Re: [Simh] Simh Digest, Vol 158, Issue 14

On Thu, Mar 9, 2017 at 2:16 PM, William Pechter wrote: > I did Field Service through 8650s and never saw them. DMF32s - IIRC had > modem control capability on some lines or is my memory shot. ​DMF32 and DZ had >>partial<< modem control. It was crock in both cases and did

Re: [Simh] Issues with VH simulation and 4.3BSD-Quasijarus

On Thu, Mar 9, 2017 at 2:18 PM, Cory Smelosky wrote: > device dhu0at uba? csr 0160440 vector dhurint >> >> It's been years since, I did this stuff... >> >> 1. 0160400 is 0xE120 and 0160400 certainly looks right for the >> Unibus address for a DH.

Re: [Simh] Issues with VH simulation and 4.3BSD-Quasijarus

please create an issue at > https://github.com/simh/simh/issues and I’ll dig into the details. > > > > - Mark > > > > *From:* Simh [mailto:simh-boun...@trailing-edge.com] *On Behalf Of *Clem > Cole > *Sent:* Thursday, March 9, 2017 10:09 AM > *To:* Cory Smelos

Re: [Simh] Issues with VH simulation and 4.3BSD-Quasijarus

On Thu, Mar 9, 2017 at 1:33 PM, Mark Pizzolato wrote: > You mean DHV, not DVH ​yes​ ___ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh

Re: [Simh] Now some DZ/terminal questions

Warren, We can take this offline. The quick answer is as far as simh is concerned leave everything as 8 bits. I'll show you how to make the rest work properly. The logins will run 8 bits also, but will run with parity enabled which BSD will handle just peachy. Also, as I mentioned

Re: [Simh] porting RL01 images to RL02

Going back to the original question (BTW ... everything Paul and Johnny pointed out are excellent); but I think you need to step back and think a little conceptually about what you are trying to do. Ignore simh for a minute and think this through as a thought experiment if you had two PDP-11 --

Re: [Simh] SIMH in the news today

On Tue, Jan 31, 2017 at 2:24 PM, Johnny Billquist wrote: > I didn't know that ITS was ever lost or gone... I know of people who have > kept running it... ​Very true - but the folks at the register might not and this makes a better story for them ;-)​ The said part, is why

Re: [Simh] TSS-8 and ETOS free-redistribution licenses (PDP-8 operating systems)

On Mon, Jan 16, 2017 at 3:07 PM, Al Kossow wrote: > At Carnegie-Mellon (CMU), a TSS/8 > operated until 1974 when the special swapping disk expired. > ​indeed. The system ended up in the Boston Computing Museum and the disk (removed from its housing) used to hang ​in Danny

Re: [Simh] RT-11 source

Ray, I think a much better place to start is John Lion's “A commentary on the Sixth Edition UNIX Operating System ” - available for download at: Grog's Lions web page

Re: [Simh] Looking for a milestone

On Mon, Oct 17, 2016 at 12:35 PM, Paul Koning wrote: > That doesn't excuse sloppy work. ​Agreed - and you will rarely see me defend Seymour. His systems were fast, but they were not programmer friendly in any way IMO. Heck the man never had an assembler - he did not

Re: [Simh] Older Model VAX simulators, what can you do with them and how do they work?

Probably Sent from my PDP-7 Running UNIX V0 expect things to be almost but not quite. > On Oct 10, 2016, at 5:45 PM, Al Kossow <a...@bitsavers.org> wrote: > > > >> On 10/10/16 10:12 AM, Clem Cole wrote: >> >> >> Actually before I would jo

Re: [Simh] HP/UX

d but I felt the need to reply ... > >> On 11 Oct 2016, at 1:12 am, Clem Cole <cl...@ccc.com> wrote: >> ... >> Also be careful about HP being "generous" with the old DEC technology, such >> as OpenVMS.That was started before HP became the owners. Fortu

Re: [Simh] Older Model VAX simulators, what can you do with them and how do they work?

On Mon, Oct 10, 2016 at 12:08 PM, Ray Jewhurst wrote: > I just wanted to clarify that I am interested in all of the BSDs. I just > started with 3BSD because I am already somewhat familiar with 29BSD and > 211BSD. So I thought it would be a good transition. > Ah I think

Re: [Simh] Older Model VAX simulators, what can you do with them and how do they work?

