registers = {"R0":"000", "R1":"001", "R2":"010", "R3":"011", "R4":"100", "R5":"101", "R6":"110"}
flag_register = {"R0":"000", "R1":"001", "R2":"010", "R3":"011", "R4":"100", "R5":"101", "R6":"110","FLAGS":"111"}
#addresses/names of registers