RISC OS Open

RISC OS  OPEN


A fast and easily customised operating system for devices using ARM processor cores.

Documentation: Colour Mode

Programmer’s Reference Manuals
» Part 1 – Introduction
» Vectors
» Software Vector Numbers
» PaletteV
» PaletteV 1
» Colour Mode

Mode  
0-15 Logical colour = actual colour
16 Logical colour = RGB
17 1st flash = RGB
18 2nd flash = RGB
24 Border colour = RGB
25 Pointer colour = RGB

Notes

Add 128 to set supremacy bit.

Only the top four bits of RGB are currently in use. However, it is advisable to set the bottom bits to equal the top bits for future-proofing.

See also

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