Transparency colour fallback Register
From SpecNext official Wiki
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 Palette Value Register ($41) uses.
Value is 0 (black colour) on reset.
This colour is also used for PAPER and BORDER when ULANext mode is enabled, and "full ink" (ink mask = 255) mode is selected.