Int 10h, 1002h Set All Palette Registers EGA, VGA
Sets the 16 palette registers ("EGA registers") and the border
color (overscan) register.
Entry AX = 1002h
ES:DX = Pointer to table of color values
Return Nothing
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ES:DX points to a 17-byte color list, in which the first 16 bytes
consist of new values for the 16 palette registers and the last
byte is the new overscan register value.