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Re: gEDA-user: gtkwave
On Wed, 2008-03-12 at 01:05 +0000, Peter Clifton wrote:
> On Tue, 2008-03-11 at 20:25 -0400, Ian Chapman wrote:
> > I was learning ghdl and going through an exercise and I generated the
> > adder.vhd file per instructiions. When I run gtkwave adder.vhd I get a
> > fast flash of what may be an interesting screen and that's it. Did I
> > miss something when I installed gEDA tarball? Regards Ian.
>
> adder.vhd is the VHDL definition of your circuit.
Sorry, I guess I'm getting blind missing that. The previous stuff
generated the vcd file and I typed in the bad extension. Sorry again.
Ian.
>
> You need to simulaate that with ghdl, and pass the output from ghdl into
> gtkwave.
>
> Its been a long time since I played wtih ghdl, but vaguely recall that
> you have to call it a number of different times with different options.
>
> You end up with a compled test-bench for your circuit, which you can
> execute and get VCD output suitable for feeding gtkwave.
>
>
> Hope this helps, even if I don't know ghdl enough to be of further
> specific assistance.
>
> Best wishes,
>
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