After realizing that Pebbles is probably 60-70 years old by now ...
I'm not so interested in BAMBAM anymore.

The name has been changed to MIBAM. (Mirror Imaged Bit Angle Modulation)

And the code for PicBasic Pro is now available here ...
http://www.picbasic.co.uk/forum/showthread.php?t=10564

Cheers,