Ultrix would be different than BSD. Ultrix was done by DEC in Merrimack (Original in TIG - Telephone Industry Group). Originally all UNIX "support" was a special for a customer - AT When DEC finally decided to compete in the UNIX biz, Ultrix became a first class OS and a product. The key is

Re: [Simh] HP/UX

Be careful - you have define "which flavor." HP/UX ran on original 9000 (which was the "focus" chip set for a 3000). Then the 68000K machines and >>some<< of the shared DNx systems that were rebranded. I don't think it ever got moved the custom processor Apollo developed and completed after

Re: [Simh] Older Model VAX simulators, what can you do with them and how do they work?

The key point for a simh person - while Mark and Bob allow you to ​put together ​ configurations in simh that may or may not have never been realized and often they will "just work" --- you really need to match not just the HW by the timeframe of the release of that HW with the timeframe of the

Re: [Simh] Interdata OS/32 question

On Thursday, September 1, 2016, Davis Johnson wrote: > > It'll work with just about any normal dumb terminal. Pick one that doesn't > display rubout characters and transmits backspace for the backspace key and > you'll be good. > I wish I could remember the name it but there

Re: [Simh] Ultrix 4.0 and DEQNA-LOCK

On Wed, Aug 31, 2016 at 10:52 AM, Cory Smelosky wrote: > > Huh. That really do sound like a bug. Since it don't happen on real > hardware I would guess a simh issue. What kind of VAX are you emulating, by > the way? The 3900? > > > Yup - 3900. It didn't occur to me until now it

Re: [Simh] Ultrix 4.0 and DEQNA-LOCK

On Tue, Aug 30, 2016 at 11:13 AM, Cory Smelosky wrote: > Is a tape required for DECnet on 4.5 or is the Ultrix/VAX cd I have > likely to have it in a subfolder? That's the reason I was running 4.0. > Hm - ​I don't remember and have long ago lost/gave away any distribution

Re: [Simh] PDP-8 KL8E XON/XOFF

On Mon, Jun 6, 2016 at 12:13 PM, Mark Pizzolato wrote: > The fundamental issue Bill is seeing is a problem in the simh code and not > the hardware or the host OS. There may be a hardware issue, but I doubt it > and if there is, the simh issue will have to be addressed first.

Re: [Simh] Compiler differences

Is there a reasonable benchmark - moral equivalent of running the 741 op-amp thru spice - Say a VAX under BSDx or VMS running some defined load? Also have you ever tried the DEC^h^h^hIntel C compiler on an x86 or INTEL*64 target (Linux, Winders, or OS X). Clem On Friday, May 27, 2016, Mark

Re: [Simh] Question about card readers.

On Thu, May 26, 2016 at 4:56 PM, Mark Pizzolato wrote: > I agree. If this whole discussion is about if a simulated card reader > device > interface should try to magically correct for garbage input (i.e. lines > longer > than card images), then I suggest that the best

Re: [Simh] HP Terminal emulators, MSKermit with DosBox, CKermit 9 to the HP3000

On Tue, Apr 12, 2016 at 11:14 PM, Tom Morris <tfmor...@gmail.com> wrote: > On Wed, Apr 13, 2016 at 12:28 AM, Clem Cole <cl...@ccc.com> wrote: > >> >> ​Hang on -- BREAK is not in the old USASCII ​7 bit map. As explained in >> RFC 854, it was a >>key<&

Re: [Simh] HP Terminal emulators, MSKermit with DosBox, CKermit 9 to the HP3000

On Tue, Apr 12, 2016 at 5:41 PM, Rodney Brown wrote: > None of the terminal emulators could send a BREAK under DosBox. I think > that a BREAK needs to be synthesized, so DosBox > recognizing the UART behavior and converting it into a Telnet Break > command (RFC 854 (IAC,

Re: [Simh] Offtopic: MMU architecture and DLLs

Schimell's UNIX on Modern Architectures Hennessy and Patterson architecture tomes are also excellent. On Thursday, March 24, 2016, Sergii Kolisnyk wrote: > Hi all, > > could you suggest some papers comparing > different memory management architectures > and simple position

