[Coco] How did Musica ][ work? (half-text, half-PMODE4)?

Arthur Flexser flexser at fiu.edu
Tue May 3 15:55:21 EDT 2016


I'm guessing it used the vertical and horizontal interrupts to switch
graphics modes on each screen frame when the scanning reached a certain
line.

Art

On Tue, May 3, 2016 at 3:52 PM, Rich Carreiro <rlcarr at gmail.com> wrote:

> The thread on the Orch-90 cartridge (which I never had) brought
> to mind the Musica ][ program (which I did have, and liked a lot).
>
> The thing I always wondered (and still do) was how did it have half
> the screen be in text mode and the other half of the screen be
> in PMODE 4:
>
>    http://www.cocopedia.com/wiki/index.php/Musica
>
> --
> Rich Carreiro
> rlcarr at gmail.com
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>


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