Re: [Simh] Transferring the licence file to the VAX emulator - THE FIX

Maybe a brief discussion of this topic could be added to the SIMH FAQ. It seems like a key piece of information to help others kick-start their attempts to run VMS/OpenVMS under SIMH. -Original Message- From: Simh [mailto:simh-boun...@trailing-edge.com] On Behalf Of Brian Sent: Monday,

Re: [Simh] SIMH mailing list will be migrating to groups.io in next month

Many thanks Tim for your selfless years of dedication to SIMH. We appreciate your efforts and are equally frustrated by the impact “bad actors” have had on the Internet and all who use it. PS: Maybe once the migration to groups.io is done, there is an opportunity to donate a copy of the

Re: [Simh] swtp6800-swk.zip

Bill Have you ever given any thought to emulating the Intel iPDS system running ISIS-II ? They were the white and black portable little brother of the MDS family. We had one once, which we called Big Blue because of its sheer physical size. Those MDS 8" floppies were really something.

Re: [Simh] anyone know how to convert/translate turbo pascal to vax pascal?

Dan What exact version of Pascal compiler are you using ? (presumably you are using OpenVMS 7.3 on a VAX as the operating system) What is the exact message the complier gives concerning the writeln() function? Can you generate a simple “proof of concept” and share what you are doing ?

Re: [Simh] Terminal Emulator

Another good terminal emulator was WRQ's Reflection 2. Of course, it was not freeware/shareware, but it ran well, and had its own file transfer protocol built in. For VAX/VMS hosts, once you uploaded a minimalist bootstrap program (a simple copy-paste operation of a DCL script that embedded

Re: [Simh] Assorted ramblings was: Re: VAX Tape Emulation?

Clem and all Your knowledge of this and many other obscure (and not-so-obscure) subjects from the “early days” never ceases to amaze me. If only there was a way to capture all these anecdotes into one coherent “Wikipedia of computing history” … Many of these stories are absolutely

Re: [Simh] VAX Tape Emulation?

Zane The program that Johnny is thinking of is VMSPTC http://www.digiater.nl/openvms/decus/vax86a/bnelson/vmstpc/vmstpc.c Note sure if this is the latest, but it came up in the first set of Google search results for "VMSTPC" Good luck Jason -Original Message- From: Simh

Re: [Simh] Simulator development: Advice on system timing

If you need accurate device timing, then perhaps something like the core of MAME/MESS is a better choice than SIMH. All those retro arcade machine games in MAME depend on counting cycles in order to give realistic game behavior for the human who is playing them. If they ran twice as fast,

Re: [Simh] Problem with MT_ASTLVL on the VAX-11/780

Johnny Billquist wrote: >However, this might be different on different CPU models, so I suspect this >should be applied with care. >He was testing VAX/VMS V4.5, which is pretty ancient. The models supported by >that version would probably only be the VAX-11 models. (And yes, I include the

Re: [Simh] DEC VT emulators on MAME

Malcolm After looking at the photos you took of the ROM cartridge internals I think you might be better leaving them in-place and making up an adapter from the edge connector to a 28 pin socket that you could plug into an EPROM programmer. By the looks of it, there's no chip selection/data

Re: [Simh] DEC VT emulators on MAME

Tim Malcolm had previously indicated that E80 was a Xicor X2804AP-45 chip. That would make it a 512 byte (4096 bit arranged as 512 * 8) EEPROM, rather than an NVRAM, with an access time of 450ns. Link to datasheet http://pdf1.alldatasheet.com/datasheet-pdf/view/103364/XICOR/X2804A.html

Re: [Simh] VT240, VT340 and DS200/300 HW specs info

A DS200 fits in a standard 19 inch rack. Refer to page E-2 of the DS200 hardware installation guide for precise dimensions and weight: http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/ethernet/decserver_200/EK-D200C-IN-001_DECserver_200_Hardware_Installation_Oct86.pdf From: Simh

[Simh] Now trending on Google News: stories about the humble floppy disk !

