Re: VC-20 all 16 colours full-screen?

From: silverdr_at_wfmh.org.pl
Date: Wed, 1 Sep 2021 18:20:23 +0200
Message-Id: <3A6F0FDA-193A-496A-8D57-270261B07AF9_at_wfmh.org.pl>
> On 2021-09-01, at 17:57, Anders Carlsson <anders.carlsson_at_sfks.se> wrote:
> 
> Den 2021-09-01 kl. 17:03, skrev groepaz_at_gmx.net:
>> i *think* what silverdr is looking for isnt actually "whole visible screen" but really "the entire screen" (the complete area that contains video output) to make some measurements - not sure what dimensions you'd have to use for this
> 
> 25 years ago, Marko Mäkelä et. al did some measurements as documented in this document:
> 
> http://www.zimmers.net/anonftp/pub/cbm/documents/chipdata/VIC-I.txt
> 
> I'm sure P will be able to adjust the POKE coordinates to match his requirements.

Pardon my VC-20 ignorance.. I take this means that VIC-I can expand its "screen" area to cover the *entire* "border" area, ritht?

> AFAIK the VIC-I chip at most can display 1024 positions, but if you enable the 8x16 mode and use custom graphics to get a full 8x16 blank space, it probably should be no problem to fill every dot pixel the chip outputs with foreground spaces.

But it might require additional effort to redefine character set, right?

-- 
SD! 
Received on 2021-09-01 19:00:39

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