gEDA: Re: [cf-user] FNF: Netlist format for Confluence and Informal

[Ales Hvezda <ahvezda@xxxxxxxxxxxxxx>]

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Delivery-Date: Mon, 22 Nov 2004 00:35:45 -0500
From: rodrigo benenson <rodrigo.benenson@xxxxxxxxx>

why FNF it is not in XML anymore ?

I do not care about how it is or what it is supposed to do, but I if
it is XML there much more possibilities to get early adopters of any
new file format....


rodrigob.


On Sun, 21 Nov 2004 23:40:17 -0600, Tom Hawkins <tom@xxxxxxxxxxxxx> wrote:
> I started to define the format for FNF: the future netlist format of
> Confluence and InFormal.
> 
> FNF is a flat netlist that retains hierarchical scoping.  The netlist is
> a directed graph of primitive RTL operations, called cells. Some basics:
>    - All cells have 0 or 1 outputs.
>    - All cells operate on bit vectors.
> 
> The syntax definition is located here:
> 
>    http://www.confluent.org/wiki/doku.php?id=fnf:main
> 
> (Steve, hopefully this aligns with Icarus synthesis, when you move it
> from bits to vectors.)
> 
> Shortly I will release an FNF generator for Icarus, followed by a
> Verilog, VHDL, C, and NuSMV writer.
> 
> Confluence Users, this should enable the following at some point in the
> future:
>    - Hierarchical HDL.
>    - 4-state C simulation models (01XZ), with VCD on all internals.
>    - Back annotation.
> 
> All comments are welcome.
> 
> -Tom
> 
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