added some classes that improve testing experience

[Mograsim.git] / era.mi / src / era / mi / logic / components / BitDisplay.java

diff --git a/era.mi/src/era/mi/logic/components/BitDisplay.java b/era.mi/src/era/mi/logic/components/BitDisplay.java
new file mode 100644 (file)
index 0000000..940f69c
--- /dev/null
+++ b/era.mi/src/era/mi/logic/components/BitDisplay.java
@@ -0,0 +1,35 @@
+package era.mi.logic.components;
+
+import java.util.Arrays;
+
+import era.mi.logic.Bit;
+import era.mi.logic.wires.WireArray;
+
+public class BitDisplay extends BasicComponent
+{
+       private final WireArray in;
+       private Bit[] displayedValue;
+
+       public BitDisplay(WireArray in)
+       {
+               super(1);
+               this.in = in;
+               in.addObserver(this);
+       }
+
+       @Override
+       protected void compute()
+       {
+               displayedValue = in.getValues();
+       }
+
+       public Bit[] getDisplayedValue()
+       {
+               return displayedValue;
+       }
+
+       public boolean isDisplaying(Bit... values)
+       {
+               return Arrays.equals(displayedValue, values);
+       }
+}