Int 21 Fn 2505 P - Phar Lap 386/dos-extender - Set Real-mode Interrupt V [E] AX = 2505h CL = interrupt number EBX = CS:IP of real-mode interrupt handler Return: CF clear Note: this function is also supported by FlashTek X-32VM See Also: AX=2503h,AX=2504h,INT 31/AX=0201h