X-Hacker.org- Programmers Reference 0.02b - <b>int 67h, 44h map memory</b>

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INT 67h,  44h  MAP MEMORY

On entry:
        AH = 44h
        AL = physical page number (0-3)
        BX = logical page number
        DX = handle

Return:
        AH = status
            00h function successful
            80h internal error
            81h hardware malfunction
            83h invalid handle
            84h undefined function requested
            8Ah invalid logical page number
            8Bh illegal physical-page number

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