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Creating ROM image files of an HP-41 module

Posted by Juergen Keller on 9 Aug 2011, 4:55 p.m.

This is the procedure I use to dump a HP-41 module to .rom files (which then can be used, e.g, to burn a Clonix). Note that there are many other ways to do it ...

  1. Requirements
  2. Preparations
    1. Insert the module to dump (and any other modules needed by your setup, e.g. Clonix) into the HP-41.
    2. Connect the PIL-Box to the PC, and the HP-41 to the PIL-Box.
  3. Dump all pages of the module to a LIF file
    1. Run ILPer (select mass storage LIF file, appropriate port and baud rate) and start the PIL-Box interface.
    2. Turn on the HP-41.
    3. Enter a file name for the page into the ALPHA register.
    4. Enter the page number (8-15) into the X register.
    5. Execute the SAVEROM function (or WRTPG, WRTROM, ...).
    6. Repeat steps 3 to 5 for all pages of the module.
    7. Stop the PIL-Box and quit ILPer.
  4. Extract all pages of the module from the LIF file and convert them to ROM files
    1. Open a command prompt.
    2. Run Hpdir -extract <file> <page>, where <file> is the name of the LIF file (as specified in step 3.1) and <page> is the name of the page (as entered in step 3.3).
    3. Run lif2rom <page>.#e070 <name>.rom.
    4. Repeat steps 2 to 3 for all pages of the module.

Any comments are welcome.


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