Someone just mailed me to say that the two missing commands (0xd and 0xf, I think -- I can't get at my source from here) are X and Y panning commands. I'll send a better report (and an attribution) when I make it home. Scott -- Scott A. Laird | "But this goes to 18,446,744,073,709,551,615" scott@laird.com | - Nigel on his new 64-bit computer