1. Please add comment for each line. a. Explain what the program intends to do. 2. Run the program through the simulator 3. What is the displacement value for: ba top be done 3. What is the content of %r1 after this program is executed? ! Program 3 begin .org main: Id top: subcc be srl addcc X: y: ba Lab: sethi done: st jmpl .org 800 0 .end 2048 [x], %2 %r1, 4, %10 done %r2, 1, %r2 %r1, 1, %1 top %r2, %10 %r3, [y] %r15+4, %0 3000