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From: jms@tardis.Tymnet.COM (Joe Smith)
Newsgroups: comp.compression
Subject: Re: Fast memory copy for 68000.
Summary: It's been done before.
Keywords: 68000 fast memory block copy
Message-ID: <1941@tardis.Tymnet.COM>
Date: 18 Jun 91 01:26:57 GMT
References: <845@spam.ua.oz>
Reply-To: jms@tardis.Tymnet.COM (Joe Smith)
Organization: BT Tymnet, San Jose, CA
Lines: 17

In article <845@spam.ua.oz> ross@spam.ua.oz.au (Ross Williams) writes:
>Compressor heads who are using the 68000 version of LZRW1 or who want
>a 68000 fast memory block copy (using unrolled loops and so forth) may
>be interested in my fast block memory routine written in 68000 machine code.

Isn't this called "re-inventing the wheel"?

How is your code better than the other 97 implementations of
"fast block copy"?  It's been about 10 years since the idea of
using MOVEM.L in an unrolled loop was invented; have you compared
your implementation to the standard routines?

-- 
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