C++ Job, I have a sketch for you to Adjust. Arduino RAMPS

Firmware found here: [login to view URL] I need it to work on RAMPS. It also needs to do the following: *No [login to view URL] via PC Pronterface. *Four Motor control not more to do the following: *No Duplex Circuit (yet). ** One motor moves one-Z bed up. ** One motor moves one-Z bed down ** One motor moves X-Axis ** One motor moves Y-Axis Each Layer: Move to Zero: Lift one bed, drop the other: Pass over both Beds and return to the second Zero (Dropped Bed) and print the layer... Repeat.