WFST:		PUSH AX
		AND AL, 7
		OR AL, 30H
		MOV AH, 28H
		XCHG AL, AH
		PUSH AX
		MOV AX, 7473H
		STOSW
		POP AX
		STOSW
		MOV AL, 29H
		STOSB
		POP AX
		RET
