[Simh] PDP11 on Simh for public access

[Christian Brunschen]

On 23 January 2018 at 21:34, Mark Abene <phiber at phiber.com> wrote:

> I remember Columbia had an ASCII-encoded kermit binary which you could
> either print/load as paper tape, or copy/paste into an editor.
>

The correct tense actually seems to be "has":

http://www.columbia.edu/kermit/pdp11.html

> Digital Equipment Corporation's PDP-11 was (and is) a 16-bit mini- or
> microcomputer used in applications ranging from embedded device control to
> general-purpose timesharing. Several different Kermit programs are
> available for the PDP-11.
>
> *Kermit-11* is the Kermit software for Digital Equipment Corporation
> PDP-11 operating systems: RT-11, RSX-11, RSTS/E, IAS, P/OS, and (not a DEC
> OS) TSX+. Kermit-11 was written by Brian Nelson of the University of
> Toledo, Ohio, circa 1984-89, in PDP-11 assembly language, Macro-11.
> Separate programs, listed below, are available for other PDP-11 operating
> systems like UNIX and MUMPS.
>
> The Kermit-11 source code is available at our ftp site
> <ftp://kermit.columbia.edu/kermit/> in the kermit/b
> <ftp://kermit.columbia.edu/kermit/b/> subdirectory as k11*.mac, and you
> can find prebuilt-binaries for various operating systems and configurations
> inkermit/bin/ <ftp://kermit.columbia.edu/kermit/bin/>, as k11*.tsk or
> k11*.sav. If you are unfamiliar with FTP, or have problems with it, READ
> THIS <http://www.columbia.edu/kermit/ftphlp.html>. There are also various
> utilities -- hex encoders and decoders, etc -- written Macro-11, Fortran,
> and Basic in the kermit/b directory, along with all the Kermit-11 text
> files, whose names all start with "k11".
>
:)


> That's how I loaded KERMIT on my old RSTS/E V7 system.
>

So that should all be still doable in much the same way now as it was then!


> -Mark
>

// Christian


>
>
> On Tue, Jan 23, 2018 at 12:18 PM, Bryan Davies <bryan.e.davies at gmail.com>
> wrote:
>
>> But I've always wondered - how do you get Kermit onto the target machine?
>>
>> On 23 January 2018 at 20:16, Jordi Guillaumes Pons <
>> jg at jordi.guillaumes.name> wrote:
>>
>>>
>>> Jordi Guillaumes i Pons
>>> jg at jordi.guillaumes.name
>>> HECnet: BITXOW::JGUILLAUMES
>>>
>>>
>>>
>>> On 23 Jan 2018, at 21:13, Paul Koning <paulkoning at comcast.net> wrote:
>>>
>>> SAV files would be binaries (RT11 format).  BAS are source files.
>>>
>>> There are a number of solutions.  Text files you could load via paper
>>> tape, with the text file attached to the SIMH tape reader.  That's not as
>>> good an answer for binaries though it could be made to work.
>>>
>>> Magtape or disk are better solutions.  Disk works well if you have a
>>> program that can write disk images in a format the target OS knows.  That's
>>> easy in this case; you can use my "flx" (RSTS File Exchange) program to do
>>> this.  There's an older version written in C, a newer one written in Python
>>> 3.  For the former, look in svn://akdesign.dyndns.org/flx/branches/V2.6,
>>> for the latter, in svn://akdesign.dyndns.org/flx/trunk.  There's
>>> documentation for both in those respective directories.  (Commments and bug
>>> reports, especially for the new version, would be appreciated.)
>>>
>>>
>>> There’s always kermit…
>>>
>>
>>
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>
>
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