public Instructions()
{
instructions["ST"] = new ST();
instructions["LD"] = new LD();
instructions["ADD"] = new ADD();
instructions["SUB"] = new SUB();
instructions["JMP"] = new JMP();
instructions["JN"] = new JN();
instructions["JP"] = new JP();
instructions["JZ"] = new JZ();
instructions["JNZ"] = new JNZ();
instructions["HALT"] = new HALT();
//Second architecture functions.
instructions["LD2"] = new LD2();
instructions["LD3"] = new LD3();
instructions["ST2"] = new ST2();
instructions["ST3"] = new ST3();
instructions["POS"] = new POS();
instructions["PXL"] = new PXL();
instructions["RND"] = new RND();
instructions["CLR"] = new CLR();
instructions["COS"] = new COS();
instructions["SIN"] = new SIN();
instructions["IN"] = new IN();
}
public void Test_HALT()
{
var expectedState = new CpuState();
expectedState.HaltMode = true;
var actualState = new CpuState();
var memoryMock = new Mock <IRandomAccessMemory>();
var instruction = new HALT();
instruction.Initialize();
//act
while (!instruction.IsFetchNecessary())
{
instruction.ExecuteCycle(actualState, memoryMock.Object);
}
TestHelper.AssertCpuState(expectedState, actualState);
memoryMock.Verify(m => m.WriteByte(It.IsAny <ushort>(), It.IsAny <byte>()), Times.Never);
}