Re: C64C case production molds resurfaced

From: silverdr_at_wfmh.org.pl Date: Wed, 04 Mar 2015 20:41:42 +0100 Message-ID: <54F75FF6.2030105@wfmh.org.pl>

On 2015-03-04 20:34, Gerrit Heitsch wrote:

>>> The CIAs are not as easy to implement as one would expect. Digitally
>>> yes, but then there's the analog side (the way the output drivers
>>> behave) that will be hard to duplicate with todays technology. Some
>>> programs use that with the CIA for the keyboard.
>> Example(s)?

Exactly my thought..

> Don't have one at the moment.. It was a while ago we were discussing
> that in the forum64.de and someone mentioned that multiple key presses
> together with the resistance of the keyboard itself would be detected
> differently depending on the output driver technology. Someone else
> mentioned examples.

I'd be surprised if a program could rely on the keyboard's resistance, 
which itself is unreliable and varying over time. Rather thin ice to 
depend on /me thinks.

-- 
SD!

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