Table of Contents
Note: This API call is for DOS personality only. Use Family API for portability.
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 Ralf Brown Interrupt List Release 61