X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Fwires%2FWire.java;h=13e83592ca292dd8c55b616c4d330fe66e948699;hb=8372838271933fd0a8b363d01e8f20bc43a4ead8;hp=20bcad1e321bb28be87663ae5c4995e6cc565a28;hpb=28ad9cb1eea7862b1850fb7fc1fc9e4627c9f818;p=Mograsim.git

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/wires/Wire.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/wires/Wire.java
index 20bcad1e..13e83592 100644
--- a/net.mograsim.logic.core/src/net/mograsim/logic/core/wires/Wire.java
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/wires/Wire.java
@@ -567,8 +567,11 @@ public class Wire
 		@Override
 		public void update(LogicObservable initiator)
 		{
-			ReadWriteEnd read = (ReadWriteEnd) initiator;
-			target.setValues(fromTarget, read.wireValuesExcludingMe().subVector(fromSource, fromSource + length));
+			ReadWriteEnd source = (ReadWriteEnd) initiator;
+			BitVector targetInput = (source.getWire().inputs.size() > 1)
+					? source.wireValuesExcludingMe().subVector(fromSource, fromSource + length)
+					: BitVector.of(Bit.Z, length);
+			target.setValues(fromTarget, targetInput);
 		}
 	}
 }
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