INT 21 - DOS 2+ - "MKDIR" - CREATE SUBDIRECTORY AH = 39h DS:DX -> ASCIZA NUL-terminated ASCII string. The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h. Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. 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 SeeAlso: AH=3Ah,AH=3Bh,AH=6Dh,AX=7139h,AH=E2h/SF=0Ah,AX=43FFh/BP=5053h SeeAlso: INT 2F/AX=1103h,INT 60/DI=0511h