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101090 discussions

Self modifying code, lambda calculus - Re: ENIAC programming

by bfranchuk＠jetnet.ab.ca

On 9/17/2015 6:50 PM, Jecel Assumpcao Jr. wrote: > > This conclusion should have been obvious to anyone thinking about > general purpose computers implemented with microcode in ROM. Are there any computers that do let you put microcode into RAM now-days. You have a lot of byte code virtual machines out there. > -- Jecel > Ben.

10 years, 7 months

Honeywell/Bull DPS-6 deskside info?

by COURYHOUSE＠aol.com

dps 8 was a phx ax big H project as I remember but new enough that I would have stored manuals rather than had them in active reference section. will keep eyes out! -Ed# In a message dated 9/24/2015 1:43:14 P.M. US Mountain Standard Time, scaron at umich.edu writes: I think this anecdote is also referenced in the AFDC installation site story on multicians.org? Sounds familiar... Best, Sean On Wed, Sep 23, 2015 at 10:42 PM, steve shumaker <shumaker at att.net> wrote: > On 9/23/2015 2:44 PM, Josh Dersch wrote: > >> Along with the 11/44 I also picked up a Honeywell/Bull DPS-6 deskside >> workstation; I can't seem to dig up much information specific to this >> model >> (a badge on the rear labels it as "Model/Index No. B01732"). I can take >> some detailed pictures later this week after I've had time to clean it up >> (it's very, very dirty), but it looks very similar to the DPS-6 unit >> pictured on this site: >> http://www.feb-patrimoine.com/projet/gcos6/gcos6.htm >> >> Anyone have any docs on this thing? Or fun anecdotes to share? What have >> I gotten myself into with this thing? >> >> Thanks, >> Josh >> >> >> > browse here and elsewhere for WWMMCCS history and beginnings of > GCOS/DPS-6/Honeywell 6000 > > https://en.wikipedia.org/wiki/Worldwide_Military_Command_and_Control_System > > > One legend that gets trotted out whenever you speak of WWMMCCS is the > cookie monster that was on terminals in the Pentagon installation of > WWMMCCS. As the legend goes, at random intervals, the console would go > blank, operators would loose control and a message would display something > to the effect "cookie monster hungry - feed me". Supposedly once you > typed in one of several cookie names, the routine would release the system > back to the operator. I personally know a retired AF IT manager who > worked WWMMCCS and swears its a true story... > > Suspect you will find very little material other than what Al has - it > wasn't a particularly common installed setup. > > Steve > >

10 years, 7 months

Honeywell/Bull DPS-6 deskside info?

by COURYHOUSE＠aol.com

pretty funny! maybe I should be fortunate enough to have his salary also!? #ed In a message dated 9/24/2015 9:08:48 A.M. US Mountain Standard Time, cisin at xenosoft.com writes: On Thu, 24 Sep 2015, COURYHOUSE at aol.com wrote: > is it a dps 6 or 8? I am actually sincerely sorry that you are having another migraine that causes you to press the spacebar. But, I do have to point out that it makes you sound like William Shatner.

10 years, 7 months

Honeywell/Bull DPS-6 deskside info?

by COURYHOUSE＠aol.com

is it a dps 6 or 8? In a message dated 9/24/2015 12:10:41 A.M. US Mountain Standard Time, derschjo at gmail.com writes: On 9/23/15 2:56 PM, Sean Caron wrote: > Ah, so these are the vintagetech.com machines! Please take lots of pics of > the DPS-8 inside and out; I've never really seen the innards of a Honeywell > machine before and I'm kind of curious what their "style" looks like. > > Best, > > Sean Will do. I took the boards out to inspect them tonight (they had rattled about a bit during shipment) and everything seems ok. I'll have time to take some pictures this weekend. Unfortunately, somewhere along the line someone disconnected nearly all the ribbon cables running to the boards and I've got no idea what goes where (only a couple are cohesively labeled.) This thing is going to be a project. - Josh

10 years, 7 months

C out of its comfort zone - Re: Structured Fortran - was Re: Self modifying code

by jnc＠mercury.lcs.mit.edu

> From: Toby Thain > It did exist for some exotic, word addressed architectures {Innocent look} You mean, like the PDP-10? {Ducks!} Noel

10 years, 7 months

Somewhat OT: Freighting Items

by cctalk＠fahimi.net

I know this is a topic that comes up quite often and I have archived a number of threads. However, I am still not finding what I need. The back story is that I need to have a desk shipped across the country to me. The desk measures 28" long, 27" wide, 35" tall and is ~125 pounds unpacked. While it is possible to disassemble the desk I rather not. I've gotten quotes form a number of outfits as follows: 1. UPS: $1200 to pack/crate the desk and ship it. 2. Craters and Freighters: $895 to wrap in PE Foam, Styrofoam, bubble wrap, and box shipped door to door (i.e. not real freight). 3. Freightquote: $475 if I palletize it/pack it myself (have to clarify if this is door to door or do I have to drop off and pickup). Anybody else have other suggestions/recommendations? From what I understand this desk is not that heavy (in the freighting scheme of things) and would easily fit on one pallet and maybe even a half pallet. But I've never shipped something via freight so maybe these are all accurate prices. Any help/guidance is very much appreciated. Thanks. -Ali

10 years, 7 months

ISO: FP11-F (M7093) for PDP-11/44

by derschjo＠gmail.com

The 11/44 I acquired recently has a complete CPU set but no FP11-F board (M7093). I'd like to be able to run 2.11BSD (or other UNIX) on this machine, so having floating point hardware is pretty essential -- anyone have one going spare for sale/trade? Thanks as always, Josh

10 years, 7 months

Honeywell/Bull DPS-6 deskside info?

by COURYHOUSE＠aol.com

there was a nightmare! In a message dated 9/23/2015 6:20:18 P.M. US Mountain Standard Time, healyzh at aracnet.com writes: Sam Ismail used to have a DPS-6, if not more than one

10 years, 7 months

Backups [was Re: Is tape dead?]

by jnc＠mercury.lcs.mit.edu

> From: tony duell > In some cases it should be possible to write a machine code program > that executes on 2 processors with wildly different instruciton sets. I have this bit set that I was told (or something, the memory is _very_ vague) that early versions of the KL-10 had this hack; the root block on the disk was the boot block both the PDP-10 and the PDP-11 front end machine, and the first instruction or two was very cleverly construced and sent the two machines different ways. Alas, I looked in the front-end PDP-11 code (in the KLDCP; directory) and saw no signs of this, so maybe it was an urban legend? Noel

10 years, 7 months

Backups [was Re: Is tape dead?]

by elson＠pico-systems.com

On 09/19/2015 10:58 PM, John Foust wrote: > The other recent development that makes me want to quit? > Someone's demonstrated you can hide in the firmware of > hard drives. > https://blog.kaspersky.com/equation-hdd-malware/7623/ - John Well, one would assume this is also OS specific. I would guess it would be incredibly hard to make a "disk" virus that would work on greatly differing OS's like Linux AND Windows. No telling what would happen if one of these disk viruses got onto a hard drive on a Windows system and then the drive was reformatted and loaded with Linux. Most likely you'd have odd crashes or something. Jon

10 years, 7 months

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