Int 1A Fn E1  - Disk Spool Ii V4.0x - Get Status                           [c]

   AH = E1h
   CL = printer port (01h COM1, 02h COM2, 05h LPT1, 06h LPT2)

Return: AH = status
       00h successful
       CL = despooler state (00h disabled, 41h enabled)
       CH = spooler state (00h disabled, 41h enabled)
       DL = despooler activity (00h standing by, 41h printing)
       ES:BX -> ASCIZ name of current spool file (or next if AutoSpool
           or AutoDespool enabled)
       ES:SI -> ASCIZ name of current despool file
       ES:DI -> 3-byte file extension used by Disk Spool II
       F0h printer port not managed by Disk Spool II

Note:  this function is also supported by Vertisoft's Emulaser utility ELSPL,
     as that is a licensed version of Disk Spool II

See Also: AH=A0h,AH=E0h,AH=E2h