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Messages from 145400

Article: 145400
Subject: Re: different JTAG programming cables
From: Gabor <gabor@alacron.com>
Date: Mon, 8 Feb 2010 06:26:42 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 8, 4:11=A0am, David Fejes <fej...@gmail.com> wrote:
> Hello guys,
>
> is there any chance to get work a lattice jtag programming cable with
> xilinx products? I think, JTAG is a common standard, didn't? I've a hw-
> usbn-2a lattice cable and I want use with xilinx cplds, but the iMAPCT
> doesn't find the cable.
>
> If this is not possible, can anyone suggest a webstore in Europe where
> I can order a xilinx JTAG cable? The digilent won't ship their
> programming cables until 15.marc which is totally unacceptable. I've
> phoned at least a dozen shop, but there is no ship within a month.
>
> thank you in advance
> David

I believe that ispVM software from Lattice can play an SVF (not XSVF)
file generated in impact.  You may want to try that approach while
you're waiting for your Xilinx cable.

Article: 145401
Subject: Re: using an FPGA to emulate a vintage computer
From: Jecel <jecel@merlintec.com>
Date: Mon, 8 Feb 2010 08:25:02 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 8, 2:42=A0am, H. Peter Anvin wrote:
> You can add to that list:
>
> http://www.abc80.org/~hpa/fpga/

Thanks! This is doubly wonderful since not only do I love FPGA based
retrocomputing but am also very interested in the history of computing
of countries outside the better known US/UK stuff.

-- Jecel

Article: 145402
Subject: Re: using an FPGA to emulate a vintage computer
From: Jecel <jecel@merlintec.com>
Date: Mon, 8 Feb 2010 08:28:28 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 8, 7:05=A0am, Gregory Estrade wrote:
> You can add those too :
> http://torlus.com/index.php?2007/12/05/208-oric-in-a-fpga-continued
> http://torlus.com/index.php?2007/03/19/200-thomson-mo5-in-a-fpga
> http://torlus.com/index.php?2007/01/31/198-hector-hrx-in-a-fpga
>
> Someday, I will set up a dedicated page for all these projects :)

Great! This subject really needs a whole wiki to itself rather than
just a page at a hard to remember address. This is on my "to do" list,
but it will be a while before I get to it.

-- Jecel

Article: 145403
Subject: Re: using an FPGA to emulate a vintage computer
From: johnf@panix.com (John Francis)
Date: Mon, 8 Feb 2010 17:07:09 +0000 (UTC)
Links: << >>  << T >>  << A >>
In article <C7921944.13537A%yaldnif.w@blueyonder.co.uk>,
(see below) <yaldnif.w@blueyonder.co.uk> wrote:
>
>I think such a project would valuable, and perhaps even more valuable if it
>aimed to recreate a machine of the "heroic" era -- a 7094, an Atlas, or a
>KDF9, say. Perhaps even a Stretch.

While I'd love to see an Atlas, I rather doubt any of the software survives.


Article: 145404
Subject: Re: using an FPGA to emulate a vintage computer
From: Al Kossow <aek@bitsavers.org>
Date: Mon, 08 Feb 2010 09:37:20 -0800
Links: << >>  << T >>  << A >>
On 2/8/10 9:07 AM, John Francis wrote:
> In article<C7921944.13537A%yaldnif.w@blueyonder.co.uk>,
> (see below)<yaldnif.w@blueyonder.co.uk>  wrote:
>>
>> I think such a project would valuable, and perhaps even more valuable if it
>> aimed to recreate a machine of the "heroic" era -- a 7094, an Atlas, or a
>> KDF9, say. Perhaps even a Stretch.
>
> While I'd love to see an Atlas, I rather doubt any of the software survives.
>

Reviving early computing dinosaurs from the surviving DNA is difficult.

I would be interested in hearing if any Atlas software survives. Sadly, it appears that
the Titan software has been lost as well. The Computer History Musuem has paper copies of
Stretch diagnostics, which someone had been working on OCRing, but I've not heard anything
about that effort for over a year. 7090/94 is in better shape, and there are copies of software
for it, including FORTRAN, running in simulation.

Personally, I'm very interested in seeing B5500 running again. I'm hoping the MCP tapes we have
in the CHM archives are recoverable. I have scanned most of the software listings CHM has in the
archives and put them up on bitsavers.

There is also someone working on an implementation of the CDC 6600 derived from the original
engineering drawings.

Hans Pufal was working on microcode level simulation of the 360/30, working from reverese-engineered
microcode from the Field Engineering documents.


