public override IEnumerable <TmsCommand> Translate(Z80AssemblyParsing.Commands.UnconditionalRelativeJumpCommand callCommand)
{
if (callCommand.Operand is Z80AssemblyParsing.Operands.LabeledAddressWithoutParenthesisOperand labelOperand)
{
var destinationOperand = new Operands.LabeledAddressWithoutAtTmsOperand(labelOperand.Label);
yield return(new JumpCommand(callCommand, destinationOperand));
}
else
{
yield return(new UntranslateableComment(callCommand, "cannot translate a jump command if it is to a literal address"));
yield return(new UntranslateableComment(callCommand, callCommand.SourceText));
}
}
public override IEnumerable <Command> Translate(DjnzCommand djnzCommand)
{
if (djnzCommand.Operand is Z80AssemblyParsing.Operands.LabeledAddressWithoutParenthesisOperand labeledZ80Operand)
{
var destinationOperand = new Operands.LabeledAddressWithoutAtTmsOperand(labeledZ80Operand.Label);
//Decrement Register B
foreach (var command in base.Translate(new DjnzCommand(djnzCommand.SourceText, new Z80AssemblyParsing.Operands.RegisterOperand(Z80AssemblyParsing.Register.B))))
{
yield return(command);
}
//Jump if register B is not equal to zero
yield return(new JumpIfNotEqualCommand(djnzCommand, destinationOperand));
}
else
{
yield return(new UntranslateableComment(djnzCommand, "can only translate a DJNZ command if it is to a labeled address"));
yield return(new UntranslateableComment(djnzCommand, djnzCommand.SourceText));
}
}
public override IEnumerable <TmsCommand> Translate(Z80AssemblyParsing.Commands.ConditionalRelativeJumpCommand jumpCommand)
{
Operand destinationOperand = null;
if (jumpCommand.AddressOperand is Z80AssemblyParsing.Operands.LabeledAddressWithoutParenthesisOperand labelOperand)
{
destinationOperand = new Operands.LabeledAddressWithoutAtTmsOperand(labelOperand.Label);
}
if (destinationOperand == null)
{
yield return(new UntranslateableComment(jumpCommand, "cannot translate a jump command if it is to a literal address"));
yield return(new UntranslateableComment(jumpCommand, jumpCommand.SourceText));
}
else if (_typesByCondition.ContainsKey(jumpCommand.ConditionOperand.Condition))
{
var translatorType = _typesByCondition[jumpCommand.ConditionOperand.Condition];
yield return((CommandWithOneOperand)Activator.CreateInstance(translatorType, new object[] { jumpCommand, destinationOperand }));
}
}
