Run 2 pieces of code at the same time.

]What do these connect to:
dirPinX
(no dirPinX2?)
dirPinY
dirPinY2
stepPinX
(no stepPinX2?)
stepPinY
stepPinY2

I have 3 step motors, 1 for the x axis and 2 for the y axis. Each step motor needs a direction and step pin.