Article: 145405
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:40:28 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 5, 2:13=A0pm, Michael Schwingen
<news-1235297...@discworld.dascon.de> wrote:
> ["Followup-To:" set to comp.arch.fpga.]
>
> Eric Chomko <pne.cho...@comcast.net> wrote:
> > Has anyone created a copy machine of an old system using an FPGA? I
> > was wondering if it would be possible to take an entire SWTPC 6800 and
> > compile the schematics and have it run on an FPGA board.? Wouldn't
> > even have to be the latest Xylinx product, I suspect.
>
> There are several such projects, eg. this Atari ST clone:http://www.exper=
iment-s.de/en/
>
> so most systems from the 8-bit era should be no problem at all.
>

Sehr kewl!

Thanks, that's what I was looking for.

Eric

Article: 145406
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:43:42 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 5, 3:10=A0pm, james <bu...@bud.u> wrote:
> On Fri, 5 Feb 2010 10:19:25 -0800 (PST), Eric Chomko
>
> <pne.cho...@comcast.net> wrote:
>
> |Has anyone created a copy machine of an old system using an FPGA? I
> |was wondering if it would be possible to take an entire SWTPC 6800 and
> |compile the schematics and have it run on an FPGA board.? Wouldn't
> |even have to be the latest Xylinx product, I suspect.
>
> John Kent has done a lot of work using Xilinx chips and synthesizing a
> 6809 version of the SWTPC onto a chip.
>
> See his webpage here
>
> http://members.optusnet.com.au/jekent/system09/
>
> There is also a yahoo group that is centered around the Tandy CoCO3 on
> a Digilent Spartan 3 starter board with the XC3S1000 chip option. The
> yahoo group is known as CoCo3fpga I think.
>


I have a SWTPC 6809. I will look into John Kent's project. Looks like
lots of fun.

Eric

Article: 145407
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:46:19 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 5, 4:57=A0pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote:
> In comp.arch.fpga Eric Chomko <pne.cho...@comcast.net> wrote:
>
> > Has anyone created a copy machine of an old system using an FPGA? I
> > was wondering if it would be possible to take an entire SWTPC 6800 and
> > compile the schematics and have it run on an FPGA board.? Wouldn't
> > even have to be the latest Xylinx product, I suspect.
>
> I haven't done it yet, but I am interested. =A0I have a Digilent
> Spartan3E board for that purpose. =A0I think it is big enough for
> the whole system for many of those machines.
>

Yep, that is the idea. I run a small Vintage Computer Club near
Greenbelt/College Park, MD and one of the gusy suggested we do such a
thing, so we are trying to get ideas. This thread is really good stuff
for that purpose.

Eric

Article: 145408
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:52:23 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 6, 5:23=A0am, "HT-Lab" <han...@ht-lab.com> wrote:
> "Mike Treseler" <mtrese...@gmail.com> wrote in message
>
> news:7t3rmlFhriU1@mid.individual.net...
>
> > Eric Chomko wrote:
> >> Has anyone created a copy machine of an old system using an FPGA? I
> >> was wondering if it would be possible to take an entire SWTPC 6800 and
> >> compile the schematics and have it run on an FPGA board.? Wouldn't
> >> even have to be the latest Xylinx product, I suspect.
>
> > No fpga, but same idea:
> >http://www.grc.com/pdp-8/pdp-8.htm
>
> Looking at the PDP8 picture brings back bad memories of me helping to cle=
ar out
> the computer lab at my old University which was full of PDP8 and PDP11, i=
t all
> went into the skip......;-(
>

Ouch! Heck even the govt. facility's excess warehouse where I work
saved back the remaining PDP-11s knowing they had collector value. I
believe that they have all been sold off as of about 5 years ago.

Article: 145409
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:55:34 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 5, 7:57=A0pm, Alex Freed <alex_n...@mirrow.com> wrote:
> Eric Chomko wrote:
> > Has anyone created a copy machine of an old system using an FPGA? I
> > was wondering if it would be possible to take an entire SWTPC 6800 and
> > compile the schematics and have it run on an FPGA board.? Wouldn't
> > even have to be the latest Xylinx product, I suspect.
>
> I did. Some 8 years ago.
>
> http://alexfreed.com/FPGApple/
>
> And then a few other vintage computers.
>

Very cool.

Eric


Article: 145410
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:57:58 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 6, 7:35=A0am, n...@puntnl.niks (Nico Coesel) wrote:
> Eric Chomko <pne.cho...@comcast.net> wrote:
> >Has anyone created a copy machine of an old system using an FPGA? I
> >was wondering if it would be possible to take an entire SWTPC 6800 and
> >compile the schematics and have it run on an FPGA board.? Wouldn't
> >even have to be the latest Xylinx product, I suspect.
>
> Many people already did that.
>
> http://www.hat.hi-ho.ne.jp/tujikawa/esepld/esemsx2/
>

Yes, no doubt. I want to do it too, along with others in my Vintage
Computer Club. Perhaps we'll pick something that hasn't been done yet.

