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→Filesystem Header
| 0x10
| 0x10
| 8
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| Filesystem image size in blocks
| Filesystem image size in blocks (including pre header for title database)
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|-
| 0x18
| 0x18
* For savegames, the file/directory bucket count & maximum count are specified by the parameters of [[FS:FormatSaveData]] or [[FS:CreateSystemSaveData]].
* For savegames, the file/directory bucket count & maximum count are specified by the parameters of [[FS:FormatSaveData]] or [[FS:CreateSystemSaveData]].
* For extdata, the maximum file/directory count are specified by the parameters of [[FS:CreateExtSaveData]]. The bucket count is likely calculated by the system.
* For extdata, the maximum file/directory count are specified by the parameters of [[FS:CreateExtSaveData]]. The bucket count is likely calculated by the system.
* Directory & file entry tables are allocated in the data region as if they are two normal files (except for savegame <code>duplicate data = false</code> layout). However, only continuous allocation has been observed, so directly reading block_count * block_size bytes from data_region + starting_block_index * block_size should be safe.
* Directory & file entry tables are allocated in the data region as if they are two normal files (except for savegame <code>duplicate data = false</code> layout). However, only continuous allocation has been observed, so directly reading block_count * block_size bytes from data_region + starting_block_index * block_size should be safe.
== Directory Entry Table ==
== Directory Entry Table ==