Galaxy Force II: Mapping the port bits used to provide motor movement feedback signals such as Up/Down/Left/Right limit switches.
Galaxy Force II: Adding gforce_output_cb1 (the values written there seem to select the meaning of some of the PORTC bits related to motor control)
G-LOC: Mapping portbits related to the moving cabinet limit switches.
Power Drift: Portbits for Limit & Safety switches
Merge pull request #28 from felipesanches/gforce2_motorcpu

SEGA YBoard: Mapping the port bits used to provide motor movement feedback