[HECnet] VAX/VMS 1.50

Cory Smelosky b4 at gewt.net
Sat Apr 6 21:30:00 PDT 2013



On 6 Apr 2013, at 16:26, "Johnny Billquist" <bqt at softjar.se> wrote:


On 2013-04-06 22:11, Cory Smelosky wrote:

On 04/05/2013 09:40 PM, Gregg Levine wrote:

On Thu, Apr 4, 2013 at 4:31 PM, Cory Smelosky <b4 at gewt.net> wrote:

Afternoon all,

I managed to get this to boot in SIMH with minimal effort.   (Started
from
VMS 3.x and then installed 1.5 with a bunch of devices disabled)

sim> b rp2
Loading boot code from vmb.exe


  VAX/VMS Version 1.50 12-APR-1979 09:30


PLEASE ENTER DATE AND TIME (DD-MMM-YYYY   HH:MM)   04-APR-2013 14:39
    OPCOM,   4-APR-2013 14:39:06.22, LOGFILE INITIALIZED, OPERATOR=_OPA0:

$ !
$ ! VAX/VMS system startup - Release 1
$ !
$ SHOW TIME
    4-APR-2013 14:39:06
$ SET NOVERIFY
%MOUNT-I-MOUNTED, CONSOLE           mounted on _DXA1:
  Login quotas - Interactive limit=64, Current interactive value=0
  SYSTEM             job terminated at   4-APR-2013 14:39:06.49

  Accounting information:
  Buffered I/O count:                   139           Peak working set size:       98
  Direct I/O count:                         38           Peak virtual size:             110
  Page faults:                                 287           Mounted volumes:                     1
  Elapsed CPU time:         0 00:00:00.12     Elapsed time:         0 00:00:00.26
Username: SYSTEM
Password:
              Welcome to VAX/VMS Version 1.50

$ sh network

                              NETWORK UNAVAILABLE

What kind of networking could I get working on this?   Pre-Phase-IV
using a
device SIMH doesn't have emulation support for? ;)

I can upload this disk image if anyone wants it.

--
Cory Smelosky
http://gewt.net Personal stuff
http://gimme-sympathy.org Experiments

Hello!
Cory, yet another strange suggestion, what was your original host for
your image? Obviously SIMH for VAX but what was it running on? I was
thinking of your project a while back of running SIMH for VAX on an
RPI itself wearing a not updated release of Linux for it, and then
connected via a serial physical connection to one of your terminals.

SIMH instance on Pi using DZ attached to /dev/ttyUSB0 -> DECserver ->
VT420.

Now, that I didn't get at all.
Why do you go to a DECserver to get to a terminal? It's already a serial port when you get out from the Pi. The DECserver looks like a really redundant piece of equipment in this equation.

Oddly enough, performance is better when connecting it to the DECserver.   I am not sure why.


I would either connect the VT420 to the USB serial port, or else use LAT between the DECserver and the simh instance.

Is LAT supported on VMS 3.5 at all?   If so, is it supported without the DECnet license? (I don't have a license kit for 3.x)


However, it is nice that simh now can associate a physical serial port with a simulated one. How transparent is it? I mean, can you change the speed of the physical serial port by doing the programming of the simulated one?

ATTACH DZ has an option for specifying baud rate.   I broke SIMH when I tried to set it to 300 baud though. ;)


	Johnny

-- 
Johnny Billquist                                   || "I'm on a bus
                                                                ||   on a psychedelic trip
email: bqt at softjar.se                         ||   Reading murder books
pdp is alive!                                         ||   tryin' to stay hip" - B. Idol



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