In memory of Ben “bushing” Byer, who passed away on Monday, February 8th, 2016.

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BMG files (view source)

Revision as of 21:24, 7 August 2010

1,792 bytes added ,  21:24, 7 August 2010
Undo revision 88012 by Cease and Desist (Talk)
Line 1: Line 1: −
This is a warning to the owners of this site. My name is Shigeru Miyamoto and I am disappoint. You are breaking the DCMA laws. DCMA laws protect our freedoms far into the furture. There is over 9000 pages here and I want every single one of them gone by next week. This is not a threat but a promise. Every day after that week is up, I will sue you for $100,000 a day.
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Stores strings used in games for localization. Can be found in a Wii Fit and Wii Fit Plus disc.
   −
Thank you for using Nintendo. We must ensure our freedoms through use of the DCMA. This not the analog millennium one passed in 1000 A.D., but the digital one.
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The file structure is composed by a header and sections. The essential sections are INF and DAT. The MID section can also be found on Wii Fit Plus disc, and it is probably for message IDs.
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==CEASE==
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The file is not completely known.
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AND DESIST
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The endianess is Big Endian.
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=== BMG header ===
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The header is 32 bytes long.
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Here's a description of it:
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{| class="wikitable"
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! Offset
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! Size
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! Description
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|-
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| 0x0000
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| 4
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| "MESG" (0x4D455347)
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|-
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| 0x0004
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| 4
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| "bmg1" (0x626D6731)
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|-
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| 0x0008
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| 4
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| File size
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|-
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| 0x000C
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| 4
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| Number of sections? Version? (Wii Fit: 0x00000002, Wii Fit Plus: 0x00000003)
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|-
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| 0x0010
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| 4
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| Unknown (0x02000000)
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|-
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| 0x0014
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| 12
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| Padding?
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|}
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=== INF section ===
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It comes just after the BMG header. It contains information (like pointers) about the messages.
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==== INF header ====
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{| class="wikitable"
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! Offset
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! Size
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! Description
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|-
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| 0x0000
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| 4
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| "INF1" (0x494E4631)
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|-
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| 0x0004
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| 4
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| Size of this section (bytes from section beginning)
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|-
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| 0x0008
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| 2
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| Number of messages
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|-
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| 0x000A
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| 2
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| Size of each INF data (bytes)
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|-
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| 0x000C
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| 4
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| Padding?
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|}
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==== INF data ====
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For each message, there is a INF data about it. At Wii Fit, there is just the message offset. At Wii Fit Plus, there is two another fields.
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{| class="wikitable"
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! Offset
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! Size
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! Description
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|-
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| 0x0000
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| 4
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| Offset to the message (after DAT section header)
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|-
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| 0x0004
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| 4
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| Some flags? (0x00640000 seems to be "normal messages", 0x006E0000 for "menu choices" ...)
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|-
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| 0x0008
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| 4
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| ?
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|}
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=== DAT section ===
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It contains just header and the messages themselves.
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{| class="wikitable"
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! Offset
 +
! Size
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! Description
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|-
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| 0x0000
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| 4
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| "DAT1" (0x44415431)
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|-
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| 0x0004
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| 4
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| Section size (bytes from section beginning)
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|-
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| 0x0008
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| -
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| Messages
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|}
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=== MID section ===
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This section is probably message IDs. There appears to be one for each message and these can presumably be used by the wii to identify each message.
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{| class="wikitable"
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! Offset
 +
! Size
 +
! Description
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|-
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| 0x0000
 +
| 4
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| "MID1" (0x4D494431)
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|-
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| 0x0004
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| 4
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| Section size (bytes from section beginning)
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|-
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| 0x0008
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| 2
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| Number of entries
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|-
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| 0x000A
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| 2
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| ?
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|-
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| 0x000C
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| 4
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| Padding?
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|-
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| 0x0010
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| 4
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| Entry #1
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|-
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| 0x0014
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| 4
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| Entry #2
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|-
 +
| ...
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| 4
 +
| Entry #...
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|}
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[[Category:File formats]]
Randomdude
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