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====== Int 17H, AH=01H ======

===== Version =====

IBM 5150 and higher

===== Brief =====

Initialize printer port

===== Family API =====

[[en:docs:fapi:DosDevIOCtl]]

===== Input =====

  * AH = 01h
  * DX = printer number (00h-02h)

===== Return =====

  * AH = printer status (see #00631)

===== Macro =====

<code asm>
INCLUDE BIOS.INC

@PrnInit 0
</code>

===== Notes =====

  * some printers report that they are ready immediately after initialization when they actually are not; a more reliable result may be obtained by calling AH=02h after a brief delay

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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