On Tue, May 13, 2008 at 11:32:55PM -0400, DavidCOU@aol.com wrote: > But, on the next Byte received (or in the Test IOC); I do not see where the > STATE is cleared in the INT version. > > I do see your foreground remnant does clear the STATE though. The state variable is cleared in the "receive" routine. But this isn't too important: I'm testing the transmit code and it is this that isn't working. The receive stuff can wait. :) I have two transmit routines, one which works and the other doesn't. I don't know why the interrupt version doesn't work and I hope someone can show me the error. Thanks. Matt -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist