Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                 INT 21,2F - Get Disk Transfer Address (DTA)                 
                                                                                
                                                                                
        AH = 2F                                                                 
                                                                                
                                                                                
        on return:                                                              
        ES:BX = pointer to current DTA                                          
                                                                                
                                                                                
        - returns the DTA address                                               
        - the default DTA is a 128 byte block at address 80h in the             
          Program Segment Prefix (PSP).  This area also contains the            
          command tail at program startup it must be saved or the DTA           
          must be relocated before use to preserve the command tail             
                                                                                
        - see   INT 21,1A                                                       
                                                                                
                                                                                
 

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