Int D4 Fn 1C  - PC-mos/386 V5.01 - Get/set Keyboard Mode                   [O]

   AH = 1Ch
   AL = subfunction (00h enable, 01h disable, 02h get mode)
   BX = task ID (FFFFh for current task)

Return: CF clear if successful
       CL = current keyboard state
   CF set on error
       AX = error code (INT 21/AH=59h)
Program: PC-MOS/386 is a multitasking/multiuser MS-DOS-compatible operating
     system by The Software Link, Inc.

See Also: AH=1Ah,AH=1Bh