public byte[] GenerateInstruction(FinalAssembleContext context)
{
var labelName = LabelNameGetter.GetLabelName(context.ParsedInstruction.Arguments[0]);
if (string.IsNullOrWhiteSpace(labelName))
{
context.Messages.Add(new AssemblerMessage(ErrorLevel.Error,
string.Format("Invalid label argument - argument 1"),
context.ParsedInstruction.SourceLine.LineNumber));
return null;
}
//Attempt to get the address
byte? address = context.GetLabelAddress(labelName);
if (address == null)
{
context.Messages.Add(new AssemblerMessage(ErrorLevel.Error,
string.Format("Unable to find label '{0}'", labelName),
context.ParsedInstruction.SourceLine.LineNumber));
return null;
}
return new[] { address.Value };
}
public byte[] GenerateInstruction(FinalAssembleContext context)
{
byte value;
if (!byte.TryParse(context.ParsedInstruction.Arguments[0], out value))
{
context.Messages.Add(new AssemblerMessage(ErrorLevel.Error,
string.Format("Unable to parse argument 1"),
context.ParsedInstruction.SourceLine.LineNumber));
return null;
}
return new[] {value};
}