View source for FS:OpenFile

=Request=
{| class="wikitable" border="1"
|-
!  Index Word
!  Description
|-
| 0
| Header code [0x080201C2]
|-
| 1
| Transaction (usually 0)
|-
| 2
| Archive handle lower word
|-
| 3
| Archive handle upper word
|-
| 4
| LowPath.Type
|-
| 5
| LowPath.Size
|-
| 6
| OpenFlags
|-
| 7
| Attributes (usually 0)
|-
| 8
| (LowPath.Size<<14)  <nowiki>|</nowiki> 2
|-
| 9
| LowPath.Data pointer
|}

=Response=
{| class="wikitable" border="1"
|-
!  Index Word
!  Description
|-
| 0
| Header code
|-
| 1
| Resultcode
|-
| 3
| File handle
|}

=OpenFlags=
{| class="wikitable" border="1"
|-
!  Bit
!  Description
|-
| 0
| Read
|-
| 1
| Write
|-
| 2
| Create
|}

= Attributes =
{| class="wikitable" border="1"
|-
!  Flag
!  Description
|-
| 0x00000001
| Is Read-Only
|-
| 0x00000100
| Is Archive
|-
| 0x00010000
| Is Hidden
|-
| 0x01000000
| Is Directory
|}

=LowPath=
{| class="wikitable" border="1"
|-
!  Type
!  Description
|-
| 0 (INVALID)
| Specifies an invalid path.
|-
| 1 (EMPTY)
| Specifies an empty path.
|-
| 2 (BINARY)
| Specifies a binary path, which is non-text based.
|-
| 3 (CHAR)
| Specifies a text based path with a 8-bit byte per character.
|-
| 4 (WCHAR)
| Specifies a text based path with a 16-bit short per character.
|}

== Binary LowPath ==
The format of the data that a binary LowPath points to is custom per archive.


=== SystemSaveData Archive Path Data Format ===
==== FS ====
{| class="wikitable" border="1"
|-
!  Index word
!  Description
|-
| 0 
| [[Mediatypes|Mediatype]] (must be zero for NAND)
|-
| 1
| saveid
|}
The file/directory lowpath is a text lowpath in the [[Savegames|savegame]] filesystem.

==== FSPXI ====
{| class="wikitable" border="1"
|-
!  Index word
!  Description
|-
| 0 
| This u8 is always zero?
|}
The file lowpath is a binary lowpath containing the u64 saveid, however the high word of the saveid is always zero. The mounted file is the cleartext savegame image.

=== UserSaveDataForCheck Archive Path Data Format ===
{| class="wikitable" border="1"
|-
!  Index word
!  Description
|-
| 0 
| Mediatype (must be non-zero)
|-
| 1
| Lower word saveid
|-
| 2
| Upper word saveid
|}
The file/directory lowpath for this FS archive is a text path in the [[Savegames|savegame]] filesystem.

=== ExtSaveData Archive Path Data Format ===
{| class="wikitable" border="1"
|-
!  Index word
!  Description
|-
| 0 
| Mediatype
|-
| 1
| Lower word saveid
|-
| 2
| Upper word saveid
|}
For FS, the file/directory lowpath is a text path in the [[extdata]] filesystem. For FSPXI, the file lowpath is a text path relative to the "/extdata/<ExtdataIDHigh>/<ExtdataIDLow>" directory on SD/NAND, for the cleartext extdata image to mount.