Also, when setting your keys for Assault, MAKE SURE that you set left/right/up/down to an unused key or else you'll experience goofiness
For some reason, there are key mappings for:
p1 left/right <-use these!
p1 left/left
p1 left/up
p1 left/down
p1 right/right
p1 right/left
p1 right/up
p1 right/down
---AND---
p1 right <-disable these!
p1 left
p1 up
p1 down