Remove legacy, broken Connector; rename Merger&Splitter to avoid mixups

[Mograsim.git] / net.mograsim.logic.core / src / net / mograsim / logic / core / components / UnidirectionalSplitter.java

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/UnidirectionalSplitter.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/UnidirectionalSplitter.java
new file mode 100644 (file)
index 0000000..13816ad
--- /dev/null
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/UnidirectionalSplitter.java
@@ -0,0 +1,60 @@
+package net.mograsim.logic.core.components;
+
+import java.util.List;
+
+import net.mograsim.logic.core.LogicObservable;
+import net.mograsim.logic.core.LogicObserver;
+import net.mograsim.logic.core.timeline.Timeline;
+import net.mograsim.logic.core.types.BitVector;
+import net.mograsim.logic.core.wires.Wire.ReadEnd;
+import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
+
+public class UnidirectionalSplitter extends Component implements LogicObserver
+{
+       private ReadEnd input;
+       private ReadWriteEnd[] outputs;
+
+       public UnidirectionalSplitter(Timeline timeline, ReadEnd input, ReadWriteEnd... outputs)
+       {
+               super(timeline);
+               this.input = input;
+               this.outputs = outputs;
+               input.registerObserver(this);
+               int width = 0;
+               for (ReadEnd out : outputs)
+                       width += out.width();
+
+               if (input.width() != width)
+                       throw new IllegalArgumentException(
+                                       "The input of splitting one into n WireArrays must have width = a1.width() + a2.width() + ... + an.width().");
+       }
+
+       protected void compute()
+       {
+               BitVector inputBits = input.getValues();
+               int startIndex = 0;
+               for (int i = 0; i < outputs.length; i++)
+               {
+                       outputs[i].feedSignals(inputBits.subVector(startIndex, startIndex + outputs[i].width()));
+                       startIndex += outputs[i].width();
+               }
+       }
+
+       @Override
+       public void update(LogicObservable initiator)
+       {
+               compute();
+       }
+
+       @Override
+       public List<ReadEnd> getAllInputs()
+       {
+               return List.of(input);
+       }
+
+       @Override
+       public List<ReadWriteEnd> getAllOutputs()
+       {
+               return List.of(outputs);
+       }
+}