arm assembly question. Comment each instruction pls

AREA LOGIC, CODE, READONLY ;name the block ENTRY;mark first instruction ; Registers used in this program ; ro holds the value of the first operand ;r1 holds the value of the second operand ; r2, r3, r4 hold the results SETR Idr ro, =0x40021018 Idrr1, =0x40011000 Idr r2, =0x00000000 Idr r3, =0x00000000 Idr r4, =0x00000000 ARTMFCT add r2, ro, r1 sub r3, r1, ro mul r4, r, r1 add r4, r2, r3 stop B stop END PART 1: Simple programming example Note: You can refer to lab1 and lab2 for steps on how to create a project, a new a- Comment the above program by describing what each instruction does