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Backdrop Color

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A Backdrop Color is one that appears behind all other layers. The SNES has two backdrop colors: one for the Main Screen and one for the Sub Screen.

The main screen's backdrop color is known as color 0 and is the very first entry of CGRAM.

The sub screen's backdrop color is known as the fixed color and is set via the 8-bit COLDATA port (2132h).[1][2]

See Also

Other Layers
Backdrop Color Layer 4 Layer 3 Layer 2 Layer 1 Sprite BG3 High Prio

References

  1. https://problemkaputt.de/fullsnes.htm#snesppucolormath
  2. page 2-27-18 of Book I of the official Super Nintendo development manual
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