3. Write an assembly code that calculates the sum as given below: COUNT SUM = i = 1 + 2 + 3 + 4 + ..... +COUNT Variable COUNT is saved in register ro. The SUM is saved in register r1. Use any Cortex-M4 processor of your like. Use COUNT = 10. For each iteration of i, record the values of the following registers [10] i PC RO R1 R2 R4 XPSR NZ CVQ 1 2 3 4 5 6 7 8 9 10