HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                  INT 21,44,E / IOCTL,E - Get Logical Drive

       AH = 44h
       AL = 0E
       BL = physical drive number (0=default, 1=A:, 2=B:, 3=C:, ...)

       on return
       AX = error code if CF set  (see DOS ERROR CODES)
       AL = logical drive number assigned to physical drive
          = 0 if drive accessed by only one drive specifier
          = 1 if drive A:, 2 if drive B:, etc

       - used to determine the last drive designator used to access
         a drive if more than one logical drive designation applies
         to a device
       - implemented from DOS 3.2

Esc or Alt-X to exit int 21,44,e Home/PgUp/PgDn/End ←↑↓→
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