Re: Thanks for the Verilog help

On 2013-12-10, at 21:40, brain@jbrain.com wrote:

> > > I know it's not much, but I was able to successfully synthesize and use a small chunk of handwritten Verilog last night to implement 4 read/write registers in a CPLD. I wired it up to the C64, and 56832-56835 now can hold 4 different value. 
> > > 
> > > Pretty trivial, but it's something. 
> > 
> > Heh - I haven’t gotten even /that/ far yet! Congrats on the first rewarding results!
>  
> Well, if someone wants to quickly replicate:
>  
> I used an unpopulated Mini-Xpander PCB (I don't sell them, but Arkanix Labs sells them populated,

I checked their website but didn’t find any hardware stuff for sale there. Only searching through combined keywords revealed this:

http://www.arkanixlabs.com/minixpander/

> and I ran the boards for them, so I had a few spares.  I could make more, if needed).  They had a pinout for 2 1x22x.1" footprints, to which I installed 1x22 .1" headers.
> I then bought one of those CPLD XC9572XL boards off ebay for $10.00 or so.  They have all of the pins on headers as well, and a 3V3 voltage regulator onboard.
> I finally bought a batch of 15cm "patch" wires with female header connectors on each end.
> Wired it up, plugged it into the C64, and turned it all on.

Could you post a picture somewhere?

>  
> No soldering.

Well, I am not afraid of soldering but for this kind of “RAD” approach it seems attractive for a good start.

-- 
SD!
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