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====== Int 21H, AH=39H ======

===== Version =====

2 and higher

===== Brief =====

"MKDIR" - CREATE SUBDIRECTORY

===== Family API =====


===== Input =====

        AH = 39h
        DS:DX -> ASCIZ pathname

===== Return =====

 CF clear if successful
            AX destroyed
        CF set on error
            AX = error code (03h,05h) (see #01680 at AH=59h/BX=0000h)

===== Notes =====

  all directories in the given path except the last must exist
        fails if the parent directory is the root and is full
        DOS 2.x-3.3 allow the creation of a directory sufficiently deep that
          it is not possible to make that directory the current directory
          because the path would exceed 64 characters
        under the FlashTek X-32 DOS extender, the pointer is in DS:EDX
          
===== See also =====

 AH=3Ah,AH=3Bh,AH=6Dh,AX=7139h,AH=E2h/SF=0Ah,AX=43FFh/BP=5053h
 INT 2F/AX=1103h,INT 60/DI=0511h

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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