NPAL contains palettes (i.e. color lookup tables) for use in cutscenes in
the same format as APAL
and CLUT. This format is simple: 256 3-byte values,
one for each palette index.
"NPAL"
dword
Block identifier
dwSize
dword
Size in bytes (BE)
loop 256
nRed
byte
Red intensity
nGreen
byte
Green intensity
nBlue
byte
Blue intensity
end of loop