public void Execute_SignBitOne()
        {
            reg[17] = 0x82345678;
            target  = new SraInstruction(16, 17, 8);

            target.Execute(ref pc, mem, reg);

            Assert.AreEqual(0xFF823456, reg[16]);
            Assert.AreEqual(0x4, pc);
        }
        public void ToString_Formatted()
        {
            target = new SraInstruction(16, 17, 8);

            Assert.AreEqual("SRA $s0, $s1, 8", target.ToString());
        }