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====== Int 31H, AH=03H, AL=04H ======

===== Version =====

0.9

===== Brief =====

Free Real Mode Callback Address

===== Input =====

  AX = 0304H
  CX:DX = real mode callback address to be freed

===== Return =====

  if function successful
  Carry flag = clear
  
  if function unsuccessful
  Carry flag = set
  AX = error code
  8024H	invalid callback address

===== Notes =====

Releases a real mode callback address that was previously allocated with the Allocate Real Mode Callback Address function (Int 31H Function 0303H).

Real mode callbacks are a limited system resource. A client should release any callback that it is no longer using.
       
===== See also =====

   

===== Note =====

Text based on [[http://www.delorie.com/djgpp/doc/dpmi/]]

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