net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/GUImux4_12.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.X;
   6 import static net.mograsim.logic.core.types.Bit.Z;
   7 import static net.mograsim.logic.core.types.Bit.ZERO;
   8
   9 import java.util.Map;
  10
  11 import net.mograsim.logic.core.types.Bit;
  12 import net.mograsim.logic.core.types.BitVector;
  13 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  14 import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
  15 import net.mograsim.logic.model.model.ViewModelModifiable;
  16 import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedGUIComponent;
  17 import net.mograsim.logic.model.model.wires.Pin;
  18 import net.mograsim.logic.model.serializing.IndirectGUIComponentCreator;
  19 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
  20
  21 public class GUImux4_12 extends SimpleRectangularHardcodedGUIComponent
  22 {
  23         public GUImux4_12(ViewModelModifiable model, String name)
  24         {
  25                 super(model, name, "4-way MUX\n12 bit");
  26                 setSize(80, 40);
  27                 addPin(new Pin(this, "SA", 1, 0, 5), Usage.INPUT, Position.RIGHT);
  28                 addPin(new Pin(this, "SB", 1, 0, 15), Usage.INPUT, Position.RIGHT);
  29                 addPin(new Pin(this, "SC", 1, 0, 25), Usage.INPUT, Position.RIGHT);
  30                 addPin(new Pin(this, "SD", 1, 0, 35), Usage.INPUT, Position.RIGHT);
  31                 addPin(new Pin(this, "A", 12, 10, 0), Usage.INPUT, Position.BOTTOM);
  32                 addPin(new Pin(this, "B", 12, 30, 0), Usage.INPUT, Position.BOTTOM);
  33                 addPin(new Pin(this, "C", 12, 50, 0), Usage.INPUT, Position.BOTTOM);
  34                 addPin(new Pin(this, "D", 12, 70, 0), Usage.INPUT, Position.BOTTOM);
  35                 addPin(new Pin(this, "Y", 12, 40, 40), Usage.OUTPUT, Position.TOP);
  36         }
  37
  38         @Override
  39         protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
  40         {
  41                 Bit SAVal = readEnds.get("SA").getValue();
  42                 Bit SBVal = readEnds.get("SB").getValue();
  43                 Bit SCVal = readEnds.get("SC").getValue();
  44                 Bit SDVal = readEnds.get("SD").getValue();
  45                 BitVector YVal;
  46                 if (SAVal == X || SBVal == X || SCVal == X || SDVal == X)
  47                         YVal = BitVector.of(X, 12);
  48                 else if (SAVal == U || SBVal == U || SCVal == U || SDVal == U)
  49                         YVal = BitVector.of(U, 12);
  50                 else if (SAVal == Z || SBVal == Z || SCVal == Z || SDVal == Z)
  51                         YVal = BitVector.of(X, 12);
  52                 else
  53                 {
  54                         YVal = null;
  55                         if (SAVal == ONE)
  56                                 YVal = readEnds.get("A").getValues();
  57                         if (SBVal == ONE)
  58                                 if (YVal != null)
  59                                         YVal = BitVector.of(X, 12);
  60                                 else
  61                                         YVal = readEnds.get("B").getValues();
  62                         if (SCVal == ONE)
  63                                 if (YVal != null)
  64                                         YVal = BitVector.of(X, 12);
  65                                 else
  66                                         YVal = readEnds.get("C").getValues();
  67                         if (SDVal == ONE)
  68                                 if (YVal != null)
  69                                         YVal = BitVector.of(X, 12);
  70                                 else
  71                                         YVal = readEnds.get("D").getValues();
  72                         if (YVal == null)
  73                                 YVal = BitVector.of(ZERO, 12);
  74                 }
  75
  76                 readWriteEnds.get("Y").feedSignals(YVal);
  77                 return null;
  78         }
  79
  80         static
  81         {
  82                 IndirectGUIComponentCreator.setComponentSupplier(GUImux4_12.class.getCanonicalName(), (m, p, n) -> new GUImux4_12(m, n));
  83         }
  84 }