2100 Computer Micro programming Guide

YEAR: 1971
ITEM: Manual/User's Guide
COMPANY: Hewlett Packard
COUNTRY: USA
IN OUR COLLECTION: Yes
This handbook is a complete guide to micro programming for the Hewlett-Packward 2100 Computer. With the information given here, you will be able to expand the already powerful capability of your 2100 by adding custom-tailored instructions to the existing set of micro programmed operations. This capability of expanding the Central Processing Unit, in addition to the extraordinary expansion features of the memory and I/O sections, contributes to the total flexibility and unusual adaptability of the 2100. Essentially, this handbook is self-contained. Micro-assembler documentation is required in order to format and assemble micro-programs correctly.
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Documents
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OUR DEFINITIONS OF RARITY
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Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
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Available:Can be commonly be purchased.
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(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)







