Re: Eudora Source Code Released

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#623559

From: Gene Wirchenko
Date: Mon, 28 May 2018 02:53

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On Sat, 26 May 2018 21:15:30 -0500, Charles Richmond
<nume...@aquaporin4.com> wrote:

>On 5/26/2018 7:41 PM, Gene Wirchenko wrote:
>> On Fri, 25 May 2018 15:46:15 -0000 (UTC), pechter@ascii.(none)
>> (William Pechter) wrote:
>> 
>> [snip]
>> 
>>> I'm still surprised the VAX 11/780 had the Failed Unibus Address
>>> Register when the PDP11 couldn't have a SEX instruction (replaced with
>>> Sign ExTend (SXT)  -- the PDP11/34 still had the SEX Multiplexer on the
>>> board.
>> 
>>       Maybe, the B was missed.
>> 
>>       These days, someone might have tried for a SEXT instruction or
>> pronouncing "SXT" that way.

>Extended PDP-11 instruction sets included an SOB (subtract one and 
>branch) instruction.  The Motorola MC6809 had a SEX (sign extend) 
>instruction and the RCA 1802 had a SEX (set index register) instruction.

     SOB got mentioned in the Colossal Cave adventure.

>And don't forget the Power PC chip (PPC) instruction EIEIO (enforced 
>in-order execution of I/O.

     I knew about all of these.  I wonder if there are any others.

Sincerely,

Gene Wirchenko

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From: Gene Wirchenko <ge...@telus.net>
Newsgroups: alt.folklore.computers
Subject: Re: Eudora Source Code Released
Date: Sun, 27 May 2018 19:53:48 -0700
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