Design a $2$ bit ALU with accumulator by performing two equations

Operation $1$: F$=$ X$-$Y Subtraction

Operation $2$: F$=$ X$+$Y$\text{'}+1$ Add $2\text{'}$s complement of Y to X

What is truth table, k$-$map, boolean expression of each operation

What is the circuit diagram of Alu

Answer in details