TECH HELP: Galaga cocktail control problem
Last response: in Video Games
Archived from groups: rec.games.video.arcade.collecting (More info?)
Galaga 1st player is fine. When Game goes to player 2, the ship moves
to the far right and connot be moved with the control. I have checked
the joystick and harness, but can find no problems there. I am
presently digging into the CPU board....but I was hoping someone had
seen this before and could save me some time/grief/hair. Any
suggestions? So far, I am thinking of the custom chip at 4H (5162 I
believe). Before trying to scrounge one, is there anything else I
should look at?
Galaga 1st player is fine. When Game goes to player 2, the ship moves
to the far right and connot be moved with the control. I have checked
the joystick and harness, but can find no problems there. I am
presently digging into the CPU board....but I was hoping someone had
seen this before and could save me some time/grief/hair. Any
suggestions? So far, I am thinking of the custom chip at 4H (5162 I
believe). Before trying to scrounge one, is there anything else I
should look at?
More about : tech galaga cocktail control problem
Archived from groups: rec.games.video.arcade.collecting (More info?)
UPDATE:
I have since tested all the way back to the chip (5162). I compared
what is happening on the pins for ship movement. All imputs look fine.
With controllers "neutral" the line pulls up to 5 volts. When a
controller is moved, that line drop to 0. Looks like I need a Midway
5162 chip. Anyone know where I can find one?
UPDATE:
I have since tested all the way back to the chip (5162). I compared
what is happening on the pins for ship movement. All imputs look fine.
With controllers "neutral" the line pulls up to 5 volts. When a
controller is moved, that line drop to 0. Looks like I need a Midway
5162 chip. Anyone know where I can find one?
Archived from groups: rec.games.video.arcade.collecting (More info?)
Try JROK....Deal directly with him or MikesArcade stocks most of his
stuff.....I think Arcade shop does too.
Troy
Try JROK....Deal directly with him or MikesArcade stocks most of his
stuff.....I think Arcade shop does too.
Troy
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