Renamed GUI to Model:

[Mograsim.git] / net.mograsim.logic.model.am2900 / src / net / mograsim / logic / model / am2900 / components / Modeldff4_finewe.java

diff --git a/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/Modeldff4_finewe.java b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/Modeldff4_finewe.java
new file mode 100644 (file)
index 0000000..eb49666
--- /dev/null
+++ b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/Modeldff4_finewe.java
@@ -0,0 +1,108 @@
+package net.mograsim.logic.model.am2900.components;
+
+import static net.mograsim.logic.core.types.Bit.ONE;
+import static net.mograsim.logic.core.types.Bit.U;
+import static net.mograsim.logic.core.types.Bit.X;
+import static net.mograsim.logic.core.types.Bit.Z;
+import static net.mograsim.logic.core.types.Bit.ZERO;
+
+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.CoreWire.ReadEnd;
+import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
+import net.mograsim.logic.model.model.ViewModelModifiable;
+import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedModelComponent;
+import net.mograsim.logic.model.model.wires.Pin;
+import net.mograsim.logic.model.model.wires.PinUsage;
+import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
+import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
+
+public class Modeldff4_finewe extends SimpleRectangularHardcodedModelComponent
+{
+       public Modeldff4_finewe(ViewModelModifiable model, String name)
+       {
+               super(model, "dff4_finewe", name, "D flip flop\n4 bits");
+               setSize(35, 90);
+               addPin(new Pin(this, "C", 1, PinUsage.INPUT, 0, 5), Position.RIGHT);
+               addPin(new Pin(this, "_WE1", 1, PinUsage.INPUT, 0, 15), Position.RIGHT);
+               addPin(new Pin(this, "_WE2", 1, PinUsage.INPUT, 0, 25), Position.RIGHT);
+               addPin(new Pin(this, "_WE3", 1, PinUsage.INPUT, 0, 35), Position.RIGHT);
+               addPin(new Pin(this, "_WE4", 1, PinUsage.INPUT, 0, 45), Position.RIGHT);
+               addPin(new Pin(this, "D1", 1, PinUsage.INPUT, 0, 55), Position.RIGHT);
+               addPin(new Pin(this, "D2", 1, PinUsage.INPUT, 0, 65), Position.RIGHT);
+               addPin(new Pin(this, "D3", 1, PinUsage.INPUT, 0, 75), Position.RIGHT);
+               addPin(new Pin(this, "D4", 1, PinUsage.INPUT, 0, 85), Position.RIGHT);
+               addPin(new Pin(this, "Q1", 1, PinUsage.OUTPUT, 35, 5), Position.LEFT);
+               addPin(new Pin(this, "Q2", 1, PinUsage.OUTPUT, 35, 15), Position.LEFT);
+               addPin(new Pin(this, "Q3", 1, PinUsage.OUTPUT, 35, 25), Position.LEFT);
+               addPin(new Pin(this, "Q4", 1, PinUsage.OUTPUT, 35, 35), Position.LEFT);
+       }
+
+       @Override
+       public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
+       {
+               Bit[] QC = (Bit[]) lastState;
+               if (QC == null)
+                       QC = new Bit[] { U, U, U, U, U };
+
+               Bit CVal = readEnds.get("C").getValue();
+
+               if (QC[0] == ZERO && CVal == ONE)
+                       for (int i = 1; i < 5; i++)
+                       {
+                               Bit WEiVal = readEnds.get("_WE" + i).getValue();
+                               if (WEiVal == X || WEiVal == Z)
+                                       QC[i] = X;
+                               else if (WEiVal == U)
+                                       QC[i] = U;
+                               else if (WEiVal == ZERO)
+                                       QC[i] = readEnds.get("D" + i).getValue();
+                       }
+
+               QC[0] = CVal;
+
+               readWriteEnds.get("Q1").feedSignals(QC[1]);
+               readWriteEnds.get("Q2").feedSignals(QC[2]);
+               readWriteEnds.get("Q3").feedSignals(QC[3]);
+               readWriteEnds.get("Q4").feedSignals(QC[4]);
+
+               return QC;
+       }
+
+       @Override
+       protected Object getHighLevelState(Object state, String stateID)
+       {
+               switch (stateID)
+               {
+               case "q":
+                       return BitVector.of(Arrays.copyOfRange((Bit[]) state, 1, 5));
+               default:
+                       return super.getHighLevelState(state, stateID);
+               }
+       }
+
+       @Override
+       protected Object setHighLevelState(Object lastState, String stateID, Object newHighLevelState)
+       {
+               switch (stateID)
+               {
+               case "q":
+                       BitVector newHighLevelStateCasted = (BitVector) newHighLevelState;
+                       if (newHighLevelStateCasted.length() != 4)
+                               throw new IllegalArgumentException("Expected BitVector of length 4, not " + newHighLevelStateCasted.length());
+                       System.arraycopy(newHighLevelStateCasted.getBits(), 0, lastState, 1, 4);
+                       return lastState;
+               default:
+                       return super.setHighLevelState(lastState, stateID, newHighLevelState);
+               }
+       }
+
+       static
+       {
+               IndirectModelComponentCreator.setComponentSupplier(Modeldff4_finewe.class.getCanonicalName(),
+                               (m, p, n) -> new Modeldff4_finewe(m, n));
+       }
+}
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