gnupic: gpsim breadboard
Subject:
Re: gpsim breadboard
From:
Brent Picasso ####@####.####
Date:
7 Jun 2002 16:06:42 -0000
Message-Id: <20020607155602.43563.qmail@web13103.mail.yahoo.com>
I agree, I looked at the screenshots, *very*
impressive... thanks!
Scott, do you think that you'll have support for the
16F876, or is it already basically supported because
the 16F877 is so similar (just more I/O) ?
Brent
--- Scott Dattalo ####@####.#### wrote:
> On Thu, 6 Jun 2002, Ralf Forsberg wrote:
>
> > It is now kind of usable.
> >
> > What is implemented:
> > Adding modules and nodes.
> > Creating and connecting (and disconnecting) nodes
> to pins.
> > Removing nodes and modules.
> > Positioning modules.
> > Saving (no file selector yet) to a .stc file.
> Saves module libraries, modules
> > (and module positions), nodes and node
> connections.
> >
> > What will be implemented:
> > Module library dialog for adding libraries.
> > File selector for saving.
> >
> > What may be implemented:
> > Saving/changing module attributes.
> > When moving mouse over a pin, draw (straight)
> lines to connected pins.
> > Your suggestions.
> >
> >
> > I managed to create this yesterday:
> > http://www.acc.umu.se/~rfg/dump.gif
> > (It's the breadboard, with a three bit adder
> implemented with logic gates,
> > connected to a pic that drives an 7-segment led.)
>
> This is impressive!
>
> >
> > (Sorry about the xor-symbol :-)
> >
> > I also managed to create a latch, it seems you are
> not limited to
> > combinatorial logic. (Oscillators won't work
> though :-).
>
> The stimuli logic will happily propogate state. If
> that state happens to
> be fed back into the input (like in an oscillator),
> the stimuli engine
> will hang forever. Perhaps I need to add a counter
> in there to keep track
> on how many times the state gets propogated.
>
> > (This is still a work in progress, there are bugs.
> But if you do try
> > it and find bugs that you think I might not know
> about, then mail me.)
>
> I think once you fill that the bugs are mostly out,
> then it's time for a
> new release. I also have a few bug fixes that
> several people have
> submitted that need to get into a new release.
>
> Scott
>
>
>
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