INT 21 - DOS 1+ - CREATE OR TRUNCATE FILE USING FCB
AH = 16h
DS:DX -> unopened FCB (see AH=0Fh), wildcards not allowed
Return: AL = status
00h successful
FFh directory full or file exists and is read-only or locked
Notes:  if file already exists, it is truncated to zero length
if an extended FCB is used, the file is given the attribute in the
FCB
not supported by MS Windows 3.0 DOSX.EXE DOS extender
SeeAlso: AH=10h,AH=3Ch

See also: 210F

2116 - DOS 1+ - CREATE OR TRUNCATE FILE USING FCB