NUNCHUCKOh, God. No. Terra's heavyness and the Wiimote slowness would have made a dead combination...
Analog Stick: Move character
Z: Block, Dodge
D-Pad Left/Right: Rotate camera
D-Pad Up/Down: cycle command deck
-: Use Command
There, everything the PSP did (minus 1st person view but who misses that?) without incorporating gyro and/or IR sensors.