Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                     INT 17,2 - Read Printer Port Status                     
                                                                                
        AH = 02                                                                 
        DX = printer port to be used (0-2)                                      
                                                                                
                                                                                
        on return:                                                              
        AH = status:                                                            
                                                                                
                │7│6│5│4│3│2│1│0│  Printer status bits                          
                 │ │ │ │ │ │ │ └──── time out                                   
                 │ │ │ │ │ └─┴───── unused                                      
                 │ │ │ │ └──────── I/O error                                    
                 │ │ │ └───────── selected                                      
                 │ │ └────────── out of paper                                   
                 │ └─────────── acknowledge                                     
                 └──────────── not busy                                         
                                                                                
                                                                                
        - returns status of specified printer port                              
                                                                                
 

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