Re: [Simh] [SimH] Networking support

some kind of networking. Perhaps not back then. I was only aware of pdp11 > and vax being "network possible". I guess I was wrong. > > Bill > > > - Original Message - > *From:* Clem Cole <cl...@ccc.com> > *To:* Anders Magnusson <ra...@ludd.ltu.se

Re: [Simh] [SimH] Networking support

On Sat, Mar 12, 2016 at 12:25 PM, Anders Magnusson wrote: > DG-UX or MV/UX? > ​Which was the rewrite of System V ?? i.e. System V cmd system, but internally developed System V SMP kernel -- I want to say DG-UX maybe; but I'd been a long time and many beers ago - I've forgotten

Re: [Simh] [SimH] Networking support

FYI: CDC and Cray's often used HyperChannel adapters; but I suspect have long lost the info on it (very funky SW interface). Plus I doubt I still have the code we developed for it (the HyperChannel was the other side of the Tektronix TCP/IP for VMS implementation we did in the late 1970's). My

Re: [Simh] Disk info request

On Thu, Mar 10, 2016 at 1:31 PM, wrote: > The utility of such a list is great. Various folks have tried to develop > such lists over the years, with varying success and degrees of fidelity > and accuracy. > ​Good point, but you might be able to start with something that has

Re: [Simh] Disk info request

On Wed, Mar 9, 2016 at 11:16 AM, Johnny Billquist wrote: > I suspect MSCP came before SCSI. I agree. In DEC's case, support for MSCP certainly was first, but I believe the protocols are contemporaries. NCR was a very early SCSI player, but Western Digital, Shugart or someone

Re: [Simh] Disk info request

On Wed, Mar 9, 2016 at 10:46 AM, Mark Pizzolato wrote: > I explicitly recall on Ultrix contriving entries in > /etc/disktab to describe arbitrarily sized disks connected to 3rd party > MSCP controllers. The info in /etc/disktab is used by the file system > creation code to

Re: [Simh] KS10 IMP documentation

All -- First, while watching the Bo'Sox game last night, I did a quick look @ the document, took off the binding and started to scan it. I am about 1/2-3/4 way through the scanning process. I know there were a few errors with miss-feeds in my HP scanner, so I'm going to look at each page before

Re: [Simh] KS10 IMP documentation

On Mon, Feb 29, 2016 at 3:48 PM, Clem Cole <cl...@ccc.com> wrote: > Bit Savers has the BBN 1822 document from 1976 (the original I think was > '72 - I had a xerox of that one). I think I saw it about a week ago at > home, so I'm nearly 100% sure I have very clean copy of the act

Re: [Simh] Zork for ITS [was: Klh10 vs Simh]

On Mon, Feb 29, 2016 at 4:49 PM, Bob Supnik wrote: > MDL sources for Dungeon are online here: > http://simh.trailing-edge.com/games/zork-mdl.zip > > /Bob > ​Thanks Bob. While its different then trying to get MDL run again, if you want to be a retro gamer - I believe the

Re: [Simh] KS10 IMP documentation

Tim I'm going to guess that the AN22 implements the PDP-10 side of the BBN 1822 IMP interface. Is that a correct belief? Bit Savers has the BBN 1822 document from 1976 (the original I think was '72 - I had a xerox of that one). I think I saw it about a week ago at home, so I'm nearly 100% sure I

Re: [Simh] pdp11 and unix

Amen. Or as Peter Moore once said "sometimes it takes an inspired fool to use the wrong tool for the job to prove you can." His example was the guy that solved Tower of Hanoi in a sed script. (Google it - amazing but somebody had too much time on there hands.) Clem Sent from my iPhone >

Re: [Simh] pdp11 and unix

On Fri, Feb 26, 2016 at 8:06 PM, Nigel Williams < n...@retrocomputingtasmania.com> wrote: > For William's benefit, in those times computers were (chronically) few > in number. > ​And very valuable - cost big bucks (millions). Computer time was often "billed" out to people.​ > Anyone from

Re: [Simh] pdp11 and unix

If you were used to building your own tools, you might not. Also if you are bootstrapping from something else (like a large timesharing system from another manufacturer). You might put your tools on the other system, until the new system could "self host." We do the same things today. Clem

Re: [Simh] pdp11 and unix

On Fri, Feb 26, 2016 at 6:28 PM, Nigel Williams < n...@retrocomputingtasmania.com> wrote: > Perhaps not unusual for the 1960s but laborious none-the-less. ​Depends who you are. For grins look for the original Cray-1 "assembler" box. You'll discover there are no mnemonics like "add",

Re: [Simh] pdp11 and unix

On Thu, Feb 25, 2016 at 10:26 PM, Gregg Levine wrote: > I've seen Assembler output from a PDP-11 someplace. It's always > reminded me of a frustrated 6502 microprocessor or a 6800 series one. > But only just. > Interesting- the 68000 should remind you of the PDP-11.

