Re: commodore 8000 character size on screen (rectangular or squarre)

From: William Levak <wlevak_at_SDF.ORG>
Date: Wed, 31 Oct 2012 03:32:15 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.1210310329120.19296@sdf.lonestar.org>
On Tue, 30 Oct 2012, Gerrit Heitsch wrote:

> On 10/30/2012 09:47 PM, didier@aida.org wrote:
>> Hi
>> 
>> On the commdore 8000  40cols or 80cols  the font size is 8x8
>> 
>> On the 80cols cbm8000 is the character rectangular on the screen  ?
>> 
>> And
>> 
>> On the 40cols cbm8000 is the character square ?
>
> From my recollection (I used a 4032 and a 8032 back then), the characters on 
> the 4032 are square and on the 8032 they are rectangular.
>
> From the way I remember it looks, I'd say they just doubled the pixel clock 
> (and of course the memory access on the screen RAM) on the 8032 compared to 
> the 4032.

That's right, but the text mode also puts 2 bit lines between character 
lines.  Graphic mode leaves out those extra lines. Older PETs without the 
CRTC do not put in extra lines in either mode.


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

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Received on 2012-10-31 04:00:11

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