Paul Greenwood doesn't want to use RS232 coding, due to speed. I'm doing it on a 16C84 in 13 cycles per bit......how fast do you need to go? Bryan -- --------------------------------- BRYAN CROTAZ - b.crotaz@ic.ac.uk --------------------------------- TECHNICAL MANAGER Student Television Of Imperial College Beit Quad, Prince Consort Road London SW7 2BB Tel. 071-594-8104 Fax. 071-225-2309 attn. STOIC