Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Int 14h
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  Interrupt:   14h
 
  Title:       COM Port Interrupts
 
  See also:    Parallel and Serial Polling
 
  Function     Name
 
  00h          Initialize Communications Port
  01h          Write Character to Communications Port
  02h          Read Character from Communications Port
  03h          Get Communications Port Status
  04h          Extended Initialize Communications Port
  05h          Extended Communications Port Control
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