Balls

Up - Adds balls.
Down - Subtracts balls.
L1 - Freezes screen when held .
Select - Quits demo.

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Diffusion

L1 - Changes from flat squares to ball.
L2 - Toggles transparency.
Triangle, Square, Circle, X - Rotate object.
Select - Quits demo.

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Rcube

L1 - Drops cubes on the ground (hitting L1 repeatedly
bounces surface).
R1 - Change cube colors (also restores cubes after
hitting L1).
L2 - Zooms out.
R2 - Zooms in.
Up - Rotates cubes up.
Down - Rotates cubes down.
Right - Rotates cubes left.
Left - Rotates cubes right.
Triangle - Cycles cubes from solid, transparent, goraud
shaded and texture mapped.
Square - Toggles black and white background.
Select - Quits demo.

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Mat

Up - Rotates mat up.
Down - Rotates mat down.
Right - Rotates mat left.
Left - Rotates mat right.
Triangle - Adds creatures.
X - Subtracts creatures.
Select - Quits demo.

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Oden

After brief self running demo:
Triangle, Square, Circle, X - Rotate objects.
L1, L2, R1, R2+ D-pad - Changes RGB light source
positions.
Down - Makes all three objects goraud shaded
Right - Puts brick texture map on cube.
Left - Puts brick texture map on sphere.
Up - Puts brick texture map on cone.
Select - Zoom in.
Start - Zoom out.
Start + Select - Quits demo.
Various combinations of L1, L2, R1, R2 and Triangle,
Square, Circle and X change the various light sources
intensities.

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Movie

Select - Quit.

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Texture Movie

Up - Adds video spheres.
Down - Removes video spheres.
Triangle, Square, Circle, X - Rotate video sphere.
L1 - Zoom out.
R1 - Zoom in.
Select - Quits demo.

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Manta

Start - Zoom in.
Select - Zoom out.
Triangle, Square, Circle, X - Rotate manta.
D-pad - Move manta up, down, left, and right.
Hold R1 - Fish leave the area.
Hold R1 + R2 + L1 + L2 + Start - Reset demo.
Hold R1 + R2 + L1 + L2 + Select - Quit demo.

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Dino

Start - Zoom in.
Select - Zoom out.
D-pad - Move dino up down left and right.
Triangle, Square, Circle, X - Rotate dino.
L1 - Move head left.
R1 - Move head right.
L2 - Make dino grow.
R2 - Make dino scream.
L1 + R1 + Up - Make dino stand upright and move up.
L1 + R1 + Down - Make dino stand upright and move down.
L1 + R1 + Select - Dino stops and just stands.
Note: In the stop and stand mode, press R1, R2, L1, or
L2 buttons. Trying holding all four buttons for balloon
mode).
R1 + R2 + L1 + L2 + Start + Select - Quit demo.