public void EncodeOpCodeWithSource()
{
var op = new MaskedOpCode(OpCode.Add).SetSource(OpCodeFlag.Constant);
Assert.That(op.OpCode, Is.EqualTo(OpCode.Add));
Assert.That(op.Signed, Is.False);
Assert.That(op.Source, Is.EqualTo(OpCodeFlag.Constant));
Assert.That(op.Destination, Is.EqualTo(OpCodeFlag.None));
}
public static MaskedOpCode AsSigned(this MaskedOpCode opCode)
{
var code = (ushort)opCode;
code |= 0x8000;
return(new MaskedOpCode(code));
}
public void EncodeOpCodeWithDestination()
{
var op = new MaskedOpCode(OpCode.Add).SetDest(OpCodeFlag.MemoryAddress);
Assert.That(op.OpCode, Is.EqualTo(OpCode.Add));
Assert.That(op.Signed, Is.False);
Assert.That(op.Destination, Is.EqualTo(OpCodeFlag.MemoryAddress));
}
public static MaskedOpCode SetSource(this MaskedOpCode opCode, OpCodeFlag sourceFlag)
{
var code = (ushort)opCode;
code &= 0xf3ff;
var result = code | ((ushort)sourceFlag << 10);
return((MaskedOpCode)result);
}
public void EncodeOpCodeWithSourceAsString()
{
var op = new MaskedOpCode(OpCode.Add).SetDest(OpCodeFlag.MemoryAddress).SetSource(OpCodeFlag.Constant);
Assert.That(op.ToString(), Is.EqualTo("Add [rX] 0x0"));
op = op.SetSource(OpCodeFlag.Register);
Assert.That(op.ToString(), Is.EqualTo("Add [rX] rX"));
op = op.SetSource(OpCodeFlag.MemoryAddress);
Assert.That(op.ToString(), Is.EqualTo("Add [rX] [rX]"));
}
public static MaskedOpCode SetDest(this MaskedOpCode opCode, OpCodeFlag destFlag)
{
if (destFlag == OpCodeFlag.Constant)
{
throw new InvalidOperationException("Cannot set constant as destination vector");
}
var code = (ushort)opCode;
code &= 0xfcff;
var result = code | ((ushort)destFlag << 8);
return((MaskedOpCode )result);
}
public void EncodeOpCodeAsString()
{
var op = new MaskedOpCode(OpCode.Add);
Assert.That(op.ToString(), Is.EqualTo("Add"));
}
public void EncodeOpCodeAsSigned()
{
var op = new MaskedOpCode(OpCode.Add).AsSigned();
Assert.That(op.OpCode, Is.EqualTo(OpCode.Add));
Assert.That(op.Signed, Is.True);
}
public void EncodeOpCode()
{
var op = new MaskedOpCode(OpCode.Add);
Assert.That(op.OpCode, Is.EqualTo(OpCode.Add));
Assert.That(op.Signed, Is.False);
}
public Instruction(OpCode opCode, string commment = null)
: this()
{
MaskedOpCode = new MaskedOpCode(opCode);
Comment = commment;
}
public Instruction(OpCode opCode, string commment = null) : this()
{
MaskedOpCode = new MaskedOpCode(opCode);
Comment = commment;
}