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 67/AX=DE0Ah

See also: 310400

21250C - Phar Lap 386/DOS-Extender - GET HARDWARE INTERRUPT VECTORS