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Control Story Mode Escape Mode Item Investigation
A button Show next text Show next text Search / Show next text
B button Show next text Show next text Search / Show next text
X button Map Bird's Eye View Combine
Y button Calculator Calculator N/A
L button Show next text Items Back / Show next text
R button Files Files Search
Start button Save Save N/A
Select button N/A N/A N/A
Up dpad Show past text Cycle held item N/A
Down dpad Open Menu Move View (Turn) N/A
Left dpad Next Text Move View (Turn) N/A
Right dpad Skip text Move View (Turn) / Skip text Skip text

The “Skip Text” command can only be used when the text has already been seen (in a previous playthrough). If it hasn’t, the button will just make the next text appear.

Stylus buttonThe touch screen can be used for any of these commands. In addition, It is necessary in Escape Mode to examine the room, and in the Item Investigation to turn an item.