use cortex-m3 16-bit thumb-2 instruction encoding

(8. Test for complex roots in solution to the following quadratic equation: ax2 + bx + c = 0 The solution has complex roots if b2 - 4ac is smaller than 0 and real roots otherwise. Suppose a, b, and care signed integers and they are stored in register ro, r1, and r2. Write an assembly program that set register r3 to 1 if the solution has complex roots and otherwise. (8. Test for complex roots in solution to the following quadratic equation: ax2 + bx + c = 0 The solution has complex roots if b2 - 4ac is smaller than 0 and real roots otherwise. Suppose a, b, and care signed integers and they are stored in register ro, r1, and r2. Write an assembly program that set register r3 to 1 if the solution has complex roots and otherwise