Int 2C Fn 0025  P - Cloaking - Call V86-mode Procedure                     [m]

   AX = 0025h
   DS:EBX -> client register structure (see #2247)

Return: CF clear if successful
       client register structure updated
   CF set if no more nested procedure call space available

Notes: this call uses the V86-mode stack supplied in the client structure, and
     calls the routine specified by CS:IP in the client structure
   this function was first introduced with RM386 (RAM-MAN/386) v6.00

See Also: AX=0026h,AX=0027h,INT 31/AX=0301h