Re: Sudoku puzzle solver for Apple II

[pausch@saaf.se (Paul Schlyter)]

In article <yvOdnYZ_3_3jFivZnZ2dnUVZ_sSdnZ2d@comcast.com>,
Michael J. Mahon <mjmahon@aol.com> wrote:

> Paul Schlyter wrote:
>> In article <NpidnWmquZS-5ijZnZ2dnUVZ_qOdnZ2d@comcast.com>,
>> Michael J. Mahon <mjmahon@aol.com> wrote:
>> 
>> A 6502 assembly language programmer using 65C02 specific ops would be
>> compared to one who uses an original 6502 and there utilizes the
>> undocumented 6502 ops which certainly will fail on a 65C02.  And for
>> the same reason: marginal speed and space advantages.
> 
> An interesting comparison.
> 
> While quite different in circumstance (since, at least early in the
> cycle one might assume that the legitimate extended variant of an old
> standard will itself become the "standard"), I do agree that the results
> of such "standard-splintering" events is quite similar.  They fragment
> the market with potentially negative results.
> 
> An example I am too familiar with is Appleworks.  By version 3.0, it
> was the most widely used integrated package in the world, and had
> become a "platform" for applications in its own right.  Then, as the
> Apple II market was losing momentum, two new versions were introduced
> (4 and 5), and, while they never became the dominant version, they did
> serve to splinter the Appleworks market, so that the cohesion and
> synergy was effectively lost.  It was all downhill from there.
> 
> Of course, the Appleworks community was destined to decline anyway
> as the hardware platform fell behind, but the Appleworks "improvements"
> actually hastened the disintegration of its community.
> 
> In a world where models become obsolete and are either retired or
> replaced by newer models, the older standard simply vanishes from
> the stage, and the "evolution with backward compatibility" model
> works well enough.
> 
> But in the case of retrocomputing, older models *never* disappear,
> so writing for the lowest common denominator *where practical*
> should be the rule.

Quite true!

Anyone got a sudoku solver for the ENIAC?  I'd like to try to run it on
this ENIAC simulator:   http://page.mi.fu-berlin.de/~zoppke/eniac/

An Apple II emulator for the ENIAC will be ok too...

:-)


> -michael
> 
> Fast Sudoku solver for Apple II's!
> Home page:  http://members.aol.com/MJMahon/
> 
> "The wastebasket is our most important design
> tool--and it's seriously underused."
-- 
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