Path: 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> <443@anasaz.UUCP> <3893@phri.UUCP> <433@scr1.UUCP> <976@mplvax.EDU> <441@scr1.UUCP> Reply-To: pechter@scr1.UUCP (Bill Pechter) Organization: CONCURRENT COMPUTER,OCEANPORT NJ Lines: 13 In article 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 **