Re: [Simh] pdp11 and unix

On Thu, Feb 25, 2016 at 7:50 PM, Bill Cunningham wrote: > When Ken Thompson coded UNIX it was in assembly. ​Correct...​ > The first versions anyway before B/NB/C ​I do not think that is 100% correct. B and early UNIX sort of come about at the same time. B (and

Re: [Simh] VAX/VMS

This discussion has very much diverged from the original topics of VAX/VMS and ISA compatibility. If folks want to discuss the actions or inactions, who did what *etc*… let’s take that off list. I will try to come back to what I started with: Some people on this list (including me), believe

Re: [Simh] RT-11 Storage Strategy

On Wed, Feb 17, 2016 at 3:02 PM, Paul Koning wrote: > It's the only DEC OS I know of for which that is true. ​I believe TSS/8 could also (very slowly).​ ___ Simh mailing list Simh@trailing-edge.com

Re: [Simh] RT-11 Storage Strategy

s had moved to 5 1/4"]. On Wed, Feb 17, 2016 at 10:36 AM, Alan Frisbie <fris...@flying-disk.com> wrote: > On 02/17/2016 05:43 AM, Clem Cole wrote: > > That said, if you used RK05's you certainly would be building a >> > > simulated Unibus system t

Re: [Simh] VAX/VMS

For whatever it is worth, this was a discussion about compatibility. My point was and is, Intel owns the trademark; and defines / continues to extend the INTEL*64 and IA-32 ISA's. The current definition can be found at:

Re: [Simh] RT-11 Storage Strategy

On Tue, Feb 16, 2016 at 11:33 PM, Will Senn wrote: > * Is there a preferred disk controller/device? > ​Hmm hard to say what prefered would mean. I can tell you what history was by what people tended to buy. For the original Unibus PDP-11 implementations, most that had

Re: [Simh] What is CDC OS?

On Tue, Feb 16, 2016 at 1:49 PM, Clem Cole <cl...@ccc.com> wrote: > However, the book has some programs that claim to take advantage of the > CDC OS and utilize a card reader. ​Yup, IMO, part of why Pascal I/O was dorked was because he used the read/write semantics of the CDC system

Re: [Simh] What is CDC OS?

below On Tue, Feb 16, 2016 at 1:47 PM, Will Senn wrote: > Hi, > > I'm reading a book (among many such books) that is entitled, "A Primer on > PASCAL," by Richard Conway, David Gries, and E. C. Zimmerman, written in > 1976 with a Foreward by Niklaus Wirth. The book has a lot

Re: [Simh] VAX/VMS

On Tue, Feb 16, 2016 at 10:54 AM, wrote: > Every new IBM machine and OS was designed to preserve the investment in all > ​ ​ > the software and development skills the customer already had. In terms of > ​ ​ > architectural and implementation purity with compatability as a

Re: [Simh] VAX/VMS

On Tue, Feb 16, 2016 at 9:56 AM, Timothe Litt wrote: > Nonetheless, Brooks (@IBM) definitely gets credit for the first > ​ ​ > commercial line of architecturally (forward) compatible machines. Prior > ​ ​ > to that inspiration, every new machine was unique and most software >

Re: [Simh] VAX/VMS

Dave be careful -- S/360 Model 67 has VM in the late 1960's - TSS and it's brother MTS, both rely on it. The 67 is a Model 65 with a Data Address Translation unit (DAT box) - is supplied by a 8 x 32 bit TLB which is in a cabinet that t'ed off the main CPU and is about the same size en entire

Re: [Simh] Tell me about console terminals and related things

As other have said - this was a serial port that was traditionally attached to a DECwriter II so you had a paper trail. If you look at the comments in the kernel printf routine in UNIX will make note of saying this should not be used for "chit-chat" because the kernel printf took over that

