Extended Banner
Overview
The Extended Banner format is very simple. The Extended Banner is used to add text (and optionally an extra texture) to a given banner. It can also (optionally) be used to set an expiration date for a banner.
See here for how the extended-banners are loaded from extdata. The Home Menu extended-banner loading function will immediately return without loading anything if the programID is for System Settings.
When Home Menu loads extended-banners, it also attempts to load a CBMD banner via SpotPass service commands. Normally this CBMD banner doesn't exist in extended-banner extdata. This is broken with New3DS titles since Home Menu uses these BOSS commands with the New3DS bitmask in the programID set.
Format
Extension: .BIN
| OFFSET | SIZE | DESCRIPTION |
|---|---|---|
| 0x000 | 0x002 | Texture width (if texture is used) |
| 0x002 | 0x002 | Texture height (if texture is used) |
| 0x004 | 0x002 | Texture colour format (if texture is used) |
| 0x008 | 0x004 | Year to expire |
| 0x00C | 0x002 | Month to expire |
| 0x010 | 0x002 | Day to expire |
| 0x014 | 0x015 | Name of texture (if texture is used) |
| 0x024 | 0x200 | Plain text comment (255 character max) to be displayed in the banner on the HOME Menu |
| 0x2A4 | If used, this is where the extra texture is located, otherwise file ends. |
The date used for never-expiring exbanners varies, on retail like with Mii Maker this is December 31, 2099, where year is 0x833, month is 0xC, and day is 0x1F.
Texture Colour Formats
| CODE | ENCODING |
|---|---|
| 0x00 | RGBA8 |
| 0x01 | RGB8 |
| 0x02 | RGBA5551 |
| 0x03 | RGBA565 |
| 0x04 | RGBA4 |
| 0x05 | LA8 |
| 0x06 | HILO8 |
| 0x07 | L8 |
| 0x08 | A8 |
| 0x09 | LA4 |
| 0x0A | L4 |
| 0x0B | A4 |
| 0x0C | ETC1 |
| 0x0D | ETC1A4 |
Titles using extended banners
System: