Re: Architectural diversity - was Re: Pair of Twiggys

2017-03-17 Thread John Forecast via cctalk
> On Mar 17, 2017, at 9:05 AM, Paul Koning via cctalk > wrote: > > >> On Mar 16, 2017, at 9:28 PM, ben via cctalk wrote: >> >> But was FORTRAN that portable? >> Other than the IBM 1130 I cannot think of a small computer >> that had ample I/O and

Re: Anyone Know Anything About This TURBOchannel Card?

2017-07-18 Thread John Forecast via cctalk
Rob, That’s probably a J-Video board, a prototype built by DEC SRC for the J300 series of video and audio adapters. You can find more information in Digital Technical Journal, Volume 7, Number 4. Around that time, mid-1994, I was working on the software for a PC ISA board which would

Re: Space-Time Productions Z80 board

2017-10-15 Thread John Forecast via cctalk
> On Oct 14, 2017, at 9:51 PM, Amardeep S Chana via cctalk > wrote: > > Has anyone archived the contents of Joel Owens' Z80 project site that had > documentation and software images for the above mentioned Z80 Master > Controller Board? His website at joelowens.org has

Re: Bridge Communication Unibus Ethernet board?

2017-08-30 Thread John Forecast via cctalk
Al, Would you be interested in Bridge Communications: Ethernet System Product Line Software Technical Reference Manual Volumes 1, 2, 3 Dated July 1983 John. > On Aug 30, 2017, at 12:18 PM, Al Kossow via cctalk > wrote: > > Also, I'm

Re: DEC RSX-11D and its COBOL compiler?

2018-05-29 Thread John Forecast via cctalk
> On May 29, 2018, at 1:04 PM, Paul Koning wrote: > > > >> On May 29, 2018, at 10:30 AM, John Forecast via cctalk >> wrote: >> >> >>> On May 29, 2018, at 3:30 AM, Nigel Williams via cctalk >>> wrote: >>> >>> On Tu

Re: Modifying microcode

2018-06-03 Thread John Forecast via cctalk
> On Jun 2, 2018, at 2:08 PM, Robert Armstrong via cctalk > wrote: > >> Tony Duell wrote: >> Incidentally, did DEC ever release any details (flowcharts, source listings, >> etc) of the 11/730 microcode? And what about the control PROMs for the >> memory system. The technical manual implies

Re: DEC RSX-11D and its COBOL compiler?

2018-05-29 Thread John Forecast via cctalk
> On May 29, 2018, at 3:30 AM, Nigel Williams via cctalk > wrote: > > On Tue, May 29, 2018 at 1:27 AM, Al Kossow via cctalk > wrote: >> I have 11D on bitsavers. > > this is actually RSX-11D? http://bitsavers.org/bits/DEC/pdp11/magtapes/ias/ Yes. The two V3.4A tapes will allow you

Re: DEC RSX-11D and its COBOL compiler?

2018-05-30 Thread John Forecast via cctalk
> On May 29, 2018, at 1:04 PM, Paul Koning wrote: > > > >> On May 29, 2018, at 10:30 AM, John Forecast via cctalk >> wrote: >> >> >>> On May 29, 2018, at 3:30 AM, Nigel Williams via cctalk >>> wrote: >>> >>> On Tu

Re: POP-2 silver book

2019-03-19 Thread John Forecast via cctalk
Since the topic of POP-2 doesn’t come up very often… In the early 1970’s I had a listing of “Pop-2 in Pop-2”, a portable compiler written in itself. Over the years I’ve managed to lose it. Would anyone here have a copy? John. > On Mar 19, 2019, at 2:52 PM, W2HX via cctalk wrote: > >

Re: PDP-11 ID page, a few images needed

2019-01-24 Thread John Forecast via cctalk
> On Jan 24, 2019, at 9:55 AM, Paul Koning via cctalk > wrote: > > > >> On Jan 23, 2019, at 5:37 PM, Noel Chiappa via cctalk >> wrote: >> >> In response to a request a couple of years back from Cindy, I've been slowly >> working on a page to help scrappers identify PDP-11's, and give

Re: What do to with an Internet-connected PDP-11?

2019-04-30 Thread John Forecast via cctalk
> On Apr 30, 2019, at 9:25 AM, Paul Koning via cctalk > wrote: > > > >> On Apr 29, 2019, at 9:05 PM, Grant Taylor via cctalk >> wrote: >> >> On 4/29/19 6:47 PM, Zane Healy via cctalk wrote: >>> I want to say that the OSU webserver for VMS supports running over DECnet, >>> but my memory

Re: RT-11 doesn't recognize my 3.5" floppy

2019-05-06 Thread John Forecast via cctalk
The release notes on bitsavers indicate that the RX33 was not supported until RT-11 V5.04. John. > On May 6, 2019, at 6:20 PM, Charles via cctalk wrote: > > I have installed an RQDX3 and the M9058 distribution board in my 11/23+. > Since I don't have a 5.25" drive yet, I hooked up a 3.5"

Re: DecNet / Linux

2019-07-03 Thread John Forecast via cctalk
I have it running on a Raspberry Pi 3B+ with the latest Raspbian Buster release so that would be running kernel 4.19.50. Debian has not yet officially released Buster (this coming weekend I believe) so this is somewhat of a pre-release. Before anyone asks, there are still a couple of issues to

Re: DecNet / Linux

2019-07-03 Thread John Forecast via cctalk
> On Jul 3, 2019, at 2:31 PM, E. Groenenberg via cctalk > wrote: > > > > > On Wed, July 3, 2019 18:52, Grant Taylor via cctalk wrote: >> On 7/3/19 7:05 AM, E. Groenenberg via cctalk wrote: >>> Kernel 2.6.32 was the last one to activly support Decnet. >> >> What does "actively support"

