If my preamble sir Kevin is 10101010, at 1200 baud, is this preamble reception algorithm right? loop1 btfss PORTC,7 goto loop1 call 417us ;halfbit delay loop2 btfsc PORTC,7 goto loop2 call 833us ;fullbit delay loop3 btfss PORTC,7 goto loop3 call 417us ;halfbit delay loop4 btfsc PORTC,7 goto loop4 call 833us ;fullbit delay loop5 btfss PORTC,7 goto loop5 call 417us ;halfbit delay loop6 btfsc PORTC,7 goto loop6 call 833us ;fullbit delay loop7 btfss PORTC,7 goto loop7 call 417us ;halfbit delay loop8 btfsc PORTC,7 goto loop8 call 833us ;fullbit delay ____________________________________________________________________ Get free email and a permanent address at http://www.netaddress.com/?N=3D= 1 -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body