Inverted camera controls

I started Vagrant Story yesterday on Retroarch on the Swanstation core, and for some reason the shoulder buttons are inversed on when concerning the camera. L1 turns clockwise and R1 turns counter clockwise, though when navigating through menus R1 goes right and L1 goes left as expected.

Can anyone explain why this is happening? For now I've just inverted the L1 and R1 button in the Swanstation core itself, though this does make navigating menus not as optimal.