Run step by step the next program until the end program.

What is the final value for the register at the end of the program?

main: MOV R2, OX312 MOV R3, OX260 MOV R4,0X280 MOV R5,0X2AG0 MOV R6,#2 Loop: LDRB R0,[R2],#1 LDRB R1,[R2] CMPS RO,R1 BCSALFAo BCOALFA1 BVS ALFA2 BVC ALFA5 B main ALFA0: ASRB R0,#2 STRB R0,[R3,# 1] ! 3 A B ALFA3 RORB R0,#2 STRB R0,[R4,#21 ! B ALFA3 S U B B R0,#2 STR B R0,[R5,#3]! SUBS R6,# 1 BNE Loop ALFA1: ALFA2: ALFA3: * END PROGRAM** STOP: B STOP NOP NOP