switch 7 is not used on 6J, the rest are as follows:
Switch #1 is used for selecting the type of 1 or 2 player games:
When this switch is OFF:
1 Player Game: Press the 1 player start button.
%w, 3, 4, or 5 fighters.
2 Player Game: Press the 2 player start button.
2, 3, 4, or 5 fighters EACH.
When switch #1 is ON:
1 Player Game: Press the 1 player start button.
2, 3, 4, or 5 fighters.
1 Player Game: Press the TWO PLAYER start button
for a ONE PLAYER game with 5, 7, 9, or 11 fighters.
SW2 SW3
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OFF OFF Rank “A” – Easiest level of play.
ON ON Rank “B”
OFF ON Rank “C”
ON OFF Rank “D” – Hardest level of play.
SW4 SW5
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ON Sound during ATTRACT MODE. ON Freeze Video.
OFF No sound during ATTRACT MODE. OFF Monitor operates normally.
SW6 SW8
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ON Automatic rack advance. ON Coin counter one way.
OFF Normal operation. OFF Coin counter two way.
Switch bank 6K sets the number of credits, lives and lives given at certain
scores:
SW1 SW2 SW3 (Coins per Credit)
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ON ON ON FREE PLAY
ON ON OFF 4 Coins 1 Credit
ON OFF ON 3 Coins 1 Credit
ON OFF OFF 2 Coins 1 Credit
OFF ON ON 2 Coins 3 Credits
OFF ON OFF 1 Coin 3 Credits
OFF OFF ON 1 Coin 2 Credits
OFF OFF OFF 1 Coin 1 Credit
SW4 SW5 SW6 (Bonus ships awarded.)
Began with 2, 3, Began with 5
or 4 fighters fighters.
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1st SHIP 20000 1st SHIP 30000
ON ON OFF 2nd SHIP 60000 2nd SHIP 100000
AND EVERY 60000 AND EVERY 100000
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1st SHIP 20000 1st SHIP 30000
ON OFF ON 2nd SHIP 70000 2nd SHIP 120000
AND EVERY 70000 AND EVERY 120000
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1st SHIP 20000 1st SHIP 30000
ON OFF OFF 2nd SHIP 80000 2nd SHIP 150000
AND EVERY 80000 AND EVERY 150000
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1st SHIP 30000 1st SHIP 30000
OFF ON ON 2nd SHIP 100000 2nd SHIP 100000
AND EVERY 100000
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1st SHIP 30000 1st SHIP 30000
OFF ON OFF 2nd SHIP 120000 2nd SHIP 120000
AND EVERY 120000
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1st SHIP 20000 1st SHIP 30000
OFF OFF ON 2nd SHIP 60000 2nd SHIP 150000
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1st SHIP 30000 ONE SHIP 30000
OFF OFF OFF 2nd SHIP 80000 ONLY
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ON ON ON NO BONUS SHIPS GIVEN WITH THIS SETTING
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SW7 SW8 (Number of fighters to start with)
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ON ON 2 Space Fighters
ON OFF 3 Space Fighters
OFF ON 4 Space Fighters
OFF OFF 5 Space Fighters