Tim: >> have the CPU op-code cheat sheet in the coat pocket... ;-) Les: > I memorized it and threw it away. Does that mean I fail the test? If you code in pen and ink before even going near the computer, that counts. Back when I were a lad, we didn't use no debugger. We'd print the code, and attack the printout with pencils out to mark all the bugs and corrections, then type the changes back in. Tim, waiting for one of the old codgers to tell us a tale of how they had to make the valves and warm them up before starting... ;-) -- (This computer runs FC7, my others run FC4, FC5 & FC6, in case that's important to the thread.) Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.