protected override IEnumerable <TAVerb> RealizeDefault()
{
return(_host.TASite.RShift(
SignalSource.Create(StdLogicVector._0s(_host.DataWidth)),
SignalSource.Create(StdLogicVector._0s(_host.ShiftWidth)),
SignalSink.Nil <StdLogicVector>()));
}
private TAVerb NopVerb()
{
return(Verb(ETVMode.Locked,
_host.BrP.Dual.Drive(SignalSource.Create <StdLogicVector>("0")),
_host.BrN.Dual.Drive(SignalSource.Create <StdLogicVector>("1")),
_host.AltAddr.Dual.Drive(SignalSource.Create(StdLogicVector._0s(_host.AddrWidth)))));
}
public override IEnumerable <TAVerb> DoNothing()
{
yield return(Verb(ETVMode.Locked,
_brAltFlagP.Drive(SignalSource.Create <StdLogicVector>("0")),
_brAltFlagN.Drive(SignalSource.Create <StdLogicVector>("1")),
GetNilDriver()));
}
public IEnumerable <TAVerb> BranchIfNot(ISignalSource <StdLogicVector> cond, BranchLabel target)
{
yield return(Verb(ETVMode.Locked,
_brAltFlagP.Drive(SignalSource.Create <StdLogicVector>("0")),
_brAltFlagN.Drive(cond),
GetStateDriver(target)));
}
protected override IEnumerable <TAVerb> RealizeDefault()
{
ISignalSource <StdLogicVector>[] ops = Enumerable.Repeat(
SignalSource.Create(StdLogicVector._0s(_host.WordWidth)),
_host.NumWords).ToArray();
return(_host.TASite.Concat(ops, SignalSink.Nil <StdLogicVector>()));
}
/// <summary>
/// Returns a transaction which loads a constant to the specified signal sink.
/// </summary>
/// <param name="target">signal sink to receive constant</param>
public IEnumerable <TAVerb> LoadConstant(ISignalSink <StdLogicVector> target)
{
if (_constSignal != null)
{
yield return(Verb(ETVMode.Shared, target.Comb.Connect(_constSignal.AsSignalSource <StdLogicVector>())));
}
else
{
yield return(Verb(ETVMode.Shared, target.Comb.Connect(SignalSource.Create(_constValue))));
}
}
public IEnumerable <TAVerb> BranchIfNot(ISignalSource <StdLogicVector> cond, BranchLabel target)
{
yield return(Verb(ETVMode.Locked,
_host.BrP.Dual.Drive(SignalSource.Create <StdLogicVector>("0")),
_host.BrN.Dual.Drive(cond),
_host.AltAddr.Dual.Drive(
SignalSource.Create(
StdLogicVector.FromUInt(
(uint)target.CStep, _host.AddrWidth)))));
for (int i = 1; i < _host.Latency; i++)
{
yield return(NopVerb());
}
}
public IEnumerable <TAVerb> DoNothing()
{
yield return(new TAVerb(this, ETVMode.Locked, () => { },
_host.X.Dual.Drive(SignalSource.Create(StdLogicVector.DCs(_host.XIntWidth + _host.XFracWidth)))));
}
public override IEnumerable <TAVerb> DoNothing()
{
yield return(Verb(ETVMode.Locked,
_host.DIn.Dual.Drive(SignalSource.Create(StdLogicVector.DCs(_host.FloatWidth)))));
}
protected override IEnumerable <TAVerb> RealizeDefault()
{
return(_host.TASite.Write(SignalSource.Create(StdLogicVector._0s(_host.DataWidth))));
}
protected override IEnumerable <TAVerb> RealizeDefault()
{
return(_site.Id(SignalSource.Create <StdLogicVector>("0"), SignalSink.Nil <StdLogicVector>()));
}