# pylint:disable=W0622
CMDs = ["ldr", "str"]


def ldr(self, operand):
    print("从内存的", operand[1], "处加载至寄存器", operand[0])
    if int(operand[1]) < len(self.dtMemory):
        value = self.dtMemory[int(operand[1])]
        self.registers[int(operand[0])] = value
    else:
        print("ERROR: Attempted to load from invalid memory address.")


def str(self, operand):
    # 往内存写入数据
    if int(operand[1]) < len(self.dtMemory):
        value = self.registers[int(operand[0])]
        print(value)
        self.dtMemory[int(operand[1])] = value
    else:
        print("ERROR: Attempted to store to invalid memory address.")