[Coco] More colors on CoCo 1?

[Roger Taylor]

At 02:12 AM 1/21/2007, you wrote:
>Ok, this may be just wild speculation.  But couldn't one write a program
>that would flip between 2 9-color SG-24 screens to make a 64x192
>high(er)-color display on a CoCo 1 or 2?  Not that I'm seriously
>thinking of attempting such a thing.  It would take up 12K of RAM, but
>that in itself shouldn't be a show stopper on a 64K machine.  Resolution
>would be quite low, and the elongated pixels would be weird.  But I
>wonder if you could almost get a recognizable image by time-domain
>dithering the colors.
>
>Another question is whether the screens would even have to be in the
>same graphics mode.  Could one superimpose a 256x192 2-color bitmap over
>an SG-24 colorizer?  Or two?  That would require 18K.  Why would this
>not work?



Sockmaster would be the guy to pull that off, although I think pixel 
resolution has a lot to do with it.

Blockier graphics will result in flicker being much more noticable 
because you're spreading the same colors across so many dots on the screen.