Controls

L Button

Not Used

R Button

Displays the Map once the item has been acquired.

D Pad

Not Used

C-Up Button

Move forward
Switch tabs in the inventory between Items and Book

C-Down Button

Move backward
Switch tabs in the inventory between Items and Book

C-Left Button

Strafe left
Switch tabs in the inventory between Items and Book

C-Right Button

Strafe Right
Switch tabs in the inventory between Items and Book

A Button

Examine an item in front of you
Pick up items
Talk to people
Interact with the environment (open doors, climb ladders, etc)
Select item from the inventory to use/equip

B Button

Open the inventory
Close inventory
Cancel selection

Start Button

Open the system menu