Fallback Colour Register: Difference between revisions
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m Xalior moved page Transparency colour fallback Register to Fallback Colour Register: match formal nextreg.txt name |
fix default value description |
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Colour format is RRRGGGBB, like {{NextRegNo|$41}} uses. | Colour format is RRRGGGBB, like {{NextRegNo|$41}} uses. | ||
Value is 0 (black colour) | Value is set to 0xE3 by core upon soft reset, but I (Ped7g) think the NextZXOS sets it to 0 (black colour) upon finishing boot. | ||
This colour is also used for PAPER and BORDER when ULANext mode is enabled, and "full ink" (ink mask = 255) mode is selected. | This colour is also used for PAPER and BORDER when ULANext mode is enabled, and "full ink" (ink mask = 255) mode is selected. | ||
Latest revision as of 19:58, 5 April 2026
| Next Register Number | $4A |
|---|---|
| Readable | Yes |
| Writable | Yes |
| Short Description | 8-bit colour to be used when all layers contain transparent pixel. |
Colour format is RRRGGGBB, like NextReg:$41 uses.
Value is set to 0xE3 by core upon soft reset, but I (Ped7g) think the NextZXOS sets it to 0 (black colour) upon finishing boot.
This colour is also used for PAPER and BORDER when ULANext mode is enabled, and "full ink" (ink mask = 255) mode is selected.