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Re: Y3K for PDP-11 Operating Systems

From billg999@cs.uofs.edu (Bill Gunshannon)
Newsgroups comp.os.vms, alt.sys.pdp11, comp.sys.dec, vmsnet.pdp-11
Subject Re: Y3K for PDP-11 Operating Systems
Date 2011-05-04 16:33 +0000
Organization Computing Sciences Dept., University of Scranton
Message-ID <92ddfkF764U1@mid.individual.net> (permalink)
References (6 earlier) <7d287cc3-4605-49a0-826e-fb92fc14e98d@j28g2000vbp.googlegroups.com> <92bjl8F19sU1@mid.individual.net> <H9mdnUTgT5LYfF3QnZ2dnUVZ_uOdnZ2d@giganews.com> <92d114Fhm7U1@mid.individual.net> <KsmdnY-dhd7k_VzQnZ2dnUVZ_vqdnZ2d@giganews.com>

Cross-posted to 4 groups.

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In article <KsmdnY-dhd7k_VzQnZ2dnUVZ_vqdnZ2d@giganews.com>,
	"Richard B. Gilbert" <rgilbert88@comcast.net> writes:
> On 5/4/2011 9:01 AM, Bill Gunshannon wrote:
>> In article<H9mdnUTgT5LYfF3QnZ2dnUVZ_uOdnZ2d@giganews.com>,
>> 	"Richard B. Gilbert"<rgilbert88@comcast.net>  writes:
>>> On 5/3/2011 8:07 PM, Bill Gunshannon wrote:
>>>> In article<7d287cc3-4605-49a0-826e-fb92fc14e98d@j28g2000vbp.googlegroups.com>,
>>>> 	onedbguru<onedbguru@yahoo.com>   writes:
>>>>> On May 3, 2:39 pm, Henry Crun<m...@rechtman.com>   wrote:
>>>>>> On 03/05/11 20:51, Bob Koehler wrote:
>>>>>>
>>>>>>>     >Bob Koehler wrote:
>>>>>>
>>>>>>>>> In article<bdd4fd3d-bb52-43fb-ad9c-746b901f4...@gu8g2000vbb.googlegroups.com>, jjh<jjhu...@gmail.com>     writes:
>>>>>>
>>>>>>>>> To make sure I understand, y3K =3D 3000, it is 2011 now...um that is 989
>>>>>>>>> years from now...or roughly  12.5 lifetimes....I seriously don't think
>>>>>>>>> that anyone in the year 3000 will want to know anything about DEC hw
>>>>>>>>> or sw.
>>>>>>
>>>>>>>> You obviously have not read the historical documents.
>>>>>>
>>>>>>> I am curious, I have not read the historical documents.
>>>>>>> Can you please post a link?
>>>>>>
>>>>>>> As for Y3K for RT-11, since the date is presently managed
>>>>>>> up to 2099 as of V05.07 of RT-11, dates starting in 2100
>>>>>>> become the next problem.  And since adding support only
>>>>>>> for an additional 128 years seems like a complete waste of
>>>>>>> time, then 3000 CE was chosen as the next minimum step.
>>>>>>> In practice, at least an additional 4000 years would probably
>>>>>>> be added, more than enough to handle dates until the rules
>>>>>>> for the CE (Commercial Events, Common Era, Christian Era
>>>>>>> or Gregorian - all are identical and have a 400 year cycle)
>>>>>>> Calendar requires a rule change to handle years which are
>>>>>>> less than the current 365.2418 days.
>>>>>>
>>>>>>> So Y3K is really just Y2.1K if that makes a difference.
>>>>>>
>>>>>> IIRC there was an article by someone from DEC who promised that RSTS would be
>>>>>> patched to accept five-digit years before the year 9999. However I doubt that
>>>>>> current versions would be supported until then...
>>>>>>
>>>>> question... who cares??? I can almost guarantee that none of us will
>>>>> be here in 2099... and by that time you might be using neural-net
>>>>> technology that will make the PDP look like a TRS80.
>>>>
>>>> Hey, just what xfdo you think was wrong with the TRS80?
>>>>
>>>
>>> Other than primitive hardware and primitive software?  It was a good
>>> machine in its day but its day is LONG GONE!
>>>
>>
>> Now that's funny, here.  Just how is the Z80 more primitve than the PDP-11?
>> And software?  At least 5 different OSes.  Wide language support.  Many
>> commercial applications.
>>
>> And, at this point it is probably debatable which one between the TRS80
>> and PDP-11 has more users on both real hardware and emulators.  I have
>> quite a bit of both.
>>
> 
> I disposed of my "TRASH 80" and replaced it with a used Rainbow 100. 

I always wanted a Rainbow, too, but never had the luck of finding one.

> The lack of a few milligrams of gold plating made the TRASH 80 a 
> nightmare.  Tin oxidizes and did so on critical connectors!
 
