+++ /dev/null
-package net.mograsim.logic.model.am2900.components.am2904;
-
-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 ModelAm2904RegCTInstrDecode extends SimpleRectangularHardcodedModelComponent
-{
- public ModelAm2904RegCTInstrDecode(LogicModelModifiable model, String name)
- {
- super(model, "Am2904RegCTInstrDecode", name, "Instruction\ndecode", false);
- setSize(80, 80);
- addPin(new Pin(model, this, "I12-11", 2, PinUsage.INPUT, 0, 30), Position.RIGHT);
- addPin(new Pin(model, this, "I5-0", 6, PinUsage.INPUT, 0, 50), Position.RIGHT);
- // muSR MUX:
- // 00: 0
- // 01: 1
- // 10: M
- // 11: I
- addPin(new Pin(model, this, "muSR_MUX", 2, PinUsage.OUTPUT, 80, 10), Position.LEFT);
- addPin(new Pin(model, this, "muSR_OVRRET", 1, PinUsage.OUTPUT, 80, 20), Position.LEFT);
- addPin(new Pin(model, this, "muSR_CINV", 1, PinUsage.OUTPUT, 80, 30), Position.LEFT);
- addPin(new Pin(model, this, "muSR_WEZ", 1, PinUsage.OUTPUT, 80, 40), Position.LEFT);
- addPin(new Pin(model, this, "muSR_WEC", 1, PinUsage.OUTPUT, 80, 50), Position.LEFT);
- addPin(new Pin(model, this, "muSR_WEN", 1, PinUsage.OUTPUT, 80, 60), Position.LEFT);
- addPin(new Pin(model, this, "muSR_WEOVR", 1, PinUsage.OUTPUT, 80, 70), Position.LEFT);
- // MSR MUX:
- // 000: 0
- // 001: 1
- // 010: mu
- // 011: Y
- // 100: I
- // 101: I, invert C
- // 110: Swap OVR and C
- // 111: _M
- addPin(new Pin(model, this, "MSR_MUX", 3, PinUsage.OUTPUT, 20, 0), Position.BOTTOM);
- addPin(new Pin(model, this, "OEN", 1, PinUsage.OUTPUT, 60, 0), Position.BOTTOM);
- // Y MUX:
- // 00: mu
- // 01: mu
- // 10: M
- // 11: I
- addPin(new Pin(model, this, "Y_MUX", 2, PinUsage.OUTPUT, 10, 80), Position.TOP);
- // CT MUX:
- // see Am2900 Family Data Book, Am2904, Table 4 (CT_MUX2-0 = I3-1)
- addPin(new Pin(model, this, "CT_MUX", 3, PinUsage.OUTPUT, 30, 80), Position.TOP);
- addPin(new Pin(model, this, "CT_INV", 1, PinUsage.OUTPUT, 40, 80), Position.TOP);
- addPin(new Pin(model, this, "CT_EXP", 1, PinUsage.OUTPUT, 50, 80), Position.TOP);
- // C0 MUX:
- // 00xx: 0
- // 01xx: 1
- // 10xx: CX
- // 1100: muC
- // 1101: _muC
- // 1110: MC
- // 1111: _MC
- addPin(new Pin(model, this, "C0_MUX", 4, PinUsage.OUTPUT, 70, 80), Position.TOP);
-
- init();
- }
-
- @Override
- public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
- {
- Bit[] I5_0Bits = readEnds.get("I5-0").getValues().getBits();
- Bit[] I12_11Bits = readEnds.get("I12-11").getValues().getBits();
-
- readWriteEnds.get("OEN").feedSignals(I5_0Bits[0].or(I5_0Bits[1]).or(I5_0Bits[2]).or(I5_0Bits[3]).or(I5_0Bits[4]).or(I5_0Bits[5]));
- readWriteEnds.get("Y_MUX").feedSignals(I5_0Bits[0], I5_0Bits[1]);
- readWriteEnds.get("CT_INV").feedSignals(I5_0Bits[5]);
- readWriteEnds.get("CT_MUX").feedSignals(I5_0Bits[2], I5_0Bits[3], I5_0Bits[4]);
- readWriteEnds.get("C0_MUX").feedSignals(I12_11Bits[0], I12_11Bits[1], I5_0Bits[0],
- I5_0Bits[2].and(I5_0Bits[3].not()).and(I5_0Bits[4].not()));
-
- int IAsInt = 0;
- for (int i = 0; i < 6; i++)
- switch (I5_0Bits[5 - i])
- {
- case ONE:
- IAsInt |= 1 << i;
- break;
- case U:
- readWriteEnds.get("muSR_MUX").feedSignals(U, U);
- readWriteEnds.get("muSR_OVRRET").feedSignals(U);
- readWriteEnds.get("muSR_CINV").feedSignals(U);
- readWriteEnds.get("muSR_WEZ").feedSignals(U);
- readWriteEnds.get("muSR_WEC").feedSignals(U);
