ColourMapping in Drawfiles
This document is intentionally brief; refer to Sprites - ColourMap section for information pertaining to the changes in the sprite system for colour mapping.
DrawFile rendering flags :
bit 3 - If set, colour mapping function has been supplied, if clear, no colour mapping should be performed
R0 = flags R1 = pointer to draw file to render R2 = size of draw file R3 = pointer to transform, or 0 for identity R4 = pointer to clipping box, or 0 for none R5 = flatness R6 = pointer to colour mapping descriptor
i.e. flags updated and R6 used if ColourMapping set.
R0 = type R1 = service number R2 = pointer torender state +12 = flags +32 = pointer to colour mapping descriptor
i.e. two added values to the state and the flags updated.
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