INT 17 - Alloy MW386 - DEFINE TEMPORARY FILENAME
AH = A8h
CX:SI -> ASCIZ filename without extension (max 8 chars)
Return: AL = status (see AH=81h)
Note:   allows application to specify banner page filename for spool files
collected from the application's printer output

See also: 17A9

17A8 - Alloy MW386 - DEFINE TEMPORARY FILENAME