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Mosaic: Difference between revisions
From SnesLab
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Game Name !! Mosaic Usage | ! Game Name !! Mosaic Usage !! Animated GIF | ||
|+ | |+ | ||
| ''Final Fantasy III (US)'' || when trying to select a disabled menu option | | ''Final Fantasy III (US)'' || when trying to select a disabled menu option || | ||
|+ | |+ | ||
| ''[[Final Fantasy Mystic Quest]]'' || upon entering battles and before/after loading new sections of the map | | ''[[Final Fantasy Mystic Quest]]'' || upon entering battles and before/after loading new sections of the map || [[File:mosaic_FFMQ.gif]] | ||
|+ | |+ | ||
| ''Star Ocean'' || upon entering every battle | | ''Star Ocean'' || upon entering every battle || | ||
|+ | |+ | ||
| ''[[Super Mario World]]'' || after selecting and entering a level | | ''[[Super Mario World]]'' || after selecting and entering a level || [[File:mosaic_SMW.gif]] | ||
|} | |} | ||
Revision as of 18:43, 5 July 2023
Mosaic is a screen pixellation effect. It can be enabled or disabled on a per-background basis via bits 0-3 of 2106h. For a given background, the color of the pixel at screen position (H,V) is:
output_color(H,V) = input_color(floor(H/size)*size, floor(V/size)*size)
where size is the value of bits 4-7 of 2106h plus one. Thus, the shaded output consists of a grid of solid-colored squares where each entire square's color matches that of its top-leftmost input pixel.
The first mosaic square's location is always (0,0). Sprites are unaffected by the mosaic filter.
The mosaic filter has a horizontal and vertical subsystem. [3]
Examples
| Game Name | Mosaic Usage | Animated GIF |
|---|---|---|
| Final Fantasy III (US) | when trying to select a disabled menu option | |
| Final Fantasy Mystic Quest | upon entering battles and before/after loading new sections of the map | 
|
| Star Ocean | upon entering every battle | |
| Super Mario World | after selecting and entering a level | 
|