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MB86R02 'Jade-D' Hardware Manual V1.64
L2EM (L2 layer Extended Mode)
Register
DisplayBaseAddress + 0x130
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
Bit field name
L2EC
R/W
RW
Initial value
00
Bit 0
L2 WP (L2 layer Window Position enable)
Selects the display position of L2 layer
0
1
Bit 1
L2OM (L2 layer Overlay Mode)
Selects the overlay mode for L2 layer
0
1
Bit 23 to 20
L2PB (L2 layer Palette Base)
Shows the value added to the index when subtracting palette of L2 layer. 16 times of
setting value is added.
Bit 31 and 30
L2EC (L2 layer Extended Color mode)
Sets extended color mode for L2 layer
00
01
10
11
Reserved
L2PB
R0
RW
0
0
Compatibility mode display (ML layer supported)
Window display
Compatibility mode
Extended mode
Mode determined by L2C
Direct color (24 bits/pixel) mode
16bpp RGBA
24 bpp RGBA
-----
4 3 2
Reserved
R0
0
1
0
L2OM L2WP
RW RW
0
0
18-81
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