[A86] Re: The f'n 86 screen

To: assembly-86@lists.ticalc.org
Subject: [A86] Re: The f'n 86 screen
From: "Andreas Finne" <a_finne@hotmail.com>
Date: Mon, 01 Oct 2001 22:24:15 +0300
Reply-To: assembly-86@lists.ticalc.org


I've actually come across this problem also. The first real game I made to 
the 86 used a sprite routine by Movax. It worked great, but when I crossed a 
certain horisontal line on the screen, the sprite went "semi-transparent". 
If I then started going horisontally along this line, the problem remained. 
If you want to see this problem in action, and don't mind downloading a 
crappy game, you can get it from www.ticalc.org/pub/86/asm/bolldin.zip

Andreas Finne


----Original Message Follows----
From: Notbynow@aol.com
Reply-To: assembly-86@lists.ticalc.org
To: assembly-86@lists.ticalc.org
Subject: [A86] Re: The f'n 86 screen
Date: Sun, 30 Sep 2001 18:11:45 EDT

        Sorry, I forgot that I wasn't smart and that I couldn't write my own
routines...  Anyway, my original question was why do certain areas of the
screen develop light spots when there are a bunch of dark pixels above it.  
I
still don't know the answer, but I now am quite certain that it is a 
hardware
problem, because If I move the "column" of "bullets" to a different area, 
the
area below is still almost to the point of the LCD being off in that area,
even if the contrast is way up.  To overcome this situation, I'm going
redesign my routines untill they work, because it is clear that nobody knows
why the screen does this; and since it is hardware, there's no way around 
it,
so new routines are the only way to get around it. Thank you for your 
support.

Marc McG





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[A86] Re: The f'n 86 screen

From: "David Phillips" <david@acz.org>