Re: Ultrix 3.0 VAX

2019-04-24 Thread John Forecast via cctalk
Dennis, It sounds like you are looking for an Ultrix 3.0 standalone boot tape. While I found a number of people who claim to have a physical tape, with some claiming to have imaged the tape, I was unable to find an image on-line. That being said, it’s possible to use the Ultrix 2.0

Re: DecNet / Linux

2019-08-31 Thread John Forecast via cctalk
I finally got around to getting DECnet running on the latest release of Raspbian for the Raspberry Pi (the 2019-7-10 Buster release). I’ve also done some (very) limited testing on Debian Buster (both 32- and 64-bit x86 kernels). For anyone who is interested the code is available at:

Re: Algol W [was: Microsoft open sources GWBASIC]

2020-05-27 Thread John Forecast via cctalk
On May 27, 2020, at 4:59 PM, Paul Koning via cctalk wrote: > > > >> On May 27, 2020, at 4:25 PM, ben via cctalk wrote: >> >> On 5/27/2020 1:45 PM, Paul McJones via cctalk wrote: >> >>> Gogol is a simple, integer arithmetic language used under the PDP-1 time >>> sharing system at Stanford.

Re: PDP-11 tape question

2020-06-23 Thread John Forecast via cctalk
On Jun 23, 2020, at 9:57 PM, Chuck Guzis via cctalk wrote: > > I've been processing some PDP-11 9 track (800 NRZI) tapes and run across > something that I don't recognize. > > Every file on the tape consists of a number of 512 byte blocks (okay, > that's normal) but at the head of each file,

Re: TU58 dump tool on Linux?

2020-06-10 Thread John Forecast via cctalk
On Jun 10, 2020, at 3:06 PM, Mattis Lind via cctalk wrote: > > Is there anyone that has already built a tool to dump TU58-tapes on a Linux > machine? I have the drive of course. > > There is PUTR. But it is DOS only and is written in assembler so it cannot > be ported easily. The other option

Re: Got DSM-11 running, any manuals online?

2021-01-08 Thread John Forecast via cctalk
A slightly newer version (3.3) is available from bitsaver.org/bits/DEC/pdp11/dsm-11 John. > On Jan 8, 2021, at 1:16 PM, Sergio Pedraja via cctalk > wrote: > > Any copy of this software available to play with? > > Sergio > > El vie., 8 ene.

Re: DECNet for Pro 300 series boxes

2021-05-17 Thread John Forecast via cctalk
> On May 17, 2021, at 2:43 PM, Bob Smith via cctalk > wrote: > > My recollection of Decnet for Pro boxes is that the available SW was > for an end node and not a routing or other capability for the > 380/350/325 boxes. > While that memory might be incorrect, are there any DecNet packages >

Re: Multiprocessor Qbus PDP-11

2021-08-20 Thread John Forecast via cctalk
> On Aug 19, 2021, at 7:39 PM, Charles Dickman via cctalk > wrote: > > There are indications in the KDJ11-B processor spec on bitsavers that the > M8190 could be used in a multiprocessor configuration. For example, bit 10 > of the Maintenance Register (17 777 750) is labeled "Multiprocessor

Re: Ultrix-11

2021-08-20 Thread John Forecast via cctalk
> On Aug 19, 2021, at 4:45 PM, Paul Koning wrote: > > > >> On Aug 19, 2021, at 4:37 PM, John Forecast via cctalk >> wrote: >> >> >>> On Aug 19, 2021, at 9:37 AM, Bill Gunshannon via cctalk >>> wrote: >>> >>> On 8

Re: Ultrix-11

2021-08-19 Thread John Forecast via cctalk
> On Aug 19, 2021, at 9:37 AM, Bill Gunshannon via cctalk > wrote: > > On 8/19/21 12:23 AM, Warner Losh via cctalk wrote: >> On Wed, Aug 18, 2021 at 10:07 PM Bill Degnan wrote: >>> pretty cool >>> >> Thanks! Looking at the boot source I figured out that I just needed to >> build a

FTGH

2021-10-11 Thread John Forecast via cctalk
Due to family medical issues I have to downsize and move into a retirement facility at the end of this month. The following are available for local pick up only in the Boston MA metro west region. I can be reached off-list at j...@forecast.name. DEC VT180 with 4 floppy drives Includes

Re: VAX 780 on eBay

2022-01-03 Thread John Forecast via cctalk
> On Jan 2, 2022, at 9:14 PM, Grant Taylor via cctalk > wrote: > > On 1/2/22 6:59 PM, ben via cctalk wrote: >> But can the Pi handle a gazillion students all time sharing at once @ 2400? > > I think that will depend on how you connect the serial terminals. > > I know that it's possible to

Re: KMC11/DMC11 folllow up

2022-02-01 Thread John Forecast via cctalk
On Feb 1, 2022, at 8:20 AM, Bob Smith via cctalk wrote: > > KMC11 - Paul K cited the docs. It was a bit different from DMC CPU board > in both cycle time and in the use of ram versus prom. > Both boards/products used the 4bit Alu but I don't call that bit > slice, as the 2901 is more of a bit

Re: What was a Terminal Concentration Device in DEC's products?

2022-01-30 Thread John Forecast via cctalk
> On Jan 30, 2022, at 2:43 PM, Chris Zach via cctalk > wrote: > > Hm. Looking i see the dj11 had a silo but not dma. > > The only thing I can see that did Async DMA was the COMM-IO-P board. That was > a product in 1980 timeframe, based on the KMC11 processor. With six DZ11's > you have 48