$10$ points$)$ There are two ways of expressing signed integers: $2$s complement and

sign$+$magnitude. $($In sign$+$magnitude, negative if MSB$=1.)$ Write a verilog module template

called shift that calls a function arith$\_$shift. The function takes two arguments: a $5-$bit signed

integer and a $1-$bit mode bit. $($The function is to perform an arithmetic shift on a $2$s

complement number if mode$=0$ and a sign$+$magnitude number if mode$=1).$ Only a $1-$bit shift

right is to be performed. In your module call the function as needed to shift the numbers $+4$

and $-4$ for each type of number representation and display the binary strings on standard out.

Simulate your design. Turn in your source code for the module and the testbench. Also include

a screen$-$shot of the results