INT 31H 0205H: Set Protected-mode Interrupt Vector

                                                    Compatibility: DPMI 0.9+ 
 Expects: AX    0201H
          BL    interrupt number
          CX:DX (or CX:EDX) selector:offset of interrupt-handler
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 Returns: CF    NC (clear) if successful; else AX = DPMI Error Code
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    Info: Changes the address of a protected-mode interrupt handler.

          The value return in CX must be a protected mode selector (not a
          real-mode segment address).

See Also: DPMI API
          INT 2fH: Multiplex Interrupt
          DOS Functions
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