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: 103376,6aa6d133611419f5 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-08-25 22:13:06 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!skynet.be!skynet.be!prodigy.com!newsmst01.news.prodigy.com!prodigy.com!postmaster.news.prodigy.com!newssvr12.news.prodigy.com.POSTED!not-for-mail From: "Pat Rogers" Newsgroups: comp.lang.ada References: <3D6688E1.3A1797CC@san.rr.com> <5ee5b646.0208241501.71259703@posting.google.com> <3D682CFF.21CE8F23@acm.org> <3D697A46.2D3679C3@adaworks.com> <3D697F0E.7D4C1E8E@san.rr.com> Subject: Re: Thought this was interesting X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Message-ID: NNTP-Posting-Host: 208.191.182.164 X-Complaints-To: abuse@prodigy.net X-Trace: newssvr12.news.prodigy.com 1030338743 ST000 208.191.182.164 (Mon, 26 Aug 2002 01:12:23 EDT) NNTP-Posting-Date: Mon, 26 Aug 2002 01:12:23 EDT Organization: Prodigy Internet http://www.prodigy.com X-UserInfo1: OP]QRACE[BWMQ_H]]ZN@_TDAYZOZ@GXOXZ^D]\YIJYWZUYICD^RAQBKZQTZTX\_I[^G_KGFNON[ZOE_AZNVO^\XGGNTCIRPIJH[@RQKBXLRZ@CD^HKANYVW@RLGEZEJN@\_WZJBNZYYKVIOR]T]MNMG_Z[YVWSCH_Q[GPC_A@CARQVXDSDA^M]@DRVUM@RBM Date: Mon, 26 Aug 2002 05:12:24 GMT Xref: archiver1.google.com comp.lang.ada:28405 Date: 2002-08-26T05:12:24+00:00 List-Id: "Darren New" wrote in message news:3D697F0E.7D4C1E8E@san.rr.com... > Richard Riehle wrote: > > The really interesting question about this article is, > > "How much of the code is written in Ada, if any?" > > Last I heard, it was all FORTH. But then, last I heard, they were still on > core memory, too. No, on-board shuttle flight software is mostly written in a very fine language named HAL/S. I wrote a few of the "HAL/S versus Ada" studies for NASA (concerning the space station) in the early 80's. Ada won, but no matter who wrote them they always started with "Well, HAL could do it, but..." PS: Hands up if you have a copy of Mike Ryer's book. Bonus points if you know what HAL stands for. :-) -- Patrick Rogers Consulting and Training in: http://www.classwide.com Real-Time/OO Languages progers@classwide.com Hard Deadline Schedulability Analysis (281)648-3165 Software Fault Tolerance