public void CopyToAccumulatorInstruction_TakesValueUnderCurrentPosition_CopiesValueToAccumulator()
{
var context = CreateContext(new MemoryPosition(3, 2));
var sut = _factory.CreateInstruction("A");
sut.Execute(context);
context.Accumulator.ShouldBe(0xE);
context.MarkedEntry.ShouldBe(0xE);
}
public void Execute_PointsToSelf_Throws()
{
var context = CreateContext(5, 2);
var sut = _factory.CreateInstruction("C0");
Assert.Throws <InvalidComparatorJumpError>(
() => sut.Execute(context));
context.ExecutionStackPointer.Value.ShouldBe(2);
context.ExecutionStackPointer.Step.ShouldBe(1);
context.Accumulator.ShouldBe(5);
}
public void InstructionsInitialized_WithComment()
{
InstructionFactory instrFact = new InstructionFactory();
Instruction expected = instrFact.CreateInstruction(0x201d003c);
Assert.AreEqual(expected.ToString(), target.Mips.InstrMem.GetInstruction(0).ToString());
}
public void ExecuteMoveRightInstruction_CanMoveRight_ExecutesProperly(int row, int expectedValue)
{
var context = CreateContext(new MemoryPosition(row, 0));
var sut = _factory.CreateInstruction("R");
sut.Execute(context);
context.Position.Row.ShouldBe(row);
context.Position.Column.ShouldBe(1);
context.MarkedEntry.ShouldBe(expectedValue);
}
public void Run()
{
State = new EmulatorState();
State.Initialize(instructions);
do
{
Instruction currentInstruction = InstructionFactory.CreateInstruction(State.GetCurrentInstruction());
State = currentInstruction.Run(State);
} while (!State.TerminateRun);
}
public void Process()
{
var instructionFactory = new InstructionFactory(_input);
var reading = true;
List <long> errorProgram = new List <long>();
do
{
var opCode = softwareProgram[InstructionPointer];
IInstruction instruction = instructionFactory.CreateInstruction(opCode, InstructionPointer, RelativeBase);
if (instruction != null)
{
if (instruction is StopInstruction)
{
if (errorProgram.Count > 0 && errorProgram[0] != Output)
{
ErrorProgram = new SoftwareProgram(errorProgram.ToArray());
}
reading = false;
HasStopped = true;
}
else if (instruction is RelativeBaseOffsetInstruction)
{
RelativeBase = ((RelativeBaseOffsetInstruction)instruction).GetRelativeBase(ref softwareProgram);
}
else if (instruction is OutputInstruction)
{
Output = ((OutputInstruction)instruction).GetOutput(ref softwareProgram);
if (OutputReceiver != null)
{
OutputReceiver.ReceiveInput(Output);
reading = false;
}
else if (_outputReceiverIsSelf)
{
reading = false;
}
else
{
errorProgram.Add(Output);
}
}
else
{
softwareProgram.ProcessInstruction(instruction);
}
InstructionPointer = instruction.MoveInstructionPointer();
}
else
{
reading = false;
}
} while (reading && InstructionPointer < SoftwareProgram.Length);
}
//[Ignore("TEST NOT YET NEEDED")]
public void TestInitInstructionMemory()
{
uint[] instructions = new uint[] {
0x201d0f3c, 0x3c08ffff, 0x3508ffff, 0x2009ffff, 0x1509001b, 0x00084600, 0x3508f000, 0x00084203, 0x00084102,
0x340a0003, 0x01495022, 0x01484004, 0x010a582a, 0x010a582b, 0x20080005, 0x2d0b000a, 0x2d0b0004, 0x2008fffb,
0x2d0b0005, 0x3c0b1010, 0x356b1010, 0x3c0c0101, 0x218c1010, 0x016c6824, 0x016c6825, 0x016c6826, 0x016c6827,
0x8c040004, 0x20840002, 0x2484fffe, 0x0c000021, 0xac020000, 0x08000020, 0x23bdfff8, 0xafbf0004, 0xafa40000,
0x28880002, 0x11000002, 0x00041020, 0x0800002e, 0x2084ffff, 0x0c000021, 0x8fa40000, 0x00441020, 0x00441020,
0x2042ffff, 0x8fbf0004, 0x23bd0008, 0x03e00008
};
InstructionFactory instrFact = new InstructionFactory();
Instruction[] instrs = new Instruction[instructions.Length];
int i = 0;
foreach (uint instr in instructions)
{
instrs[i] = instrFact.CreateInstruction(instr);
i++;
}
target = new InstructionMemory(instrs);
uint pc = 0;
var dataMem = new DataMemory(10000);
var map = new MappedMemoryUnit(dataMem, 0);
var unitList = new List <MappedMemoryUnit> {
map
};
var dataMemory = new MemoryMapper(unitList);
var registers = new Registers();
int icount = 0;
uint a = 99;
dataMemory[4] = a;
while (pc < instructions.Length * 4 && icount < 1000000)
{
//Console.WriteLine($"{pc:X8}: {target[pc]}");
target.GetInstruction(pc).Execute(ref pc, dataMemory, registers);
icount++;
}
Console.WriteLine(dataMemory[0]);
Assert.AreEqual(a * a, dataMemory[0]);
}
public void ExecuteBackwardJump_ExecutionStackPointerPointsAtStart_Throws()
{
var context = CreateContext(5, 0);
var sut = _factory.CreateInstruction("J5");
Assert.Throws <InvalidJumpError>(
() => sut.Execute(context));
context.ExecutionStackPointer.Value.ShouldBe(0);
context.ExecutionStackPointer.Step.ShouldBe(1);
context.Accumulator.ShouldBe(5);
}
public void SetUp()
{
uint[] instructions = new uint[] {
0x201d0f3c, 0x3c08ffff, 0x3508ffff, 0x2009ffff, 0x1509001b, 0x00084600, 0x3508f000, 0x00084203, 0x00084102,
0x340a0003, 0x01495022, 0x01484004, 0x010a582a, 0x010a582b, 0x20080005, 0x2d0b000a, 0x2d0b0004, 0x2008fffb,
