Chip for Universal IR Remote ?

Forum 2005-2010 (read only) General Frequently-Asked Questions
3

I don't know of a chip either but if you want to do it "by hand" I wrote something some time ago about it:-
www.doc.mmu.ac.uk/STAFF/A.Wiseman/Acorn/BodyBuild/BB92.html
The software is for another computer but it shows you what needs to be done.