Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

   ◄Summary►  ◄Detail►  ◄Example►  ◄Key to Flags►  ◄%OUT Directive►
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Output to Port                                   Flags:  O D I T S Z A P C
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Syntax:  OUT port,accumulator
 
  Transfers a byte or word to a port from the accumulator register.  The
  port address is specified by the destination operand, which can be DX
  or an 8-bit constant.
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