- readWriteEnds.get("muSR_WEN").feedSignals(U);
- readWriteEnds.get("muSR_WEOVR").feedSignals(U);
- readWriteEnds.get("MSR_MUX").feedSignals(U, U, U);
- return null;
- case X:
- case Z:
- readWriteEnds.get("muSR_MUX").feedSignals(X, X);
- readWriteEnds.get("muSR_OVRRET").feedSignals(X);
- readWriteEnds.get("muSR_CINV").feedSignals(X);
- readWriteEnds.get("muSR_WEZ").feedSignals(X);
- readWriteEnds.get("muSR_WEC").feedSignals(X);
- readWriteEnds.get("muSR_WEN").feedSignals(X);
- readWriteEnds.get("muSR_WEOVR").feedSignals(X);
- readWriteEnds.get("MSR_MUX").feedSignals(X, X, X);
- return null;
- case ZERO:
- break;
- default:
- throw new IllegalArgumentException("Unknown enum constant: " + I5_0Bits[i]);
- }
-
- readWriteEnds.get("CT_EXP").feedSignals((IAsInt & 0b111110) == 0b001110 ? ONE : ZERO);
-
- switch (IAsInt)
- {
- case 0:
- case 2:
- readWriteEnds.get("muSR_MUX").feedSignals(ONE, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 1:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 3:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 6:
- case 7:
- readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ONE);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 8:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 9:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 10:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 11:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 12:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 13:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
- break;
- case 14:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 15:
- readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- case 24:
- case 25:
- case 40:
- case 41:
- case 56:
- case 57:
- readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ONE);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- break;
- default:
- readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
- readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
- readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
- readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
- readWriteEnds.get("muSR_WEC").feedSignals(ONE);
- readWriteEnds.get("muSR_WEN").feedSignals(ONE);
- readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
- }
- switch (IAsInt)
- {
- case 0:
- readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ONE, ONE);
- break;
- case 1:
- readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ZERO, ONE);
- break;
- case 2:
- readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ONE, ZERO);
- break;
- case 3:
- readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ZERO, ZERO);
- break;
- case 4:
- readWriteEnds.get("MSR_MUX").feedSignals(ONE, ONE, ZERO);
- break;
- case 5:
- readWriteEnds.get("MSR_MUX").feedSignals(ONE, ONE, ONE);
- break;
- case 8:
- case 9:
- case 24:
- case 25:
- case 40:
- case 41:
- case 56:
- case 57:
- readWriteEnds.get("MSR_MUX").feedSignals(ONE, ZERO, ONE);
- break;
- default:
- readWriteEnds.get("MSR_MUX").feedSignals(ONE, ZERO, ZERO);
- break;
- }
- return null;
- }
-
- static
- {
- IndirectModelComponentCreator.setComponentSupplier(ModelAm2904RegCTInstrDecode.class.getCanonicalName(),
- (m, p, n) -> new ModelAm2904RegCTInstrDecode(m, n));
- }
-}
\ No newline at end of file
projects / Mograsim.git / blobdiff