I have zero idea if this is useful. These symbols render as PlayStation icons using the character set in PlayStation Home (useful for menus etc.)

left: ╓

right: ╔

up: ╕

down: ╒

cross: ║

circle: ═

square: ╟

triangle: ╡

L1: ╖

L2: ╗

L3: ╘

L: ╙

R1: ╚

R2: ╛

R3: ╜

R: ╝

Select: ╞

Start: ╠

Up/Down: ╢

Left/Right: ╣

Direction Pad: ╤

Motion Controls: ╥