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

[Tom Hawkins <tom-at-NOSPAMconfluent_dot_org>]

rodrigo benenson wrote:
> 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....

Right now, custom ASCII is easier for me to handle.  But at some point, 
I'll add an XML reader and writer.

-Tom

> 
> 
> rodrigob.
> 
> 
> On Sun, 21 Nov 2004 23:40:17 -0600, Tom Hawkins <tom@confluent.org> 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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> 
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