FF9/IMGRootDir

Root Directory

The first sector of FF9.IMG contains a root directory of information with sector locations for subdirectories and the sector of the first file in that subdirectory.

note: sector hereon refers to a 2048 byte chunk of the file keep this in mind when 'deciphering' information.

Root Directory Header

The root directory begins with the following header format

Name	Units/Size	Description
Signature	char[4]	'FF9'\0 (signature to indicate it's an FF9 data file likely)
unknown	DWORD	No information available at this time
Directory Count	DWORD	This contains the number of directories in the FF9.IMG file.
unknown	DWORD	No information available at this time

Root Directory Entries

Following the Root Directory header are the entries for the subdirectories.

Name	Units/Size	Description
Type	DWORD	The type of subdirectory this is
File Count	DWORD	This gives the number of files within the subdirectory.
Directory Information Sector	DWORD	Sector that contains the directory information (IE file sector list).
First File Sector	DWORD	This points to the sector of the first file (for fast reference?)

Directory Types

Number	Description
0x02	Normal subdirectory contains normal files.
0x03	Heirarchical directory.
0x04	Not a directory but indicates the end of the directory list.