Re: [Simh] VAX/VMS

below... On Mon, Feb 15, 2016 at 12:14 PM, Will Senn wrote: > What is a good source to learn a bit about VAX/VMS and the relationship of > the VAX and PDP-11 architectures and programming differences? ​Hmm probably this list​ > I looked at the Wikipedia

Re: [Simh] OSs with accessible documentation

There was another system that came out at the same time as Solo and the UCSD system: Tunis from Ric Holt then at Toronto. It's written in concurrent Euclid which was one of many Pascal influenced languages of the time. It originally ran on the 11 but I believe was later moved to the 68k and I

Re: [Simh] Pascal for RT-11

On Sat, Feb 6, 2016 at 4:02 PM, Will Senn wrote: > A partial answer to my own question (still curious about other > implementations that are available) and a few followups: ​OMSI (aka Oregon Software) Pascal was the best of the Pascal implementations for the PDP-11 for

Re: [Simh] 8-bit pseudocolor on modern Windows PC?

I know you want to do this will Windows, but have you explored a different OS such as Mac OSx, FreeBSD or Linux on an Intel platform. I said this because I think you may find more X support there. The later is now the "home" for the X team and are more likely to get help from the developers if

Re: [Simh] RSTS/E 10.1-L and Paper tape

I asked our (Intel's) corporate librarians to see if they could find X3.27-xxx and in particular -1969 (the original) and -1978 which was version 3. I agree with Paul, that V3 (-1978) was the version that most people implemented. I seems to remember that, VMS started with V2 and upgraded to 3 -

Re: [Simh] Multiple telnet ports in SimH to RSTS/E 9.6

On Thu, Dec 31, 2015 at 3:40 PM, Paul Koning wrote: > DH/DHV/DHU have DMA output which means fewer interrupts. On a real PDP11 > with very high output demands, that can make a clear difference. ​This is an understatement. More over real DH's supported a DM11 which was

Re: [Simh] GOLD Keys and such

Check out: http://invisible-island.net/xterm/xterm.faq.html There is a really good description of the keymapping process for xterm as well as tools to set the things for you. As Johnny says - be careful many, many terminal emulators are close to VT-100 but not the same. More over, VT-100 !=

Re: [Simh] {Spam?} transferring files to and from v6 unix running in pdp11 emulator

will.s...@gmail.com> wrote: > > > >> On 12/9/15 10:01 PM, Clem cole wrote: >> It should not be a 411 code. It should be a standard 407. 11/34 and 11/60s >> are so called 40 class systems. I used v6tar with them just fine. >> >> Sent from my iPhone >&g

Re: [Simh] Graphics Terminals and Graphic System Phototypesetters

Will The quick answer is yes. Check out vtroff on the BSD tapes. The Versatec plotter was used to simulate a C/A/T typesetter which is what the original troff created and before the laser printer was in common use. Clem Sent from my iPhone > On Dec 9, 2015, at 10:33 PM, Will Senn

Re: [Simh] {Spam?} transferring files to and from v6 unix running in pdp11 emulator

It should not be a 411 code. It should be a standard 407. 11/34 and 11/60s are so called 40 class systems. I used v6tar with them just fine. Sent from my iPhone > On Dec 9, 2015, at 10:40 PM, Will Senn wrote: > > use its v6tar on v6. It appears to require split I+D,

Re: [Simh] terminal multiplexers

​below..​ On Thu, Nov 12, 2015 at 2:08 PM, Rich Alderson < s...@alderson.users.panix.com> wrote: > Hmm. Come to think of it, the purpose of these was to convert serial lines > to telnet. My first encounter with "milking machine mode" (telnet to > serial > lines) was a Cisco ASM connected to an

Re: [Simh] Comments WRT to IP vs ISO and OSI model

On Tue, Oct 6, 2015 at 8:36 PM, Johnny Billquist wrote: > Right. I suspect Rich was actually thinking of the 7 layer OSI model, > which DEC tried really hard to implement. > ​insert >>eventually<< in there and I agree. In the first few generations of DECnet, as Rich points out,

Re: [Simh] Needed: RH750 specification

​below​ On Wed, Aug 12, 2015 at 9:03 AM, Timothe Litt l...@ieee.org wrote: What SimH does now is SRM-compliant. It's just not useful in that the hardware does something different. +1 The 750 specs may or may not describe what happens in this UNDEFINED case. They're not required to.

