CCI - Revision history

Hiccup: Removed redirect to NCSD

2018-12-01T14:42:05Z

Removed redirect to NCSD

← Older revision		Revision as of 17:42, 1 December 2018
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	~~#REDIRECT~~ [[NCSD]]		See also: [[NCSD]].
	~~[[Category:File formats]]~~
	This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but is used for other things as well. CSU is NCSD used for system updates and development tools.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but is used for other things as well. CSU is NCSD used for system updates and development tools.

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	The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.		The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.

			[[Category:File formats]]

3dsguy: Redirected page to NCSD

2012-07-18T16:01:01Z

Redirected page to NCSD

← Older revision		Revision as of 20:01, 18 July 2012
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			#REDIRECT [[NCSD]]
	[[Category:File formats]]		[[Category:File formats]]
	This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but is used for other things as well. CSU is NCSD used for system updates and development tools.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but is used for other things as well. CSU is NCSD used for system updates and development tools.

Yellows8: import info from ctrtool.

2012-06-27T20:16:56Z

import info from ctrtool.

← Older revision		Revision as of 00:16, 28 June 2012
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	[[Category:File formats]]		[[Category:File formats]]
	This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but ~~the same NCSD~~ is for ~~SD card titles and~~ other things as well. CSU is NCSD used for system updates and development tools.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but is used for other things as well. CSU is NCSD used for system updates and development tools.

	This is a container format which holds [[CXI]] files inside.		This is a container format which generally holds [[CXI]] files inside.

	=== Overview ===		=== Overview ===
	NCSD images start with a NCSD header, followed by up to a maximum of ~~13 NCCH blocks~~ according to spec. The first ~~block~~(~~CXI~~ 0) ~~always~~ starts at 0x4000. ~~In most carts the first block contains game code/data~~. The second ~~block~~(~~CXI~~ 1) contains the game "Manual"(title ID for the .CXI containing the Manual always starts with '0005'). ~~In the~~ third ~~block~~(~~CXI~~ 2) contains the download play "Child"(The title ID for the ~~.CXI~~ containing the Child always starts with '0006'). The eighth block(~~CXI~~ 7) contains "Update Data"(The title ID for the ~~.CXI~~ containing the Update Data always starts with '8000') The ~~exact~~ contents ~~of NCCH blocks~~ can be determined ~~by looking at~~ the flags.		NCSD images start with a NCSD header, followed by up to a maximum of 8 partitions according to spec. The first partition(NCCH 0) usually starts at 0x4000, this is generally the main NCCH executable. The following info on partitions 1, 2, and 7 are only valid for .CCI. The second partition(NCCH 1) contains the game "Manual"(title ID for the .CXI containing the Manual always starts with '0005'). The third partition(NCCH 2) contains the download play "Child"(The title ID for the NCCH containing the Child always starts with '0006'). The eighth block(NCCH 7) contains "Update Data"(The title ID for the NCCH containing the Update Data always starts with '8000') The format of partitions can be determined from the partition FS flags, while the contents can be determined from the partitions flags.

	=== NCSD header ===		=== NCSD header ===
Line 31:		Line 31:
	\|-		\|-
	\| 0x110		\| 0x110
	\| 16		\| 8
	\| ~~Unknown~~		\| Partitions FS type
			\|-
			\| 0x118
			\| 8
			\| Partitions crypt type
	\|-		\|-
	\| 0x120		\| 0x120
	\| ~~0x68~~=(4+4)*13		\| 0x40=(4+4)*8
	\| Offset & Length ~~CXI~~ table		\| Offset & Length partition table
			\|-
			\| 0x160
			\| 0x20
			\| Exheader SHA-256 hash
			\|-
			\| 0x180
			\| 0x4
			\| Additional header size
			\|-
			\| 0x184
			\| 0x4
			\| Sector zero offset
	\|-		\|-
	\| 0x188		\| 0x188
	\| 8		\| 8
	\| ~~CXI~~ Flags: byte[5]-byte[7] indicate content type ( system update, application, manual, ... ) size of media units ( 512*2^byte[6] ) and encryption.		\| Partition Flags: byte[5]-byte[7] indicate content type ( system update, application, manual, ... ) size of media units ( 512*2^byte[6] ) and encryption.
	\|-		\|-
	\| 0x190		\| 0x190
	\| ~~0x68~~=8*13		\| 0x40=8*8
	\| ~~CXI~~'s Title ID table		\| Partitions' Title ID table
			\|-
			\| 0x1D0
			\| 0x28
			\| Reserved
	\|-		\|-
	\| 0x1F8		\| 0x1F8
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	\|}		\|}

	Parts of the first NCCH block's header are found around 0x1000 for whatever reason.		Parts of the first NCCH block's header are found around 0x1000 for whatever reason. NCSD can hold up to 8 partitions. (i.e. Mario Kart 7 holds 4 NCCHs, most we've seen so far)
	NCSD can hold up to ~~13 CXI~~ (i.e. Mario Kart 7 holds 4 ~~CXIs~~, most we've seen so far)

	The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.		The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.

