The HP-IL module contains a microcontroller which interacts with the HP-71B's Saturn processor via a "mailbox" which is memory-mapped in the latter's address space.

The HP-71B was a hand-held computer or calculator programmable in BASIC, made by Hewlett-Packard from 1984 to 1989. Smaller and less expensive than the preceding model HP-75, the …

It can be driven by any HP-IL controller such as the HP-41C or the HP-71B. The PIL-IO board is intended to be used by electronic hobbyists and aims to be a substitute to the old HP82166A …

It enabled many devices such as printers, plotters, displays, storage devices (floppy disk drives and tape drives), test equipment, etc. to be connected to programmable calculators such as …

2015年12月21日 · Small sized and battery powered for maximum portability. A special calculator mode for performing sophisticated computations while viewing intermediate results. A powerful …

Advanced communication between HP-71B handheld computers over Hewlett-Packard Interface Loop. Low cost, low power, low speed, two wires serial interface. Loop (aka ring) network …

I managed to get the HP-71B Math Pac image into a free RAM port of my real HP-71B. Here is what I did. A HEX editor on your desktop machine. The ROM module contains a protected file …

Unlike the HP-75 or HP-41, the HP-71B could also act as a device in an HP-IL loop controlled by another device, allowing several of them in the same loop, communicating with each other (or …

Emu71/DOS is a software emulator of the HP-71B machine and HP-IL system. It runs under DOS or in a command box under various 32-bit Windows (95,98,2000,NT,...). It can run on 64-bit …

Free download of a grayscale scan of the English-language document 'The HP-IL System: An Introductory Guide to the HP Interface Loop' by Gerry Kane and Steve Harper, which is a …