Re: [Simh] off-topic basic translator

On Wed, Aug 5, 2015 at 11:59 AM, Johnny Billquist b...@softjar.se wrote: Pascal is also pretty far down the list. In some ways, Pascal will cause you bigger problems. ​Traditional (pure) Pascal - a very very true (and sad) observation. Although, I still have a soft spot for it and think its

Re: [Simh] Off topic: ULTRIX question

The Intel C/C++ and Fortran Compiler is available for free for Open Source Contributors: https://software.intel.com/en-us/qualify-for-free-software/opensourcecontributor I was just in a meeting with some folks and I verified that an open source project that wants to use the Intel tools may do so.

Re: [Simh] HIstory.

as the development cause vaxen cost tool much.  Sent from my iPhone On Jul 10, 2015, at 11:44 PM, Jon Elson jonelson...@gmail.com wrote: From: Clem Cole cl...@ccc.com To: SIMH simh@trailing-edge.com Subject: Re: [Simh] VAX vectors Message-ID: CAC20D2MR_YovEFCR-rzbRhcvExdzwGpoQHOccT3t4KC=sft

Re: [Simh] VAX vectors

On Thu, Jul 9, 2015 at 4:53 PM, Richard legal...@xmission.com wrote: VAX was pretty much the last CISC-y architecture that sold in any sizable units ​68K family was after the VAX ( VAX in mid-70s vs. 68K is late 70s). Both pre-John Cox or Patterson's papers. In fact, as Les Crudele [HW

[Simh] Why the 4004 ney Intel*64 still lives

On Thu, Jul 9, 2015 at 4:29 AM, Timothe Litt l...@ieee.org wrote: I agree that IA is the exception - certainly not on its technical merits, but rather on its inertia. ​Not inertia - economics. It was a classic HBS (Christensen) style economic disruption where the lesser (worse) technology

Re: [Simh] Why the 4004 ney Intel*64 still lives

On Thu, Jul 9, 2015 at 10:48 AM, Clem Cole cl...@ccc.com wrote: The the new market does care, the lessor technology is good ​my apologies ... dyslexia sucks... ​The new market does not care, the lessor technology is good ___ Simh mailing list Simh

Re: [Simh] Booting the vax750 simulator.

On Wed, Jul 8, 2015 at 1:45 PM, Mark Pizzolato - Info Comm m...@infocomm.com wrote: Definitely try a different disk. UNIX device drivers do not use the hardware the same way that VMS drivers do. This is certainly true! ​Amen​ ​...​ The VAX 750 UBA Buffered Data Path CSRs

Re: [Simh] Booting the vax750 simulator.

/DTJ808/DTJ808PF.PDF Jason *From:* Simh [mailto:simh-boun...@trailing-edge.com] *On Behalf Of *Clem Cole *Sent:* Tuesday, 7 July 2015 4:17 PM *To:* Henry Bent *Cc:* simh@trailing-edge.com; Mark Pizzolato - Info Comm *Subject:* Re: [Simh] Booting the vax750 simulator. On Tue, Jul 7

Re: [Simh] Hardware fidelity in the VAX family simulators

Sent from my handheld. More typos likely which is quite a thought. On Jul 8, 2015, at 6:17 PM, Timothe Litt l...@ieee.org wrote: Vectors? What you add to an architecture just before you give up on it. Rigel and the 9000 supported VAX vectors. Alpha had them on its roadmap for Ev8

Re: [Simh] Booting the vax750 simulator.

Boy the bits in my memory are stale and could be confused, but my memory is that there was a way to wash it though the VMS linker to get such a map. The author the VMS linker sits a few feet from me, I just sent him email asked him if he remembers how we did that. I suspect he will make an

Re: [Simh] Booting the vax750 simulator.

