Re: HP Draftmaster RX pen plotter needs love

2016-11-17 Thread Brent Hilpert
On 2016-Nov-16, at 11:34 PM, Michael Newton wrote: > That's right, there is a -5v test point that reads zero. From the previous discussion, presumably you mean -12V. > Any guidance? Like if I need to pull parts off and test them, which ones > might I go for? I'm a caveman with electronics. Loo

Re: TI 990/189 debugging

2016-11-17 Thread Eric Smith
9.3V might actually work fine for a TMS9980, even though it's below spec. It's not going to damage the part, so it may be worth a try before modifying the board for 12V to the CPU socket. In NMOS digital parts that predate depletion loads, Vdd needs to be significantly higher than the most positiv

Datamation, May 1972

2016-11-17 Thread Kyle Owen
Does anyone have a scanned (or hard) copy of this? I'm trying to locate one, without much success. I'm mostly interested in the article entitled "Capture and Display of Keyboard Music". Thanks! Kyle

Re: Datamation, May 1972

2016-11-17 Thread william degnan
On Thu, Nov 17, 2016 at 9:54 AM, Kyle Owen wrote: > Does anyone have a scanned (or hard) copy of this? I'm trying to locate > one, without much success. I'm mostly interested in the article entitled > "Capture and Display of Keyboard Music". > > Thanks! > > Kyle > I wish...but there may be an al

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
> > I wish...but there may be an alternative. There is a 1970 book called "The > Computer and Music" containing 21 articles and documents on the subject. > Edited by Harry B. Lincoln. It is very possible that the Datamation > article drew content from this book and you might find the book for sal

Re: Datamation, May 1972

2016-11-17 Thread william degnan
On Thu, Nov 17, 2016 at 10:26 AM, Kyle Owen wrote: > > > > I wish...but there may be an alternative. There is a 1970 book called > "The > > Computer and Music" containing 21 articles and documents on the subject. > > Edited by Harry B. Lincoln. It is very possible that the Datamation > > articl

Re: Datamation, May 1972

2016-11-17 Thread Al Kossow
On 11/17/16 7:26 AM, Kyle Owen wrote: > I just picked up "Unplayed by Human Hands" (the first album, from 1975) and > wanted to learn a little more about how it was done. I do know it was a > PDP-8 and Model 33 ASR connected to a pipe organ, and there are bits and > pieces referencing it online.

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 9:39 AM, Al Kossow wrote: > > https://archive.org/stream/kilobaudmagazine-1978-02/ > > I think there is a paper in the DECUS proceedings as well > > > You might be interested in knowing Prentiss is still around and the > original tapes > along with several songs that weren

Doug Englebart - mouse!

2016-11-17 Thread Murray McCullough
Today in the age of pointer-graphics, ie., using a mouse, is a very important day: Nov. 17, 1970, Doug Engelbart, of SRI, Menlo Park, CA, invented the mouse or granted a patent for "X-Yposition indictator for a grahics display." BTW he doesn't know who coined the word 'mouse'. Happy computing! Mu

Re: Datamation, May 1972

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 10:26 AM, Kyle Owen wrote: > >> >> I wish...but there may be an alternative. There is a 1970 book called "The >> Computer and Music" containing 21 articles and documents on the subject. >> Edited by Harry B. Lincoln. It is very possible that the Datamation >> article dre

Re: Doug Englebart - mouse!

2016-11-17 Thread jos
On 17.11.2016 17:18, Murray McCullough wrote: Today in the age of pointer-graphics, ie., using a mouse, is a very important day: Nov. 17, 1970, Doug Engelbart, of SRI, Menlo Park, CA, invented the mouse or granted a patent for "X-Yposition indictator for a grahics display." BTW he doesn't know wh

Re: Doug Englebart - mouse!

2016-11-17 Thread Christian Corti
On Thu, 17 Nov 2016, jos wrote: On 17.11.2016 17:18, Murray McCullough wrote: Today in the age of pointer-graphics, ie., using a mouse, is a very important day: Nov. 17, 1970, Doug Engelbart, of SRI, Menlo Park, CA, invented the mouse or granted a patent for "X-Yposition indictator for a grahics

Re: Doug Englebart - mouse!

2016-11-17 Thread Fred Cisin
On Thu, 17 Nov 2016, jos wrote: Of course Telefunken had already a mouse, a.k.a. Rollkugel, in 1968. and MARKETED it! "Invention" and "FIRST" are always on shaky ground in any real historical research. Telefunken didn't consider it important enough to patent. Most REAL inventors consider th

Re: Doug Englebart - mouse!

