Re: DL10 documentation

> From: Phil Budne > FWIW, Found these bits > ... > Those bits and others can be found Excellent archaeology! With these, and the ITS sources (for which we have both the -10 and -11 sides), the register definitions in the early PDP-10 CPU manual, and the prints, it should be

Re: DL10 documentation

Phil Budne wrote: > DL.11I= B15 ; BIT 15 - 11 INT(INTERRUPTS IF 11-INT-ENB SET) > DL.11C= B14 ; BIT 14 - CLEAR 11 INT > DL.10I= B13 ; BIT 13 - 10 INT > DL.10C= B12 ; BIT 12 - CLEAR 10 INT > DL.NXM= B11 ; BIT

Re: DL10 documentation

FWIW, Found these bits in the TOPS-10 7.04 sources: http://pdp-10.trailing-edge.com/tops10_704_monitoranf_bb-x140c-sb/01/10,7/anf10/chk11.p11.html Search for ";DETERMINE THE DL10 BASE ADDRESS" Which tries setting the following bit pattern: DL.CNX!DL.CPE!DL.CWC!DL.11C Those bits and others can

Re: DL10 documentation

Noel Chiappa wrote: > Well The "decsystem10 System Reference Manual (DEC-10-XSRMA-A-D) - > available online: > > > http://bitsavers.org/www.computer.museum.uq.edu.au/pdf/DEC-10-XSRMA-A-D%20DECsystem10%20System%20Reference%20Manual.pdf > > has a definition for the -10 side of the interface

Re: DL10 documentation

> I had a major WTF moment at that. The actress had a prior or parallel > career as an engineer? Is Rhea Jo Perlman (1948-)the same person as Radia Joy Perlman (1951-)? They don't look much alike, . . .

Re: DL10 documentation

> On Jan 11, 2018, at 9:47 AM, Noel Chiappa via cctalk > wrote: > ... > Like I said, we did 'borrow' some idea from IS-IS, in particular the sequence > number thing - but that may have come direct from Radia's paper: > > Radia Perlman, "Fault-Tolerant Broadcast of

Re: DL10 documentation

On 11 January 2018 at 19:03, Noel Chiappa via cctalk wrote: > > From: Liam Proven > > > I had a major WTF moment at that. The actress had a prior or parallel > > career as an engineer? > > Why not? Hedy Lamarr: > > https://en.wikipedia.org/wiki/Hedy_Lamarr > >

Re: DL10 documentation

> From: Liam Proven > I had a major WTF moment at that. The actress had a prior or parallel > career as an engineer? Why not? Hedy Lamarr: https://en.wikipedia.org/wiki/Hedy_Lamarr invented spread spectrum communications! :-) > From: Dave Mitton > I could ask John

Re: DL10 documentation

On 10 January 2018 at 01:56, Phil Budne via cctalk wrote: > > DECnet Phase V encompassed ISO, and might have included IS-IS, > which Rhea Perlman had a hand in (while at DEC?). I had a major WTF moment at that. The actress had a prior or parallel career as an engineer?

Re: DL10 documentation

> I'm to[o] busy right now to dig back through my ancient records (paper > and email) to find details So while I didn't have time to do either of these (my Proteon email, if I still even have it, will be on a magtape I'd have to get Chuck to read; and the paper records are mixed in with a

Re: DL10 documentation

> From: j...@mercury.lcs.mit.edu (Noel Chiappa) >> From: Paul Koning >> That may be the story, but I don't believe it. >> Was anyone from whom you have heard differently _at Proteon_? If not... I could ask John Shriver ;^) Dave. Sent from Mail for Windows 10 --- This email has been

RE: DL10 documentation

From: Noel Chiappa Sent: Wednesday, January 10, 2018 5:07 AM > From: Phil Budne >> I remember finding documentation on MC for "KLDCP" the original DEC >> front-end software (suitably defaced) which DEC later replaced with a >> modified version of RSX-11 > MC, on the other hand, ran KLDCP ('KL

Re: DL10 documentation

> From: Paul Koning > That may be the story, but I don't believe it. Well, I was right there - I was the chief architect of the Proteon router product, for which John Moy worked, and was the person who pushed John into doing OSPF (he didn't think he knew enough). I'm to busy right now

