> Let me clarify that I am not looking for a stepper *driver* (which
> takes step & dir signals and converts that to amplified H-bridge
> outputs to drive the motors), but I'm looking for a motion controller
> that will take vector commands and generate step & dir signals with
> appropriate acceleration and decceleration signals.

Sounds like you should purchase the source to TurboCAD (see Linistep link) 
then, and program that into a PIC. 

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