Int 21 Fn 252B  P - Phar Lap 386/dos-extender V4.1 - Set Pagetable Entry/  [E]

   AX = 252Bh
   BH = 0Ah
   BL = subfunction
       00h set page table entry for linear address
       ECX = linear address for which to get page table entry
       01h set page table entry for logical address
       ES:ECX = address for which to get page table entry
   ESI = page table entry
   EDI = additional page table information

Return: CF clear if successful
   CF set on error
       EAX = error code
       0009h invalid address
       0082h running under DPMI

See Also: AX=252Bh/BH=09h