INT 10h,  0Bh (11)       Set Color Palette

    Selects color palette for various display modes.

       On entry:      AX         0Bh
                      BH         Palette Color ID (0 or 1, See below)
                      BL         Color or palette value to be used with
                                 Color ID (0 - 31)

       Returns:       None

       Registers destroyed:      AX, SP, BP, SI, DI

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    If BH (Palette Color ID) is 0, then:
        ■    Sets background color for 320 x 200 graphics modes
        ■    Sets border color for text modes
        ■    Sets foreground color for 640 x 200 graphics modes

    BL contains the color to use. The EGA will set the
        ■    background color for 640 x 200 graphics modes.

    When setting the border color for text modes, colors 16-31 will select
    the high-intensity background set.

    If BH (Palette Color ID) is 1, then:
        ■    Selects the palette for 320 x 200 graphics modes

    The value in BL determines which palette combination to use, as
    defined below:

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                              Palette 0 (BL = 0)

                         Pixel Value          Color
                             0                Current background color
                             1                Green
                             2                Red
                             3                Brown
  ──────────────────────────────────────────────────────────────────────────
                              Palette 1 (BL = 1)

                         Pixel Value          Color
                             0                Current background color
                             1                Cyan
                             2                Magenta
                             3                White