[Coco] RGB2VGA Bitstream - 2nd Attempt at getting an answer...

Cocodemus retrocanada76 at gmail.com
Mon Oct 12 13:19:26 EDT 2015


I'm here! From Vancouver BC now :)

Sent from my iPhone

> On Oct 12, 2015, at 10:06 AM, Steven Hirsch <snhirsch at gmail.com> wrote:
> 
> Can anyone using an rgb2vga video adapter please tell me which version of bitstream file you are running and where you obtained it from?
> 
> Ed?  What are you programming them with when you ship the DE0-Nano as part of the deal?
> 
> I'm asking because I'm observing poor video quality with the HEAD revision from Luis's SVN repository (r100).  I've tried two different Coco 3s and it looks awful with both of them.  By doing a binary search over the 100-odd versions available, I have found that r52 (almost a year old) is completely artifact free.
> 
> Also, the simulated scan lines in the newest version have so little contrast that they're almost invisible.  Is there a simple change in the code to reduce the intensity of the "off" lines?  They look great in r52, FWIW.
> 
> Steve
> 
> p.s. - Has anyone heard from Luis in the past few months?  I know he had a cross-continent move, but was hoping to see him on the list by now.
> 
> 
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