Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!rutgers!mit-eddie!genrad!decvax!ucbvax!cbatt!ihnp4!alberta!bjorn From: bjorn@alberta.UUCP (Bjorn R. Bjornsson) Newsgroups: comp.arch Subject: Re: Architecture upgrade Message-ID: <167@pembina.alberta.UUCP> Date: Mon, 22-Dec-86 23:35:23 EST Article-I.D.: pembina.167 Posted: Mon Dec 22 23:35:23 1986 Date-Received: Tue, 23-Dec-86 22:36:29 EST References: <112@bnr-vpa.UUCP> <9200002@rmi.UUCP> <193@drilex.UUCP> <166@pembina.alberta.UUCP> Organization: U. of Alberta, Edmonton, AB Lines: 11 In article <166@pembina.alberta.UUCP>, I wrote: > If RTI / RTT had trapped mode changes, or simply been left > unimplemented, you could have written or ported real PDP-11 > operating systems to run on the VAX. Come to think of it, this was probably intentional, just so that PDP-11 operating systems could not be ported to the VAX. Brilliant! Bjorn R. Bjornsson alberta!bjorn