Task $3-$Assembly programming

Write an assembly language program for the WASP processor using the Sting assembler.

Your assembly program should allow the user to encrypt a message using a Caesar Cipher.

A "Caesar Cipher" is a simple and well$-$known way to encrypt text. To use it$,$ you first pick a number

$($called the "shift". For example, $3).$ Then every letter in the message has that number added to it$,$ to

move it forward in the alphabet. For example, in this case, $"$A$"$ becomes $"D"."B"$ becomes $"E"$ and

so on$.$ For numbers at the end of the alphabet, the letters start again from the beginning. In this

example the letter $"x"$ would become $"A"$ and the letter $"Y"$ would become $"B".$

Using a shift of $3,$ the text YELLOW SUBMARINE becomes BHOORZ VXEPDULQH.

Your program will work as follows:

Allow the user to type in a single digit for the shift. The shift will be between $0$ and $9.$ Your

program will store the number in a variable. You do not need to handle shifts larger than $9.$

The user will type text into the console. This will be converted to the encrypted text and

displayed on the screen.

The program will work for both upper$-$ and lower$-$case characters. The program will not

change spaces, digits, or other symbols.

The program will halt once it has displayed a line of text. $($Check for the new line character.$)$

For example, if the user enters a shift of $7,$ then enters "Good morning, Mr$.$ Turing!" your program

will display: