</li>
            <li>Operand B</li>
            <li>ALU function</li>
        </ol>
    </li>
    <li>ALU operation without operands command. This command executes the ALU operation on the stored values in the first two registers in the register file directly. This command consists of 2 frames as follows: 
        <ol>
            <li>Command opcode (0xDD)</li>
            <li>ALU function</li>
        </ol>
    </li>
</ul>
<p>In all ALU commands, the UART transmitter sends two consecutive frames (becuase 