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42 Family |
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The "42" family has unfortunately not grown over the years and only one clone has appeared since..
But fortunately the DM42 allows transfer to/from a PC and two emulators can share programs compiled in "raw" format.
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The HP-42S comes back to life today thanks to the DM42 from SwissMicros and from 2 emulators.
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the original calculator : |
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Original HP-42S (1988) whose programs cannot be saved or loaded onto external media, only printing on a HP82240B printer is possible.
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HP-42S
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the clones : |
DM42
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SwissMicros : DM42
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Riker2072 : 42LC
... the small 42LC also completes the 42S range.
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42LC
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the emulators : |
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on Android : Free42 and EMU42
on Windows : Free42 and EMU42
But also :
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The interest that can be found in all these variations of HP-42S comes from being able to transfer programs from one calculator, or pseudo-calculator, to another.
But the original calculator HP-42S, not being able to receive programs from others, is excluded from this circle of interest.
The only possible input/output file format for the Free42 and Emu42 emulators as well as the DM42 is the compiled format " raw".
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To convert HP-42S programs from TXT format to RAW (or vice versa ) towards the other several solutions exist:
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 the HP41UC program by Leo Duran is a Barcode Converter / Compiler / Decompiler / Generator that supports different formats :
RAW : compiled program for emulators and DM42
TXT : source program (text)
This very well documented executable is used in command mode.
But this utility being intended for HP-41 programs, it will be necessary to provide a conversion to the "raw" format for HP-42S via the RAW42 tool of HrastProgrammer.
This solution being limited to the use of rudimentary HP-41C/HP-42S compatible instructions and excluding the use of HP-41-C module instructions.
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The Win41UC by Ulisse Quadri offers a Windows interface (in VB5) allowing easier use of HP41UC
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The programs RAW2TXT
and TXT2RAW
by Thomas Okken allows you to convert HP-42S programs from one format to another.
from HP-42S source programs in TXT to compiled programs (RAW)
from compiled programs (RAW) to HP-42S source programs in TXT.
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The web interface DM42 programming tool from Swissmicros allows you to generate :
compiled programs (RAW) from HP-42S source programs in TXT
or
HP-42S source programs in TXT from compiled programs (RAW).
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It is therefore possible to use the same HP-42S program on the DM42 calculator or the Free42 and EMU42 emulators without having to re-introduce the program step by step in each or every one of them.
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HP 42S - HPmuseum...![](javascript:document.dessin.src="../galerie/hp42/HP-42S.jpg"; voirPhoto(435,300);)
![](javascript:document.dessin.src="../galerie/hp42/DM42.jpg"; voirPhoto(435,400);)
![](javascript:document.dessin.src="../galerie/hp42/42LC.jpg"; voirPhoto(580,800);)
![](javascript:document.dessin.src="../galerie/hp42/Android_FREE42.jpg"; voirPhoto(400,800);)
![](javascript:document.dessin.src="../galerie/hp42/Android_HP42S.jpg"; voirPhoto(400,800);)
![](javascript:document.dessin.src="../galerie/hp42/win_FREE42.jpg"; voirPhoto(400,800);)
![](javascript:document.dessin.src="../galerie/hp42/win_EMU42.jpg"; voirPhoto(400,800);)
![](javascript:document.dessin.src="../galerie/hp41/WIN41UC_1.jpg"; voirPhoto(502,1600);)
![](javascript:document.dessin.src="../galerie/hp42/txtraw.jpg"; voirPhoto(460,2050);)
![](javascript:document.dessin.src="../galerie/hp42/dm42tool.jpg"; voirPhoto(689,1600);)
