Using assembly language

Programming Exercise 4 (8 points): (Implementing ReadHexByte) The objective is to write the procedure ReadHexByte to input from the keyboard a byte b (i.e., two digits) and store b in the register AL. In order to achieve this, you must read consecutively two hexadecimal digits from the keyboard (use ReadChar for each digit). We assume that the user will enter only TWO hexadecimal