In a message dated 1/6/99 4:12:05 PM Pacific Standard Time, email@example.com writes: << Yeah, yeah, that explaination is a good one. But now you've confused me about a0-a6 and d0-d7... does the address that a0 points to precede the address that a1 points to? (which precedes the address a2 points to, and so on?) and the same with d0-d7? >> the point of the a? addresses is that you can change where they point to.