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MB86R02 'Jade-D' Hardware Manual V1.64
MDR3 (Mode Register for Texture)
Register
DrawBaseAddress + 42C
address
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit field name
R/W
Initial value
This register sets the texture mapping mode.
Bit 3
TC (Texture coordinates Correct)
Sets texture coordinates correction mode
0
1
Bit 5
TF (Texture Filtering)
Sets type of texture interpolation (filtering)
0
1
Bit 9 and 8
TWT (Texture Wrap T)
Sets type of texture coordinates T direction wrapping
00
01
10
11
Bit 11 and 10
TWS (Texture Wrap S)
Sets type of texture coordinates S direction wrapping
00
01
10
11
Bit 17 and 16
TBL (Texture Blend mode)
Sets texture blending mode
00
01
10
11
Bit 21 and 20
TAB (Texture Alpha Blend mode)
18-216
H
TAB
BA
RW
RW
0
00
Disabled
Enabled
Point sampling
Bi-linear filtering
Cramp
Repeat
Border
Reserved
Cramp
Repeat
Border
Reserved
Decal
Modulate
Stencil
Reserved
TBL
TWS TWT
RW
RW
RW
00
00
00
TF
TC
RW
RW
0
0
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