CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-27D ADR SUB-CHANNEL Q FIELD

ADR Code

Description

0h

sub-channel Q mode information not supplied

1h

sub-channel Q encodes current position data

2h

sub-channel Q encodes media catalog number

3h

sub-channel Q encodes ISRC

4h ~ Fh

reserved

TABLE 2-27ESUB-CHANNEL Q CONTROL FIELD

Bit

Set to “0” (ZERO)Set to “1” (ONE)

0

audio without pre-emphasis

audio with pre-emphasis

1

digital copy prohibited

digital copy prohibited

2

audio track

data track

3

two channel audio

four channel audio

TABLE 2-27FCD-ROM CURRENT POSITION DATA BLOCK

 

 

 

 

 

Bit

 

 

 

Byte

7

6

5

4

3

2

1

0

4

 

 

Sub Channel Data Format code (01h)

 

 

5

 

ADR

 

 

 

Control

 

 

6

 

 

 

Track Number

 

 

 

7

 

 

 

Index Number

 

 

 

8

 

 

Absolute CD-ROM Address (MSB)

 

 

9

 

 

 

Absolute CD-ROM Address

 

 

 

10

 

 

 

Absolute CD-ROM Address

 

 

 

11

 

 

Absolute CD-ROM Address (LSB)

 

 

12

 

Track Relative CD-ROM Address (MSB)

 

 

13

 

 

Track Relative CD-ROM Address

 

 

14

 

 

Track Relative CD-ROM Address

 

 

15

 

Track Relative CD-ROM Address (LSB)

 

 

- 108 -