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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
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| Esc or Alt-X to exit |
int 21,44,e |
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