INT 21 P - Phar Lap 386/DOS-Extender - GET REAL-MODE INTERRUPT VECTOR AX = 2503h CL = interrupt number Return: CF clear EBX = CS:IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. of real-mode interrupt handler Note: this function is also supported by FlashTek X-32VM SeeAlso: AX=2502h,AX=2504h,AH=35h,INT 31/AX=0200h