> I'm not that sure that an overrun is really physically occurring (I do > believe the bit is set because clearing it makes things work) but I > can't think of a way to prove it. Add a test on the OERR bit ? Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist