tymcom-x-simh []

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====== SIMH (KS2020 emulator) Setup ======

Part of the [[tymcom-x|TYMCOM-X]] project.

See also the [[tymcom-x-startup|TYMCOM-X Startup]] and [[tymcom-x-status|Status]] pages.


===== Initial set up =====

==== Install simh-pdp10 ====
  * Download simh-master.zip from https://github.com/simh/simh/archive/master.zip
  * Unzip it
  * ''cd simh-master; make pdp10'' (or ''gmake pdp10'')
  * ''cp BIN/pdp10 ~/pdp10/simh-ks/pdp10.`uname -s`''

Do the above for each system you test on (Linux, Cygwin, FreeBSD, NetBSD, etc).  
Make ''pdp10'' a one-line executable file\\
  exec $0.`uname -s` "$@"
so that emulators for multiple systems can be kept in a single replicated directory.

Do the steps below only once.

  * Refer to the page http://www.steubentech.com/~talon/pdp10/ and download [[http://www.steubentech.com/~talon/pdp10/tops10-1.4.tar.bz2|TOPS-10 7.03 Distribution R1.4]] (two RP06 pack images in a bz2 compressed tar file).
  * Extract the files, then "cp dskb.dsk dskc.dsk ~/pdp10/simh-ks".

==== Create tops10.ini files ====

Create ''tops10.ini'' with:
  ; SIMH Configuration for TOPS-10
  set dz 8
  set tim y2k
  att rp0 dskb.dsk
  att rp1 dskc.dsk
  att lp20 printer.out
  att tu0 scratch.tape
  att -am dz 2020
  set cpu tops10
  set cpu idle
  boot rp
Use "**./pdp10 tops10.ini**" to start TOPS-10.


===== Running TOPS-10 =====

TOPS-10 will automatically get the date and time from the emulator
  Linux% ./pdp10 tops10.ini
  PDP-10 simulator V4.0-0 Beta        git commit id: 7ed68aed
  Listening on port 2020
  Modem control activated
  Auto disconnect activated
  BOOT V3(47)
  
  BOOT>
  [Loading from DSKB:SYSTEM.EXE[1,4]]
  
  VNW 10-14-99
  Why reload: opr
  Date:
  Time:
  
  Startup option: go
  [Rebuilding the system search list from the HOMe blocks]
  [Rebuilding the active swapping list from the HOMe blocks]
  [Rebuilding the system dump list from the HOMe blocks]
  
  VNW 23:51:57 CTY system 4097
  Connected to Node (0) Line # 12
  Welcome to TOPS-10 7.03
  Steuben Technologies Distribution Revision 1.4
  .LOGIN 1,2
  .R OPSER
  [OPRPAF Processing auto command file]
  %%TTY STOMPER - Starting
  *^C

Connect via "telnet localhost 2020".

  .login public
  .make m33.sfd
  *ex$$

The files **dskb.dsk** and **dskc.dsk** are very important.  I back them up every four hours using rsnapshot.

===== Obtain the monitor sources and three executable binaries =====

These files exist as "TITO save sets" stored on 4mm DAT tapes copied from 6250 bpi and 1600 bpi backup tapes.
Some of the files have been restored to a restricted LCM machine.  One file was corrupted and had to be restored from a different tape.

==== Copy files to local Linux box ====

Use KERMIT on a Linux box to login via telnet to the original TOAD-1, it has files in TYMNOT:<169*>.

  Linux% cd ~jms/pdp10/m33
  Linux% kermit
  C-Kermit> ssh the-machine-with-sources
  @LOGIN jms password
  @MOUNT STRUCT TYMNOT
  @CONNECT TYMNOT:
  @COPY <169267.F0>MACRO.SHR  <JMS>
  @COPY <169267.F0>LOADER.SHR <JMS>
  @COPY <169267.F0>TITO.SAV   <JMS>
  @COPY <169267.F0>*.CMD      <JMS>
  @COPY <169267.F0>*.MAC      <JMS>
  @KERMIT SERVER
  C-Kermit> get *.*
  C=Kermit> bye
==== Copy files to TOPS-10 emulator ====

The PDP10 emulator running TOPS-10 should already be running.

This step is very slow.  Average is around 40 cps (characters per second).

  C-Kermit> telnet localhost 2020
  .login pubic/path:[,,m33]
  .r kermit
  KERMIT10> server
Control-\ c to get back to originating kermit
  C-Kermit> send *.*
  C-Kermit> bye
  C-Kermit> exit
[Sometimes this fails with error message "?KERMIT10> ". That is, no details on the error.]

==== Creation of ''tito.tape'' - using GET/SAVE and COPY ====

  [CCPWFD Waiting for file daemon to start]
  %%TTY STOMPER - Starting
  *^C
  .r opr
  OPR>

Use "telnet localhost 2020" to connect to the PDP10 emulator running TOPS-10

Enter the mount command on the telnet session.

  .login public/path:[,,m33]
  .mount tape mta /reelid:tito1/label:none/write 
  [Mount request TAPE queued, request #7]

Back at OPR>

  19:58:16          -- Magtape mount request #7 --
                User: PUBLIC [42,42] Job #3
                Volume-set name: TAPE
                Volume-ID   Write   Labels  Track  Density
                ---------  -------  ------  -----  -------
                TITO1      Enabled  No        9    1600
  OPR>Control-E
  sim>att tu0 tito-save.tape
  sim>go
  20:01:50        Device MTA000  -- Unlabeled volume mounted --
                Density 1600 BPI, write-Enabled
  OPR>identIFY (device) mta0: (with) reqUEST-ID 7

Back at telnet job:

  [Magtape TITO1 mounted on MTA000 with logical name MTA]
  .set density mta 1600
  .get tito.sav
  Job set up
  .save mta:tito.sav
  .save mta:tito.sav
  .save mta:tito.sav
  .unload mta
  
Back at OPR

  OPR>Control-E
  sim>att tu0 tito-copy.tape
  sim>go
  20:05:07        Device MTA000  -- Invalid request - drive is assigned by job 3
  opr>

Back at telnet job

  .copy mta:tito.sav=tito.sav
  .copy mta:tito.sav=tito.sav
  .copy mta:tito.sav=tito.sav
  .unload mta
  .deassign mta

=== End of setup ===
 
Continue with the [[tymcom-x-startup|TYMCOM-X Startup]] page.

==== Other pages ====

[[tymcom-x|Overview]] page, [[tymcom-x-simh|SIMH Setup]] page, [[tymcom-x-startup|TYMCOM-X Startup]] page, [[tymcom-x-tape|TITO on disk]] page, [[tymcom-x-status|Status]] page.
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