Raspberry Pi floppy interface.

[geneb via cctalk]

This looks like a project with a ton of potential for archviving media 
without having to deal with the asshattery of the kryoflux people.


https://github.com/picosonic/bbc-fdc

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: seeking punched-card reader in Boston area

[Nigel Williams via cctalk]

> On 18 Jan 2019, at 6:02 am, Guy Fedorkow via cctalk  
> wrote:
>   Does anyone in the Boston area know of a working 80-column
> punched-card reader?
>   I'm working with a researcher at Harvard who's come across some very
> interesting election polling data from the 1960 Kennedy-Nixon race,

Reminded me that at Harvard University, in the hallway below the impressive IBM 
ASCC (or Harvard Mark I)

https://i.imgur.com/ZQvs9J6.jpg

there is a unassuming display case with a DEC card-reader (and a DEC VK100 GiGi 
too) and a few other things:

https://i.imgur.com/0ENhw3H.jpg

Re: cctalk Digest, Vol 52, Issue 18

[Dr Iain Maoileoin via cctalk]

I have used Jorgs kit to get my 11/70 front panel running.

There is NO NEED to split the cables - for manual circuit, nor is there in the 
new
“cap” adaptor board.

I *THINK* Jorg has many cables and many panels and the split is a throwback
to some earlier work that I saw photos of.

My (wire wrapped, no using the new “cape”) is at 
http://www.scotnet.co.uk/iain/DEC/1170/ 

Flat 40 pins - no split.

I have not had time to document the process of the old or new board.  All I can 
say is 
that the kit turned a messy job into a fairly quick and easy one.

I can strongly recommend the kit to anyone.  

It took me two nights with the circuit list and a wire-wrap tool to set up the 
board in the
link above.

Then an elasped day footering with the test software and scope checking signals 
etc.
With the  newer 11/70 add on board I would think it would be a painless evening 
of work.



> 
> Message: 2
> Date: Thu, 17 Jan 2019 13:45:19 -0500 (EST)
> From: j...@mercury.lcs.mit.edu (Noel Chiappa)
> To: cctalk@classiccmp.org
> Cc: j...@mercury.lcs.mit.edu
> Subject: Re: "Plug and Play" adapter for PDP-11/70 panel - BlinkenBone
>   update
> Message-ID: <20190117184519.32c6918c...@mercury.lcs.mit.edu>
> 
>> From: Jorg Hoppe
> 
>> Now you can painlessly plug a physical 11/70 panel
> 
> So I'm curious about the flat cables to the -11/70 console, which have been
> taken apart into individual conductors. I am wondering why?
> 
> This doesn't seem to have been done because you needed to re-order them (they
> turn back into flat cables before they go into the connectors - although
> perhaps you cross-connected a pair of wires)? Easier access to individual
> signals for debugging?
> 
> Needless to say, if people who want to build one of these also have to do
> this, I wouldn't exactly call it 'painless'! :-)
> 
>   Noel

Wanted: AT&T System V Release 3.2.{1,2,3} Source Code

[Seth J. Morabito via cctalk]

[Cross-posted from the 3B2 mailing list]

Hi folks,

I'm in search of source code for AT&T's System V Release 3.2.1, 3.2.2,
and/or 3.2.3 for the 3B2. Does this exist? Has anyone ever seen it?

Note that I'm not looking for the System V Release 3.2 Source Code
Provision for the 3B2 /310 and /400 -- I already have that. It was
absolutely invaluable when I was writing my 3B2/400 emulator.

The reason I'm so keen on getting access is that I have ROM images from
a 3B2/1000, and I'd like to add support for it to my 3B2 emulator. The
system board memory map seems a bit different than the /300, /310, and
/400. These max out at SVR 3.2.

I can't imagine trying to add 3B2/1000 support without the 3.2.x source
code.

I imagine there's some tape image somewhere that's a delta of files that
take you from 3.2 to 3.2.1, 3.2.2 or 3.2.3?

-Seth
--
  Seth Morabito
  Poulsbo, WA, USA
  w...@loomcom.com

Xerox Star emulator (Darkstar) released today

[Josh Dersch via cctalk]

Hi All --

Thought you folks might be interested -- I've been working on a Xerox 
Star emulator at LCM+L on and off over the past year and I've finally 
unleashed it upon the world.  It's called Darkstar, it's open source and 
it runs all the Star software I'm aware of.  The Ethernet interface is 
still mostly untested, however.


You can grab the emulator and its source code on our GitHub site 
here:https://github.com/livingcomputermuseum/Darkstar.  Disk images are 
available on Bitsavers as always.  Thanks to Al for providing a lot of 
assistance on this project.


Please let me know if you have any questions or suggestions.

Thanks!

Josh

Re: Xerox Star emulator (Darkstar) released today

[Alexandre Souza via cctalk]

Wow! Thanks for your efforts! I always wanted to fiddle with a Xerox Star
=D

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sáb, 19 de jan de 2019 às 01:36, Josh Dersch via cctalk <
cctalk@classiccmp.org> escreveu:

> Hi All --
>
> Thought you folks might be interested -- I've been working on a Xerox
> Star emulator at LCM+L on and off over the past year and I've finally
> unleashed it upon the world.  It's called Darkstar, it's open source and
> it runs all the Star software I'm aware of.  The Ethernet interface is
> still mostly untested, however.
>
> You can grab the emulator and its source code on our GitHub site
> here:https://github.com/livingcomputermuseum/Darkstar.  Disk images are
> available on Bitsavers as always.  Thanks to Al for providing a lot of
> assistance on this project.
>
> Please let me know if you have any questions or suggestions.
>
> Thanks!
>
> Josh
>
>

Re: Free: SGI Indigo R4k (NYC area)

[Ray Arachelian via cctalk]

I'm out on Long Island, if they not gone, I'd be interested in picking
up one.

On 01/14/19 10:23, kk via cctalk wrote:
> Hi - I am making some room. I have a two SGI Indigos. One of them is a R4K.
> The second may be a r3k, but may be a r4k as well (I wont get a chance to
> check til the evening).
>
> Both will have ram/cpu/graphics/sled. If youre local, come and get them.
>
> If no takers locally, I will ship for cost of shipping (but I wont get a
> real chance to do this for a week or 2, if not longer).
>
> Ping me if youre interested, thanks.
>