INT 17H 02H: Query Printer Status

 Expects: AH    02H
          DX    port number (0=LPT1, 1=LPT2, 2=LPT3)
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 Returns: AH    Bits set as in PrinterStatusRec (bit 0 set on time-out
                error)
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    Info: This obtains the current status of the specified printer port.

See Also: INT 17H (BIOS printer support)
          ROM-BIOS Functions
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