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=0.2 required=5.0 tests=BAYES_00,INVALID_MSGID, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,99e2dadd49ce1936 X-Google-Attributes: gid103376,public X-Google-Thread: 109fba,99e2dadd49ce1936 X-Google-Attributes: gid109fba,public X-Google-Thread: 107d55,99e2dadd49ce1936 X-Google-Attributes: gid107d55,public X-Google-Thread: 1108a1,99e2dadd49ce1936 X-Google-Attributes: gid1108a1,public X-Google-Thread: f8131,eb3e9661312f3b5e X-Google-Attributes: gidf8131,public X-Google-Thread: 101deb,bae41b8b09f58ec1 X-Google-Attributes: gid101deb,public From: Bob Halpern Subject: Re: Exception Handling Date: 1996/09/24 Message-ID: <3247E388.243A@ix.netcom.com>#1/1 X-Deja-AN: 185031690 distribution: inet references: <323750EA.167E@maths.usyd.edu.au> <51jtet$16qc@watnews1.watson.ibm.com> <525m1s$jvh@goanna.cs.rmit.edu.au> content-type: text/plain; charset=us-ascii organization: CPU x-netcom-date: Tue Sep 24 6:35:50 AM PDT 1996 mime-version: 1.0 reply-to: wumpus@ix.netcom.com newsgroups: comp.object,comp.lang.java.tech,comp.lang.c++,comp.lang.ada,comp.lang.asm370,comp.lang.pl1 x-mailer: Mozilla 3.0b8Gold (Win95; I) Date: 1996-09-24T06:35:50-07:00 List-Id: Robin Vowels wrote: > >|> Where did the concept of exception handling originate ? For example, > >|> which languages were first to support this, or which papers first > >|> proposed exception handling ? > > The IBM System 360 (c. 1965) had an interrupt system that could > trap a range of computational conditions (division by There was hardware and software for exception handling that predated the 360. The 7740 communications processor had several levels of interrupt (exactly like a PSW), had vectors to tell the software what happened (exactly like a CSW), additional PSWs for low storage, errors, etc.