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diff --git a/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/GUIram5_12.java b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/GUIram5_12.java
new file mode 100644
index 00000000..7dcea022
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+++ b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/GUIram5_12.java
@@ -0,0 +1,79 @@
+package net.mograsim.logic.model.am2900.components;
+
+import static net.mograsim.logic.core.types.Bit.*;
+
+import java.util.Arrays;
+import java.util.Map;
+
+import net.mograsim.logic.core.types.Bit;
+import net.mograsim.logic.core.types.BitVector;
+import net.mograsim.logic.core.wires.Wire.ReadEnd;
+import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
+import net.mograsim.logic.model.model.ViewModelModifiable;
+import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedGUIComponent;
+import net.mograsim.logic.model.model.wires.Pin;
+import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
+
+public class GUIram5_12 extends SimpleRectangularHardcodedGUIComponent
+{
+	public GUIram5_12(ViewModelModifiable model, String name)
+	{
+		super(model, name, "RAM\n5 x 12 Bit");
+		setSize(40, 40);
+		addPin(new Pin(this, "A", 3, 10, 0), Usage.INPUT, Position.BOTTOM);
+		addPin(new Pin(this, "B", 3, 30, 0), Usage.INPUT, Position.BOTTOM);
+		addPin(new Pin(this, "WE", 1, 0, 5), Usage.INPUT, Position.RIGHT);
+		addPin(new Pin(this, "C", 1, 0, 15), Usage.INPUT, Position.RIGHT);
+		addPin(new Pin(this, "Y", 12, 0, 30), Usage.OUTPUT, Position.RIGHT);
+		addPin(new Pin(this, "D", 12, 20, 40), Usage.INPUT, Position.TOP);
+	}
+
+	@Override
+	protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
+	{
+		BitVector[] memC = (BitVector[]) lastState;
+		if (memC == null)
+		{
+			memC = new BitVector[6];
+			Arrays.fill(memC, 0, 5, BitVector.of(U, 12));
+			memC[5] = BitVector.of(U);
+		}
+		BitVector CVal = readEnds.get("C").getValues();
+		BitVector oldC = memC[5];
+		// TODO is the timing right?
+		if (oldC.getLSBit(0) == ZERO && CVal.getLSBit(0) == ONE && readEnds.get("WE").getValue() == ONE)
+		{
+			int BInt = getAsInt(readEnds.get("B").getValues());
+			if (BInt == -1 || BInt > 4)
+				Arrays.fill(memC, BitVector.of(X, 12));
+			else if (BInt == -2)
+				Arrays.fill(memC, BitVector.of(U, 12));
+			else
+				memC[BInt] = readEnds.get("D").getValues();
+		}
+		int AInt = getAsInt(readEnds.get("A").getValues());
+		BitVector YVal = AInt == -1 || AInt > 4 ? BitVector.of(X, 12) : AInt == -2 ? BitVector.of(U, 12) : memC[AInt];
+		readWriteEnds.get("Y").feedSignals(YVal);
+		memC[5] = CVal;
+		return memC;
+	}
+
+	/**
+	 * -1 means X, -2 means U
+	 */
+	private static int getAsInt(BitVector vect)
+	{
+		Bit[] bits = vect.getBits();
+		for (int i = 0; i < 3; i++)
+			if (bits[i] == X)
+				return -1;
+		for (int i = 0; i < 3; i++)
+			if (bits[i] == U)
+				return -2;
+		for (int i = 0; i < 3; i++)
+			if (bits[i] == Z)
+				return -1;
+		// TODO maybe this is the wrong way around
+		return (bits[0] == ONE ? 4 : 0) + (bits[1] == ONE ? 2 : 0) + (bits[2] == ONE ? 1 : 0);
+	}
+}
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