Int 33 Fn FFF8  - Switch-it V3.23 - ???                                    [T]

   AX = FFF8h
   BX = ???
   CX = length of program name, including terminating NUL
   DS:SI -> ASCIZ program pathname

Return: ???
Program: Switch-It is a task switcher supporting up to 100 programs
     simultaneously by Better Software Technology, Inc.