Int E0  - Real/32 - "p_term" - Terminate Calling Process                   [O]

   CL = 8Fh
   DX = termination code

Return: never if successful
   AX = FFFFh on failure

Note:  this function can not terminate processes whose KEEP flag is set
   if the termination code is FFh, this function can terminate the process
     even if its SYSTEM flag is on; otherwise, only user processes can
     terminate themselves

See Also: INT E0/CL=90h,INT 21/AH=4Ch