INT 7F U - Voyetra Multimedia Player - VMP.EXE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes.
	AX = 564Dh ('VMsee Virtual Machine')
	BH = C1h
	BL = function (00h-1Bh)
	    00h ???
		Return: CF clear
			AX = 0000h
	???
Return: AX = FFFFh if invalid function
	???
SeeAlso: AX=4331h,AX=5658h