MB86290A Datasheet, PDF (106/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

WH (Window Height)
Register address ^{DisplayBaseAddress + 1Eh}
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
WH
R/W
R0
RW
Default
0
Don’t care
This register controls the vertical height (raster count) of the Window layer.
Setting + 1 is the height.
CM (C-layer Mode)
DisplayBaseAddress + 20h
Register address
Bit #
Bit field name
R/W
Default
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
CC Reserve
RW R0
00
Reserve
R0
0
CW
RW
Don’t care
Reserve
R0
0
CH
RW
Don’t care
Bits 11-0
CH (C-layer Height)
Set height of Console layer logical frame size in raster units. Setting + 1 is the height.
Bits 23-16
CW (C-layer memory Width)
Set width of Console layer logical frame size in 64-byte units
Bit 31
CC (C-layer Color mode)
Sets color mode used for Console layer
0
Indirect color mode (8 bits/pixel)
1
Direct color mode (16 bits/pixel)
COA(C-layer Origin Address)
Register address ^{DisplayBaseAddress + 24h}
Bit #
Bit field name
R/W
Default
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
Reserve
R0
0
COA
RW
Don’t care
R0
0000
This register controls the base address of the logical frame of the Console
layer. Since the lowest 4 bits are fixed to 0, this address is 16-byte aligned.
106