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From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Past Blast - "Wonder Woman 1984" - Corp Guy Using PET
Date: Sun, 6 Apr 2025 01:53:22 +0100
Organization: A little, after lunch
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On 06/04/2025 01:14, Robert Riches wrote:
> On 2025-04-05, c186282 <c186282@nnada.net> wrote:
>> ...
>>
>>     I still see debate over whether the 6502 was 'better'
>>     than the 6809. The 6502 was envisioned as the 'improved'
>>     6809 by the Motorola defectors - and in some ways was.
>>     However they also left out some registers that were
>>     convenient to compiler writers. So, no verdict.
> 
> I don't have chapter and verse to quote, but back in the day I
> was told that the original design of the 6502 _WAS_ superior to
> the 6809, but Motorola sued on a basis of IP theft or similar,
> and the 6502 was dumbed down by removing registers and/or
> crippling the indexing modes.  One of the first things that
> struck me about the 6502's indexing and other addressing modes
> was that it looked/smelled crippled.
> 
> Around 1980 or so, I had a short assembly program for 6502.  It
> may have been a college assignment.  Just for fun, I rewrote it
> for 6800 and then for 6809.  Then, I counted the number of
> instructions in all three versions.  The 6800 version used 2/3
> the number of instructions as the 6502 version.  The 6809 version
> used half of the instructions of the 6502 version.
> 
....but the 6502 ran faster

-- 
"In our post-modern world, climate science is not powerful because it is 
true: it is true because it is powerful."

Lucas Bergkamp