There was some reason I didn't want to use PORTB. Maybe cuz I like to leave the ICSP pins for just only that. In hindsight, and maybe moving forward, I may change it. For now it's just fine. In the current configuration there really is not much for the MAIN to do, and its not time critical. This phase is really just a stepping stone to the planned use for this. somewhere back in this thread, Walter had asked why move the step/dir through the chip at all. Short answer was as a stepping stone.
When I get to phase 3 of this project, the 5uS interupt won't be needed at all.(post 39 shows my plans)
Thank you for your help Darrel.
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