DOS Fn 39H: Create a New Directory -- MKDIR

                                                         Compatibility: 2.0+ 
 Expects: AH    39H
          DS:DX address of an ASCIIZ string of a directory name
 Returns: AX    error code if CF is set to CY
    Info: Creates a new, empty directory.

    DS:DX points to an ASCIIZ string in the form...
          ...which identifies the directory to create.

   Notes: ■ A new directory can be created ONLY in an existing directory
            (this fn will NOT create several directory levels at once).

          ■ If drive and/or leading path are omitted, defaults are assumed.

          ■ The maximum length of the ASCIIZ string is 64 bytes.

See Also: Directory and File Functions
          DOS Functions