Miscellaneous Registers Details - NEC µPD72257 Preliminary User's Manual

Graphics controllers
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Chapter 8

8.9.6 Miscellaneous registers details

8.9.6.1
Access
Address
Index
Initial Value
31
30
29
28
15
14
13
12
Bit
Bit name
31 to 16
SIZEY
15 to 0
SIZEX
284
DRWSIZE - Bounding box dimension
This register stores the height and width (in pixels) of the primitives bounding box.
This register can be written in 32-bit units.
<DrwE_Base> + 78
H
30
0000 0000
. This register is initialized by any reset.
H
27
26
25
24
11
10
9
8
Function
Height of the bounding box in pixels
Width of the bounding box in pixels
Preliminary User's Manual S19203EE1V3UM00
23
22
21
SIZEY
W
7
6
5
SIZEX
W
Drawing Engine
20
19
18
17
4
3
2
1
16
0

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