INT 31 P - DPMIsee DOS Protected-Mode Interface 0.9+ - SET PROTECTED MODE INTERRUPT VECTOR AX = 0205h BL = interrupt number CX:(E)DX = selector:offset of handler Return: CF clear if successful CF set on error AX = error code (DPMIsee DOS Protected-Mode Interface 1.0+) (8022h) (see #03143) Notes: 16-bit programs use CX:DX, 32-bit programs use CX:EDX 32-bit programs must use a 32-bit interrupt stack frame when chaining to the next handler DPMIsee DOS Protected-Mode Interface implementations are required to support all 256 vectors hardware interrupts are reflected to the virtual machine's primary client, software interrupts to the current client not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=0201h,AX=0204h,INT 21/AX=2504h,INT 2C/AX=0007h SeeAlso: INT 2F/AX=FB42h/BX=0025h