Backgrounds
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The SNES backgrounds consist of one or more layers of tilemaps.
There are 8 available background modes, which can be changed at any time via BGMODE.
Each mode has 1-4 layers, consisting of tiles that are 2bpp (4-color), 4bpp (16-color), or 8bpp (256-color).
| Mode | BG1 | BG2 | BG3 | BG4 | OPT | Hi-res |
|---|---|---|---|---|---|---|
| 0 | 2 | 2 | 2 | 2 | ||
| 1 | 4 | 4 | 2 | |||
| 2 | 4 | 4 | ✔ | |||
| 3 | 8 | 4 | ||||
| 4 | 8 | 2 | ✔ | |||
| 5 | 4 | 2 | ✔ | |||
| 6 | 4 | ✔ | ✔ | |||
| 7 | 8 | (7) |
