1 package net.mograsim.logic.ui.model.components.mi.nandbased;
3 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
4 import net.mograsim.logic.core.types.Bit;
5 import net.mograsim.logic.core.types.BitVector;
6 import net.mograsim.logic.ui.model.ViewModelModifiable;
7 import net.mograsim.logic.ui.model.components.atomic.GUINandGate;
8 import net.mograsim.logic.ui.model.components.submodels.SimpleRectangularSubmodelComponent;
9 import net.mograsim.logic.ui.model.wires.GUIWire;
10 import net.mograsim.logic.ui.model.wires.Pin;
11 import net.mograsim.logic.ui.model.wires.WireCrossPoint;
13 public class GUI_rsLatch extends SimpleRectangularSubmodelComponent
15 private GUIWire wireQ, wire_Q;
17 public GUI_rsLatch(ViewModelModifiable model)
19 super(model, 1, "_rsLatch");
21 setInputPins("_S", "_R");
22 setOutputPins("Q", "_Q");
23 initSubmodelComponents();
26 @SuppressWarnings("unused") // for GUIWires being created
27 private void initSubmodelComponents()
29 Pin _S = getSubmodelPin("_S");
30 Pin _R = getSubmodelPin("_R");
31 Pin Q = getSubmodelPin("Q");
32 Pin _Q = getSubmodelPin("_Q");
34 GUINandGate nand1 = new GUINandGate(submodelModifiable, 1);
35 GUINandGate nand2 = new GUINandGate(submodelModifiable, 1);
37 WireCrossPoint cp1 = new WireCrossPoint(submodelModifiable, 1);
38 WireCrossPoint cp2 = new WireCrossPoint(submodelModifiable, 1);
40 nand1.moveTo(10, 7.5);
41 nand2.moveTo(40, 12.5);
42 cp1.moveCenterTo(35, 17.5);
43 cp2.moveCenterTo(65, 37.5);
45 new GUIWire(submodelModifiable, _S, nand1.getPin("A"), new Point[0]);
46 new GUIWire(submodelModifiable, _R, nand2.getPin("B"), new Point(35, 37.5), new Point(35, 27.5));
47 new GUIWire(submodelModifiable, nand1.getPin("Y"), cp1, new Point[0]);
48 new GUIWire(submodelModifiable, nand2.getPin("Y"), cp2, new Point(65, 22.5));
49 new GUIWire(submodelModifiable, cp1, nand2.getPin("A"), new Point[0]);
50 new GUIWire(submodelModifiable, cp2, nand1.getPin("B"), new Point(65, 42.5), new Point(5, 42.5), new Point(5, 22.5));
51 wireQ = new GUIWire(submodelModifiable, cp1, Q, new Point(35, 17.5), new Point(35, 7.5), new Point(65, 7.5), new Point(65, 12.5));
52 wire_Q = new GUIWire(submodelModifiable, cp2, _Q, new Point[0]);
54 addAtomicHighLevelStateID("q");
58 public void setAtomicHighLevelState(String stateID, Object newState)
65 // TODO force this to happen without any Timeline updates in the meantime.
66 // Maybe make it a requirement of setHighLevelState that the Timeline is "halted" during a call?
67 Bit newStateCasted = (Bit) newState;
68 BitVector newStateVector = BitVector.of(newStateCasted);
69 if (wireQ.hasLogicModelBinding())
70 wireQ.forceWireValues(newStateVector);
71 // We set both wires because then both outputs go to their correct state at the same time, and to avoid problems when not
74 if (wire_Q.hasLogicModelBinding())
75 wire_Q.forceWireValues(newStateVector.not());
79 // should not happen because we tell SubmodelComponent to only allow these state IDs.
80 throw new IllegalStateException("Illegal atomic state ID: " + stateID);
85 public Object getAtomicHighLevelState(String stateID)
90 if (wireQ.hasLogicModelBinding())
91 return wireQ.getWireValues().getBit(0);
94 // should not happen because we tell SubmodelComponent to only allow these state IDs.
95 throw new IllegalStateException("Illegal atomic state ID: " + stateID);