[Coco] CoCo 3 FPGA?

jdaggett at gate.net jdaggett at gate.net
Mon Jul 30 20:40:44 EDT 2007


On 28 Jul 2007 at 23:42, Mark McDougall wrote:

> rondelvo wrote:
> 
> > why stop at 256 colors?
> 
> Because the poor old 6809 - even at 12MHz - would have a hard time
> shifting around a few MB of graphics memory...
> 
> Regards,
> 

Mark I agree whole hardily. One could do 24 bit color with a pallette register 
much as the Coco does  now. But trtue 16 bit or 24 bit color even at 25 MHz 
speed requires a whole lot more than a minor hardware change. One would 
need a separate GPU instead of a VDU.

james



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