[Coco] RGB2VGA in FPGA, useful?

[Retro Canada]

if you consider that a roy's converter will cost 92 usd it seem pretty effective.

Sent from my iPhone

On 2013-05-19, at 10:05 AM, Mark McDougall <msmcdoug at iinet.net.au> wrote:

> On 19/05/2013 11:43 PM, Luis Antoniosi (CoCoDemus) wrote:
> 
>> it says digital RGB (RGBI ?), so it wont show all coco3 palette.
>> 
>> If that could be fixed this would be a good solution.
> 
> It's a simple line doubler. You can see from the source there's nothing to it. Plenty of FPGA arcade emulations do this internally for VGA output; I've got one in my Coco 1/2 project.
> 
> To increase the colour resolution, you simply need more pins, and more internal memory - everything else stays the same. Having said that, the EP2C5 is more than adequate even for 24-bit colour and 640 pixels/line.
> 
> Not sure about the cost effectiveness though!?!
> 
> Regards,
> 
> -- 
> |              Mark McDougall                | "Electrical Engineers do it
> |  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"
> 
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