Interesting to see stories like these appearing on Google News today: "US nuclear force still uses floppy disks" http://www.bbc.com/news/world-us-canada-36385839 "The long legacy of the floppy disk" http://www.bbc.com/news/technology-36389711 Long live the floppy disk, retrocomputing, and

[Simh] Thoughts on combining individual scanned pages

One tool that I have found useful in the past is tiffcp, which is part of the tools in the libTIFF distribution. http://www.remotesensing.org/libtiff/tools.html tiffcp makes it easy to combine multiple TIFF images into a single TIFF file. tiff2pdf makes it easy to convert that multi-page TIFF

Re: [Simh] Way out idea for simh

n the disk, then this scheme wouldn't work. -Original Message- From: Simh [mailto:simh-boun...@trailing-edge.com] On Behalf Of Armistead, Jason . Sent: Wednesday, April 20, 2016 1:31 PM To: simh@trailing-edge.com Subject: Re: [Simh] Way out idea for simh One thing that I don't think has been

Re: [Simh] Way out idea for simh

One thing that I don't think has been mentioned is that the guest OS being run under SIMH might not take kindly to data changing on these new devices that are being proposed. I would expect the guest OS doesn't expect things to "magically happen", because it (quite rightly) believes it is the

[Simh] Pop culture references to DEC and VAX

And now for a bit of a diversion after an otherwise fairly quiet week on the SIMH mailing list ... Last week I was watching a DVR-ed recording of Arrow on the CW network (http://www.cwtv.com/shows/arrow ). The particular episode was "Beacon of Hope". Just a few minutes in, as the last of the

Re: [Simh] Cross Compilers (and memories thereof)

Let's move this to a new thread subject of its own ! On Tuesday, 23 February 2016 12:04 PM, Davis Johnson wrote (under old subject Re: [Simh] Interdata OS/32: hello-world in CAL32) : > One that I remember was TI had a 9900 cross assembler written in FORTRAN (all > caps in

Re: [Simh] Interdata OS/32: hello-world in CAL32

On Feb 23, 2016, an anonymous user (li...@openmailbox.org) wrote: > Thanks very much for the additional info. Your post was very timely since I > read in the notes that come with the PL/M cross compiler > that is being discussed that it was a cross-compiler hosted on MTS and VM/CMS. > I don't

Re: [Simh] Intel's PL/M-86, ASM86 and iAPX-86 Utilities source code

s not the version > required to compile CP/M 2.2 or 3.0. It works well, but lacks support for > external definitions and some PLM constructs, as required by the DR source. On Mon, Feb 22, 2016 at 9:04 AM, Clem Cole <cl...@ccc.com> wrote: below On Mon, Feb 22, 2016 at 10:31 AM,

[Simh] Intel's PL/M-86, ASM86 and iAPX-86 Utilities source code

Sorry for this off-topic posting, but with all the recent talk about Intel's history of x86 development, I was wondering whether there are any "Intel connected" people around here who might know what happened to the source code for Intel's PL/M-86, ASM86 and iAPX-86 Utilities (LINK86, LOC86,

Re: [Simh] Sounds

On Thursday, 11 February 2016 12:23 PM Kevin Handy wrote: > Nowodays, many people haven't even heard a dot-matrix printer grinding away, > let alone the huge mass of fans that seemed to make up most of an 11/70. > Daisy weel printers are also extremely rare now. Line printers (drum, chain, >

Re: [Simh] SIMH and physical hardware

On 2/9/16 11:41 PM, Zachary Kline wrote: > This is around 50% humorous, but it’s still a thing I’ve been thinking about > lately. From a newbie’s perspective, all SIMH machines are very similar. The > worst thing about emulation is that the “feel,” of the original hardware > doesn’t seem to be

Re: [Simh] Pascal 1.3 manual for RSX 11 4.6

Al Kossow wrote: > here is the SPD > > http://h18000.www1.hp.com/info/SP1418/SP1418PF.PDF And the second page of the SPD even mentions "On-line Debugging Technique (ODT)" - the topic of one of our other recent SIMH mailing list threads !!! ___ Simh

[Simh] The minutiae of hardware/software interactions affecting SIMH

On the topic of Configuring DMC11 Devices, while discussing wait delays Mark Pizzolato recently wrote: > Sounds reasonable. I've got to see if I can find the reason the delay was > initially added and make sure a change like this is compatible. What is the "SIMH strategy" for documenting such

Re: [Simh] terminal multiplexers

Patrick Finnegan wrote: >DEC's DECserver, Xyplex Maxserver, Annex terminal servers, and Xylogics (for >the ones I have touched and remember) all converted telnet into > real RS/EIA-232 lines. (telnet client -> host serial, or serial terminal -> > host telnet server)

Re: [Simh] VMS/VDE: Almost there

Rich Alderson wrote: >DECNET is available under RSX-11M and RSTS/E on PDP-11s, Tops-10 and TOPS-20 >on PDP-10s, and under VMS (and possibly Ultrix, I don't remember for certain) >on VAXen, and on VMS follow-on systems. It is as far as possible agnostic >about what kind of system it was running

