Re: Copy II Plus would be illegal today

[russotto@wanda.pond.com (Matthew Russotto)]

In article <20011218153850.12961.00000863@mb-cu.aol.com>,
Michael J. Mahon <mjmahon@aol.com> wrote:
>Matthew Russotto wrote:
>
>>There were a few cards of this type.  Some even saved the contents of
>>memory to their own on-board memory.
>
>Any card that wanted to capture _all_ of memory has to have some
>on-board memory, since it's impossible to communicate with the
>operator of the Apple without changing Apple memory in some way--
>the screen memory comes immediately to mind.  And a number of
>programs put critical code/data in screen memory while running just
>to thwart simple IRQ attacks.

IRQ?  Try NMI. My point was that some of the cards saved the
contents of memory _entirely_ to their own on-board memory.
-- 
Matthew T. Russotto                                mrussotto@speakeasy.net
=====
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