Re: SuperCPU for my C64 and C128

From: groepaz_at_gmx.net
Date: Tue, 24 Jul 2018 00:54:16 +0200
Message-ID: <5290099.gniCKtNmoh@rakete>
Am Dienstag, 24. Juli 2018, 00:48:19 CEST schrieb Mia Magnusson:

> > I don't know how many 6510 demos use illegal opcodes, but none of my
> > old demos used them though.
> 
> Some of the illegal op codes kind of begs to be used though. I
> understand that few used them back in the days as noone knew if there
> would be a C64-II that didn't implement them, and there were no easy
> way to check if they do work on many different C64's. But nowdays there
> won't be any new C64 without them and it's well known that they exist
> in every C6t4.

back in the days they were also used a LOT - mostly for obfuscation in 
original games (in their copy protection)

-- 

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PROGRAM n. A magic spell cast over a computer allowing it to turn one's input 
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Received on 2018-07-24 01:00:44

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