Offset: 68 (&44)
Set up by: you - use ZapRedraw_CreatePalette
This is a pointer to the palette table. All colours are specified
as offsets in the palette table. Thus if you set r_for to 1 then the module
will look up the word at offset 4*1 in the palette table when it comes to
printing a character.
r_palette format
DSA MODE:
The palette consists of a list of words giving the colour 'mask' to use for
this colour. The mask is duplicated to fill the word out. For example, in a
16 colour mode, the mask &AAAAAAAA would stand for actual screen
colour 10. The table:
r_palette -> &33333333
&66666666
&AAAAAAAA
&00000000
would cause 3 to be poked into the screen when in zap colour 0, 6 when in
zap colour 1 etc. The masks will usually correspond to the wimp colours. The
SWI ZapRedraw_CreatePalette is provided to set them up.
The actual value poked into the screen is: (Foreground mask AND bitmap) OR
(Background mask BIC bitmap) where the bitmap is as specified in r_caddr.
VDU MODE:
The palette consists of a list of words giving the 24 bit colour required.
The word is in the form of a standard palette entry. Ie, &BBGGRRxx where &BB
is the amount of blue etc. These will usually be set up by reading the wimp
palette. The SWI ZapRedraw_CreatePalette will do this for you.
ColourTrans calls will be used during the redraw to find
the closest available GCOL colour.
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