[Roger]

Thanks EHaskins -- to think it's as simple as:

LeftDrive = JoyX - JoyY + 127;
RightDrive = JoyX + JoyY - 127;

LeftDrive = Limit(LeftDrive,0,255);
RightDrive = Limit(RightDrive,0,255);

to mix the x and y axis numbers and get a motor speed.

Can't wait to get to that robot now!

Roger.