Int 17 Fn 99  - Alloy Ntnx, Mw386 - Get/set Printer Mode                   [N]

   AH = 99h
   AL = mode
       00h NTNX compatibility
       DL = NTNX printer number (see #0567)
           (FFh = task's current logical LPT1)
       DH = mode (see #0568)
       01h MW386
       DX = MW386 printer number
       CL = mode (as for DH above)

Return: AL = status (see #0566)
   DH = mode (bits 1 and 2 set as above)
   DL = printer owner's user number if not spooled

Bitfields for Alloy printer mode:
 0 get mode if 1, set mode if 0    (Table 0568)
 1 private ("attached")
 2 direct instead of spooled
 3-7   reserved (0)