Update audio.inc

Optimization

Source/HBIOS/audio.inc

@@ -59,18 +59,19 @@ AUD_NOTE:
 	INC	C
 AUD_NOTE1:				; DIVIDE THE PERIOD
 	DEC	C			; BY TWO
-	JR	Z, AUD_NOTE2		; FOR EACH OCTAVE
+;	JR	Z, AUD_NOTE2		; FOR EACH OCTAVE
+	RET	Z
 	SRL	H
   	RR	L
 	JR	AUD_NOTE1
 
-AUD_NOTE2:
-	LD	A, L			; IF NOT ZERO
-	OR	H
-	RET	NZ			; RETURN THE CALCULATED PERIOD
-
-	CPL	
-	LD	H, A			; OTHERWISE RETURN -1 PERIOD (ERROR)
-	LD	L, A
-	RET
+;AUD_NOTE2:
+;	LD	A, L			; IF NOT ZERO
+;	OR	H
+;	RET	NZ			; RETURN THE CALCULATED PERIOD
+;
+;	CPL	
+;	LD	H, A			; OTHERWISE RETURN -1 PERIOD (ERROR)
+;	LD	L, A
+;	RET
 #ENDIF