Re: Color RAM... Can be mapped "out"?

From: groepaz_at_gmx.net
Date: Fri, 28 Aug 2020 00:19:19 +0200
Message-ID: <2068879.h6RI2rZIcs_at_rakete>
Am Freitag, 28. August 2020, 00:16:36 CEST schrieb tokafondo:
> Thanks. So.. it could be said than this would make the Commodore 64 a "de
> facto" 66K of RAM computer, wouldn't it?
>
> Because if I...
>
> - Disable the I/O area and write to $D800...
> - Enable the I/O area and write to the Color RAM as I need...
> - And then disable the I/O area and read what I previously wrote there...
>
> Would the values still be there? Could I disable I/O when raster line is out
> of the displayed area to tinker with $D800... and then reenable before
> first line is going to be displayed?

color ram is 1k/2 (4 pages, but only 4 bits) ... so effectively 64.5k :)

and of course, you can store values and bank it out and read the values later.

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Received on 2020-08-28 01:01:06

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