Peripheral Control Module

Figure 11-3. Palette Buffer Format

.

 

 

 

 

 

 

 

Individual Palette Entry

 

 

 

 

 

 

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

Color

Unused

PBS*

 

Red (R)

 

 

Green (G)

 

 

Blue (B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mono

Unused

PBS*

 

 

 

Unused

 

 

 

 

Monochrome (M)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Note: Pixel bit size (PBS) is contained only within the first palette entry (palette entry 0).

16- or 256-Entry Palette Buffer

Bit

Base + 0x0 Base + 0x4

31

16

15

0

 

 

 

 

 

Palette entry 1

 

Palette entry 0

 

 

 

 

 

Palette entry 3

 

Palette entry 2

 

 

 

 

 

 

.

 

 

 

.

 

Base + 0x1C Base + 0x20

Base + 0x1FC

Base + 0x200

Bit

Base + 0x0 Base + 0x4

 

Palette entry 15

 

Palette entry 14

 

 

 

 

 

Palette entry 17

 

Palette entry 16

 

 

 

 

 

.

 

 

Note: Entries 16 through 254 do not

 

 

 

.

 

 

exist for 4-, 12- and 16-bit/pixel modes.

 

 

 

.

 

 

 

 

 

 

 

Palette entry 255

 

Palette entry 254

 

 

 

 

 

Start of Encoded Pixel Data

 

 

 

 

 

Little Endian Palette Entry Ordering

31

16

15

0

 

 

 

 

 

Palette Entry 0

 

Palette Entry 1

 

 

 

 

 

Palette Entry 2

 

Palette Entry 3

 

 

 

 

 

 

.

 

 

 

.

 

Big Endian Palette Entry Ordering

SA-1100 Developer’s Manual

11-19

Page 169
Image 169
Intel SA-1100 manual Pbs