Revision as of 23:50, 9 January 2008

Wii Disc

The first 0x400 bytes are like the GameCube disc header format.

offset	size	description
0x0000000000	`1`	Disctype R = Revoltion/Wii, G = GameCube, U = Utility disc(?) GameCube
0x0000000001	`2`	Gamecode
0x0000000003	`1`	Region, E = USA, P = PAL, J = JAP
0x0000000004	`2`	Maker Code
0x0000000006	`1`	Disc ID
0x0000000007	`1`	Version
0x0000000008	`1`	Audio Streaming
0x0000000009	`1`	Streaming Buffersize
0x000000000A	`14`	zero, unused?
0x0000000018	`4`	magicword, 0x5D1C9EA3
0x0000000020	`0x400`	Complete Gametitle

The Wii disc format uses parititions, mostly one is used for updates (the 1st) and the 2nd for the game.

offset	size	description
0x0000040000	`4`	Total partitions in the disc
0x0000040004	`4`	Partition info table offset, Address is (value << 2)

**Partition table entry**
offset	size	description
0x0000000000	`4`	Partition offset, Address is (value << 2)
0x0000000004	`4`	Partitions to follow ?, partition type ? It's always 1 for the first entry

**Partition data entry**
offset	size	description
0x00000000	`~0x1000`	certifications
0x00008000	`~0x5DC`	encrypted block, unknown
0x00020000	`x`	Start of the encrypted partition data

--Crediar 17:12, 4 January 2008 (MST)

@@ Line 43: / Line 43: @@
 | 0x0000040000 || align="center" | <tt>4</tt> || Total partitions in the disc
 |-
-| 0x0000040003 || align="center" | <tt>4</tt> || Partition info table offset, Address is (value << 2)
+| 0x0000040004 || align="center" | <tt>4</tt> || Partition info table offset, Address is (value << 2)
 |}
@@ Line 56: / Line 56: @@
 | 0x0000000000 || align="center" | <tt>4</tt> || Partition offset, Address is (value << 2)
 |-
-| 0x0000000003 || align="center" | <tt>4</tt> || Partitions to follow ?, partition type ? It's always 1 for the first entry
+| 0x0000000004 || align="center" | <tt>4</tt> || Partitions to follow ?, partition type ? It's always 1 for the first entry
 |}