net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/GUIdff12.java

   1 package net.mograsim.logic.model.am2900.components;
   2
   3 import static net.mograsim.logic.core.types.Bit.ONE;
   4 import static net.mograsim.logic.core.types.Bit.U;
   5 import static net.mograsim.logic.core.types.Bit.ZERO;
   6
   7 import java.util.Arrays;
   8 import java.util.Map;
   9
  10 import net.mograsim.logic.core.types.Bit;
  11 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  12 import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
  13 import net.mograsim.logic.model.model.ViewModelModifiable;
  14 import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedGUIComponent;
  15 import net.mograsim.logic.model.model.wires.Pin;
  16 import net.mograsim.logic.model.model.wires.PinUsage;
  17 import net.mograsim.logic.model.serializing.IndirectGUIComponentCreator;
  18 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
  19
  20 public class GUIdff12 extends SimpleRectangularHardcodedGUIComponent
  21 {
  22         public GUIdff12(ViewModelModifiable model, String name)
  23         {
  24                 super(model, name, "D flip flop\n12 bits");
  25                 setSize(40, 20);
  26                 addPin(new Pin(this, "D", 12, PinUsage.INPUT, 20, 20), Position.TOP);
  27                 addPin(new Pin(this, "C", 1, PinUsage.INPUT, 0, 10), Position.RIGHT);
  28                 addPin(new Pin(this, "Y", 12, PinUsage.OUTPUT, 20, 0), Position.BOTTOM);
  29         }
  30
  31         @Override
  32         protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
  33         {
  34                 Bit[] QC = (Bit[]) lastState;
  35                 if (QC == null)
  36                 {
  37                         QC = new Bit[13];
  38                         Arrays.fill(QC, U);
  39                 }
  40
  41                 Bit CVal = readEnds.get("C").getValue();
  42
  43                 if (QC[12] == ZERO && CVal == ONE)
  44                         System.arraycopy(readEnds.get("D").getValues().getBits(), 0, QC, 0, 12);
  45
  46                 readWriteEnds.get("Y").feedSignals(Arrays.copyOfRange(QC, 0, 12));
  47                 QC[12] = CVal;
  48
  49                 return QC;
  50         }
  51
  52         static
  53         {
  54                 IndirectGUIComponentCreator.setComponentSupplier(GUIdff12.class.getCanonicalName(), (m, p, n) -> new GUIdff12(m, n));
  55         }
  56 }