>For the more advanced guessers: why does the ASCII character >DEL have the value 0x7F, and what is its exact meaning? Because you could hand punch a paper tape to the DEL character, whatever it was before. I believe there were metal guides that you could clip on the tape to do this, but don't ever recall seeing one in the flesh. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist