Re: A86: accessing video memory

To: assembly-86@lists.ticalc.org
Subject: Re: A86: accessing video memory
From: UrD14me <joemama@minot.com>
Date: Tue, 30 Sep 1997 21:44:44 -0500
References: <BMSMTP8738313346a0734985@dpcs4.itg.ti.com> <3431B37A.4036E0BC@erols.com>
Reply-To: assembly-86@lists.ticalc.org

Butler Family wrote:
> 
> i tried accessing the video memory and xoring it with %11111111 (making it opposite color). it worked ok until i tried using
> call _PDspGrph at the beginning of the program so i could the same at the graph screen.  it starts up and then turns off like
> I hit the off key except the it totally locks up too.  the end question being y cant i do this on the gaph screen? and if not
> is there another address for accessing the graph memory w/o ipoint?

i think you have to store the vid mem to the graph buffer for it to work
right?

References:

From:

A86: accessing video memory

From: Butler Family <butler2@erols.com>