18

Brief

Get current directory

Input

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

See also