2016-11-17 Thread Al Kossow
On 11/17/16 10:26 AM, Fred Cisin wrote: > Who has some time to go clean up Wikipedia? > No one Also, the Englebart mouse is two potentiometers mounted at a right angle so it only worked in a confined space. I need to dig my vaccuum-formed case SRI mouse and keyset out and take pictures of t

DNIX and ABCenix install media disk images.

2016-11-17 Thread Mattis Lind
A guy in Sweden made the effort to image the install media for DNIX 5.3 and 5.12 as well as ABCenix 5.12. https://dl.dropboxusercontent.com/u/96935524/Datormusuem/dnix-imd.tar.bz2 https://dl.dropboxusercontent.com/u/96935524/Datormusuem/ABCnix.tar.bz2 These are for computers made by DIAB (later

Re: DNIX and ABCenix install media disk images.

2016-11-17 Thread Al Kossow
I've uploaded them to bitsavers.org/bits/DIAB I should get my Colex 68K unix bits pulled together It was a VME 80186 MSDOS system that had a 68000/68451 board grafted onto it to run Unisoft Unix On 11/17/16 10:52 AM, Mattis Lind wrote: > A guy in Sweden made the effort to image the install media

Re: Doug Englebart - mouse!

2016-11-17 Thread Tony Duell
> > Also, the Englebart mouse is two potentiometers mounted at a right angle > so it only worked in a confined space. As an aside, didn't the much later Radio Shack mouse for the CoCo work like that? It plugged into the joystick port, and AFAIK needed no special software. -tony

Re: HP 6954A Multiprogrammer

2016-11-17 Thread Pete Lancashire
I took the thing apart last night. There is no room for an internal disk drive. I'll take photo's and post them by the weekend. Overall the computer side is mostly a typical 9000/200/300 chassis. The CPU is a unmodified early generation 310 w/1MB+Monochrome. -pete On Wed, Nov 16, 2016 at 10:47

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Ed Spittles
Signal boosting (For me, Eric's post landed in the naughty corner) On 16 November 2016 at 00:19, Eric Smith wrote: > Has anyone determined what 48-bit and 56-bit ECC polynomials are used by > the National Semiconductor hard disk controllers? The DP8496/97 allows > choice of hard-wired 16-bit CR

RE: Doug Englebart - mouse!

2016-11-17 Thread Rich Alderson
From: jos Sent: Thursday, November 17, 2016 9:38 AM > On 17.11.2016 17:18, Murray McCullough wrote: >> Today in the age of pointer-graphics, ie., using a mouse, is a very >> important day: Nov. 17, 1970, Doug Engelbart, of SRI, Menlo Park, CA, >> invented the mouse or granted a patent for "X-Ypos

Re: Doug Englebart - mouse!

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 2:20 PM, Rich Alderson wrote: > > ... > I think arguing "priority" is a pointless exercise. In the real world, the > mouse came to the fore with the Xerox Alto, where its use was inspired by > Engelbart, not Telefunken, and it spread to Lisp Machines, Lisa and Macintosh >

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 10:10 AM, Paul Koning wrote: > > Interesting. From around 1975 or so, and worth learning about is the > music synthesizer developed on the PLATO system at the University of > Illinois by Sherwin Gooch. The hardware is described in great detail > (including full schematic

Re: Datamation, May 1972

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 3:44 PM, Kyle Owen wrote: > > On Thu, Nov 17, 2016 at 10:10 AM, Paul Koning > wrote: > >> >> Interesting. From around 1975 or so, and worth learning about is the >> music synthesizer developed on the PLATO system at the University of >> Illinois by Sherwin Gooch. The h

Re: Doug Englebart - mouse!

2016-11-17 Thread Noel Chiappa
> From: Fred Cisin > Who has some time to go clean up Wikipedia? I'll get right on it ... as soon as I finish bailing out the ocean with a spoon. Wikipedia - proof that if you give a million monkeys keyboards, they can create something that vaguely resembles an encyclopaedia. No

Re: Datamation, May 1972

2016-11-17 Thread Al Kossow
On 11/17/16 12:44 PM, Kyle Owen wrote: > are there any other > computer music albums out there? yes, check the Warners budget (Nonesuch) label

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 2:57 PM, Al Kossow wrote: > > > On 11/17/16 12:44 PM, Kyle Owen wrote: > > are there any other > > computer music albums out there? > > yes, check the Warners budget (Nonesuch) label > Cool, thanks! I've heard of Nonesuch before, probably from Rifkin's Scott Joplin album.

Re: Datamation, May 1972

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 3:57 PM, Al Kossow wrote: > > > > On 11/17/16 12:44 PM, Kyle Owen wrote: >> are there any other >> computer music albums out there? > > yes, check the Warners budget (Nonesuch) label In college I once played some pieces from a recording in the back of a computer music

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 3:01 PM, Cory Heisterkamp wrote: > > Don't forget "Music From Mathematics" to get your IBM 7090 fix. -C > Good catch! I'll see if I can find a copy.