As I was typing, indeed he came over. The answer is the lk command which is part of the VAX Fortran kit and is the VMS linker. On Tue, Jul 7, 2015 at 2:28 PM, Clem Cole cl...@ccc.com wrote: Boy the bits in my memory are stale and could be confused, but my memory is that there was a way

Re: [Simh] Kaypto II

my thoughts for what they are worth... On Tue, Jun 30, 2015 at 7:57 PM, Kevin Handy khandy2...@gmail.com wrote: Should I make a new kp2 display device, or add parameters to the fw code? If there is a way to split the fw code into mapped display common code and then fw and kp2 specific. Then

Re: [Simh] C64 and C128

The C64 and C128 were based on the MOS Technology 6502 which Commodore eventually became the IP owner.I do not know of an 8502 processor. As I said previously this is the same chip as used by Apple, Atari and many others. It did not run CP/M which needed an Intel 8080 based instruction

Re: [Simh] cdecl

It should preprocess, build and compile with and modern YACC or Lex implementation although it will get some warnings and even errors with some modern compilers. For instance, the when you try to compile with LLVM on the Mac, it will get a few errors some of them because the version of GNU

Re: [Simh] IO ports 8 bit bidirectional like in C64

Bill The 8 bit I/O ports on the C64 are based on the MOS Technology 6500 Family parts. The first of these was the 6520 PIA. You can Check http://www.6502.org/documents/datasheets/mos/ for the datasheets. By the time of the C64 I believe they were using the 6522 but I've forgotten. Google is

Re: [Simh] Booting the vax750 simulator.

Can you try Ultrix 4.4 or 4.5? We did test the later versions on Vaxen in the lab in ZK03 - but I've forgotten which models specifically and my memory is hazy on which configs were tested and I've long lost that notebook. ;-) FYI: There was a ton of bug fixes between 4.0 and 4.3 on the Vax code

Re: [Simh] Pontus asks Is [the] BSD [license] liberal enough?

wrote: Il 08/06/2015 02:45, Clem Cole ha scritto: The internet of course existed since before the GNU project started, so ftp sites became that de rigor way to met that requirement of the license; although I remember buyingmedia from the GNU project to help support rms's work. BTW: forcing

Re: [Simh] Pontus asks Is [the] BSD [license] liberal enough?

I appologies to the list for turning this into a religious war, I did not intend that ​. I should have known better, but I had hoped to avoid it by trying to be fair and factual​ . I had hoped to enducate a few people on why the GPL might night be desired ​ by many projects.​ ​To Pontus, I'm

Re: [Simh] Pontus asks Is [the] BSD [license] liberal enough?

​I fear you might be missunderstanding/confusing the usage rights and the ownership rights.​ On Sun, Jun 7, 2015 at 4:00 AM, Pontus Pihlgren pon...@update.uu.se wrote: If A gives B a software product under GPL then A must provide source code to B upon request. B has no obligations to anyone,

Re: [Simh] Problem with reading tape with PDP-11 SIMH

On Thu, May 21, 2015 at 4:45 PM, Mark Pizzolato - Info Comm m...@infocomm.com wrote: Since you are messing with tpc format tape images within your RSX environment, why not move those image files to the VMS host over the network? Better yet, make the tape in the standard simh format and

Re: [Simh] In the DEC world, what was ZK3 ?

ZK was the Spitbrook Road, Nashua NH site.It was made of up three buildings, 1, 2, 3 and nominally was the software building - where the OS's, Languages et al lived. The last DEC group to the vacate was the old compiler team which has been on the second floor of ZK02 since they first were

Re: [Simh] Looking for clues: MAKECD; CDROM format?

On Sun, May 10, 2015 at 5:47 PM, Timothe Litt l...@ieee.org wrote: It might be Ultrix CDFS - anyone know that format/a linux tool? This question is causing some random bits in my memory FS to slowly be retrieved but have not been active for 20+ years I fear. ;-) My memory is that Ultrix

Re: [Simh] Simulating the PDP-15/76 Unichannel

On Tue, Mar 17, 2015 at 5:25 AM, E. Groenenberg qua...@xs4all.nl wrote: Some form of messaging or synchronization would indeed be required, this could be done f.e. using msg calls (or equivalents), or use a dedicated small area in the shared memory segment for locking, using atomic locking

Re: [Simh] Simulating the PDP-15/76 Unichannel

Yup. That's why I said look at OpenSHMEM. That's all in there since PGAS requires it. Sent from my iPhone On Mar 16, 2015, at 5:31 PM, Mark Pizzolato - Info Comm m...@infocomm.com wrote: On Monday, March 16, 2015 at 2:19 PM, Bob Supnik wrote: Before I venture on a detailed design of a

