HECnet October 2012

hecnet@lists.dfupdate.se

27 participants
335 discussions

by b4＠gewt.net

On Oct 30, 2012, at 1:28 PM, Dave McGuire <mcguire at neurotica.com> wrote: On 10/30/2012 01:26 PM, Cory Smelosky wrote: I would kill for a VT180, I don't know why I like CP/M machines but that would just make such an awesome OPA0 for CHIMPY I'm kinda shocked to see that you wouldn't be able to run NetBSD /on/ a VT180 ;) Z80...no MMU, 16-bit address space Ah, right. I keep forgetting how old the Z80 actually is and the fact it doesn't offer too much in the way of anything beyond small embedded stuff now. Hmmm, I've been reminded of that project someone accomplished once: simh + a phone + a vt100. But instead someone could go: simh + raspberry pi + VT180 ;). Hide the pi within the cabinet, implement a little piece of software to go between simh and a real serial interface (or can simh interface directly now?) and run VMS "in" a VT180. Was CP/M in ROM on the VT180? Nope, booted from 5.25" floppy from an RX180 disk subsystem. You'll be able to see one when you come visit, though I can't find the floppy cable. Aww, shame you can't find the cable. :( -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years

RSTS/E + DECNET 4.1

by mcguire＠neurotica.com

On 10/30/2012 01:26 PM, Cory Smelosky wrote: I would kill for a VT180, I don't know why I like CP/M machines but that would just make such an awesome OPA0 for CHIMPY I'm kinda shocked to see that you wouldn't be able to run NetBSD /on/ a VT180 ;) Z80...no MMU, 16-bit address space... Was CP/M in ROM on the VT180? Nope, booted from 5.25" floppy from an RX180 disk subsystem. You'll be able to see one when you come visit, though I can't find the floppy cable. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years

RSTS/E + DECNET 4.1

by marc＠bluevine.net

On 10/30/12 1:32 AM, Marc Chametzky wrote: Very interesting... and quite different from the way I did it way back when. Whoops, I remembered last night that the technique of generating a PAKGEN license wouldn't work with the Macro-32 file I sent you. That was a different licensing hack. I think I had patched LMF.EXE to generate my own licenses once upon a time. But, that was ages ago. --Marc

12 years

RSTS/E + DECNET 4.1

by b4＠gewt.net

On Oct 30, 2012, at 5:47 AM, Sampsa Laine <sampsa at mac.com> wrote: On 30 Oct 2012, at 11:19, Johnny Billquist wrote: You can alternatively look for a VT103 as well, since that is pretty much the same thing as a PDT-11/130. If you do some wiring on the Qbus backplane, you can do 22-bit. Throw in an 11/93 CPU, SCSI and what else, and you'll have an awesome system in a VT100 body. Johnny I would kill for a VT180, I don't know why I like CP/M machines but that would just make such an awesome OPA0 for CHIMPY I'm kinda shocked to see that you wouldn't be able to run NetBSD /on/ a VT180 ;) Was CP/M in ROM on the VT180?

12 years

embedded libraries for PDP-11, was Re: [HECnet] DECUS RSX C compiler

by jg＠jordi.guillaumes.name

El 22/10/2012, a les 21:32, Dave McGuire <mcguire at neurotica.com> va escriure: The 2.11BSD lib looks leaner, and I am using it in my pet OS project (I pick the pieces I need "on the run", I have not done a complete port... yet). If the above suggestion doesn't get you anywhere, perhaps avrlibc could be hacked into a PDP-11 library. All of the hardware support will have to be ripped out of course, but there are nice tight implementations of generic library functions in there Doing an unrelated search, I've found this: http://pdclib.e43.eu I have to take a closer look, but it seems promising. Jordi Guillaumes i Pons jg at jordi.guillaumes.name HECnet: BITXOV::JGUILLAUMES

12 years

RSTS/E + DECNET 4.1

by sampsa＠mac.com

On 30 Oct 2012, at 11:19, Johnny Billquist wrote: You can alternatively look for a VT103 as well, since that is pretty much the same thing as a PDT-11/130. If you do some wiring on the Qbus backplane, you can do 22-bit. Throw in an 11/93 CPU, SCSI and what else, and you'll have an awesome system in a VT100 body. Johnny I would kill for a VT180, I don't know why I like CP/M machines but that would just make such an awesome OPA0 for CHIMPY...

