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Backdrop Color: Difference between revisions

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A '''Backdrop Color''' is one that appears behind other layers.  The SNES has two backdrop colors: one for the main screen and one for the sub screen.
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 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 lives in COLDATA (2132h).
The sub screen's backdrop color is known as the '''fixed color''' and is set via the 8-bit COLDATA port (2132h).<sup>[1][2]</sup>


=== See Also ===
=== See Also ===
{| class="wikitable"
{| class="wikitable"
!colspan="5"|Other Layers
!colspan="7"|Other Layers
|+
|+
| [[Backdrop Color]] || [[Layer 4]] || [[Layer 3]] || [[Layer 2]] || [[Layer 1]]
| [[Backdrop Color]] || [[Layer 4]] || [[Layer 3]] || [[Layer 2]] || [[Layer 1]] || [[Sprite (hardware) | Sprite]] || [[BG3 High Priority Bit|BG3 High Prio]]
|}
|}


=== Reference ===
=== References ===
* https://problemkaputt.de/fullsnes.htm#snesppucolormath
# https://problemkaputt.de/fullsnes.htm#snesppucolormath
# [https://archive.org/details/SNESDevManual/book1/page/n131 page 2-27-18 of Book I] of the official Super Nintendo development manual


[[Category:Video]]
[[Category:Video]]
[[Category:Registers]]
[[Category:Color Math]]

Latest revision as of 16:18, 18 August 2024

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