|  |  | Copyright 1991 David Jurgens | 
  
    | 
        
          | INT 21,E - Select Disk
 
 
 AH = 0E
 DL = zero based, drive number (0-25, A: - Z:)
 
 
 on return:
 AL = one based, total number of logical drives including
 hardfiles (1-26)
 
 
 - for DOS 3.x+, this function returns the number of logical
 drives or the value of LASTDRIVE (default of 5) in the
 CONFIG.SYS file
 
 
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    | Esc or Alt-X to exit | int 21,e | Home/PgUp/PgDn/End ←↑↓→ |