Icepir8, thanks very much for the link. It is very helpful.
Hacktarux, the texture is using kx coefficients slightly different from the standard ones. The whole 16x16 texture is as below. It is very weired that the 16x16 texture is using 16x16x3 bytes.
The texture is a 16x16 section of the Ogre Batter 64 missing background. I have already figured out how the background is rendered, but can not decode the YUV texture.
Rice
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002A0024, 0006FFF1, FFFD001B, FFF6FFF2, FFEFFFEE, FFFAFFFE, 00010007, FFFE0000,
0004FFFE, 0002FFFF, 00030000, FFFD0004, 0001FFFF, FFFD0001, 00010001, 00010000,
FFFE0001, FFFF0000, 00000000, 00010000, FFFF0000, FFFF0001, 0000FFFF, FFFE0002
FFFF0003, FFFF0000, 0000FFFF, 00000000, FFFFFFFF, 00000001, 00010000, FFFF0000,
001D0023, FFD8FFE7, 000F000D, FFF80011, 00030004, 0004FFFC, 0005FFFC, 00030003,
FFFFFFFF, 0001FFFE, 00030000, FFFE0000, 00010000, 0000FFFE, 00020001, FFFF0000
00000001, 0000FFFF, 00000001, 00000000, 00000001, 00000000, 0000FFFF, 00000000,
0001FFFF, 0000FFFF, 00000000, 00000000, FFFF0000, 00000000, 00010001, 00000001,
FFEE000F, FFE1FFEF, 00110003, 0002FFF8, FFF8FFFB, 00020011, 000C000C, FFEC0006
0005FFFD, FFFA0004, FFFEFFFF, FFFD0004, 00010004, 00000001, FFFF0001, 0001FFFF,
FFFE0002, 0000FFFE, FFFFFFFF, 0001FFFF, FFFF0000, 00000000, 00000001, 0000FFFF,
0002FFFF, 00000000, FFFF0001, FFFF0000, FFFF0000, 0000FFFF, 00000000, 0000FFFF
FFF60000, 0021FFEC, FFDB0001, 00040001, 000BFFFE, 00090009, FFFE0002, FFF5FFFD,
FFFCFFFF, 0006FFFF, 00050001, 00020002, FFF90006, FFFC0002, FFFF0001, FFFD0000,
FFFEFFFF, 00010003, FFFF0000, FFFFFFFF, FFFE0001, FFFF0000, FFFF0001, FFFFFFFE
0003FFFF, FFFF0000, 00010000, FFFF0000, 0000FFFF, 00010000, FFFF0000, 00000000,
FFFAFFFC, 0001FFFE, 0004FFFF, 0000FFFF, 00000001, 00000000, 0001FFFF, 00000000,
00000000, 00000001, 00000000, 00000001, 00010000, 00000000, 00000000, 00000000
00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000,
00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000,
0006FFFE, 00010001, FFFE0000, 00010001, 0000FFFF, 00000001, 0000FFFF, FFFF0000
0000FFFF, FFFF0000, 00000000, 0000FFFF, 00010000, 00000000, 00000000, 00000000,
00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000,
00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000, 00000000