RE: Asteroids graphics problem

First guess is a bad DAC chip in one of the video output channels. One way
to find out for sure is to swap them with each other and see if the streaks
change axes.
  -----Original Message-----
  From: owner-vectorlist@vectorlist.org
[mailto:owner-vectorlist@vectorlist.org]On Behalf Of Joe Magiera
  Sent: Thursday, June 12, 2008 12:37 PM
  To: vectorlist@vectorlist.org
  Subject: VECTOR: Asteroids graphics problem

  I've got an Asteroids board that seems to be fully working except that the
display looks like it's got slightly closed window blinds running through
it. You can see a picture of it here:

  http://www.tollianweb.com/uc/Asteroids_problem.jpg

  That is not the camera shaking or anything like that, that's a very good
picture of the problem. When the game is playing, as objects move about the
screen, it appears they go through a set of window blinds; i.e., all objects
have streaks of horizontal normal brightness, and streaks of horizontal dark
shades.

  Any ideas anyone? Thanks,

  Joe (joemagiera at ameritech dot net)

  joemagiera@ameritech.net

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Received on Thu Jun 12 20:25:00 2008