Global Transparency Colour Register: Difference between revisions

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Revision as of 10:00, 14 April 2019

Number TBRegisterNumber::$14
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::Yes
Short Description ShortDesc::Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.


Transparency color value (0xE3 after a reset).

This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

This only affects Layer 2, ULA and LoRes. Sprites use {{#ask: TBRegisterNumber::$4B }} ($4B) for transparency, Tilemap uses {{#ask: TBRegisterNumber::$4C }} ($4C).