AM:ReadTwlBackupInfo

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Request[edit]

Index Word Description
0 Header code [0x001E00C8]
1 Buffer 1 Size
2 Buffer 2 Size
3 Buffer 3 Size
4 0x10
5 FSFile Handle
6 (Buffer 1 Size << 4) | 0xC
7 Buffer 1 Pointer, output info. Processing is skipped for this when the pointer is NULL.
8 (Buffer 2 Size << 4) | 0xC
9 Buffer 2 Pointer, work buffer.
10 (Buffer 3 Size << 4) | 0xC
11 Buffer 3 Pointer, output DSiWare banner. Processing is skipped for this when the pointer is NULL.

Response[edit]

Index Word Description
0 Header code
1 Result code

Description[edit]

The specified file size must be >=0x4500. This reads the DSiWare header+banner from the file, and decrypts+verifies these sections. This also writes some data into Buf1 using the plaintext header.