+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.Wire.ReadEnd;
+import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
+import net.mograsim.logic.model.model.ViewModelModifiable;
+import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedGUIComponent;
+import net.mograsim.logic.model.model.wires.Pin;
+import net.mograsim.logic.model.serializing.IndirectGUIComponentCreator;
+import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
+
+public class GUIAm2904RegCTInstrDecode extends SimpleRectangularHardcodedGUIComponent
+{
+ public GUIAm2904RegCTInstrDecode(ViewModelModifiable model, String name)
+ {
+ super(model, name, "Instruction\ndecode");
+ setSize(80, 80);
+ addPin(new Pin(this, "I", 6, 0, 40), Usage.INPUT, Position.RIGHT);
+ // muSR MUX:
+ // 00: 0
+ // 01: 1
+ // 10: M
+ // 11: I
+ addPin(new Pin(this, "muSR_MUX", 2, 80, 10), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR_OVRRET", 1, 80, 20), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR_CINV", 1, 80, 30), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR__WEZ", 1, 80, 40), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR__WEC", 1, 80, 50), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR__WEN", 1, 80, 60), Usage.OUTPUT, Position.LEFT);
+ addPin(new Pin(this, "muSR__WEOVR", 1, 80, 70), Usage.OUTPUT, 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(this, "MSR_MUX", 3, 40, 0), Usage.OUTPUT, Position.BOTTOM);
+ // CT SRC MUX:
+ // 00: mu
+ // 01: mu
+ // 10: M
+ // 11: I
+ addPin(new Pin(this, "CT_SRC_MUX", 2, 10, 80), Usage.OUTPUT, Position.TOP);
+ // CT MUX:
+ // see Am2900 Family Data Book, Am2904, Table 4 (CT_MUX2-0 = I3-1)
+ addPin(new Pin(this, "CT_MUX", 3, 30, 80), Usage.OUTPUT, Position.TOP);
+ addPin(new Pin(this, "CT_INV", 1, 50, 80), Usage.OUTPUT, Position.TOP);
+ addPin(new Pin(this, "CT_EXP", 1, 70, 80), Usage.OUTPUT, Position.TOP);
+ }
+
+ @Override
+ protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
+ {
+ Bit[] IBits = readEnds.get("I").getValues().getBits();
+ int IAsInt = 0;
+ for (int i = 0; i < 6; i++)
+ switch (IBits[5 - i])
+ {
+ case ONE:
+ IAsInt |= 1 << i;
+ break;
+ case U:
+ for (ReadWriteEnd e : readWriteEnds.values())
+ e.feedSignals(U);
+ return null;
+ case X:
+ case Z:
+ for (ReadWriteEnd e : readWriteEnds.values())
+ e.feedSignals(X);
+ return null;
+ case ZERO:
+ break;
+ default:
+ throw new IllegalArgumentException("Unknown enum constant: " + IBits[i]);
+ }
+ switch (IAsInt)
+ {
+ case 0:
+ case 2:
+ 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(ZERO);
+ break;
+ case 1:
+ readWriteEnds.get("muSR_MUX").feedSignals(ONE, 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(ZERO);
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEC").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ZERO);
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEC").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ZERO);
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEC").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEN").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ break;
+ case 9:
+ readWriteEnds.get("muSR_MUX").feedSignals(ONE, 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(ONE);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ 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(ONE);
+ readWriteEnds.get("muSR__WEC").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ break;
+ case 11:
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ 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(ONE);
+ readWriteEnds.get("muSR__WEC").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEN").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ break;
+ case 13:
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ONE);
+ 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(ONE);
+ readWriteEnds.get("muSR__WEC").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEN").feedSignals(ONE);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ZERO);
+ break;
+ case 15:
+ 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(ZERO);
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEC").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ZERO);
+ 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(ZERO);
+ readWriteEnds.get("muSR__WEC").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEN").feedSignals(ZERO);
+ readWriteEnds.get("muSR__WEOVR").feedSignals(ZERO);
+ }
+ switch (IAsInt)
+ {
+ case 0:
+ readWriteEnds.get("MSR_MUX").feedSignals(ONE, ONE, ZERO);
+ break;
+ case 1:
+ readWriteEnds.get("MSR_MUX").feedSignals(ONE, ZERO, ZERO);
+ 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(ZERO, ONE, ONE);
+ 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(ZERO, ZERO, ONE);
+ break;
+ }
+ readWriteEnds.get("CT_SRC_MUX").feedSignals(IBits[0], IBits[1]);
+ readWriteEnds.get("CT_INV").feedSignals(IBits[5]);
+ readWriteEnds.get("CT_MUX").feedSignals(IBits[2], IBits[3], IBits[4]);
+ readWriteEnds.get("CT_EXP").feedSignals((IAsInt & 0b1110) == 0b1110 ? ONE : ZERO);
+ return null;
+ }
+
+ static
+ {
+ IndirectGUIComponentCreator.setComponentSupplier(GUIAm2904RegCTInstrDecode.class.getCanonicalName(),
+ (m, p, n) -> new GUIAm2904RegCTInstrDecode(m, n));
+ }
+}
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