Mark McDougall wrote: Also, I mentioned that I thought the AY-3-8913 was 3 AY-3-8910's in a single chip. Seems that I was wrong - the 8913 is actually a cut-down 8910! SO that part's done... Regards, -- | Mark McDougall | "Electrical Engineers do it | <http://members.iinet.net.au/~msmcdoug> | with less resistance!"