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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.

You and Eric did a great job!