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: 103376,5bc50d91d556000f X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-07-06 03:36:06 PST Path: archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!skynet.be!dispose.news.demon.net!demon!diablo.netcom.net.uk!netcom.net.uk!btnet-peer!btnet-peer0!btnet!news5-gui.server.ntli.net!ntli.net!news2-win.server.ntlworld.com.POSTED!not-for-mail From: "chris.danx" Newsgroups: comp.lang.ada References: <3b448a6d@news.iprimus.com.au> <5ee5b646.0107051351.14892b2@posting.google.com> Subject: Re: hypothetical question MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit 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: Fri, 6 Jul 2001 11:32:05 +0100 NNTP-Posting-Host: 62.252.149.59 X-Complaints-To: abuse@ntlworld.com X-Trace: news2-win.server.ntlworld.com 994415455 62.252.149.59 (Fri, 06 Jul 2001 11:30:55 BST) NNTP-Posting-Date: Fri, 06 Jul 2001 11:30:55 BST Organization: ntlworld News Service Xref: archiver1.google.com comp.lang.ada:9540 Date: 2001-07-06T11:32:05+01:00 List-Id: > > Also you can't just do an OS in Ada, at some point there has to be > > some Asm though it may just be one or two lines to invoke task > > switching etc. > > nope, once you have your low level Ada compiler bootstrapped then > you can do the operating system task switching entirely in terms > of Ada task switching. Thinking you have to use ASM to do task > switching is exactly like thinking you have to use ASM to do a > hardware addition. Yes, there is a bootstrap problem, but given > Ada compilers on other machines, that is easily solvable. I didn't know that, thanks. Chris