Re: [Simh] Mark's mailbox full

I actually find it interesting how much it reveals about the target e-mail and account configuration We know he's running VMS We know he has a disk called $DISK3: We know his user space is under $DISK3:[MARK] And we know we've successfully filled his disk, thus denying some level of service and

Re: [Simh] vector images

Surely it is possible to extract files from SETUP.MSI without running the installer. Someone must have the tools to do this (either commercial or freeware perhaps ?). Another alternative is to run a virtual Windows OS image inside something like VirtualBox, thus avoiding any problems

Re: [Simh] DEC floppy disk interleave questions

Dying RFxx disks might be due to failure of FLASH memory in the controllers (either onboard the CPU or external chips). The charge in the memory cells in FLASH memory chips doesn't last forever, and slowly bleeds away. Early devices could fail after 10 years. Newer FLASH parts are better,

Re: [Simh] Booting the vax750 simulator.

Out of curiosity, I did a bit of Googling, and found a link to the following Digital Technical Journal article from 1992 that explains GEM in detail. It also gives the biographies of a number of the key players involved with GEM – I wonder how many Clem still has sitting in his office these

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

So now that Alan has TPC working, where and how do we document all this, i.e. the symptoms, the underlying SIMH design behavior vs the expected RSX behavior that cause it to manifest itself as a problem, and the DEP TS TIME solution, in an easy-to-find way so the next person doesn't have to go

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

One of the recent discussions on this list mentioned ZK3 I remember it also appeared in numerous DEC publications, with e-mail addresses @zk3.digital.com, and, I think, in some DEC documentation (though I may be wrong on that point) What exactly was ZK3 ? I'm gathering it was possibly a

Re: [Simh] how to get eth connexion

Gérard SIMH has a console terminal connection. This is activated after SIMH starts up by creating a Telnet connection to port 1 on your host (or else it times out). That implies that the IP protocol be activated on at least one network interface on your host. Jason -Original

Re: [Simh] PIP10 on PDP-8 SIM

I had trouble with Timothe’s link to the USPTO, but found this same patent in PDF form at http://www.brouhaha.com/~eric/retrocomputing/dec/dectape/3387293.pdf As a relative newbie who started my serious journey into computing with an Apple ][ I’ve never fully understood DEC’s fascination with

Re: [Simh] Extended SimH on BeagleBone controls real blinkenlight panels

Why not go all the way and record video of each type of old hardware in action ? Obviously this makes no sense for blinkenlights, but it might be fun to watch tape drives spinning back and forth (a series of short sequences of video for each operation), or maybe someone opening up a disk pack

Re: [Simh] Running and compiling SIMH under 64-bit Windows 7

: Jason Stevens [mailto:neoz...@gmail.com] Sent: Monday, 2 May 2011 9:59 AM To: Armistead, Jason Cc: simh@trailing-edge.com Subject: Re: [Simh] Running and compiling SIMH under 64-bit Windows 7 I'm using VS 2010 professional... As far as I remember the express stuff is 32bit only. The platform SDK's

Re: [Simh] EXTERNAL: Problem booting an emulated VAX-11/780 from a Massbus disk drive

So now the real question from this discussion becomes … “How do “we” (initially Bob Supnik and perhaps the SIMH users/contributor base) track the “core” and “per platform” SIMH requirements ?” which then leads on to the whole issue of test cases for requirements validation, functional

[Simh] SIMH test suite / target CPU speed control

While discussing SIMH futures, Vince Mulhollon wrote: I use a bash script that automates: wget's some relevant papertape or whatever of diagnostic routine runs a short expect script on simh pdp8 or whatever that executes the diagnostic routine and saves the disk images etc. md5sum the

Re: [Simh] SIMH future releases / Sourceforge project

Previously, Nigel Hornen...@bandsman.co.uk wrote: and SIMH, originally, was not open source in the sense that any responsible programmer could contribute. The quality of the software and the ultimate decision on released functionality was always in the hands of Bob S. And a mighty fine job

Re: [Simh] Largest VAX / PDP disk sizes

Tim Doing a bit more digging, it looks like if I just use the SIMH “RAUSER” disk type, and give it a size large enough for my needs, I’ll be OK. The precompiled SIMH binaries for Windows include 64 bit file support so I can go bigger than 2Gb without any problems. I also came across a