2. Write an SC program that calls a subroutine to double anumber and store the r

2. Write an SC program that calls a subroutine to double anumber and store the result in memory. Use the register transfernotation (RTN) for the small computer we developed in class. a. Theprogram must use the JnS JumpI and AddI instructions. b. Thesource code should show Address Label Instruction and Commentcolumns.