◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── include vdmad.inc VxDcall VDMAD_Default_Handler The VDMAD_Default_Handler service specifies the default DMA channel I/O callback procedure. This procedure receives notifications of virtual state changes and handles setting up the physical state to start DMA transfers. Parameter Description ──────────────────────────────────────────────────────────────────────────── EAX Specifies the DMA handle. EBX Specifies the virtual machine handle. Return Value This service has no return value. Uses All ♦