INT 80 - SoundBlasterA common sound card developed by Creative Labs. SBFM driver - STOP MUSIC
	BX = 0007h
Return: AX = status
	    0000h successful
	    0001h music not active
SeeAlso: BX=0000h"SBFM",BX=0006h"SBFM",BX=0009h"SBFM",INT 1A/AX=FF05h