Re: Dragon12+ board and stepper motor

The Seattle Robotics Society has a number of good articles on the use of the 68HCS12, including servo motors.

Here is an example:
http://www.seattlerobotics.org/Encoder/jan97/The68HC12.html

I'd also recommend a book called "Designing with Mirocontrollers" which uses the Dragon12+.

RFWarrior