+++ /dev/null
-package net.mograsim.logic.model.am2900.components.am2910;
-
-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.ZERO;
-
-import java.util.Map;
-
-import net.mograsim.logic.core.types.Bit;
-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 ModelAm2910InstrPLA extends SimpleRectangularHardcodedModelComponent
-{
- public ModelAm2910InstrPLA(LogicModelModifiable model, String name)
- {
- super(model, "Am2910InstrPLA", name, "Instr.\nPLA", false);
- setSize(30, 85);
- addPin(new Pin(model, this, "PASS", 1, PinUsage.INPUT, 0, 5), Position.RIGHT);
- addPin(new Pin(model, this, "I", 4, PinUsage.INPUT, 0, 20), Position.RIGHT);
- addPin(new Pin(model, this, "R=0", 1, PinUsage.INPUT, 15, 0), Position.BOTTOM);
- addPin(new Pin(model, this, "_PL", 1, PinUsage.OUTPUT, 5, 85), Position.TOP);
- addPin(new Pin(model, this, "_MAP", 1, PinUsage.OUTPUT, 15, 85), Position.TOP);
- addPin(new Pin(model, this, "_VECT", 1, PinUsage.OUTPUT, 25, 85), Position.TOP);
- addPin(new Pin(model, this, "RLD", 1, PinUsage.OUTPUT, 30, 5), Position.LEFT);
- addPin(new Pin(model, this, "RDEC", 1, PinUsage.OUTPUT, 30, 15), Position.LEFT);
- addPin(new Pin(model, this, "YD", 1, PinUsage.OUTPUT, 30, 25), Position.LEFT);
- addPin(new Pin(model, this, "YR", 1, PinUsage.OUTPUT, 30, 35), Position.LEFT);
- addPin(new Pin(model, this, "YF", 1, PinUsage.OUTPUT, 30, 45), Position.LEFT);
- addPin(new Pin(model, this, "YmuPC", 1, PinUsage.OUTPUT, 30, 55), Position.LEFT);
- addPin(new Pin(model, this, "STKI0", 1, PinUsage.OUTPUT, 30, 65), Position.LEFT);
- addPin(new Pin(model, this, "STKI1", 1, PinUsage.OUTPUT, 30, 75), Position.LEFT);
-
- init();
- }
-
- @Override
- public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
- {
- ReadEnd PASS = readEnds.get("PASS");
- ReadEnd I = readEnds.get("I");
- ReadEnd Req0 = readEnds.get("R=0");
- ReadWriteEnd _PL = readWriteEnds.get("_PL");
- ReadWriteEnd _MAP = readWriteEnds.get("_MAP");
- ReadWriteEnd _VECT = readWriteEnds.get("_VECT");
- ReadWriteEnd RLD = readWriteEnds.get("RLD");
- ReadWriteEnd RDEC = readWriteEnds.get("RDEC");
- ReadWriteEnd YD = readWriteEnds.get("YD");
- ReadWriteEnd YR = readWriteEnds.get("YR");
- ReadWriteEnd YF = readWriteEnds.get("YF");
- ReadWriteEnd YmuPC = readWriteEnds.get("YmuPC");
- ReadWriteEnd STKI0 = readWriteEnds.get("STKI0");
- ReadWriteEnd STKI1 = readWriteEnds.get("STKI1");
-
- Bit PASSVal = PASS.getValue();
- Bit I3Val = I.getValue(3);
- Bit I2Val = I.getValue(2);
- Bit I1Val = I.getValue(1);
- Bit I0Val = I.getValue(0);
- Bit Req0Val = Req0.getValue();
-
- if (!I3Val.isBinary() || !I2Val.isBinary() || !I1Val.isBinary() || !I0Val.isBinary())
- if ((I3Val == U || I3Val.isBinary()) || (I2Val == U || I2Val.isBinary()) || (I1Val == U || I1Val.isBinary())
- || (I0Val == U || I0Val.isBinary()))
- {
- _PL.feedSignals(U);
- _MAP.feedSignals(U);
- _VECT.feedSignals(U);
- RLD.feedSignals(U);
- RDEC.feedSignals(U);
- YD.feedSignals(U);
- YR.feedSignals(U);
- YF.feedSignals(U);
- YmuPC.feedSignals(U);
- STKI0.feedSignals(U);
- STKI1.feedSignals(U);
- } else
- {
- _PL.feedSignals(X);
- _MAP.feedSignals(X);
- _VECT.feedSignals(X);
- RLD.feedSignals(X);
- RDEC.feedSignals(X);
- YD.feedSignals(X);
- YR.feedSignals(X);
- YF.feedSignals(X);
- YmuPC.feedSignals(X);
- STKI0.feedSignals(X);
- STKI1.feedSignals(X);
- }
- else