3dsguy at 02:02, 20 June 2012

2012-06-20T00:02:19Z

← Older revision		Revision as of 04:02, 20 June 2012
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	\| 0x320		\| 0x320
	\| 8		\| 8
	\| [[NVer]] Title ID (~~Not~~ Present in .~~CSU~~)		\| [[NVer]] Title ID (Only Present in retail .CCI)
	\|-		\|-
	\| 0x328		\| 0x328
	\| 8		\| 8
	\| [[NVer]] Title Version (~~Not~~ Present in .~~CSU~~)		\| [[NVer]] Title Version (Only Present in retail .CCI)
	\|}		\|}

3dsguy at 15:39, 17 May 2012

2012-05-17T13:39:29Z

← Older revision		Revision as of 17:39, 17 May 2012
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	=== Overview ===		=== Overview ===
	NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block(CXI 0) always starts at 0x4000. In most carts the first block contains game code/data. The second block(CXI 1) contains the game "Manual"(title ID for the .CXI containing the Manual always starts with '0005'). In the third block(CXI 2) contains the download play "Child"(The title ID for the .CXI containing the Child always starts with '0006'). The ~~eight~~ block(CXI 7) contains ~~update data~~(The title ID for the .CXI containing the ~~update data~~ always starts with '8000') The exact contents of NCCH blocks can be determined by looking at the flags.		NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block(CXI 0) always starts at 0x4000. In most carts the first block contains game code/data. The second block(CXI 1) contains the game "Manual"(title ID for the .CXI containing the Manual always starts with '0005'). In the third block(CXI 2) contains the download play "Child"(The title ID for the .CXI containing the Child always starts with '0006'). The eighth block(CXI 7) contains "Update Data"(The title ID for the .CXI containing the Update Data always starts with '8000') The exact contents of NCCH blocks can be determined by looking at the flags.

	=== NCSD header ===		=== NCSD header ===

3dsguy at 14:29, 17 May 2012

2012-05-17T12:29:13Z

← Older revision		Revision as of 16:29, 17 May 2012
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	[[Category:File formats]]		[[Category:File formats]]
	This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but the same NCSD is for SD card titles and other things as well. CSU is NCSD used for system updates, development tools.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but the same NCSD is for SD card titles and other things as well. CSU is NCSD used for system updates and development tools.

	This is a container format which holds [[CXI]] files inside.		This is a container format which holds [[CXI]] files inside.

3dsguy at 14:28, 17 May 2012

2012-05-17T12:28:38Z

← Older revision		Revision as of 16:28, 17 May 2012
Line 1:		Line 1:
	[[Category:File formats]]		[[Category:File formats]]
	This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but the same NCSD is for SD card titles and other things as well. CSU is NCSD used for system updates.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but the same NCSD is for SD card titles and other things as well. CSU is NCSD used for system updates, development tools.

	This is a container format which holds [[CXI]] files inside.		This is a container format which holds [[CXI]] files inside.

	=== Overview ===		=== Overview ===
	NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block always starts at 0x4000. In most carts the first block contains game code/data, the ~~second~~ block contains the download play "~~child~~" ~~and~~ the ~~third~~ block contains ~~potential system updates~~. The exact contents of NCCH blocks can be determined by looking at the flags.		NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block(CXI 0) always starts at 0x4000. In most carts the first block contains game code/data. The second block(CXI 1) contains the game "Manual"(title ID for the .CXI containing the Manual always starts with '0005'). In the third block(CXI 2) contains the download play "Child"(The title ID for the .CXI containing the Child always starts with '0006'). The eight block(CXI 7) contains update data(The title ID for the .CXI containing the update data always starts with '8000') The exact contents of NCCH blocks can be determined by looking at the flags.

