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