1 package net.mograsim.logic.model.am2900.components;
3 import static net.mograsim.logic.core.types.Bit.U;
4 import static net.mograsim.logic.core.types.Bit.X;
5 import static net.mograsim.logic.core.types.Bit.Z;
6 import static net.mograsim.logic.core.types.Bit.ZERO;
8 import java.util.Arrays;
11 import net.mograsim.logic.core.types.Bit;
12 import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
13 import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
14 import net.mograsim.logic.model.model.LogicModelModifiable;
15 import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedModelComponent;
16 import net.mograsim.logic.model.model.wires.Pin;
17 import net.mograsim.logic.model.model.wires.PinUsage;
18 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
19 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
21 public class Modelinc12 extends SimpleRectangularHardcodedModelComponent
23 public Modelinc12(LogicModelModifiable model, String name)
25 super(model, "inc12", name, "Incrementer", false);
27 addPin(new Pin(model, this, "A", 12, PinUsage.INPUT, 20, 20), Position.TOP);
28 addPin(new Pin(model, this, "CI", 1, PinUsage.INPUT, 40, 10), Position.LEFT);
29 addPin(new Pin(model, this, "Y", 12, PinUsage.OUTPUT, 20, 0), Position.BOTTOM);
35 public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
37 Bit[] ABits = readEnds.get("A").getValues().getBits();
38 Bit CIVal = readEnds.get("CI").getValue();
39 Bit[] YBits = new Bit[12];
41 Arrays.fill(YBits, X);
43 Arrays.fill(YBits, U);
45 Arrays.fill(YBits, X);
46 else if (CIVal == ZERO)
51 // TODO extract to helper. This code almost also exists in ModelAm2910RegCntr.
52 for (int i = 11; i >= 0; i--)
55 YBits[i] = a.xor(carry);
59 readWriteEnds.get("Y").feedSignals(YBits);
65 IndirectModelComponentCreator.setComponentSupplier(Modelinc12.class.getCanonicalName(), (m, p, n) -> new Modelinc12(m, n));