[Coco] WIP - RGB2VGA 800x600

[Zippster]

That’s great!  Can’t wait to check it out.

Very glad to hear you’re still doing some development on this.  :)

- Ed


> On Oct 28, 2015, at 2:28 AM, CoCo Demus <retrocanada76 at gmail.com> wrote:
> 
> Hi all RGB2VGA makers,
> 
> This is experimental and has not been tested in more than 2 monitors (the
> ones I have here).
> 
> But this code below gives you 800x600 output. No modification needed, just
> upload the code below using quartus/usb blaster.
> 
> It's the .sof (temporary) yet but when finished I will publish a branch on
> github with the .jic
> 
> https://sites.google.com/site/tandycocoloco/dropbox/rgb2vga.sof?attredirects=0&d=1
> 
> The screen gets smaller, there is no stretch algorithm but you get the full
> borders around and not problem with overscan too left or too right.
> 
> Check also the color stability. You can play predator or rampage and check
> the beautiful stable colors. There is a small residual jitter on 80 colum
> mode (if compared to the current head version in 640x480) but still very
> good.
> 
> This is due to QuartusII 15.0 be able to generate a better and optimized
> code.
> 
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