Category: sound/speech
Flags: available only in real or V86 mode

INT 2F - InterWave Game API - INSTALLATION CHECK

	AX = CD00h
	DX = 4957h ('IW')
	SI = 5645h ('VE')
Return: AL = FFh if installed
	    DX = 4554h ('ET')
	    SI = 454Bh ('EK')
Range:	AH=CDh-ECh, selected by scanning for an available multiplex number
SeeAlso: AX=CD00h/BX=464Fh,AX=CD01h"InterWave",AX=CD21h"InterWave"
SeeAlso: AX=CD80h"InterWave"