I would check out the position counters and timer.
Also, you might want to take a look at the Z-axis control.
Specifically blanking and beam valid (/blank & bvld) in the loc K9 area.
Good luck.
-Mark
P.S. Let us know what it was when you find it.
----- Original Message -----
From: Andy Welburn <andy@andys-arcade.com>
To: <vectorlist@synthcom.com>
Sent: Wednesday, February 26, 2003 5:26 PM
Subject: VECTOR: tech : Asteroids jagged vectors pcb prob
> from the distortion of moving objects, it looks like the rocks are passing
> over a very uniformed grid. The spikes are stable and do not move or ripple
> by the way.
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Received on Wed Feb 26 17:10:07 2003
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