e = a % b
	LOAD	 21; 	acc = a
	DIV 	22;	acc = a / b (integer only)
	STORE 	28;	temp = a / b
	LOAD 	22;	acc = b
	MPY	28;	acc = b * (a / b [integer only])
	STORE 	29;	temp1 = b * (a / b [integer only])
	LOAD 	28; 	acc = a / b (integer only)
	SUB	29;	acc = a / b (integer only) - b * (a / b [integer only])
	STORE 	25;	e = a % b