Re: 6545 40/80 col register values

From: William Levak <wlevak_at_SDF.ORG>
Date: Fri, 27 Apr 2012 04:57:51 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.1204270454400.4213@sdf.lonestar.org>
On Wed, 25 Apr 2012, A.Fachat wrote:

> The 6545 cannot be switched between 40 and 80 cols, the width is ingrained
   into the hardware (80 cols require double the bandwith a 1 mhz 8 bit
   system can deliver)
>
> The only thing that can be done is to restrict the visible chars on a 80 col
   machine to 40. Don't know the register out of my head, though.

There is a program called "CBM 4032 V2.1" that does just that.  It works 
very well.  You do have to be careful not to change character sets, as 
that will wipe out the video setting of this program.


wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

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