Eric


Article: 145411
Subject: Re: using an FPGA to emulate a vintage computer
From: Eric Chomko <pne.chomko@comcast.net>
Date: Mon, 8 Feb 2010 09:59:15 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 6, 1:34=A0pm, Jecel <je...@merlintec.com> wrote:
> I try to keep a reasonably updated list of such projects at
>
> http://www.merlintec.com:8080/hardware/31
>
> -- Jecel

Thanks, for the link.

Eric

Article: 145412
Subject: Re: using an FPGA to emulate a vintage computer
From: glen herrmannsfeldt <gah@ugcs.caltech.edu>
Date: Mon, 8 Feb 2010 20:31:04 +0000 (UTC)
Links: << >>  << T >>  << A >>
In comp.arch.fpga Al Kossow <aek@bitsavers.org> wrote:
(snip)
 
> Personally, I'm very interested in seeing B5500 running again. 
> I'm hoping the MCP tapes we have in the CHM archives are 
> recoverable. I have scanned most of the software listings CHM 
> has in the archives and put them up on bitsavers.

The B5500 was the first computer I did any programming on, when
I was about nine.  Not so much later, it was sold.  I then
rediscovered programming some years later, first on an HP 9810A,
and then OS/360 Fortran. 

It would be nice to try the B5500 again, though software emulation
(instead of FPGA emulation) would probably be just fine.

(snip)
 
> Hans Pufal was working on microcode level simulation of the 360/30, 
> working from reverese-engineered microcode from the Field 
> Engineering documents.

I thought someone had copies of the microcode, but then again
maybe that is what they meant.  Are there no copies of the
actual ROS available in museums?  

-- glen
 

Article: 145413
Subject: Re: using an FPGA to emulate a vintage computer
From: Joe Pfeiffer <pfeiffer@cs.nmsu.edu>
Date: Mon, 08 Feb 2010 13:54:51 -0700
Links: << >>  << T >>  << A >>
Al Kossow <aek@bitsavers.org> writes:
>
> Reviving early computing dinosaurs from the surviving DNA is difficult.

That's a line that deserves to be put above the entrance to a computer
museum.
-- 
As we enjoy great advantages from the inventions of others, we should
be glad of an opportunity to serve others by any invention of ours;
and this we should do freely and generously. (Benjamin Franklin)

Article: 145414
Subject: Re: using an FPGA to emulate a vintage computer
From: Al Kossow <aek@bitsavers.org>
Date: Mon, 08 Feb 2010 13:14:57 -0800
Links: << >>  << T >>  << A >>
On 2/8/10 12:54 PM, Joe Pfeiffer wrote:
> Al Kossow<aek@bitsavers.org>  writes:
>>
>> Reviving early computing dinosaurs from the surviving DNA is difficult.
>
> That's a line that deserves to be put above the entrance to a computer
> museum.

Typo, this was what I actually meant to say

"Reanimating early computing dinosaurs from surviving DNA is difficult."



Article: 145415
Subject: Re: using an FPGA to emulate a vintage computer
From: Peter Flass <Peter_Flass@Yahoo.com>
Date: Mon, 08 Feb 2010 17:27:32 -0500
Links: << >>  << T >>  << A >>
Jecel wrote:
> On Feb 8, 2:42 am, H. Peter Anvin wrote:
>> You can add to that list:
>>
>> http://www.abc80.org/~hpa/fpga/
> 
> Thanks! This is doubly wonderful since not only do I love FPGA based
> retrocomputing but am also very interested in the history of computing
> of countries outside the better known US/UK stuff.
> 

 From the sound of the projects being done, it sounds like it's a 
challenge to use FPGA to emulate even simple instruction sets, no?

Article: 145416
Subject: Re: using an FPGA to emulate a vintage computer
From: Peter Flass <Peter_Flass@Yahoo.com>
Date: Mon, 08 Feb 2010 17:31:28 -0500
Links: << >>  << T >>  << A >>
Al Kossow wrote:
> 
> Personally, I'm very interested in seeing B5500 running again. I'm 
> hoping the MCP tapes we have
> in the CHM archives are recoverable. I have scanned most of the software 
> listings CHM has in the
> archives and put them up on bitsavers.

If not, you'd have to cob up some Algol compiler to cross-compile ESPOL, 
and then bootstrap MCP, Algol, and ESPOL using that.  Difficult, but 
do-able, once the code gets OCR'd (or, having looked at the listings, 
more likely re-keyed.)

