Desing a logic circuit that implements a serial adder/subtracter with accumulator for a 6-bit binary number. you should use one of the imputs to select between the adder and the subtracter. Asumme that negative numbers are represented by 2's complement. Use clocked D-type flip-flop and any kind of gates. you must provide the following informations:
a. A block diagram for your solution(Logic Circuit).
b. A state diagram ( either Moore or Mearly) for the controller circuit