[Coco] Generic VGA adapter

[Steven Hirsch]

On Thu, 12 Jan 2017, Christopher wrote:

> I have a similar unit. It worked OK for CoCo 3 RGB to VGA, but I much 
> prefer the RGB2VGA FPGA adapter designed by Luis Antoniosi:
>
> https://sites.google.com/site/tandycocoloco/rgb2vga

Seconded.  The rgb2vga looks awesome on a large display, especially with 
his 800x600 bitstream.

Mark Marlette made a bunch of enhancements and improvements to the 
hardware, but does not currently have any of his available.


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