HP-91 ROM
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07-01-2017, 07:38 PM
Post: #1
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HP-91 ROM
For the first time I extracted the original HP-91 ROM code from the calculator.
I did not own an HP-91, but reading its ROM from an original machine was possible due to a friendly member, who gave me his HP-91 some weeks ago for this purpose. Surprisingly it has only 3k words including the printer firmware. But without card reader and being a "non programmable" machine, this is obviously sufficient. https://drive.google.com/open?id=0Bwx8KU...VlwY0NRdFE The HP-91 is the Low End desktop printer calculator of the "Topcat" models. Any HP-92 for me? Bernhard That's one small step for a man - one giant leap for mankind. |
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