Global Transparency Colour Register: Difference between revisions
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|ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data. | |ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data. | ||
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Transparency color value (0xE3 after a reset). | Transparency color value (0xE3 after a reset). | ||
Revision as of 23:17, 19 April 2019
| Next Register Number | $14 |
|---|---|
| Readable | Yes |
| Writable | Yes |
| Short Description | 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 NextReg:$4B for transparency, Tilemap uses NextReg:$4C.