en:docs:dos:api:int21:39
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—en:docs:dos:api:int21:39 [2021/03/24 01:55] (current) – created prokushev
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 +{{page>en:templates:dosint}}
 +
 +====== 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]]
 +
 +{{page>en:templates:int}}
 +
 +{{page>en:templates:fapi}}
 +