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From Final Fantasy Inside
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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: '''[[FF9/glossary/sector''' |sector]] hereon refers to a 2048 byte chunk of the file keep this in mind when 'deciphering' information.
==Root Directory Header==
==Root Directory Entries==
Following the initial HeaderRoot Directory header are the entries for the subdirectories. {| border="0" cellspacing="1" cellpadding="3" style="background: rgb(0,0,0)" align="center"! style="background:rgb(204,204,204);" align="center" | Name! style="background:rgb(204,204,204);" align="center" | Units/Size! style="background:rgb(204,204,204);" align="left" | Description|-| style="background:rgb(255,255,255);" | Type| style="background:rgb(255,255,255);" | DWORD| style="background:rgb(255,255,255);" | The type of subdirectory this is|-| style="background:rgb(255,255,255);" | File Count| style="background:rgb(255,255,255);" | DWORD| style="background:rgb(255,255,255);" | This gives the number of files within the subdirectory.|-| style="background:rgb(255,255,255);" | Directory Information Sector| style="background:rgb(255,255,255);" | DWORD| style="background:rgb(255,255,255);" | Sector that contains the directory information (IE file sector list).|-| style="background:rgb(255,255,255);" | First File Sector| style="background:rgb(255,255,255);" | DWORD| style="background:rgb(255,255,255);" | This points to the sector of the first file (for fast reference?)|-|} Directory Types{| border="0" cellspacing="1" cellpadding="3" style="background: rgb(0,0,0)" align="center"! style="background:rgb(204,204,204);" align="center" | Number! style="background:rgb(204,204,204);" align="left" | Description|-| style="background:rgb(255,255,255);" | 0x02| style="background:rgb(255,255,255);" | Normal subdirectory contains normal files.|-| style="background:rgb(255,255,255);" | 0x03| style="background:rgb(255,255,255);" | Heirarchical directory.|-| style="background:rgb(255,255,255);" | 0x04| style="background:rgb(255,255,255);" | Not a directory but indicates the end of the directory list.|-|}
