en:docs:dos:api:int21:47

Note: This API call is for DOS personality only. Use Family API for portability.

2018/09/07 07:04 · prokushev

Int 21H, AH=47H

Version

2 and higher

Brief

“CWD” - GET CURRENT DIRECTORY

Family API

Input

AH = 47h
DL = drive number (00h = default, 01h = A:, etc)
DS:SI -> 64-byte buffer for ASCIZ pathname

Return

CF clear if successful

    AX = 0100h (undocumented)
CF set on error
    AX = error code (0Fh) (see #01680 at AH=59h/BX=0000h)

Notes

the returned path does not include a drive or the initial backslash
many Microsoft products for Windows rely on AX being 0100h on success
under the FlashTek X-32 DOS extender, the buffer pointer is in DS:ESI
        

See also

AH=19h,AH=3Bh,AH=71h,INT 15/AX=DE25h

Note


en/docs/dos/api/int21/47.txt · Last modified: 2021/05/01 17:51 by prokushev