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Re: Apple II Interrupt card
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In article <qvrea.184163$S_4.95904@rwcrnsc53>, @nospam.01@attbi.com <""> wrote:
>I would like to see a clock/calendar option to the ethernet card.
>A quick check and Dallas semiconductors has a chip DS1284 that would
>work with a little glue logic.
The 1-Wire interface I've designed includes pads for a DS2417. I'm
currently running the circuit on a breadboard, but I should have circuit
boards soon. It plugs into the joystick connector inside the computer.
(The minimum interrupt interval for the DS2417 is one second, though, so it
wouldn't be usable for generating the periodic interrupts a preemptive
multitasker needs.)
_/_ Scott Alfter
/ v \ salfter@salfter.dyndns.org
(IIGS( http://alfter.us Top-posting!
\_^_/ pkill -9 /bin/laden >What is the most annoying thing on Usenet?
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