lowlines

Nitro Archive (NARC)

Category: Nintendo DS

Description: Common archive format used in Nintendo DS games.

Author: lowlines

Filename: narc.xml

Size: 2.95 KB

Date Modified: 22 October 2024

• Nitro Header

  • Type		Offset	Size	Value	Description
    Magic Stamp		0x0000	4	0x4E415243	Stamp (NARC) "Nitro ARChive".
    Constant		0x0004	4	0x0001FEFF
    File Size		0x0008	4
    Header Size		0x000C	2	16
    # Sections		0x000E	2	3

• File Allocation Table Block (FATB)

  • Type		Offset	Size	Value	Description
    Magic Stamp		0x0000	4	0x42544146	Stamp (FATB) "File Allocation Table Block".
    Section Size		0x0004	4
    Number of Files		0x0008	4
    File Offsets (repeats * Number of Files)
    File Start Offset		0x0000	4		Relative to the start of the FIMG section.
    File End Offset		0x0004	4		Relative to the start of the FIMG section.

• File Name Table Block (FNTB)

  • Type		Offset	Size	Value	Description
    Magic Stamp		0x0000	4	0x42544E46	Stamp (FNTB) "File Name Table Block".
    Section Size		0x0004	4
    Root Folder
    Directory Start Offset		0x0000	4
    First File Position		0x0004	2
    Directory Count		0x0006	2		Number of Directories in Root Folder.
    File/Folder
    First Offset		0x0000	4
    First File Position		0x0004	2
    Parent Directory		0x0006	2
    Size of Name		0x0008	1
    Name		0x0009	-		Name of File/Directory.
    Directory Number		-	2

• File IMaGes (FIMG)

  • Type		Offset	Size	Value	Description
    Magic Stamp		0x0000	4	0x474D4946	Stamp (FIMG) "File IMaGes".
    Section Size		0x0004	4

  • File Data