INT 17 - Alloy MW386 - CHANGE TEMPORARY SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. DRIVE AH = A9h AL = new spool drive (2=C:,3=D:,etc) Return: AL = status (see #00642) Note: does not remove previous spooling directory since jobs may be pending SeeAlso: AH=A8h