On Sat, 4 Oct 2003, Lucian wrote: > if(TXIF && TXIE) > { > led1_on(); > TXREG = sendbuffer[SendBufferPos]; > if ((++SendBufferPos)==MAXSENDBUFFER) SendBufferPos=0; > led1_off(); > } I don't see TXIE being disabled there. -- John W. Temples, III -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads