protected override void Compile(Program program)
{
if (Operands[0].OperandType != OperandType.Register)
{
throw new NotSupportedException();
}
var w = RegistersManager.GetW(Operands[0].Value);
var regCode = RegistersManager.GetCode(Operands[0].Value);
BinaryCode.AddBits(1, 1, 0);
if (Operands[1].OperandType == OperandType.Direct)
{
var dir = int.Parse(Operands[1].Value);
if (dir == 1)
{
BinaryCode.AddBits(1, 0, 0, 0, w, 1, 1, 1, 1, 1);
BinaryCode.AddBits(regCode);
}
else
{
BinaryCode.AddBits(0, 0, 0, 0, w, 1, 1, 1, 1, 1);
BinaryCode.AddBits(regCode);
BinaryCode.AddBytes(dir.InReverseByteOrder(1));
}
}
else if (Operands[1].Value == "cl")
{
BinaryCode.AddBits(1, 0, 0, 1, w, 1, 1, 1, 1, 1);
BinaryCode.AddBits(regCode);
}
else
{
throw new NotSupportedException();
}
}
protected override void Compile(Program program)
{
if (Operands[0].OperandType != OperandType.Register)
{
throw new NotSupportedException();
}
BinaryCode.AddBits(0, 1, 0, 1, 0);
BinaryCode.AddBits(RegistersManager.GetCode(Operands[0].Value));
}
private void Define()
{
if (RegistersManager.IsRegister(Value))
{
OperandType = OperandType.Register;
}
else if (int.TryParse(Value, out _))
{
OperandType = OperandType.Direct;
}
else
{
OperandType = OperandType.Memory;
}
}
protected override void Compile(Program program)
{
if ((Operands[0].Value == "al" || Operands[0].Value == "ax") & Operands[1].OperandType == OperandType.Direct)
{
var w = RegistersManager.GetW(Operands[0].Value);
BinaryCode.AddBits(0, 0, 0, 0, 0, 1, 0, w);
BinaryCode.AddBytes(int.Parse(Operands[1].Value).InReverseByteOrder(w + 1));
}
else if (Operands.All(x => x.OperandType == OperandType.Register))
{
var w = Operands.ToW();
BinaryCode.AddBits(0, 0, 0, 0, 0, 0, 1, w, 1, 1);
BinaryCode.AddBits(RegistersManager.GetCode(Operands[0].Value));
BinaryCode.AddBits(RegistersManager.GetCode(Operands[1].Value));
}
else
{
throw new NotSupportedException();
}
}
protected override void Compile(Program program)
{
if (Operands[0].OperandType == OperandType.Direct)
{
throw new ArgumentException();
}
var w = Operands.ToW();
if (Operands.Count(x => x.Value == "al" || x.Value == "ax") == 1)
{
var d = Operands[0].OperandType == OperandType.Memory ? 1 : 0;
BinaryCode.AddBits(1, 0, 1, 0, 0, 0, d, w);
var inMemoryOperand = Operands.First(x => x.OperandType == OperandType.Memory);
var reference = program.Labels[inMemoryOperand.Value];
BinaryCode.AddBytes(reference.InReverseByteOrder(program.ReferenceSize));
program.ObjectFile.SegmentsBlock.CodeSegment.AddReference(
new BinaryCode(0xC4)
.AddBytes((Address - program.DataSize + 1 - reference).InReverseByteOrder(1))
.AddBytes(0x14, 0x01, 0x02));
}
else if (Operands[0].OperandType == OperandType.Register)
{
if (Operands[1].OperandType == OperandType.Direct)
{
BinaryCode.AddBits(1, 0, 1, 1, w);
BinaryCode.AddBits(RegistersManager.GetCode(Operands[0].Value));
BinaryCode.AddBytes(int.Parse(Operands[1].Value).InReverseByteOrder(w + 1));
}
else if (Operands[1].OperandType == OperandType.Register)
{
BinaryCode.AddBits(1, 0, 0, 0, 1, 0, 1, w, 1, 1);
BinaryCode.AddBits(RegistersManager.GetCode(Operands[0].Value));
BinaryCode.AddBits(RegistersManager.GetCode(Operands[1].Value));
}
}
else
{
throw new NotSupportedException();
}
}
public static int ToW(this IEnumerable <Operand> operands)
{
return(operands.Where(x => x.OperandType == OperandType.Register).Max(x => RegistersManager.GetW(x.Value)));
}
