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From: jbickers@templar.actrix.gen.nz (John Bickers)
Newsgroups: comp.sys.amiga.advocacy
Subject: Re:  8-bit death
Message-ID: <3515.tnews@templar.actrix.gen.nz>
Date: 10 May 91 07:08:12 GMT
References: <2945.tnews@templar.actrix.gen.nz> <mykes.2364@amiga0.SF-Bay.ORG> 
 <3474.tnews@templar.actrix.gen.nz> <1991May9.191412.15264@midway.uchicago.edu>
Organization: TAP, NZAmigaUG.
Lines: 24

Quoted from <1991May9.191412.15264@midway.uchicago.edu> by jcav@quads.uchicago.edu (john  cavallino):

> As I understand it, the TRAPn instructions were specifically intended by
> Motorola to be used to invoke the operating system.  After all, there are

    Perhaps they were thinking of dishwasher OSes, or something. Trying
    to compete with Intel for the dishwasher OS market... :)

> entries in the vector table.   What's REALLY wierd is the Macintosh

    [Still Pascal?]

> operating system, which uses the MC680x0 A-line unimplemented instructions
> as the OS interface, with the routine index and various flags encoded into
> the instruction word.

    Well, the ST thing has desensitized me, otherwise I'd fall over
    backwards laughing at this one. I guess this is well hidden by Mac
    C compilers etc.

> John Cavallino                      |     EMail: jcav@midway.uchicago.edu
--
*** John Bickers, TAP, NZAmigaUG.        jbickers@templar.actrix.gen.nz ***
***         "Endless variations, make it all seem new" - Devo.          ***