+++ /dev/null
-package net.mograsim.logic.model.am2900.components;
-
-import static net.mograsim.logic.core.types.Bit.ONE;
-import static net.mograsim.logic.core.types.Bit.U;
-import static net.mograsim.logic.core.types.Bit.X;
-import static net.mograsim.logic.core.types.Bit.Z;
-import static net.mograsim.logic.core.types.Bit.ZERO;
-
-import java.util.Arrays;
-import java.util.Map;
-
-import net.mograsim.logic.core.types.Bit;
-import net.mograsim.logic.core.types.BitVector;
-import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
-import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
-import net.mograsim.logic.model.model.LogicModelModifiable;
-import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedModelComponent;
-import net.mograsim.logic.model.model.wires.Pin;
-import net.mograsim.logic.model.model.wires.PinUsage;
-import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
-import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
-
-public class Modeldff4_finewe extends SimpleRectangularHardcodedModelComponent
-{
- public Modeldff4_finewe(LogicModelModifiable model, String name)
- {
- super(model, "dff4_finewe", name, "D flip flop\n4 bits", false);
- setSize(35, 90);
- addPin(new Pin(model, this, "C", 1, PinUsage.INPUT, 0, 5), Position.RIGHT);
- addPin(new Pin(model, this, "_WE1", 1, PinUsage.INPUT, 0, 15), Position.RIGHT);
- addPin(new Pin(model, this, "_WE2", 1, PinUsage.INPUT, 0, 25), Position.RIGHT);
- addPin(new Pin(model, this, "_WE3", 1, PinUsage.INPUT, 0, 35), Position.RIGHT);
- addPin(new Pin(model, this, "_WE4", 1, PinUsage.INPUT, 0, 45), Position.RIGHT);
- addPin(new Pin(model, this, "D1", 1, PinUsage.INPUT, 0, 55), Position.RIGHT);
- addPin(new Pin(model, this, "D2", 1, PinUsage.INPUT, 0, 65), Position.RIGHT);
- addPin(new Pin(model, this, "D3", 1, PinUsage.INPUT, 0, 75), Position.RIGHT);
- addPin(new Pin(model, this, "D4", 1, PinUsage.INPUT, 0, 85), Position.RIGHT);
- addPin(new Pin(model, this, "Q1", 1, PinUsage.OUTPUT, 35, 5), Position.LEFT);
- addPin(new Pin(model, this, "Q2", 1, PinUsage.OUTPUT, 35, 15), Position.LEFT);
- addPin(new Pin(model, this, "Q3", 1, PinUsage.OUTPUT, 35, 25), Position.LEFT);
- addPin(new Pin(model, this, "Q4", 1, PinUsage.OUTPUT, 35, 35), Position.LEFT);
-
- init();
- }
-
- @Override
- public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
- {
- Bit[] QC = castAndInitState(lastState);
-
- Bit CVal = readEnds.get("C").getValue();
-
- if (QC[0] == ZERO && CVal == ONE)
- for (int i = 1; i < 5; i++)
- {
- Bit WEiVal = readEnds.get("_WE" + i).getValue();
- if (WEiVal == X || WEiVal == Z)
- QC[i] = X;
- else if (WEiVal == U)
- QC[i] = U;
- else if (WEiVal == ZERO)
- QC[i] = readEnds.get("D" + i).getValue();
- }
-
- QC[0] = CVal;
-
- readWriteEnds.get("Q1").feedSignals(QC[1]);
- readWriteEnds.get("Q2").feedSignals(QC[2]);
- readWriteEnds.get("Q3").feedSignals(QC[3]);
- readWriteEnds.get("Q4").feedSignals(QC[4]);
-
- return QC;
- }
-
- @Override
- protected Object getHighLevelState(Object state, String stateID)
- {
- Bit[] QC = castAndInitState(state);
-
- if ("q".equals(stateID))
- return BitVector.of(Arrays.copyOfRange(QC, 1, 5));
- if (stateID.length() == 2 && stateID.charAt(0) == 'q')
- {
- char secondChar = stateID.charAt(1);
- if (secondChar >= '1' && secondChar <= '4')
- return BitVector.of(QC[secondChar - '0']);
- }
- return super.getHighLevelState(state, stateID);
- }
-
- @Override
- protected Object setHighLevelState(Object lastState, String stateID, Object newHighLevelState)
- {
- Bit[] QC = castAndInitState(lastState);
-
- if ("q".equals(stateID))
- {
- BitVector newHighLevelStateCasted = (BitVector) newHighLevelState;
- if (newHighLevelStateCasted.length() != 4)
- throw new IllegalArgumentException("Expected BitVector of length 4, not " + newHighLevelStateCasted.length());
- System.arraycopy(newHighLevelStateCasted.getBits(), 0, QC, 1, 4);
- return QC;
- }
- if (stateID.length() == 2 && stateID.charAt(0) == 'q')
- {
- char secondChar = stateID.charAt(1);
- if (secondChar >= '1' && secondChar <= '4')
- {
- Bit newHighLevelStateCasted;
- if (newHighLevelState instanceof Bit)
- newHighLevelStateCasted = (Bit) newHighLevelState;
- else
- {
- BitVector vector = (BitVector) newHighLevelState;
- if (vector.length() != 1)
- throw new IllegalArgumentException("Expected BitVector of length 1, not " + vector.length());
- newHighLevelStateCasted = vector.getMSBit(0);
- }
- QC[secondChar - '0'] = newHighLevelStateCasted;
- return QC;
- }
- }
- return super.setHighLevelState(QC, stateID, newHighLevelState);
- }
-
- private static Bit[] castAndInitState(Object state)
- {
- Bit[] QC = (Bit[]) state;
- if (QC == null)
- QC = new Bit[] { U, U, U, U, U };
- return QC;
- }
-
- static
- {
- IndirectModelComponentCreator.setComponentSupplier(Modeldff4_finewe.class.getCanonicalName(),
- (m, p, n) -> new Modeldff4_finewe(m, n));
- }
-}
\ No newline at end of file
projects / Mograsim.git / blobdiff