What HP OS could it be??

From: Ron Hudson <rhudson_at_cnonline.net>
Date: Sat Oct 11 00:47:18 2003

On Friday, October 10, 2003, at 11:41 PM, Bill McDermith wrote:

>>
>>
>>> Ron Hudson wrote:
>>>
>> Jay West wrote:
>>
>>> What OS was I running?
>>>
>> My initial guess was DOS, but I'd suspect HP's standalone RJE station
>> with
>> processing happening on a mainframe somewhere else. I actually seem
>> to have
>> a pretty extensive library of paper tapes and manuals for the
>> standalone RJE
>> system.
>>
> Could also be RTE-II... 2100/79xx disk,etc. Had a batch/spool manager
> like DOS/DOS-M
> so you could spool cards from the card reader and print batch output
> on the LP.

Well the algol manual I used was HP's, The plotter library, hp. I don't
think it
was a remote job entry of any kind.

>
>> The boot loader was stored at (i think) 102077 (punch this in the
>> switch register and hit run???)
>>
>> 102077 is generally used as the T register display upon a "good
>> halt", not a
>> starting address. So when you ran the boot loader, if it loaded
>> correctly,
>> you would get a 102077.
>>
> Right. That's the halt code -- actually, the 2100 displays the last
> instruction, which in this
> case is the halt instruction (1020xx)...
>
> Depending on how much core memory was in the machine, the boot loader
> started at x7700 octal, where
> x was set depending on the core size. For a 32K machine, x was 7
> giving a starting program counter
> of 77700 for the paper tape reader boot and 77740 for the disk boot...
> (but you knew this part, Jay :-)
>
>> Jay West
>>

There was a fatfinger that was about 30 "instructions" long, That read
about a 3 foot paper tape, then
that read the Hard drive...





>>
>
Received on Sat Oct 11 2003 - 00:47:18 BST