Is it possible to connect the HP-41 to the HP-71 in any useful way? If so, why? And how?
Connecting the HP-41 to the HP-71... Why? How?
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09-05-2011, 01:24 PM
09-05-2011, 01:58 PM
Yes it's possible through HP-IL, of course. HTH
09-05-2011, 02:33 PM
The 41C can't yield control of the loop, which is why you need CONTROL OFF on the 71B. Why connect any two machines? If you were actually using them in the lab or the field, I supposed uploading data captured by the 41 to the 71 for processing might make sense, but I don't pay attention to practicality. I do stuff like that because I'm crazy ... for the old calculators. :)
09-05-2011, 03:04 PM
Quote: "In any useful way" would include any insane reason as long as it makes one happy (which is useful). Yep, my calcs are solutions in search of problems :)
09-05-2011, 04:17 PM
I've done it, for work, although now I can't remember what the situation was. I wish they had continued with HPIL. Its incredible intelligence and flexibility were not in any conflict with the performance increases that could have been made for today's higher-volume data applications.
09-05-2011, 04:37 PM
Any example of programs/usages?
09-05-2011, 07:17 PM
Yes, With Raymond's example above: - I PRP the 41 program I want to use up to the Hp-71. - The resulting text file is then post-processed by the 41 emulator. - From there, the program can be stored and expanded beyond the original Hp-41 capabilities (memory size, display...). It will then be executed through the Forth engine and with the HP-71B great display. Etienne
Edit: Any synthetic programming will not work through this process, just plain FOCAL. Edited: 5 Sept 2011, 7:18 p.m.
09-06-2011, 05:19 AM
With the 'Devil' ROM the HP41 may act as an "IL-sniffer" in the loop. Ciao.....Mike
09-06-2011, 10:52 AM
Yes, some creepy experiments can be found here ... http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv019.cgi?read=148323 Raymund |
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