Re: C64C case production molds resurfaced

From: David Wood <jbevren_at_gmail.com>
Date: Wed, 4 Mar 2015 14:41:50 -0500
Message-ID: <CAAuJwirpav4ZwfvWk+NH_=UmmfjKz_Zp=2JMhLdLQDLd=x+oyA@mail.gmail.com>
I've heard of (but not seen in the wild) a method to separate the shiftlock
key from left shift.  As I remember, if you drive the line for shift
against the key, the resistive element of the left shift key will read
true, while the shift lock key's switch will not.

On Wed, Mar 4, 2015 at 2:36 PM, Jim Brain <brain@jbrain.com> wrote:

> On 3/4/2015 1:34 PM, Gerrit Heitsch wrote:
>
>> On 03/04/2015 08:23 PM, Jim Brain wrote:
>>
>>> On 3/4/2015 1:20 PM, 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)?
>>>
>>
>> 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.
>>
>>  Gerrit
>>
>>
>>
>>       Message was sent through the cbm-hackers mailing list
>>
> That is true, but I didn't know of a title or util that leveraged that.
>
> Jim
>
>
> --
> Jim Brain
> brain@jbrain.com
> www.jbrain.com
>
>
>
>       Message was sent through the cbm-hackers mailing list
>


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Received on 2015-03-04 20:03:34

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