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Software-wise, I never got around to publishing more than the
assembly-language 1-Wire primitives needed to read the temperature sensor
and real-time clock hanging off the aforementioned interface board.  The
higher-level functionality was mostly in BASIC, with a few assembly-language
speedups here and there.  For the most part, it's worked well for the past
four years, but parts of the program (especially screen updates and 1-Wire
device enumeration) were slow.

I've rewritten the entire package in a mix of C and assembly now, using cc65
(http://www.cc65.org/) to cross-compile.  Once I had some toolchain
installation problems sorted out, the rest of the project came together
pretty nicely over the course of maybe 2-3 weeks of evening hacking.

It's here if you want to take a look:

http://alfter.us/files/a2bfc-1.0.tar.gz

The (native-build) 1-Wire routines on which this project was based are still
available if you prefer to do your coding on the II:

http://alfter.us/files/onewire.1.0.bxy

My other Apple II stuff is here:

http://alfter.us/a2soft.shtml

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