Int 62 Fn 07  - Cswitch - Spawn                                            [T]

   AH = 07h
   ES:BX -> function address to start executing at
   CX = priority (1-10)

Return: AX = FFFDh  no free memory control blocks
      = FFFEh  no free task control blocks
      = FFFFh  not enough memory to create new task stack
      = >0     the tcb number of the new task, indicating no error

See Also: AH=0Fh,AH=10h