[sdiy] Cyclone SID

[James Patchell]

You will not be able to exactly make a SID clone in a Cyclone or Spartan 
(Xilinx) FPGA...

The SID was a hybrid of both digital and analog circuitry.  The FPGA will 
have to be an entirely digital solution.  There is nothing wrong with 
that...just that it will be different.

You can probably get much more than 24 voices in there...

Now as far as development boards that are low cost...Xilinx development 
boards seem to be less expensive.  I suspect that Xilinx subsidizes 
them.  The best deal is the Spartan III starter board, available for $100 
from Xilinx...comes with a 200K gate part.

At 10:46 AM 3/3/2006 +0100, Fredrik Carlqvist wrote:
>
>
>Hi!
>
>I was thinking about putting kind of a SID clone into an Altera Cyclone
>FPGA (EP1C3).
>
>Has anyone on this list worked with these chips?
>
>Is the QuartusII IDE any good?
>
>Are there any good resources on learning VHDL on the web?
>
>Are there any low-cost development boards?
>
>Am I on the wrong track here?
>
>It seems to me it is possible to put about 24 SID voices into that
>chip...
>
>
>Fredrik C

         -Jim
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