Implement the fetch

$()$

$$method for the fetch phase of a fetch

$/$

execute cycle. If you are following along in the unit test file, you will see there are unit tests before the fetch

$()$

$$unit tests to test the loadProgram

$()$

$$function$.$ You have already been given all of loadProgram

$()$

$,$

$$but you should read over this function and see if you understand how it works. Your implementation of fetch should be a simple single line of code if you reuse your peekAddress

$()$

$$function$.$ Basically, given the current value of the PC

$,$

$$you want to use peekAddress

$()$

$$to read the value pointed to by your PC and store this into the IR instruction register. How do I write the code? How do I write this code in C$++$