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, > _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user