Re: DL10 documentation

> On Jan 9, 2018, at 7:56 PM, Phil Budne via cctalk > wrote: >... >DC44TYPESET-10 front end (PDP-11) for PTR (PA611R), PTP (PA611P), CAT? > photocomposition machine (LPC11) That takes me back a while... 6 channel paper tape equipment, for communicating

Re: DL10 documentation

> On Jan 10, 2018, at 10:52 AM, Noel Chiappa via cctalk > wrote: > >> From: Paul Koning > >> That was then adopted by OSI as IS-IS, and further tweaked to become >> OSPF. > > Err, no. OSPF was not a descendant of IS-IS - it was a separate development, > based mainly

Re: DL10 documentation

> From: Paul Koning > That was then adopted by OSI as IS-IS, and further tweaked to become > OSPF. Err, no. OSPF was not a descendant of IS-IS - it was a separate development, based mainly on the ARPANET's original link state routing. (I can't recall if John Moy and I took a lot from

Re: DL10 documentation

> On Jan 9, 2018, at 7:56 PM, Phil Budne via cctalk > wrote: > > ... > (*) "A Network For 10s?" possibly based on a VERY early spec for > DECnet. It may have used link-state routing. I don't think routing > in DECnet appeared before Phase III; Between Phase II systems

Re: DL10 documentation

> From: Phil Budne > ISTR the DTE was a DMA interface, not memory mapping like the DL10 I don't know either; I could probably work it out from looking at the DTE documentation, which I'm too lazy/busy to do... :-) > I also seem to recall that MC was designated as a "1080" which the

Re: DL10 documentation

> Ah, right you are: I just assumed from the name (without checking!) that it > was some kind of variant on the DN87 - which I guess it is, just a more major > one than I thought! :-) The later-day TOPS-10 front-end ecosystem which included the DN87 was called "ANF-10" (*) and included both local

Re: DL10 documentation

> From: Phil Budne > simulating the DL10 so you can run TVs would REALLY be bringing back a > lost artifact!! The Knight TV's were connected through the Rubin 10-11 interface, not a DL10. > I'm pretty sure DN87S was a DN87 front end attached to a (KL) DTE > (Ten/Eleven)

Re: DL10 documentation

Phil Budne wrote: > ITS speaks TCP (over an IMP interface, which is simulated in KLH10), > so it hardly seems worth jumping thru hoops to get hardwired dumb > terminals. Right, SUPDUP is really the best way to talk to ITS. But I'm can't set Richard's priorities. Maybe I can pitch in myself.

Re: DL10 documentation

I wrote: > Now, simulating the DL10 so you can run TVs would REALLY be bringing > back a lost artifact!! https://github.com/PDP-10/its/issues/279 says: larsbrinkhoff commented on Mar 31, 2017 I think the number of PDP-11s connected were limited by the address space of the Rubin IO-11

Re: DL10 documentation

Lars Brinkhoff wrote: > Richard has DE10 working already, but that's not supported by ITS. > Adding that support is not out of the question, but we want to give the > DL10/DC76 a go. ITS speaks TCP (over an IMP interface, which is simulated in KLH10), so it hardly seems worth jumping thru hoops

Re: DL10 documentation

> From: Lars Brinkhoff > Specifically, the DC76 supported by ITS. >> The DL10 was used in two DEC system products, the DC76 Asynchronous >> Communication System, and the DN87 and DN87S Universal Communication >> System Front Ends. I couldn't find any documentation on the

Re: DL10 documentation

I wrote: >> Richard Cornwell wants to implement DL10 for his KA10/KI10 simulator, >> but he doesn't have any documentation for it. Any leads? Johnny Eriksson wrote: > First question is: since the DL10 is a DMA device for a handful of > PDP11s, what is intended at the other (unibus) end of it? >

Re: DL10 documentation

> From: Lars Brinkhoff > Richard Cornwell wants to implement DL10 for his KA10/KI10 simulator, > but he doesn't have any documentation for it. Any leads? Well The "decsystem10 System Reference Manual (DEC-10-XSRMA-A-D) - available online:

Re: DL10 documentation

Lars Brinkhoff wrote: > Hello, > > Richard Cornwell wants to implement DL10 for his KA10/KI10 simulator, > but he doesn't have any documentation for it. Any leads? First question is: since the DL10 is a DMA device for a handful of PDP11s, what is intended at the other