public Operand Create(ushort operandValue)
{
var key = OperandTypeMapper.Keys.Last(k => k.Any(e => e <= operandValue));
this.Operand = OperandTypeMapper[key]();
this.Operand.OperandValue = operandValue;
return this.Operand;
}
public Operand Build(TokenBase token)
{
this.Operand = this.CreateOperand(token);
this.SetRegisterValue(token);
this.SetNextWordValue(token);
this.SetLabelValue(token);
return this.Operand;
}
public CpuOperation(Operand operand, ICpuStateOperations cpuStateManager)
{
this.operand = operand;
this.cpuStateManager = cpuStateManager;
}
private void AssembleNextWordOperand(Operand operand)
{
if (operand is NextWordOperand || operand is IndirectNextWordOperand || operand is IndirectNextWordOffsetOperand)
{
if (!string.IsNullOrEmpty(operand.Label))
{
this.labelReferences[this.program.Count] = operand.Label;
this.program.Add(0);
}
else if (operand.NextWord > OperandLiteralMax)
{
this.program.Add((ushort)operand.NextWord);
}
}
}