Path: utzoo!attcan!uunet!clyde.concordia.ca!news-server.csri.toronto.edu!cs.utexas.edu!usc!brutus.cs.uiuc.edu!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!netnews.upenn.edu!vax1.cc.lehigh.edu!cert.sei.cmu.edu!krvw From: KILLIAN@steffi.acc.uncg.edu (The Mad Doctor) Newsgroups: comp.virus Subject: Re: virus symptoms (Amiga) Message-ID: <0006.9003192059.AA02225@ubu.cert.sei.cmu.edu> Date: 14 Mar 90 17:21:00 GMT Sender: Virus Discussion List Lines: 19 Approved: krvw@sei.cmu.edu >> I have a game called Hybris. After playing this for a while, the >> screen will "fuzz", what I mean is that the graphics seem to get >> confused and all I see is one big blur on the screen. I have >> tried this with two independent disks of the game (ie: I borrowed >> them from two different people). This may or may not have anything >> to do with the blanking. > >I'm not familiar with the Amiga, but it is known that some programs >that directly program the video hardware do so incorrectly, leaving >the video signal in an "undefined" or "marginal" state. This could >cause problems of the sort that you describe (by the way, this could >also lead to permanent damage of the monitor). >Acknowledge-To: I've never heard of it leaving permanent damage to the monitor; if this is what I think it is, the problem is in the sprite registers. If it's the moving graphics that are being scrambled, this is probably what's occurring. Just load up Preferences and move the screen a little to the right or left until it corrects itself.