encoding is correct, specifically the address bits don't exactly match
those of the preliminary datasheet that I have, but I don't see how
they could be right. Tested with STK500 and it works there.
Instruction encodings have not been tested due to lack of a parallel
port on my Mac.
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@436 81a1dc3b-b13d-400b-aceb-764788c761c2