	=== NCSD header ===		=== NCSD header ===
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	\| 0x320		\| 0x320
	\| 8		\| 8
	\| [[NVer]] Title ID		\| [[NVer]] Title ID (Not Present in .CSU)
	\|-		\|-
	\| 0x328		\| 0x328
	\| 8		\| 8
	\| [[NVer]] Title Version		\| [[NVer]] Title Version (Not Present in .CSU)
	\|}		\|}

Yellows8 at 19:16, 6 May 2012

2012-05-06T17:16:27Z

← Older revision		Revision as of 21:16, 6 May 2012
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	=== Overview ===		=== Overview ===
	NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block always starts at 0x4000. In most carts the first block contains game code/data, the second block contains the download play "child" and the third block contains potential system updates~~. Additionally, an extra partition may contain an title for installation on SD card~~. The exact contents of NCCH blocks can be determined by looking at the flags.		NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block always starts at 0x4000. In most carts the first block contains game code/data, the second block contains the download play "child" and the third block contains potential system updates. The exact contents of NCCH blocks can be determined by looking at the flags.

	=== NCSD header ===		=== NCSD header ===
Line 68:		Line 68:
	\| 0x320		\| 0x320
	\| 8		\| 8
	\| ~~Loader~~ Title ID		\| [[NVer]] Title ID
	\|-		\|-
	\| 0x328		\| 0x328
	\| 8		\| 8
	\| ~~Loader~~ Title Version		\| [[NVer]] Title Version
	\|}		\|}

	Parts of the first NCCH block's header are found around 0x1000 for whatever reason.		Parts of the first NCCH block's header are found around 0x1000 for whatever reason.
			NCSD can hold up to 13 CXI (i.e. Mario Kart 7 holds 4 CXIs, most we've seen so far)

	NCSD ~~can hold up~~ to ~~13 CXI (i.e~~. ~~Mario Kart 7 holds 4 CXIs, most we've seen so far)~~		The region-specific NVer title for this NCSD presumably must exist on NAND. The NVer title version may also be used to check whether a system update is required before running the app.

Yellows8 at 20:21, 7 April 2012

2012-04-07T18:21:27Z

← Older revision		Revision as of 22:21, 7 April 2012
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	[[Category:File formats]]		[[Category:File formats]]
	This ~~document is about~~ the format of CTR cart images (CCI), ~~which~~ is ~~also the format of 3DS ROM dumps~~.		This page documents the format of NCSD. CTR cart images (CCI) is NCSD, but the same NCSD is for SD card titles and other things as well. CSU is NCSD used for system updates.

	This is a container format which holds [[CXI]] files inside.		This is a container format which holds [[CXI]] files inside.

	=== Overview ===		=== Overview ===
	~~CCI files~~ start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block ~~usually~~ starts at 0x4000. In most carts the first block contains game code/data, the second block contains the download play "child" and the third block contains potential system updates. The exact contents of NCCH blocks can be determined by looking at the flags.		NCSD images start with a NCSD header, followed by up to a maximum of 13 NCCH blocks according to spec. The first block always starts at 0x4000. In most carts the first block contains game code/data, the second block contains the download play "child" and the third block contains potential system updates. Additionally, an extra partition may contain an title for installation on SD card. The exact contents of NCCH blocks can be determined by looking at the flags.

	=== NCSD header ===		=== NCSD header ===
Line 16:		Line 16:
	\| 0x000		\| 0x000
	\| 0x100		\| 0x100
	\| RSA-2048 signature of the NCSD header~~, using SHA-256 (needs to be confirmed)~~		\| RSA-2048 SHA-256 signature of the NCSD header
	\|-		\|-
	\| 0x100		\| 0x100
	\| 4		\| 4
	\| Magic ~~ID, always~~ 'NCSD'		\| Magic Number 'NCSD'
	\|-		\|-
	\| 0x104		\| 0x104
	\| 4		\| 4
	\| Size of the ~~CCI~~ image, in media units (1 media unit = 0x200 bytes)		\| Size of the NCSD image, in media units (1 media unit = 0x200 bytes)
	\|-		\|-
	\| 0x108		\| 0x108
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	Parts of the first NCCH block's header are found around 0x1000 for whatever reason.		Parts of the first NCCH block's header are found around 0x1000 for whatever reason.

	~~CCI~~ can hold up to 13 CXI (i.e. Mario Kart 7 holds 4 CXIs, most we've seen so far)		NCSD can hold up to 13 CXI (i.e. Mario Kart 7 holds 4 CXIs, most we've seen so far)

	~~CSU files are basicaly CCI files.~~

Matyapiro31 at 00:14, 27 February 2012

2012-02-26T23:14:26Z

← Older revision		Revision as of 02:14, 27 February 2012
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	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"
	\|-		\|-
	! ~~OFFSET~~		! Offset
	! ~~SIZE~~		! Size
	! ~~DESCRIPTION~~		! Description
	\|-		\|-
	\| 0x000		\| 0x000