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.ViewModelModifiable;
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(ViewModelModifiable model, String name)
25 super(model, "inc12", name, "Incrementer");
27 addPin(new Pin(this, "A", 12, PinUsage.INPUT, 20, 20), Position.TOP);
28 addPin(new Pin(this, "CI", 1, PinUsage.INPUT, 40, 10), Position.LEFT);
29 addPin(new Pin(this, "Y", 12, PinUsage.OUTPUT, 20, 0), Position.BOTTOM);
33 public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
35 Bit[] ABits = readEnds.get("A").getValues().getBits();
36 Bit CIVal = readEnds.get("CI").getValue();
37 Bit[] YBits = new Bit[12];
39 Arrays.fill(YBits, X);
41 Arrays.fill(YBits, U);
43 Arrays.fill(YBits, X);
44 else if (CIVal == ZERO)
49 // TODO extract to helper. This code almost also exists in ModelAm2910RegCntr.
50 for (int i = 11; i >= 0; i--)
53 YBits[i] = a.xor(carry);
57 readWriteEnds.get("Y").feedSignals(YBits);
63 IndirectModelComponentCreator.setComponentSupplier(Modelinc12.class.getCanonicalName(), (m, p, n) -> new Modelinc12(m, n));