0x2d0b0005, 0x3c0b1010, 0x356b1010, 0x3c0c0101, 0x218c1010, 0x016c6824, 0x016c6825, 0x016c6826, 0x016c6827,
0x8c040004, 0x20840002, 0x2484fffe, 0x0c000021, 0xac020000, 0x08F00020, 0x23bdfff8, 0xafbf0004, 0xafa40000,
0x28880002, 0x11000002, 0x00041020, 0x0800002e, 0x2084ffff, 0x0c000021, 0x8fa40000, 0x00441020, 0x00441020,
0x2042ffff, 0x8fbf0004, 0x23bd0008, 0x03e00008
};
InstructionFactory instrFact = new InstructionFactory();
Instruction[] instrs = new Instruction[instructions.Length];
for (int i = 0; i < instructions.Length; i++)
{
instrs[i] = instrFact.CreateInstruction(instructions[i]);
}
InstructionMemory instrMem = new InstructionMemory(instrs);
var dataMem = new DataMemory(10000);
dataMem[4] = 99;
var map = new MappedMemoryUnit(dataMem, 0);
var unitList = new List <MappedMemoryUnit> {
map
};
var mem = new MemoryMapper(unitList);
memDict = new Dictionary <Type, List <MemoryUnit> >();
memDict.Add(instrMem.GetType(), new List <MemoryUnit> {
instrMem
});
memDict.Add(mem.GetType(), new List <MemoryUnit> {
mem
});
target = new Mips(0x0, memDict);
}
public static IInstruction Parse(Token token) => InstructionFactory.CreateInstruction(Map[token]);
public void CreateInstructionCalled_UnknownMnemonic_Throws(string mnemonic)
{
Assert.Throws <UnknownInstructionError>(
() => _sut.CreateInstruction(mnemonic));
}
public void CreateInstruction_ADD()
{
Instruction i = target.CreateInstruction(0x00000020);
Assert.AreEqual(typeof(AddInstruction), i.GetType());
}
public void TestInstructionInstanciation()
{
List <IDefinition> empty = new List <IDefinition>();
List <IDefinition> one_int = new List <IDefinition> {
Scalar.Integer
};
List <IDefinition> dbl_int = new List <IDefinition> {
Scalar.Integer, Scalar.Integer
};
List <IDefinition> trp_int = new List <IDefinition> {
Scalar.Integer, Scalar.Integer, Scalar.Integer
};
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.AND, empty).GetType() == typeof(And));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.OR, empty).GetType() == typeof(Or));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.DIFFERENT, dbl_int).GetType() == typeof(Different));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.EQUAL, dbl_int).GetType() == typeof(Equal));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.GREATER, dbl_int).GetType() == typeof(Greater));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.GREATER_EQUAL, dbl_int).GetType() == typeof(GreaterEqual));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.LOWER, dbl_int).GetType() == typeof(Less));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.LOWER_EQUAL, dbl_int).GetType() == typeof(LessEqual));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.ACCESS, trp_int).GetType() == typeof(Access));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.BINARY_AND, trp_int).GetType() == typeof(BinaryAnd));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.BINARY_OR, trp_int).GetType() == typeof(BinaryOr));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.XOR, trp_int).GetType() == typeof(Xor));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.ADD, trp_int).GetType() == typeof(Add));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.SUB, trp_int).GetType() == typeof(Substract));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.DIV, trp_int).GetType() == typeof(Divide));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.MUL, trp_int).GetType() == typeof(Multiplicate));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.MOD, trp_int).GetType() == typeof(Modulo));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.LEFT_SHIFT, trp_int).GetType() == typeof(LeftShift));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.RIGHT_SHIFT, trp_int).GetType() == typeof(RightShift));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.BINARY_NOT, dbl_int).GetType() == typeof(BinaryNot));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.NOT, one_int).GetType() == typeof(Not));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.INVERSE, dbl_int).GetType() == typeof(Inverse));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.ENUM_SPLITTER, new List <IDefinition> {
new EnumType()
}).GetType() == typeof(EnumSplitter));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.GETTER, new List <IDefinition> {
new Variable()
}).GetType() == typeof(Getter));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.SETTER, new List <IDefinition> {
new Variable()
}).GetType() == typeof(Setter));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.FUNCTION_CALL, new List <IDefinition> {
new Function()
}).GetType() == typeof(FunctionCall));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.IF, empty).GetType() == typeof(If));
Assert.IsTrue(InstructionFactory.CreateInstruction(InstructionFactory.INSTRUCTION_ID.WHILE, empty).GetType() == typeof(While));
}