Answer Happy

Could you please help me with this question? Please make a NEW solution!
I am hoping to get a fresh answer for it because people keep copying other's answers solutions and they are not good.
1. (30 pts) In designing a 32-bit byte-addressable (0,3)-GPR machine, if you choose to have only the following addressing modes supported register immediate register indirect with displacement similar to the ones shown in the class, show how each of the following addressing modes can be simulated (synthesized) by simulating the operation required in the given instruction using a sequence of your machine instructions: (assuming contents of r0 is always 0) (a) add @(r3), (rl)-, 20(r2,r4) (b) add 0x0123456, 8(r3), r5 (assuming a word-size operation)