1. (10) given the following code, write the values of ro and r1 after each line executes. write the values in hexadecimal. to help you check your work, i've filled out the last line. l# command ro r1 0 mov ro, #oxfe 90d120 1 rev r1, ro n rbit ro, ro 3 sub r1, #0x20d150fe 4 ldrsb ro, [r1], #1 5 add ro, r1 6 ldrsb ro, [r1], #1 7 bfi r1, ro, #4, #8 ox00000069 ox00004692