Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                       INT 16,1 - Get Keyboard Status                       
                                                                                
                                                                                
        AH = 01                                                                 
                                                                                
                                                                                
        on return:                                                              
        ZF = 0 if a key pressed (even Ctrl-Break)                               
        AX = 0 if no scan code is available                                     
        AH = scan code                                                          
        AL = ASCII character or zero if special function key                    
                                                                                
                                                                                
        - data code is not removed from buffer                                  
        - Ctrl-Break places a zero word in the keyboard buffer but does         
          register a keypress.                                                  
                                                                                
 

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