12 years

RSTS/E + DECNET 4.1

by bqt＠softjar.se

On 2012-10-30 04:58, Dave McGuire wrote: On 10/29/2012 11:52 PM, Cory Smelosky wrote: Yeah, archiving this stuff would be a great idea. Dump them all in a format we'll all be able to read in a few years and store it on say, amazon glacier. Who would want anything less than advertised eleven nines for storing email? I dunno, I'd want something more than storing it on someone else's hardware. Especially when that someone else is a huge corporation, subject to corporate whims. Your data could go away at any time. Well, We are running a network of computers... It would seem to me it would make way more sense to have such an archive available on our computers... Johnny

12 years

RSTS/E + DECNET 4.1

by bqt＠softjar.se

On 2012-10-30 04:47, sampsa at mac.com wrote: On 30 Oct 2012, at 05:46, Cory Smelosky <b4 at gewt.net> wrote: On Oct 29, 2012, at 11:41 PM, sampsa at mac.com wrote: God I love this mailing list, I have no idea of half the stuff people are talking about, but it's all nifty. I expected this mailing list to be less helpful with regards to my noob questions, I was pleasantly surprised. I've learned quite a bit from this mailing list in a short while. ;) On that note, we really should be archiving this stuff. I think I've got most mails going back a few years in my inbox still (I don't believe in folders, that's why search was invented). I probably have everything, but it's mixed with personal messages to me related to HECnet as well, so it would take a little work to clean it up for access. Johnny

12 years

RSTS/E + DECNET 4.1

by bqt＠softjar.se

On 2012-10-30 04:30, Gregg Levine wrote: On Mon, Oct 29, 2012 at 11:07 PM, Cory Smelosky <b4 at gewt.net> wrote: On Oct 29, 2012, at 11:03 PM, Dave McGuire <mcguire at neurotica.com> wrote: On 10/29/2012 10:55 PM, Sampsa Laine wrote: I missed that part, that's an actual PDP-11? Can we get a photo or something? Here you go, taken just now: http://www.neurotica.com/misc/pdp1153-1.jpg http://www.neurotica.com/misc/pdp1153-2.jpg Not exactly quality portraits, but you get the idea. ;) I can take some better ones if you guys are interested in some quality DECporn. ;) I'd enjoy some quality DECporn. :p Unrelated: but if you ever want an interesting and absolutely useless task, you should try and set that up as a fuzzball. I found a bit of a "guide" but couldn't get it working in simh, could prove challenging to get the files to real disks though. -Dave -- Dave McGuire, AK4HZ New Kensington, PA Hello! Don't laugh folks. At one point I actually wanted an LSI-11 here to work with. Then I ran out of space.... Now I'm interested in this thing: Models without standard bus PDT-11/150 PDT-11/110 PDT-11/130 PDT-11/150 The PDT series were desktop systems marketed as "smart terminals". The /110 and /130 were housed in a VT100 terminal enclosure. The /150 was housed in a table-top unit which included two 8 inch floppy drives, three asynchronous serial ports, one printer port, one modem port and one synchronous serial port and required an external terminal. All three employed the same chipset as used on the LSI-11/03 and LSI-11/2 in four "microm"s. There was an option which combined two of the microms into one dual carrier, freeing one socket for an EIS/FIS chip. The /150 in combination with a VT105 terminal was also sold as MiniMINC, a budget version of the MINC-11. I abstracted the text from this Wikipedia page http://en.wikipedia.org/wiki/PDP-11 . I figured that of all of the machines we know that one is least well known. I'm not sure what I can do with any of them, but I certainly hope I could manage something appropriate to what we are discussing. Incidentally Dave I'm still waiting. Outside your place are a van of frustrated yetis and related individuals in a brown van who're waiting and watching. You can alternatively look for a VT103 as well, since that is pretty much the same thing as a PDT-11/130. If you do some wiring on the Qbus backplane, you can do 22-bit. Throw in an 11/93 CPU, SCSI and what else, and you'll have an awesome system in a VT100 body. Johnny

12 years

RSTS/E + DECNET 4.1

by bqt＠softjar.se

Oh, c'mon. There is plenty of real hardware on HECnet... Including some really big iron. :-) Johnny On 2012-10-30 04:24, Sampsa Laine wrote: Is this a node on HECnet BTW? Because if so, it really should be on the front page of the website... Sampsa On 30 Oct 2012, at 05:03, Dave McGuire wrote: On 10/29/2012 10:55 PM, Sampsa Laine wrote: I missed that part, that's an actual PDP-11? Can we get a photo or something? Here you go, taken just now: http://www.neurotica.com/misc/pdp1153-1.jpg http://www.neurotica.com/misc/pdp1153-2.jpg Not exactly quality portraits, but you get the idea. ;) I can take some better ones if you guys are interested in some quality DECporn. ;) -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years

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HECnet October 2012