4. Write a program to find y, where y = x2 + 2x, and x is an unsigned number between 0 and 254 by using the MUL AB instruction to perform the multiplication operation. Assume that x is stored at RAM location 30h and the result y need to be stored at RAM locations 31-32h. Use direct addressing mode to access operands and store the result in RAM. You can initialize the value of x at RAM location 30h by using an immediate addressing mode. Verify your program by running it on the Edsim51 simulator tool. Make sure to include comments in your assembly code