🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.arch
Article #1731

Re: DECSYSTEM 20

#1731
From: Bill Pechter
Date: Wed, 02 Aug 1989 23:27
13 lines
1210 bytes
In article <cYpQ1UW00VoBE9OFsn@andrew.cmu.edu> jk3k+@andrew.cmu.edu (Joe Keane) writes:
>The 11 has its registers in _physical_ memory.  

I beg to differ -- the addresses are mapped to memory space but they're onboard
the cpu.  (Otherwise how would the 11/44 and 11/70 with multiple register sets
work if they were directly on the memory boards?)

Bill
-- 
Bill Pechter -- Home - 103 Governors Road, Lakewood, NJ 08701 (201)370-0709
Work -- Concurrent Computer Corp., 2 Crescent Pl, MS 172, Oceanport,NJ 07757 
Phone -- (201)870-4780    Usenet  . . .  rutgers!pedsga!tsdiag!scr1!pechter
  **   MS-DOS is CP/M on steroids, bigger bulkier and not much better  ** 
Technical Details
Message-ID: <443@scr1.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!tsdiag!scr1!pechter
References: <3256@wpi.wpi.edu> <EGDORF.89Jul21195924@zaphod.lanl.gov> <443@anasaz.UUCP> <BRUCE.89Jul23155646@heather.pooh.com> <3893@phri.UUCP> <433@scr1.UUCP> <976@mplvax.EDU> <441@scr1.UUCP> <cYpQ1UW00VoBE9OFsn@andrew.cmu.edu>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!tsdiag!scr1!pechter
From: pechter@scr1.UUCP (Bill Pechter)
Newsgroups: comp.arch
Subject: Re: DECSYSTEM 20
Message-ID: <443@scr1.UUCP>
Date: 2 Aug 89 23:27:10 GMT
References: <3256@wpi.wpi.edu> <EGDORF.89Jul21195924@zaphod.lanl.gov> <443@anasaz.UUCP> <BRUCE.89Jul23155646@heather.pooh.com> <3893@phri.UUCP> <433@scr1.UUCP> <976@mplvax.EDU> <441@scr1.UUCP> <cYpQ1UW00VoBE9OFsn@andrew.cmu.edu>
Reply-To: pechter@scr1.UUCP (Bill Pechter)
Organization: CONCURRENT COMPUTER,OCEANPORT NJ
Lines: 13