INT 80 - SBSIM - GETADDRESS" - GET SELECTED DRIVER'S ENTRY POINT

	BX = 0002h
	AX = driver (00h = FM,01h = DDBV,02h = memvoice,03h = mixer,04h = MIDI)
Return: CF clear if successful
	    DX:AX -> entry point
	CF set on error
SeeAlso: BX=0000h"SBSIM",BX=0001h"SBSIM",BX=0005h"SBSIM",INT 80/BL=00h"SBSIM"