Up to 512 different contents (bits) can be toggled, separated in groups of 8 contents (byte), where the LSB represents the first content from the group and the MSB represents the last content. The included contents bitfield serves to determine which contents from the TMD are part of the backup WAD. Each section is aligned to a 0x40-byte boundary. Sections are stored in backup WAD files in the same order from their headers (TMD, content data). Always set to zero (only used in savegames). Set to zero in backup WADs from content.bin files, set to parent title ID in DLCs (not the DLC title ID) and set to game title ID in savegames. Always set to zero (only used in savegames).īackup area size (total size from the start of this header to the end of the encrypted content data). Savegames use the same exact header, albeit with different fields filled and with an entirely different structure for the rest of the file. This can be useful to extract an embedded installable WAD from an ELF binary.įormat used by content.bin files to store content data from a channel copied or transferred to the SD card, which get saved to /private/wii/title//content.bin.Īlso used by downloadable content data stored in the SD card, which gets saved to /private/wii/data//.bin - in this context, represents a specific content index value from a TMD content record, expressed as a 3-digit number in base 10 notation (e.g. In a hex editor, the beginning of any installable WAD will be 00 00 00 20 49 73 00 00. It's usually the first decrypted 0x40 bytes from the first content file, and it is what gets installed into /meta by older SDK versions. The footer is an optional, unencrypted timestamp / buildstamp. Each content is individually aligned to a 0x40-byte boundary. The SHA-1 checksum of the decrypted content must match the hash from its corresponding TMD content record. These are encrypted using the decrypted titlekey from the Ticket and the content index as the IV (first two bytes, followed by 14 zeroes). The encrypted content data section is composed of content files, which are stored following the same order from the TMD content records. Sections are stored in installable WAD files in the same order from their headers (certificate chain, ticket, TMD, content data). 'ib' (ImportBoot?) is used for boot2 WADs, 'Is' for everything else.
Wii vc wads maker update#
DOL file for the program to be run when launched.Ĭommon format used for WAD files distributed in update partitions from Wii discs. The WAD files themselves contain either still images or a collection of images to be animated, as well as sound data. Although these tools are often associated with piracy, there are clearly legitimate uses for them as well.
One WAD generation system that still appears to be active is the CRAP system that appears to be. Wii System Channel WAD files exist for WiiMC, ftpii, and numerous others.įorwarders are somewhat easier to locate, a common one being the Narolez-NForwarder, for which source exists and is easily modifiable. A common technique is to use a somewhat generalized WAD that can be easily customized to then forward to another WiiBrew application stored on the SD card. Associated with WAD file generation are forwarders, which when loaded simply load another arbitrary application. WAD file creation seems to be an intricate process and tools are difficult to locate, and most are based on the. If a WiiBrew app isn't installed as a channel, it can usually only be launched from the Homebrew Channel itself. WAD files are often installed in the Wii System Menu to appear as channels, making launching easier. If you wish to discuss legitimate WAD files, please ensure you make clear which file you are talking about and what you will use it for, to prevent people jumping to conclusions about your intentions. Wiibrew does not in any way endorse piracy, and as such these uses of WAD files should not be discussed. Unfortunately, WAD files are often used to distribute pirated channels (both Virtual Console and WiiWare), due to the fact that they are also used by Nintendo and therefore easy to rip from the Wii and, for some WAD files, Nintendo's servers, and easy to create installers for.
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