3.5 Definition of logical file structure

The outline of the logical file structure definition is shown below.

Directory DIR1                        
    Directory SUBDIR1                 
        File FILE1                    
            FileSource SRCFILE1 Hierarchy EndFileSource ↓
        EndFile 1 2 3
        File FILE2 ￥ ─┬─DIR1─┬─SUBDIR─┬─FILE1
            FileSource SRCFILE2 │ │ ├─FILE2
            EndFileSource │ │ │ │
        EndFile │ │ │ │
        :::::
        :::::
    EndDirectory 
    ::
    ::
EndDirectory

List

Title Command specifications

Command Start directory definition

Keyword Directory

No 5.1

Form

Directory dirname

Parameters

dirname: directory name

function

Start the directory definition.

remarks

According to the ISO9660 standard, the directory hierarchy can be defined up to 8 levels, counting the root directory as 1. However, for Sega Saturn, we recommend within 7 levels.

List

Title Command specifications

Command End of directory definition

Keyword EndDirectory

No 5.2.

Form

EndDirectory

Parameters

none

function

Exit the directory definition.

List

Title Command specifications

Command Start file definition

Keyword File

No 5.3 5.3

Form

File isofile [outfile]

Parameters

isofile: File name on the disk (ISO9660 standard)

outfile: File name to output the build result of the file definition (optional)

function

Start file definition.

remarks

• If ";" or later is omitted in the file name format "File name.Extension; Version number", the version number "; 1" is added by default.

• If "; 0" is specified in the version number, "; 0" is omitted and the file name is set without the version number.

List

Title Command specifications

Command End of file definition

Keyword EndFile

No 5.4

Form

EndFile

Parameters

none

function

Finish the file definition.

List

Title Command specifications

Command Start file source definition

Keyword FileSource

No 5.5 5.5

Form

FileSource srcfile

Parameters

srcfile: File name to input file definition

function

Specify the file that will be the input for the file definition.

List

Title Command specifications

Command End of file source definition

Keyword EndFileSource

No 5.6

Form

EndFileSource

Parameters

none

function

Finish the file source definition.