3.4 Volume definition

The volume descriptor set must be defined on the first track of the optical disc. This is called the volume descriptor track.

:
          Track MODE1; 1st track number = volume descriptor track Volume ISO9660 sample.PVD
 PrimaryVolume 0: 2: 16
 SystemIdentifier "identifier" ...
 EndPrimaryVolume
               :
    End Volume
            :
EndTrack
          :

Information such as the system identifier and date is recorded in the volume descriptor to identify the volume. Details of these are explained in "3.11 Definition of Volume Descriptor Information".

List

Title Command specifications

Command Start volume definition

Keyword Volume

No 4.1

Form

Volume voltype pvdfile

Parameters

voltype: Volume type (valid only for ISO9660)

pvdfile: PVD file name (extension is "PVD")

function

Start defining the volume descriptor set.

remarks

Be sure to specify the first track for the volume definition.
The Sega Saturn disk tools assume that the PVD file and the disk image file have the same base name. Use the same base name.

List

Title Command specifications

Command End of volume definition

Keyword End Volume

No 4.2

Form

End Volume

Parameters

none

function

Finishes defining the volume descriptor set.

List

Title Command specifications

Command Start of base volume descriptor

Keyword Primary Volume

No 4.3

Form

PrimaryVolume pos

Parameters

pos—Always specify 00:02:16 on the disk where the base volume descriptor is recorded.

function

Start defining the base volume descriptor.

remarks

Details of the descriptor information will be explained in "3.11 Definition of Volume Descriptor Information".

List

Title Command specifications

Command End of base volume descriptor

Keyword EndPrimaryVolume

No 4.4

Form

EndPrimaryVolume

Parameters

none

function

Finish defining the basic volume descriptor.

List

Title Command specifications

Command Start of secondary volume descriptor

Keyword Supplementary Volume

No 4.5

Form

SupplementaryVolume pos

Parameters

pos—Always specify 00:02:17 as the location on the disk where the secondary volume descriptor will be recorded.

function

Starts defining the secondary volume descriptor.

remarks

Details of the descriptor information will be explained in "3.11 Definition of Volume Descriptor Information".

List

Title Command specifications

Command End of secondary volume descriptor

Keyword EndSupplementaryVolume

No 4.6

Form

EndSupplementaryVolume

Parameters

none

function

Ends the definition of the secondary volume descriptor.