Article: 145417
Subject: Re: using an FPGA to emulate a vintage computer
From: Joe Pfeiffer <pfeiffer@cs.nmsu.edu>
Date: Mon, 08 Feb 2010 15:46:06 -0700
Links: << >>  << T >>  << A >>
Peter Flass <Peter_Flass@Yahoo.com> writes:

> Jecel wrote:
>> On Feb 8, 2:42 am, H. Peter Anvin wrote:
>>> You can add to that list:
>>>
>>> http://www.abc80.org/~hpa/fpga/
>>
>> Thanks! This is doubly wonderful since not only do I love FPGA based
>> retrocomputing but am also very interested in the history of computing
>> of countries outside the better known US/UK stuff.
>>
>
> From the sound of the projects being done, it sounds like it's a
> challenge to use FPGA to emulate even simple instruction sets, no?

In the same sense that emulating them in TTL chips is a challenge --
it's a comparable task, but done by writing VHDL or Veriolog instead of
by using a wire-wrap gun.

If you really want to embed a simple computing core in an FPGA project,
they're available off-the-shelf in libraries and can just be stuck in as
needed.  But that's not the goal of these projects.
-- 
As we enjoy great advantages from the inventions of others, we should
be glad of an opportunity to serve others by any invention of ours;
and this we should do freely and generously. (Benjamin Franklin)

Article: 145418
Subject: Re: using an FPGA to emulate a vintage computer
From: james <bubba@bud.u>
Date: Mon, 08 Feb 2010 18:04:44 -0500
Links: << >>  << T >>  << A >>
On Fri, 5 Feb 2010 21:57:28 +0000 (UTC), glen herrmannsfeldt
<gah@ugcs.caltech.edu> wrote:

|In comp.arch.fpga Eric Chomko <pne.chomko@comcast.net> wrote:
|> Has anyone created a copy machine of an old system using an FPGA? I
|> was wondering if it would be possible to take an entire SWTPC 6800 and
|> compile the schematics and have it run on an FPGA board.? Wouldn't
|> even have to be the latest Xylinx product, I suspect.
|
|I haven't done it yet, but I am interested.  I have a Digilent
|Spartan3E board for that purpose.  I think it is big enough for
|the whole system for many of those machines.
|
|-- glen
|==============

Glenn

The XC3S500e is big enough to do most if not all.

james

Article: 145419
Subject: Re: using an FPGA to emulate a vintage computer
From: glen herrmannsfeldt <gah@ugcs.caltech.edu>
Date: Mon, 8 Feb 2010 23:22:03 +0000 (UTC)
Links: << >>  << T >>  << A >>
In comp.arch.fpga james <bubba@bud.u> wrote:
(snip)
 
> The XC3S500e is big enough to do most if not all.

Well, I have thought as far as the Sparcstation 1.
That might require a bigger FPGA.

Sun has released verilog code for more recent SPARC processors.
It is likely that those, along with the rest of an actual system,
would be too big for even the larger XC3S devices.  Maybe the
Spartan 6 is bigger.

Another one to consider is the Macintosh Plus or SE.  That is,
68000 based Mac.    Also, 68010 or 68020 based Sun systems.

-- glen 

Article: 145420
Subject: Re: using an FPGA to emulate a vintage computer
From: "Charlie Gibbs" <cgibbs@kltpzyxm.invalid>
Date: Mon, 08 Feb 2010 17:05:51 -0800
Links: << >>  << T >>  << A >>
In article <1bd40ftplw.fsf@snowball.wb.pfeifferfamily.net>,
pfeiffer@cs.nmsu.edu (Joe Pfeiffer) writes:

> Al Kossow <aek@bitsavers.org> writes:
>
>> Reviving early computing dinosaurs from the surviving DNA is
>> difficult.
>
> That's a line that deserves to be put above the entrance to a
> computer museum.

"It's a Unix system!  I know this!"  -- Jurassic Park

-- 
/~\  cgibbs@kltpzyxm.invalid (Charlie Gibbs)
\ /  I'm really at ac.dekanfrus if you read it the right way.
 X   Top-posted messages will probably be ignored.  See RFC1855.
/ \  HTML will DEFINITELY be ignored.  Join the ASCII ribbon campaign!


