From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,e17a4d5bc0d42b86 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-02-05 12:58:33 PST Path: supernews.google.com!sn-xit-02!supernews.com!news.tele.dk!144.212.100.101!newsfeed.mathworks.com!cyclone.swbell.net!nnrp3.sbc.net.POSTED!not-for-mail From: "Pat Rogers" Newsgroups: comp.lang.ada References: <94vdt9$a2g1@news.cis.okstate.edu> <957b5d$fji6p$1@ID-25716.news.dfncis.de> <3A79FE73.3D7F12A0@home.com> <95da8h$13s$1@nnrp1.deja.com> <3A7F032B.380BD35D@averstar.com> Subject: Re: Ada and JVM? Why not AdaVM? X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Message-ID: Date: Mon, 5 Feb 2001 14:58:31 -0600 NNTP-Posting-Host: 208.191.184.67 X-Complaints-To: abuse@swbell.net X-Trace: nnrp3.sbc.net 981406712 208.191.184.67 (Mon, 05 Feb 2001 14:58:32 CST) NNTP-Posting-Date: Mon, 05 Feb 2001 14:58:32 CST Organization: SBC Internet Services Xref: supernews.google.com comp.lang.ada:4948 Date: 2001-02-05T14:58:31-06:00 List-Id: "Tucker Taft" wrote in message news:3A7F032B.380BD35D@averstar.com... > Robert Dewar wrote: > > The i432 was a very odd design, which was certainly not done > > with Ada in mind (not clear *what* was in mind, this chip was > > doomed to fail, since it was impossible to implement > > efficiently). ... > > Nothing could have rescued it in my opinion. The design had the > > appearence of being done by high level language folks with no > > view of what could be implemented efficiently. There was really > > nothing specifically Ada about the design. > > I thought the 432 was an attempt to implement many of the > ideas of the capability-based Hydra operating system in hardware. That's what Elliott Organick's book* indicates (pg. 12). We had the pleasure of experimenting/exploring/playing with one of them, back in the very early 1980's. An interesting machine with some unusual Ada extensions, but I would not have wanted to do serious development with it. * E. Organick, A Programmer's View of the Intel 432 System, Aloha, Oregon: Intel Corporation, 1983.