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From: jdb@mordor.s1.gov (John Bruner)
Newsgroups: comp.unix.questions
Subject: Re: foo?
Message-ID: <708@mordor.s1.gov>
Date: Wed, 7-Jan-87 16:08:37 EST
Article-I.D.: mordor.708
Posted: Wed Jan  7 16:08:37 1987
Date-Received: Wed, 7-Jan-87 23:24:39 EST
References: <246@polyslo.UUCP> <5426@brl-smoke.ARPA> <159@andromeda.UUCP> <15176@onfcanim.UUCP>
Organization: S-1 Project, LLNL
Lines: 12

> Then there's the apocryphal story about the PDP-11's sign extend
> instruction.  The mnemonic op code was, of course, SEX.  That one got
> changed to SXT before the manuals were printed.

The Motorola 6809 sign-extend instruction is SEX.

The PDP-11 may be SEXless, but it does have an SOB (Subtract One and
Branch).  [Most 11's do.  Old 11's without EIS don't.]
-- 
  John Bruner (S-1 Project, Lawrence Livermore National Laboratory)
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