- {
- int IAsInt = (I3Val == ONE ? 8 : 0) + (I2Val == ONE ? 4 : 0) + (I1Val == ONE ? 2 : 0) + (I0Val == ONE ? 1 : 0);
- Bit _PLVal = ONE;
- Bit _MAPVal = ONE;
- Bit _VECTVal = ONE;
- if (IAsInt == 2)
- _MAPVal = ZERO;
- else if (IAsInt == 6)
- _VECTVal = ZERO;
- else
- _PLVal = ZERO;
- _PL.feedSignals(_PLVal);
- _MAP.feedSignals(_MAPVal);
- _VECT.feedSignals(_VECTVal);
- if (IAsInt == 8 || IAsInt == 9 || IAsInt == 15)
- {
- RLD.feedSignals(ZERO);
- RDEC.feedSignals(Req0Val);// "forward" X/U/Z
- } else if (IAsInt == 4)
- {
- RLD.feedSignals(PASSVal);// "forward" X/U/Z
- RDEC.feedSignals(PASSVal == ONE ? X : PASSVal);// "forward" X/U/Z
- } else if (IAsInt == 12)
- {
- RLD.feedSignals(ONE);
- RDEC.feedSignals(X);
- } else
- {
- RLD.feedSignals(ZERO);
- RDEC.feedSignals(ZERO);
- }
- if (!PASSVal.isBinary())
- {
- YD.feedSignals(PASSVal);// "forward" X/U/Z
- YR.feedSignals(PASSVal);// "forward" X/U/Z
- YF.feedSignals(PASSVal);// "forward" X/U/Z
- YmuPC.feedSignals(PASSVal);// "forward" X/U/Z
- } else
- {
- Bit YDVal = ZERO;
- Bit YRVal = ZERO;
- Bit YFVal = ZERO;
- Bit YmuPCVal = ZERO;
- switch (IAsInt + (PASSVal == ONE ? 16 : 0))
- {
- case 0:
- case 0 + 16:
- break;
- case 2:
- case 1 + 16:
- case 2 + 16:
- case 3 + 16:
- case 5 + 16:
- case 6 + 16:
- case 7 + 16:
- case 11 + 16:
- YDVal = ONE;
- break;
- case 5:
- case 7:
- YRVal = ONE;
- break;
- case 13:
- case 10 + 16:
- YFVal = ONE;
- break;
- case 1:
- case 3:
- case 4:
- case 6:
- case 10:
- case 11:
- case 12:
- case 14:
- case 4 + 16:
- case 12 + 16:
- case 13 + 16:
- case 14 + 16:
- case 15 + 16:
- YmuPCVal = ONE;
- break;
- case 8:
- case 8 + 16:
- YFVal = Req0Val.not();// "forward" X/U/Z
- YmuPCVal = Req0Val;// "forward" X/U/Z
- break;
- case 9:
- case 9 + 16:
- YDVal = Req0Val.not();// "forward" X/U/Z
- YmuPCVal = Req0Val;// "forward" X/U/Z
- break;
- case 15:
- YFVal = Req0Val.not();// "forward" X/U/Z
- YDVal = Req0Val;// "forward" X/U/Z
- break;
- default:
- throw new IllegalStateException("shouldn't happen");
- }
- YD.feedSignals(YDVal);
- YR.feedSignals(YRVal);
- YF.feedSignals(YFVal);
- YmuPC.feedSignals(YmuPCVal);
- Bit STKI0Val;
- Bit STKI1Val;
- switch (IAsInt + (PASSVal == ONE ? 16 : 0))
- {
- case 1:
- case 2:
- case 3:
- case 6:
- case 7:
- case 9:
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 2 + 16:
- case 3 + 16:
- case 6 + 16:
- case 7 + 16:
- case 9 + 16:
- case 12 + 16:
- case 14 + 16:
- // HOLD
- STKI1Val = ZERO;
- STKI0Val = ZERO;
- break;
- case 4:
- case 5:
- case 1 + 16:
- case 4 + 16:
- case 5 + 16:
- // PUSH
- STKI1Val = ZERO;
- STKI0Val = ONE;
- break;
- case 0:
- case 0 + 16:
- // CLEAR
- STKI1Val = ONE;
- STKI0Val = ZERO;
- break;
- case 10 + 16:
- case 11 + 16:
- case 13 + 16:
- case 15 + 16:
- // POP
- STKI1Val = ONE;
- STKI0Val = ONE;
- break;
- case 8:
- case 15:
- case 8 + 16:
- STKI1Val = Req0Val;// "forward" X/U/Z
- STKI0Val = Req0Val;// "forward" X/U/Z
- break;
- default:
- throw new IllegalStateException("shouldn't happen");
- }
- STKI0.feedSignals(STKI0Val);
- STKI1.feedSignals(STKI1Val);
- }
- }
- return null;
- }
-
- static
- {
- IndirectModelComponentCreator.setComponentSupplier(ModelAm2910InstrPLA.class.getCanonicalName(),
- (m, p, n) -> new ModelAm2910InstrPLA(m, n));
- }
-}
\ No newline at end of file
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