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 2-27E SUB-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 2-27F CD-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)
