Re: Fast copy routine needed

From: Pasi 'Albert' Ojala <>
Date: Tue, 25 Aug 2015 03:02:39 +0300
Message-ID: <>
On 08/24/15 23:32, Justin wrote:
> I have often wondered, but have never pursued, the possibility of compressing data on the processor in say a 1541 and then decompressing it on the 64 to get some more throughput.  The last time I poked at it, I found 6502 ASM for packing and unpacking with LZ4 on this guy’s site, and it is pretty small.
1) the methods are usually very asymmetrical (a lot of resources needed 
for compression, less for decompression)
2) most disk data is already compressed

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