Subj : Why does the colour map move on the VIC-20?
To   : All
From : Lawrence Woodman
Date : Thu Dec 10 2020 07:34 pm

Hello,

Does anyone know why the colour map moves between $9400 and $9600 on the
Vic? Is there a reason it couldn't stay at a single location such as
$9400?

I've wondered about this for a while and there is probably an obvious
reason that I'm missing but I would love to know. My interest in this was
renewed recently when I was creating a video (links below) which shows
the colour map being used as a location to store data and now it seems
I really should find out.  I've posted about this on vcfed.org but
there's been no answer yet so am hoping someone here will know.

Run Code and Store Data in Display Memory on the VIC-20
  Video: https://www.youtube.com/watch?v=EkfBijC8MSU
  Article: https://techtinkering.com/articles/code-and-data-in-display-memory-on-the-vic-20/


Best wishes


Lorry

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Retro, VIC-20, CP/M, etc
https://techtinkering.com
https://youtube.com/techtinkering

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