On Thu, Dec 11, 2008 at 08:24:37PM +0100, Sylvere Teissier wrote:
> GHDL can generate block hierarchy tree on standard output (text) at 
> simulation time using "--disp-tree" option:
> http://ghdl.free.fr/ghdl/Simulation-options.html#Simulation-options

Right.  It can also pretty print your vhdl sources, eg:
http://ghdl.free.fr/dlx/mux2-behaviour.47.html

If you need to extract state machine, first you have to design the
algorithm, the implementation shouldn't be very hard.

Tristan.

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