FIX CLEAR: Difference between revisions
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== | == FIX_CLEAR ($C004C2): Clear fix layer == | ||
'''Warning:''' register contents aren't preserved ! (Uses D0, D1, and A0) | '''Warning:''' register contents aren't preserved ! (Uses D0, D1, and A0) | ||
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Clears all the [[fix layer]] with tile # $FF, palette 0. The leftmost and rightmost columns are cleared with tile # $20, palette 0. | Clears all the [[fix layer]] with tile # $FF, palette 0. The leftmost and rightmost columns are cleared with tile # $20, palette 0. | ||
In the [[SFIX|default fix tilesets]], tile # $FF is filled with color 0 (transparent). Tile # $20 is opaque (used for masking). | In the [[SFIX ROM|default fix tilesets]], tile # $FF is filled with color 0 (transparent). Tile # $20 is opaque (used for masking). | ||
[[Category:BIOS calls]] | [[Category:BIOS calls]] | ||
Latest revision as of 06:22, 16 January 2017
FIX_CLEAR ($C004C2): Clear fix layer
Warning: register contents aren't preserved ! (Uses D0, D1, and A0)
Clears all the fix layer with tile # $FF, palette 0. The leftmost and rightmost columns are cleared with tile # $20, palette 0.
In the default fix tilesets, tile # $FF is filled with color 0 (transparent). Tile # $20 is opaque (used for masking).