Re: Datamation, May 1972

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 4:02 PM, Paul Koning wrote: > > >> On Nov 17, 2016, at 3:57 PM, Al Kossow wrote: >> >> >> >> On 11/17/16 12:44 PM, Kyle Owen wrote: >>> are there any other >>> computer music albums out there? >> >> yes, check the Warners budget (Nonesuch) label > > In college I once

Re: Datamation, May 1972

2016-11-17 Thread Cory Heisterkamp
On Thu, Nov 17, 2016 at 2:57 PM, Al Kossow wrote: > > > On 11/17/16 12:44 PM, Kyle Owen wrote: > > are there any other > > computer music albums out there? > > yes, check the Warners budget (Nonesuch) label > > > Don't forget "Music From Mathematics" to get your IBM 7090 fix. -C

Re: Datamation, May 1972

2016-11-17 Thread Josh Dersch
On Thu, Nov 17, 2016 at 12:44 PM, Kyle Owen wrote: > On Thu, Nov 17, 2016 at 10:10 AM, Paul Koning > wrote: > > > > > Interesting. From around 1975 or so, and worth learning about is the > > music synthesizer developed on the PLATO system at the University of > > Illinois by Sherwin Gooch. The

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 3:03 PM, Paul Koning wrote: > > This is the piece I mentioned, I believe. https://www.youtube.com/watch? > v=60oxsizDxaQ That's quite eerie sounding!

Re: Datamation, May 1972

2016-11-17 Thread Kyle Owen
On Thu, Nov 17, 2016 at 3:08 PM, Josh Dersch wrote: > > I have an LP, "Electronic Music from the University of Illinois" (1967 or > so): > https://www.discogs.com/Various-Electronic-Music-From- > The-University-Of-Illinois/release/349054. > If I recall, they used the U of I's ILLIAC IV in the rec

Re: Datamation, May 1972

2016-11-17 Thread Brent Hilpert
On 2016-Nov-17, at 1:08 PM, Josh Dersch wrote: > I have an LP, "Electronic Music from the University of Illinois" (1967 or > so): > https://www.discogs.com/Various-Electronic-Music-From-The-University-Of-Illinois/release/349054. > If I recall, they used the U of I's ILLIAC IV in the recording. So

Re: Datamation, May 1972

2016-11-17 Thread Paul Koning
> On Nov 17, 2016, at 5:04 PM, Brent Hilpert wrote: > > On 2016-Nov-17, at 1:08 PM, Josh Dersch wrote: > >> I have an LP, "Electronic Music from the University of Illinois" (1967 or >> so): >> https://www.discogs.com/Various-Electronic-Music-From-The-University-Of-Illinois/release/349054. >> If

Re: Datamation, May 1972

2016-11-17 Thread Al Kossow
On 11/17/16 2:20 PM, Paul Koning wrote: > Maybe an earlier ILLIAC? correct. https://en.wikipedia.org/wiki/Illiac_Suite

Re: Datamation, May 1972

2016-11-17 Thread Chuck Guzis
I remember that CDC used to put on a show for Navy brass back in the 60s using, tape drives and printers for the rendition of "Anchors Aweigh". ISTR that it was a 1604 used for this, but may also have been a 3800. The memory dulls with time. I believe there was also a similar rendition of "The Sta

Re: Fwd: NCD16 images. Was: NCD19 / Xncd19

2016-11-17 Thread Al Kossow
Fred, could you make these files readable, please On 11/15/16 11:44 AM, Fred Jan Kraan wrote: > > Forgot the URL: http://fjkraan.home.xs4all.nl/comp/divcomp/NCD/ > > Forwarded Message > Subject: NCD16 images. Was: NCD19 / Xncd19 > Date: Tue, 15 Nov 2016 20:42:16 +0100 > From: F

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Eric Smith
I'm not looking forward to trying to reverse-engineer 48-bit and 56-bit ECC polynomials. However, they usually tried to choose polynomials with relatively few terms, to minimize the number of XOR gates needed in the hardware. The common "Glover" 32-bit polynomial was: x^32 + x^28 + x^26 + x^19

Re: Datamation, May 1972

2016-11-17 Thread Brent Hilpert
On 2016-Nov-17, at 2:26 PM, Al Kossow wrote: > On 11/17/16 2:20 PM, Paul Koning wrote: >> Maybe an earlier ILLIAC? > > correct. > > https://en.wikipedia.org/wiki/Illiac_Suite From that link, ILLIAC Suite / String Quartet No. 4 is a 1957 composition by the ILLIAC I, programmed by Lejaren A. Hi