Re: [Simh] Regarding Cutler THE father of VMS myth

On Sun, Mar 8, 2015 at 8:23 AM, Sergey Oboguev obog...@yahoo.com wrote: If so, he may have a claim to inventing (a hint at) a microkernel concept. ;-) ​Dykstra invented the ukernel -- its the THE kernel: https://en.wikipedia.org/wiki/THE_multiprogramming_system The paper itself is

Re: [Simh] Regarding Cutler THE father of VMS myth

On Wed, Mar 4, 2015 at 3:38 PM, Bill Cunningham bill...@suddenlink.net wrote: That is indeed a wonderful story. So Cutler didn't hate Unix like I have alawys heard then? ​Well, I think its like saying I hate(d) VMS or RSX. I respect(ed) both systems, but would prefer not use them when I had

Re: [Simh] Regarding Cutler THE father of VMS myth

On Wed, Mar 4, 2015 at 4:40 PM, Dennis Boone d...@msu.edu wrote: Poduska bully-wheedled his operating system engineers into using a compiled language in the beginning, but it was FORTRAN at first. PL/P didn't come along until '78 or so ​Interesting. With Apollo they went back to Fortran

Re: [Simh] Cutler Unix

It was never adopted - for $100, your institution got a tape from ATT and they abandoned it on your doorstep. On Wed, Mar 4, 2015 at 8:34 PM, Jacob Goense d...@xs4all.nl wrote: On 2015-03-04 23:57, Dave Osborne wrote: Don't forget that DEC did not adopt Unix because of Ken Olsen snake oil.

Re: [Simh] Fw: Cutler Unix

below.. On Wed, Mar 4, 2015 at 9:27 PM, david.d.mil...@att.net wrote: In the mid-70s I was working at Sylvania WDL. We were looking for a real-time OS for a PDP 11/45. Nothing at DEC. We checked with ATT for UNIX and they wanted $40K (I was told). Management said, no way and I was

Re: [Simh] Regarding Cutler THE father of VMS myth

On Wed, Mar 4, 2015 at 6:22 PM, Sergey Oboguev obog...@yahoo.com wrote: Unix has been able to embrace the ideas easily and I do not think that would have been easy with VMS It would not, which makes it even more curious that there was a pilot effort at reimplementation of VMS on top of

Re: [Simh] Regarding Cutler THE father of VMS myth

On Tue, Mar 3, 2015 at 8:28 PM, Sergey Oboguev obog...@yahoo.com wrote: Cutler was a technical team manager during the development of initial versions of VMS, however he was not the top #1 architect and technical contributor. ​Excellent post. Small but I think important correction. DC was

[Simh] Bug report???? Some ld errors and warnings when compiled with Intel icc on a Mac Yosmite

Mark/Bob, Note sure if you care but for grins and giggles I put simh through the new Intel C compiler. It compiles clean with the default clang from Apple, but icc (which you may know is the moral replacement for the old DEC compiler is having some issues [icc is the DEC compiler DNA ground up

Re: [Simh] ALTAIR thinko?

On Mon, Feb 2, 2015 at 2:42 PM, Dell Setzer dset...@panix.com wrote: Probably folks back then were used to octal from having worked on minicomputers (like DG or DEC). I've forgotten that MIT's had grouped the switches in threes on their panel like the PDP-8 and PDP-10, and PDP-11. But you

Re: [Simh] ALTAIR thinko?

On Mon, Feb 2, 2015 at 10:16 AM, Bailey, Scott scott.bai...@hp.com wrote: Non-existent memory. On the 8080, reads to non-existent memory return 0377, and writes are ignored. ​That was definitely true and how the HW worked [although the comment should have been 0xFF or actually $FF in

Re: [Simh] Extracting SimH Tapes on Linux

On Sat, Nov 29, 2014 at 9:32 AM, Stephen Merrony st...@stephenmerrony.co.uk wrote: extract a tape dump in SimH format ​Can you be a little more detailed here. The file is a SimH format of the a tape. But the tape itself has been formatted by the application on the OS that wrote it. eg. if

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