[Coco] Run of RGB2VGA boards

[Cocodemus]

An arduino cannot do it. It's a matter of speed and time and sync. Even if you overclock it to 1Ghz you will deal with a extremely complex sync code, counting instructions to perform it at the right time, because its just a cpu running code. A fpga runs paced in the edge of its multiple clocks and perfect timing fitting between each step and also most important: all in parallel.

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> On Aug 16, 2015, at 10:46 AM, Salvador Garcia <ssalvadorgarcia at netscape.net> wrote:
> 
> Not an expert on the DE-0 or the Arduino, but from what I do know of them I would assume that the Arduino can't handle this task. Hopefully I'll be corrected. :-)
> 
> 
> The DE-0, as such, and as I understand is an open ended device. The "program"that is loaded onto it configures is components so that it behaves a certain. For example, when it loads Gary's program for the FPGA Coco the, the DE configures it self not only as a 6809 microprocessor, but specifically as a Color Computer 3.
> 
> 
> On the other hand, the Arduino is a microcontroller based computer that just runs code. Of course, given enough code, any processor based product could be used to convert the RGB signals to VGA, but I suspect that the Arduino just does not have the necessary hardware resources to accomplish this task.
> 
> 
> I would ask the same question about a Raspberry Pi. This computer is a step up from the Arduino and has more hardware resources, plus it is not much more expensive than the Arduino.
> 
> 
> I hope someone else chimes in. If any of the above information is wrong I would like to corrected for the benefit of all. Salvador
> 
> 
> 
> 
> -----Original Message-----
> From: Barry Nelson <barry.nelson at amobiledevice.com>
> To: coco <coco at maltedmedia.com>
> Sent: Sat, Aug 15, 2015 11:06 pm
> Subject: Re: [Coco] Run of RGB2VGA boards
> 
> 
> I have a question, rather than a DE-0 Nano, could an Arduino Due be used to
> perform the video processing if software was developed to run on it? It has a 32
> bit processor running at 84 Mhz and is much less expensive than the DE-0 Nano.
> In theory it looks to me as if it might work...
> 
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