Int 10 Fn 1015  - Video - Read Individual Dac Register (vga/mcga)          [V]

   AX = 1015h
   BL = palette register number

Return: DH = red value
   CH = green value
   CL = blue value
   AX destroyed by some BIOSes
         (e.g. Tseng ET4000 BIOS v8.00n always returns AX=00C9h)

See Also: AX=1010h,AX=1017h