You can now download a copy directly from this web page. It's good form to give credit where credit is due, but even that is not required. Automatic baud rate detection code which attempts to avoid detecting the baud rate on characters other than the carriage return. No modification is necessary. They are also available in this ZIP archive for easier downloading.
Documentation is now paritally on-line.
Nearly everything has been rewritten and improved. Version 2.1 changes Flash ROM support to 39F512. The older 28F256 is now and obsolete part. Fits in either 4k or 8k. The disassembler, single-step execution, and fancy external memory editor are omitted for the 4k version.