Re: Datamation, May 1972

2016-11-17 Thread Al Kossow
http://www.worldcat.org/title/illiac-suite-for-string-quartet-1957/oclc/3866433 http://www.worldcat.org/search?q=su%3AComputer+music.&qt=hot_subject#x0%253Amusic-%2C%2528x0%253Amusic%2Bx4%253Adigital%2529%2C%2528x0%253Amusic%2Bx4%253Acd%2529%2C%2528x0%253Amusic%2Bx4%253Acassette%2529%2C%2528x0%253

Re: Datamation, May 1972

2016-11-17 Thread Al Kossow
and http://www.computerhistory.org/collections/catalog/102651543 On 11/17/16 2:51 PM, Al Kossow wrote: > http://www.worldcat.org/title/illiac-suite-for-string-quartet-1957/oclc/3866433 > > http://www.worldcat.org/search?q=su%3AComputer+music.&qt=hot_subject#x0%253Amusic-%2C%2528x0%253Amusic%2Bx4%

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread dwight
Do you have working hardware? A lot can be deduced by using simple data, like all 0's and different data lengths. Dwight From: cctalk on behalf of Eric Smith Sent: Thursday, November 17, 2016 2:33:36 PM To: General Discussion: On-Topic and Off-Topic Posts Su

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Eric Smith
On Thu, Nov 17, 2016 at 3:59 PM, dwight wrote: > Do you have working hardware? > No, only a drive that 48-bit ECC. I don't know whether it used a National Semiconductor based controller, but it doesn't use the Western Digital polynomial, so NS is my first guess. If it used the DP8466, it might

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Chuck Guzis
On 11/17/2016 02:59 PM, dwight wrote: > Do you have working hardware? > > A lot can be deduced by using simple data, like all 0's > > and different data lengths. Perhaps there's something useful here: http://reveng.sourceforge.net/ I've used the code for oddball floppy CRCs. --Chuck

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Eric Smith
On Thu, Nov 17, 2016 at 5:49 PM, Chuck Guzis wrote: > Perhaps there's something useful here: > http://reveng.sourceforge.net/ > I wrote something like that back in the mid-1990s, though not as polished. The problem is the exponential increase in search space. Polynomials beyond order 32 quickly

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Al Kossow
On 11/17/16 3:07 PM, Eric Smith wrote: > On Thu, Nov 17, 2016 at 3:59 PM, dwight wrote: > >> Do you have working hardware? >> > > No, only a drive that 48-bit ECC. MFM? For a while, I was collecting ISA controllers that weren't adaptec, wd, dtc, or omti for the uncommon controllers. I just

Double Buffer RK11-C

2016-11-17 Thread Noel Chiappa
> Subject: Does anyone actually have a KT11-B? > Date: Fri Sep 30 19:04:47 CDT 2016 > the ones shown in the images show it to be (mostly) an RK11-C. > ... > I say "mostly" because there appear to be extra cards on the right hand > end; whether those are some sort of upgra

Re: Double Buffer RK11-C

2016-11-17 Thread Ethan Dicks
On Thu, Nov 17, 2016 at 10:09 PM, Noel Chiappa wrote: > > Subject: Does anyone actually have a KT11-B? > > Date: Fri Sep 30 19:04:47 CDT 2016 > > > the ones shown in the images show it to be (mostly) an RK11-C. > > ... > > I say "mostly" because there appear to be extra cards o

Re: Double Buffer RK11-C

2016-11-17 Thread Noel Chiappa
> From: Ethan Dicks > I haven't even made an inventory of it. What would I look for to know? Check out the module utilization chart, either in the RK11-C Engineering Drawings, or here: http://gunkies.org/wiki/RK11_disk_controller (at the top of the section "RK11-C Board chart/count ta

Re: Doug Englebart - mouse!

2016-11-17 Thread Mark Linimon
On Thu, Nov 17, 2016 at 03:53:33PM -0500, Noel Chiappa wrote: > Noel (who was an early Wikipediast, until the Marching Morons arrived) I hear Venus is very nice this time of year. mcl

Re: National Semiconductor 48-bit and 56-bit ECC polynomials

2016-11-17 Thread Eric Smith
On Thu, Nov 17, 2016 at 7:54 PM, Al Kossow wrote: > MFM? Yes. > If nothing else, there are a few domestic > 8466 chip pulls on eBay for $13 that maybe you could decap or push a > bitstream into. > A DP8466 by itself won't help, because the ECC polynomial gets loaded into it by another proces

Re: Datamation, May 1972

2016-11-17 Thread Arno Kletzander
Paul Koning wrote: > Interesting. From around 1975 or so (...) A few years later (...) > Not long after, Lippold Haken created a keyboard that's continuous rather > than discrete (think of a keyboard like the fingerboard of a violin); a > successor of that is still sold today. This thing here