MB86290A Datasheet, PDF (105/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

VDP (Vertical Display Period)
Register address ^{DisplayBaseAddress + 16h}
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
VTR
R/W
R0
RW
Default
0
Don’t care
This register controls the vertical display period in raster unit. Setting + 1 is
the count of rasters to be displayed.
WX (Window position X)
DisplayBaseAddress + 18h
Register address
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
WX
R/W
R0
RW
Default
0
Don’t care
This register controls the horizontal position of the left edge of the Window
layer. Set the left edge position of the Window layer from the display field
start edge in dot-clock units.
WY (Window position Y)
DisplayBaseAddress + 1Ah
Register address
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
WY
R/W
R0
RW
Default
0
Don’t care
This register controls the vertical position of the top edge of the Window
layer. Set the top edge position of the Window layer from the display field
start edge in raster units.
WW (Window Width)
DisplayBaseAddress + 1Ch
Register address
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
WW
R/W
R0
RW
Default
0
Don’t care
This register controls the horizontal size (pixel count) of the Window layer.
Do not specify 0.
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