Global Transparency Colour Register: Difference between revisions
From SpecNext Wiki
Core 2.00.26 changes |
m Xalior moved page Global Transparency Register to Global Transparency Colour Register: match formal nextreg.txt name |
||
| (4 intermediate revisions by 4 users not shown) | |||
| Line 5: | Line 5: | ||
|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. | ||
}} | }} | ||
Transparency color value (0xE3 after a reset). | 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 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 | This only affects Layer 2, ULA, LoRes and 1-bit ("text mode") tilemap. Sprites use {{NextRegNo|$4B}} for transparency, 4-bit Tilemap uses {{NextRegNo|$4C}} except in text mode. | ||
Latest revision as of 17:25, 13 October 2025
| 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, LoRes and 1-bit ("text mode") tilemap. Sprites use {{#ask: TBRegisterNumber::$4B }} ($4B) for transparency, 4-bit Tilemap uses {{#ask: TBRegisterNumber::$4C }} ($4C) except in text mode.