Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail 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: 4 May 2011 13:01:25 GMT Organization: Computing Sciences Dept., University of Scranton Lines: 66 Sender: bill@server2.cs.uofs.edu Message-ID: <92d114Fhm7U1@mid.individual.net> References: <4d99c3b6$0$23756$14726298@news.sunsite.dk> <4dc032d4$0$313$14726298@news.sunsite.dk> <7d287cc3-4605-49a0-826e-fb92fc14e98d@j28g2000vbp.googlegroups.com> <92bjl8F19sU1@mid.individual.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: individual.net OY/Z/S7617H5i+FNDLRzqQOM4LWibXS7jvqoFyspz06kEwu65Z Cancel-Lock: sha1:SBWbqsR+P1N5RIUjV/yYsGoVVVM= X-Newsreader: knews 1.0b.1 X-Face: #S"T9jP[OH$fbA-]+!@r#:cHoa=2+R{,NY(E9Mw0/G2D_((6`6R8@JjodwakR~(J?mCY+]yn//;$5;=/Gc'22VrB Xref: x330-a1.tempe.blueboxinc.net comp.os.vms:2668 comp.sys.dec:385 In article , "Richard B. Gilbert" writes: > On 5/3/2011 8:07 PM, Bill Gunshannon wrote: >> In article<7d287cc3-4605-49a0-826e-fb92fc14e98d@j28g2000vbp.googlegroups.com>, >> onedbguru writes: >>> On May 3, 2:39 pm, Henry Crun wrote: >>>> On 03/05/11 20:51, Bob Koehler wrote: >>>> >>>>> >Bob Koehler wrote: >>>> >>>>>>> In article, jjh 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 You obviously have not read the historical documents.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 I am curious, I have not read the historical documents.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. 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