INT 2F - MediaVision MVSOUND.SYS - GET DMAsee Direct Memory Access AND IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. CHANNELS
	AX = BC04h
Return: AX = 4D56h ('MV')
	BL = DMAsee Direct Memory Access channel
	CL = IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. number
SeeAlso: AX=BC00h/BX=3F3Fh,AX=BC01h"MVSOUND"