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October 7, 2025

BrickBot/getROM: Tools and utilities from dumping the ROM from an RCX, which is then often used by RCX emulators.
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getROM

Tools and utilities from dumping the ROM from an RCX, which is often then used by RCX emulators.

Obtaining a ROM Image

Based on both original instructions posted here and accessed via archive.org
as well as more recent documentation (plus a patch file) posted on the RCXSimulator site.

Here is one set of steps you might follow to obtain an image:

  1. Get and compile send.c.
  2. Get firm0309-modToGetROM.srec. You can have a look at the diff getROM.diff.
  3. Download the new firmware file to the RCX. with nqc for example nqc -firmware firm0309-modToGetROM.srec
  4. Get and perhaps edit getrom.pl. As is, this program assumes you are running under some flavor of Unix and that you have Perl 5 installed. It also assumes that the send program is in your path.
  5. Run getrom.pl and redirect its stdout to a file. When getrom.pl completes, this file should contain an image of the ROM in s-record format.
  6. Don't forget to reinstall the normal firmware once you've got your ROM image.