Click above to get retro games delivered to your door ever month!

        Reallocate pages

        Entry:
          AH = 51h
          DX = handle
          BX = number of pages to be allocated to handle
        Return:
          BX = actual number of pages allocated to handle
          AH = status
            00h successful
            80h internal error
            81h hardware malfunction
            83h invalid handle
            84h undefined function requested
            87h more pages requested than present in system
            88h more pages requested than currently available