Memory
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| Address | Size | Description |
|---|---|---|
| 0x02fffe00 | 0x160 | ntrheader |
| 0x02ffe000 | 0x1000 | twlheader |
| 0x02000400 | 0x220 | Default RAM system settings address |
| 0x02fffdfc | 4 | Ptr to RAM system settings |
RAM system settings structure format:(Sections in this structure not listed here are zero, sample data is included in descriptions.)
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x1 | Unknown, bit 3 is set when wireless comms are enabled, clear when comms are disabled(0x0f) |
| 0x3 | 0x1 | Unknown(0x01) |
| 0x5 | 0x1 | Country code, same as Wii country codes |
| 0x6 | 0x3 | Unknown, byte at 0x6 might be related to country code?(Offset 0x6 US: 0x01 Canada: 0x02 Offset 0x7: 0x09 0x74) |
| 0xa | 0x2 | u16 unknown(0x33d) |
| 0x10 | 0x1 | Byte unknown(0x01) |
| 0x1a | 0x2 | Unknown, language code?(0x70e for English, 0x20f for French) |
| 0x30 | 0x10 | Unknown |
| 0x44 | 0x1 | Favorite color |
| 0x46 | 0x2 | Bytes for birthday, month and day, respectively |
| 0x48 | 0x10 | UCS-2 nickname, max 8 characters |
| 0x5e | 0x38 | UCS-2 message, max 28 characters |
| 0x94 | 0x1 | Parental controls flags?(Parental controls fields are all zero when not in use) |
| 0x9b | 0x1 | Unknown(0x01) |
| 0x9c | 0x1 | Years of age for the highest permitted rating? |
| 0x9e | 0x1 | Unknown(0x06) |
| 0xa1 | 0x4 | Parental Controls PIN(ASCII) |
| 0xa6 | 0x40 | UCS-2 Parental Controls secret answer for PIN reminder, max 32 characters |
| 0x1e2 | 0x2 | Checksum over offset 0x1e4 size 12 bytes, uses BIOS_GetCRC16. |