Blkdeststrt – Cirrus Logic EP93xx User Manual

Page 289

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DS785UM1

8-25

Copyright 2007 Cirrus Logic

Graphics Accelerator

EP93xx User’s Guide

8

8

8

Default:

0x0000_0000

Mask:

0xFFFF_FFFC

Definition:

Block Source Word Address Start register

Bit Descriptions:

ADR:

Address - Read/Write

The value in this field specifies the word address of the
SDRAM frame buffer location that contains the starting
pixel (of the first scan line) of the source image.

The ADR field and the PEL field in the

“SRCPIXELSTRT”

register together define the starting pixel’s address in the
SDRAM frame buffer of the source image.

NA:

Not Assigned - Not used, returns written value

BLKDESTSTRT

Address:

0x8004_000C - Read/Write

Default:

0x0000_0000

Mask:

0xFFFF_FFFC

Definition:

Block Destination Word Address Start register

Bit Descriptions:

ADR:

Address - Read/Write

The value in this field specifies the word address of the
SDRAM frame buffer location that contains the starting
pixel (of the first scan line) of the destination image.

The ADR field and the SPEL field in the

“DESTPIXELSTRT”

register together define the starting

pixel’s address in the SDRAM frame buffer of the
destination image.

NA:

Not Assigned - Not used, returns written value

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

ADR

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ADR

NA

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