INT 17 - Alloy MW386 - CHANGE TEMPORARY SPOOL DRIVE
AH = A9h
AL = new spool drive (2=C:,3=D:,etc)
Return: AL = status (see AH=81h)
Note:   does not remove previous spooling directory since jobs may be pending

See also: 17A8

17A9 - Alloy MW386 - CHANGE TEMPORARY SPOOL DRIVE