Category: DOS extenders
Flags: available only in protected mode
INT 21 - Phar Lap 386/DOS-Extender - GET HARDWARE INTERRUPT VECTORS AX = 250Ch Return: CF clear AL = base interrupt vector for IRQ0-IRQ7 AH = base interrupt vector for IRQ8-IRQ15 BL = interrupt vector for BIOS print screen function (Phar Lap only) Note: this function is also supported by FlashTek X-32VM SeeAlso: INT 31/AX=0400h,INT 67/AX=DE0Ah