X-Hacker.org- Interrupts & Ports

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        Random disk record read (INT 21h, 21h)

        Entry:
          AH = 21h
          DS:DX = address of FCB
        Return:
          AL = status
                0 successful read
                1 end of file
                2 data transfer area too small
                3 partial record, EOF

        Note: Data is placed in the DTA

See Also: INT 21h, 0Fh INT 21h, 1Ah

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