Article: 145421
Subject: Re: using an FPGA to emulate a vintage computer
From: Mensanator <mensanator@aol.com>
Date: Mon, 8 Feb 2010 17:19:39 -0800 (PST)
Links: << >>  << T >>  << A >>
On Feb 8, 7:05=A0pm, "Charlie Gibbs" <cgi...@kltpzyxm.invalid> wrote:
> In article <1bd40ftplw....@snowball.wb.pfeifferfamily.net>,
>
> pfeif...@cs.nmsu.edu (Joe Pfeiffer) writes:
> > Al Kossow <a...@bitsavers.org> writes:
>
> >> Reviving early computing dinosaurs from the surviving DNA is
> >> difficult.
>
> > That's a line that deserves to be put above the entrance to a
> > computer museum.
>
> "It's a Unix system! =A0I know this!" =A0-- Jurassic Park

Are you thinking what I'm thinking?

Ancient processors evolving into more terrifying CPUs?

Perhaps some things man wasn't meant to tamper with.

>
> --
> /~\ =A0cgi...@kltpzyxm.invalid (Charlie Gibbs)
> \ / =A0I'm really at ac.dekanfrus if you read it the right way.
> =A0X =A0 Top-posted messages will probably be ignored. =A0See RFC1855.
> / \ =A0HTML will DEFINITELY be ignored. =A0Join the ASCII ribbon campaign=
!


Article: 145422
Subject: Re: using an FPGA to emulate a vintage computer
From: Rob Doyle <radioengr@gmail.com>
Date: Mon, 08 Feb 2010 20:21:05 -0700
Links: << >>  << T >>  << A >>
On 2/6/2010 12:10 PM, glen herrmannsfeldt wrote:
> In comp.arch.fpga Anne&  Lynn Wheeler<lynn@garlic.com>  wrote:
> (snip)
>
>> in the early 80s los gatos did custom hardware for chip logic simulation
>> (LSM ... "losgatos state machine" ... then "logic simulation machine"
>> for publication) ... dozen plus rack boxes ... ran 50,000 times faster
>> faster than logic simulation in software on 3033
>
> I remember when I first started working with computers I had a
> book from our library about ECAP, IBM's Electronic Circuit
> Analysis Program.  I never saw or used the actual program,
> and haven't heard about it since.   I wonder where it went...
>
> -- glen

I used ECAP at Penn State in the late 70's.  By then, Berkley SPICE 
was looking like the better tool.

Rob.

Article: 145423
Subject: Progrmming a flash connected to a Stratix II GX
From: jfh <jeanfrancois.hasson@gmail.com>
Date: Mon, 8 Feb 2010 20:24:48 -0800 (PST)
Links: << >>  << T >>  << A >>
Hi;

We are trying to program a CFI Flash (Numonyx TE28F320J3D75) using the
flash programmer of Quartus II/EDS  9.1. We followed the instructions
given in the User's Guide (from february 2010 !), and the programmer
is reading the CFI table correctly, but when it comes to actual
programming, it stops at 0%, with the following message :
"
Program failed
Error code : 4 in .....nios2flashprogrammer.exe ....
"
In parallel, we have been running read and write tests on the flash
and they are passing.
Thus we suspect that something may be wrong with the flash
programmer... would you have any idea of what we need to check and
what we can do to have a bit more visibility of what's going on  ?

Best regards,

JF

Article: 145424
Subject: Xilinx ISE 11.1 crash - Visual Studio error
From: Daku <dakupoto@gmail.com>
Date: Mon, 8 Feb 2010 21:04:49 -0800 (PST)
Links: << >>  << T >>  << A >>
Could some Xilinx ISE guru provide some hints for my problem ? I am
trying to synthesize a simple 4K RAM block with Xilinx ISE. About half-
way through execution, I get an error message, inside a Visual Studio
dialog box, stating that xst.exe ( the Xilinx synthesis executable)
has encountered a problem and would I like to debug ? The Xilinx ISE
is running
on a XP machine.
Any hints, suggestions would be of immense help.



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1998JanFebMarAprMayJunJulAugSepOctNovDec1998
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2009JanFebMarAprMayJunJulAugSepOctNovDec2009
2010JanFebMarAprMayJunJulAugSepOctNovDec2010
2011JanFebMarAprMayJunJulAugSepOctNovDec2011
2012JanFebMarAprMayJunJulAugSepOctNovDec2012
2013JanFebMarAprMayJunJulAugSepOctNovDec2013
2014JanFebMarAprMayJunJulAugSepOctNovDec2014
2015JanFebMarAprMayJunJulAugSepOctNovDec2015
2016JanFebMarAprMayJunJulAugSepOctNovDec2016
2017JanFebMarAprMayJunJulAugSepOctNovDec2017
2018JanFebMarAprMayJunJulAugSepOctNovDec2018
2019JanFebMarAprMayJunJulAugSepOctNovDec2019
2020JanFebMarAprMay2020

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