Wow, you have gold on all your PDP-11 modules?  Maybe those old
cards are worth more than I thought.  :-)  I have a number of
TRS-80 Model-I's with the Expansion Interface and they all work
quite well. I spent more time cleaning edges connectors on my
daughters Nintendo than on the TRS-80.  And, of course, like the
PDP-11, today it is mostly done with emulators anyway.

bill
 

-- 
Bill Gunshannon          |  de-moc-ra-cy (di mok' ra see) n.  Three wolves
billg999@cs.scranton.edu |  and a sheep voting on what's for dinner.
University of Scranton   |
Scranton, Pennsylvania   |         #include <std.disclaimer.h>

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Thread

Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-03 12:51 -0500
  Re: Y3K for PDP-11 Operating Systems Henry Crun <mike@rechtman.com> - 2011-05-03 21:39 +0300
    Re: Y3K for PDP-11 Operating Systems onedbguru <onedbguru@yahoo.com> - 2011-05-03 15:52 -0700
      Re: Y3K for PDP-11 Operating Systems billig999@cs.uofs.edu (Bill Gunshannon) - 2011-05-04 00:07 +0000
        Re: Y3K for PDP-11 Operating Systems "Richard B. Gilbert" <rgilbert88@comcast.net> - 2011-05-04 01:16 -0400
          Re: Y3K for PDP-11 Operating Systems billg999@cs.uofs.edu (Bill Gunshannon) - 2011-05-04 13:01 +0000
            Re: Y3K for PDP-11 Operating Systems "Richard B. Gilbert" <rgilbert88@comcast.net> - 2011-05-04 10:19 -0400
              Re: Y3K for PDP-11 Operating Systems kludge@panix.com (Scott Dorsey) - 2011-05-04 10:58 -0400
              Re: Y3K for PDP-11 Operating Systems billg999@cs.uofs.edu (Bill Gunshannon) - 2011-05-04 16:33 +0000
                Re: Y3K for PDP-11 Operating Systems "Richard B. Gilbert" <rgilbert88@comcast.net> - 2011-05-04 21:51 -0400
                Re: Y3K for PDP-11 Operating Systems G Cornelius <cornelius@eisner.decus.org> - 2011-05-06 13:08 -0500
                Re: Y3K for PDP-11 Operating Systems "Richard B. Gilbert" <rgilbert88@comcast.net> - 2011-05-06 14:47 -0400
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@update.uu.se> - 2011-05-06 16:13 -0600
                Re: Y3K for PDP-11 Operating Systems Rich Alderson <news@alderson.users.panix.com> - 2011-05-07 21:00 -0400
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-07 19:51 -0600
                Re: Y3K for PDP-11 Operating Systems "Richard B. Gilbert" <rgilbert88@comcast.net> - 2011-05-08 07:19 -0400
                Re: Y3K for PDP-11 Operating Systems Rich Alderson <news@alderson.users.panix.com> - 2011-05-09 17:32 -0400
                Re: Y3K for PDP-11 Operating Systems Rob Brown <mylastname@gmcl.com> - 2011-05-09 09:40 -0600
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-09 09:43 -0600
                Re: Y3K for PDP-11 Operating Systems vandys@vsta.org - 2011-05-09 21:47 +0000
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-09 16:05 -0600
                Re: Y3K for PDP-11 Operating Systems vandys@vsta.org - 2011-05-09 23:05 +0000
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-09 17:20 -0600
                Re: Y3K for PDP-11 Operating Systems vandys@vsta.org - 2011-05-10 00:12 +0000
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-09 19:36 -0600
                Re: Y3K for PDP-11 Operating Systems glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2011-05-10 02:01 +0000
                Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 08:31 -0500
                Re: Y3K for PDP-11 Operating Systems John Wallace <johnwallace4@yahoo.co.uk> - 2011-05-10 09:56 -0700
                Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 12:50 -0500
                Re: Y3K for PDP-11 Operating Systems G Cornelius <cornelius@eisner.decus.org> - 2011-05-11 11:04 -0500
            Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-04 10:02 -0700
            Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-04 12:20 -0500
            [OT] Architectures, was: Re: Y3K for PDP-11 Operating Systems Simon Clubley <clubley@remove_me.eisner.decus.org-Earth.UFP> - 2011-05-04 17:23 +0000
            Re: Y3K for PDP-11 Operating Systems glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2011-05-04 18:10 +0000
              Re: Y3K for PDP-11 Operating Systems John Wallace <johnwallace4@yahoo.co.uk> - 2011-05-04 12:21 -0700
              Re: Y3K for PDP-11 Operating Systems MetaEd <metaed@gmail.com> - 2011-05-04 15:06 -0700
                Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-04 20:17 -0700
            Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 08:20 -0500
            Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 08:29 -0500
              Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-10 09:29 -0600
                Re: Y3K for PDP-11 Operating Systems G Cornelius <cornelius@eisner.decus.org> - 2011-05-10 12:16 -0500
            Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 12:45 -0500
              Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-10 15:34 -0600
            Re: Y3K for PDP-11 Operating Systems koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-05-10 12:58 -0500
              Re: Y3K for PDP-11 Operating Systems Johnny Billquist <bqt@softjar.se> - 2011-05-10 15:36 -0600

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