DOS Fn 19H: Query DOS Default Disk
Compatibility: 1.0+
Expects: AH 19H
──────────────────────────────────────────────────────────────────
Returns: AL DOS current default drive number (0=A, 1=B, etc.)
──────────────────────────────────────────────────────────────────
Info: Returns the drive number of the current DOS default disk.
Notes: ■ Add 'A' (65H) to AL to obtain a drive letter suitable for use
in handle-oriented file operations.
See Also: Fn 0eH (set default disk)
Directory and File Functions
DOS Functions
-♦-