NAME
        LoadRGB4 -- Load RGB color values from table.

   SYNOPSIS
        LoadRGB4( vp, colors , count )
                 a0     a1     d0:16

        void LoadRGB4( struct viewport *, uword *, word);

   FUNCTION
     load the count words of the colormap from table starting at
        entry 0.

   INPUTS
        vp - pointer to viewport, whose colors you wish to change
        colors - pointer to table of RGB values set up as an array
                 of USHORTS
                        background--  0x0RGB
                        color1    --  0x0RGB
                        color2    --  0x0RGB
                         etc.         uword per value.
                The colors are interpreted as 15 = maximum intensity.
                                              0 = minimum intensity.
        count   = number of UWORDs in the table to load into the
          colormap starting at color 0(background) and proceeding
          to the next higher color number

   RESULTS
        The viewport should have a pointer to a valid colormap to store
        the colors in.
        Updates the hardware copperlist to reflect the new colors.
        Updates the intermediate copperlist with the new colors.

   BUGS

        NOTE: Under V36 and up, it is not safe to call this function
        from an interrupt, due to semaphore protection of graphics
        copper lists.

   SEE ALSO
        setrgb4() getrgb4() getcolormap() graphics/view.h