Re: display of vcd dump files in electric

[Ralf Derscheid]

Dear Steven,

as mentioned before I highly appreciate that someone is spending
his precious time to code such things.

I will send a small example immediately.

Just one simple question in advance:

 I'm preprocessing my standard vcd files to make your tool
 capable of reading it.

 Do you accept any signal definition in addition to

        $var wire 1 #! my_signal $end

 ?

   Verilog & Modelsim use the statement input and output and the vcd 
spec mentiones
   much more like supply0 / supply 1.

   How can I distinguish the value "z" from the value "x" in the 
graphical display ?

   "1" is a top line, "0" is a bottom line, "x" and "z" are both a 
rectangular filled box. (all signals are red).


Best regards & thanks a lot




Ralf

P.S.

Please feel free to raise any question related to VCD or VCDE to me, as 
I'm used to work with these
files every day ;-)

 


Steven Rubin schrieb:
> > I highly appreciate that you have coded this nice tool,
> > as it allows me to show customers some diagrams without
> > requesting them to dive through endless listings.
> >
> > I could manage to convert a standard vcd file from verilog or modelsim
> > to be read into electric, but I could not manage to view the states Z 
> > or z
> > and maybe resistive 1 or resistive 0.
> >
> > Just a sample dump file holding the slang used to do this would be fine.
>
> The Electric VCD reader for Verilog output handles just 4 states: 0, 
> 1, X, and Z.  It does not handle "resistive 1" or "resistive 0".  I am 
> unfamiliar with VCD file syntax for those states.  If you have a SMALL 
> example file, please send it to me.
>
>    -Steven Rubin

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  NEC Electronics (Europe) GmbH

  Ralf Derscheid 
  Expert Assistant Manager
  Marketing Asic Solutions 
  Industrial & Distribution Business Unit

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