Table of Contents

HOWTO: build a WP-34s load to burn into an HP20b/30b


Intel box running Windows XP SP3.

I do have a Vista laptop and Windows 7 netbook at home, but I haven't tried it on them yet.


First, install the tools required for building a windows emulator

In order to build the calc.bin flash file from the same source tree, you will need to install:

  1. MinGW - install C and MSYS: provides a gcc compiler and make tools for windows.
  2. “Yet Another GNU ARM toolchain” - install the “YAGARTO GNU ARM toolchain” package for the ARM cross-compiler.


Follow the instructions for setting the source code

You will find your calc.bin and calc-full.bin in the realbuild directory to flash your calculator. To *update* your WP-34s: