The Museum of HP Calculators

HP Forum Archive 18

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HP-67 ROM simulator with card reader
Message #1 Posted by Jacques Laporte on 22 Jan 2008, 8:31 a.m.

What's new on my site? : http://jacques-laporte.org

I started the HP-67's ROM exploration, in collaboration and with the help of Eric Smith : http://nonpareil.brouhaha.com/

A Java simulator is running the HP-67 micro-code saving & loading data and program from text files, simulating magnetic cards.

You can trace the R/W routine and study how the Card Reader Circuit (CRC) is cooperating with the firmware.

http://www.jacques-laporte.org/upcoming.htm

Enjoy and please give feedback.

      
Re: HP-67 ROM simulator with card reader
Message #2 Posted by Klaus on 23 Jan 2008, 7:01 a.m.,
in response to message #1 by Jacques Laporte

You and Eric did a great job!


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