CPS310 - COMPUTER ORGANIZATION II LAB 2 ARC, ARC ASSEMBLY, ARC SIMULATOR PART 4: 1. Please add comment for each line. a. Explain what the program intends to do. b. Assemble the code by hand. 2. Run the program through the simulator 3. What is the content of %r4 after this program is executed? ! Program 4 .begin .org main: d ld top: 0 2048 [a], %r1 [b], %r2 [c], %r3 %r4, 3, %ro done %r5, %r6, %ro else %r1, %r2, %r1 %r6, 1, %r6 bottom %r1, %r3, %r1 %r5, 1, %r5 %r4, 1, %r4 top %r3, [y] %r15+4, %ro 3000 M INUTE - - subcc be subcc bneg orcc addcc ba andcc addcc addcc ba st jmpl .org Oxao else: bottom: st SEE 15 DOO done: 0x33 0x52 2 .end