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Important Note

This version of MacBS2 will not run on Mac OS X 10.7 (Lion) or later.

MacBS2 uses a software library provided by Parallax to compile your source code to something a BS2 chip can run. This library (called the 'Tokenizer' by Parallax) is available as a PowerPC library only, so linking to it requires the application (MacBS2) to be PowerPC as well.

There is no PowerPC support on Lion, therefore this version of MacBS2 cannot run on Lion.

An experimental but incomplete version of MacBS2 is available that does run on 10.7 (Lion) and later, courtesy of the folks at Parallax who have made a preliminary and experimental Intel compatible version of their tokenizer code available (thank you Jeff!). Please note and heed the caveats on the download page.

I got tired of having to run Virtual PC to program Stamp chips, and Parallax finally released a PBasic tokenizer library for the Mac. So I wrote a Stamp programming app for Mac OS X. It works. And you can use it with either the DB9 equipped Keyspan serial adapters (USA19, USA19x, etc.) or the Keyspan with the two small round connectors (USA28, USA28x, etc.). It also works with FTDI chip based adapters and Parallax' USB Board of Education (but see this FAQ).

system requirements

  • Parallax BS2, BS2e, BS2p, BS2p40, BS2pe, or BS2sx Basic Stamp chip
  • Mac OS X 10.4 (Tiger) through Max OS X 10.6 (Snow Leopard)
  • If you're using an RS-232 based board, the Keyspan USB to Serial adapters (either the USA-19 family or the USA-28 family) have been tested and are known to work. You'll need version 1.4 or newer of the Keyspan driver (works with both adapters, download it here)

    keyspan adapters.

    Here is a table of other serial adapters I have tried.
  • If you're using Parallax' new USB Board of Education, or an FTDI based USB-Serial adapter, see this FAQ