NEC µPD72257 Preliminary User's Manual page 269

Graphics controllers
Table of Contents

Advertisement

Drawing Engine
8.9.4.2
Note
Access
Address
Index
Initial Value
31
30
29
28
15
14
13
12
Bit
Bit name
31 to 0
LnXADD[31:0]
DRWLnXADD - Limiter n x-axis increment
The LnXADD value is the 16:16 fixed point difference between two samples with
a distance of one pixel along the x-axis.
n = 1 to 6
This register can be written in 32-bit units.
DRWL1XADD: <DrwE_Base> + 28
DRWL3XADD: <DrwE_Base> + 30
DRWL5XADD: <DrwE_Base> + 38
DRWL1XADD: 10, DRWL2XADD: 11
DRWL3XADD: 12, DRWL4XADD: 13
DRWL5XADD: 14, DRWL6XADD: 15
0000 0000
. This register is initialized by any reset.
H
27
26
25
24
LnXADD[31:16]
11
10
9
8
LnXADD[15:0]
Function
X-axis increment
Preliminary User's Manual S19203EE1V3UM00
, DRWL2XADD: <DrwE_Base> + 2C
H
, DRWL4XADD: <DrwE_Base> + 34
H
, DRWL6XADD: <DrwE_Base> + 3C
H
23
22
21
20
W
7
6
5
4
W
Chapter 8
H
H
H
19
18
17
16
3
2
1
0
269

Advertisement

Table of Contents
loading

This manual is also suitable for:

Μpd72256

Table of Contents