The Museum of HP Calculators
HP Forum Archive 16
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|HP9800 Emulator Release 0.21|
Message #1 Posted by Achim (Germany) on 22 Dec 2006, 1:31 p.m.
Dear friends of HP calculators,
a new release of HP9800E is avialable from
This release 0.21 contains mainly bug fixes.
|Re: HP9800 Emulator Release 0.21|
Message #2 Posted by Devon Sean McCullough on 28 Dec 2006, 1:00 a.m.,
in response to message #1 by Achim (Germany)
Awesome work! What kind of logic analyzer do you use? Got enough channels to snarf the microcode? I'd love to emulate that and it might yield waveforms to help bring my 9830A out of a coma. A high school friend read the ROM macrocode by manipulating COM variables in BASIC, we never saw those patents but we did know HP2100 code, nearly identical. He wrote it up as a science fair project, the judges didn't get it but he got into MIT.
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