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Magic wrapping:

We have problems getting free hosting on     uklinux.net,
(our ISP).
Also there were some problems when we tested the software
with a bad version of Tix (shipped with a lot of linux distributions)

Temporarily, the magic wrapping will be on the  multigig.com ftp site,
and has had the KDE-look and feel removed.

I met with Tim Edwards last week ( Magic maintainer ) and
he explained the problems with  Hierarchical   ext2spice.
There is a fundamental problem which can apply
 - ext2spice has to flatten the hierarchy in the .ext file to
  account for modified cells  (e.g. if you wire into a node within
 a subcell it must extract the new configuration --- which is no longer
 a standard cell).  Overlapping cells are also a problem.
 If you never 'tap-into' the internal nodes of cells, nor overlap them,
ext2spice
 could work.   It is a simple little program to modify.

LVS - Tim has a copy of both   Gemini and  Netcomp  which apparently work.
LVS will be included in our complete package within a GUI option.

Once we get some free hosting for the  free software,  we are going to
publish our roadmaps etc
on  multigig.org.

In the short term,  ftp://multigig.com  will be active  (please wait a few
hours from now).

best regards,
John



----- Original Message -----
From: "Poras T. Balsara" <poras AT utdallas DOT edu>
To: <john.wood AT multigig DOT com>
Cc: <holla AT utdallas DOT edu>
Sent: Wednesday, December 05, 2001 11:23 AM
Subject: RE: [Fwd: Re: Regarding MAGIC wrapping]


>
> Dear John,
>
> I am very delighted to hear about the Magic GUI and your plans to have
> an integrated schematic capture tool.  This would allow us to have a
> complete
> package which would do schematic capture, generate spice netlist, use
> irsim
> for switch level simulation, do layout and then LVS.  I have been using
> Magic
> for over a decade now and so far I have been resisting a change to
> Cadence.
> Now, with these new additions, I think I'll continue using Magic
> (students
> will have options to use Cadence but, personally, I will use and support
> Magic).
>
> BTW do you know if there is ext2spice program that would generate a
> hierarchical
> netlist (using subckt commands) and not a flat netlist.  Also, is there
> anyone
> who is looking at integrating mpla, meg and peg and some rom, ram
> generators in
> the new Magic environment.
>
> Thanks a lot.
>
> Best regards
>
> --poras
>
>
>
> > -----Original Message-----
> > From: holla@utdallas.edu [mailto:holla AT utdallas DOT edu]
> > Sent: Tuesday, December 04, 2001 5:29 PM
> > To: Dr. Poras Balsara
> > Subject: [Fwd: Re: Regarding MAGIC wrapping]
> >
> >
> >
> >
> > -------- Original Message --------
> > Subject: Re: Regarding MAGIC wrapping
> > Date: Tue, 4 Dec 2001 23:24:05 -0800
> > From: "john wood" <john.wood AT multigig DOT com>
> > To: "Lakshmikantha Holla V" <holla AT utdallas DOT edu>
> > References: <3C0D4D84.1BCCA8AA AT utdallas DOT edu>
> >
> > Dear akshmikantha,
> >
> > The code is available,  but we haven't setup multigig.org
> > just yet. I'll post it up before the end of the week. and let
> > you know via the magic-developers list.
> >
> > The code is very basic at the moment, just a proof of concept
> > and it works. But it is very very easy for you to add any
> > menus you like to it, just need to add a few lines of  tcl/tk
> > code and the best way is to expand using the code as an example.
> >
> > The wrapper works with any version of magic and you don't
> > need to recompile magic (it drives it from outside).
> >
> > We will be developing this extensively in the next 6 months
> > with 3 people [myself,  David Broom,  James Adkins] allocated
> > to work on it.
> >
> > There is also parallel work going on with 2 other engineers
> > to fix  Spice once and for all.
> > Working with ng-spice,  we are adding a GUI on it
> > (see our SigFran  package and  the  rotary_explorer  user's guide
> >  downloadable from multigig.com   for screenshots).
> >
> > We also hope to work with Tim Edwards on  XCircuit, and Magic
> > integration to get  an end-end CAD tool set.
> >
> > The reason we are doing this is because we believe Magic is
> > a first-class VLSI editor and having the source lets us
> > add any capabilities we want to it.
> >
> > best regards,
> > John
> >
> >
> >
> > ----- Original Message -----
> > From: "Lakshmikantha Holla V" <holla AT utdallas DOT edu>
> > To: "John Wood" <john.wood AT multigig DOT com>
> > Cc: "Dr. Poras Balsara" <poras AT utdallas DOT edu>
> > Sent: Tuesday, December 04, 2001 2:26 PM
> > Subject: Regarding MAGIC wrapping
> >
> >
> > >
> > > Hello John,
> > >
> > > This is regarding the "magic wrapping" announcement
> > > posted on the Magic Mailing List. I am a Research Assistant
> > in Univ of
> > > Texas at Dallas. I am interested to know more about this
> > project. It
> > > looks exciting with the look, feel of a commercial layout editor.
> > >
> > > The question I have is, is it something that is
> > > available already or development has just begun? We are
> > > using Magic-7.1 and are looking forward to any advances
> > > w.r.t to the GUI. I saw the image posted on:
> > > http://vlsi.cornell.edu/magic/list/0151.html and it looks
> > really cool.
> > >
> > > Thanks for your time,
> > > --Holla
> > > --
> > >  Change before you have to
> > >        Jack Welch
> > >  ---------------------------------------------------
> > >  Lakshmikantha Holla V, E-Mail : holla AT utdallas DOT edu
> > >  Research Assistant,Centre for Integrated Circuits and
> > Systems (CICS)
> > > University of Texas at Dallas, Richardson, Texas-75080
> > >  ---------------------------------------------------
> > >
> > >
> >
>
>
>

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