X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.model.am2900%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Fam2900%2Fcomponents%2Fam2904%2FGUIAm2904ShiftInstrDecode.java;fp=net.mograsim.logic.model.am2900%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Fam2900%2Fcomponents%2Fam2904%2FGUIAm2904ShiftInstrDecode.java;h=64935e86c48b0847893751d59b0f3c232e304a7d;hb=dfea76c599b2875bcdfe7e785cc3b168f8983967;hp=0000000000000000000000000000000000000000;hpb=422779cc67647f9495b06f5fb84e9b27de95e0c2;p=Mograsim.git

diff --git a/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/am2904/GUIAm2904ShiftInstrDecode.java b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/am2904/GUIAm2904ShiftInstrDecode.java
new file mode 100644
index 00000000..64935e86
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+++ b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/am2904/GUIAm2904ShiftInstrDecode.java
@@ -0,0 +1,298 @@
+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.Z;
+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 GUIAm2904ShiftInstrDecode extends SimpleRectangularHardcodedGUIComponent
+{
+	public GUIAm2904ShiftInstrDecode(ViewModelModifiable model, String name)
+	{
+		super(model, name, "Shift \ninstruction\ndecode");
+		setSize(60, 70);
+		addPin(new Pin(this, "I", 5, 0, 35), Usage.INPUT, Position.RIGHT);
+		// SIO0 MUX:
+		// 000: 0
+		// 001: 1
+		// 01x: SIOn
+		// 10x: QIOn
+		// 11x: MC
+		addPin(new Pin(this, "SIO0_MUX", 3, 60, 5), Usage.OUTPUT, Position.LEFT);
+		// SIOn MUX:
+		// 000: 0
+		// 001: 1
+		// 010: SIO0
+		// 011: QIO0
+		// 100: MC
+		// 101: MN
+		// 110: IC
+		// 111: IN xor IVOR
+		addPin(new Pin(this, "SIOn_MUX", 3, 60, 15), Usage.OUTPUT, Position.LEFT);
+		// QIO0 MUX:
+		// 000: 0
+		// 001: 1
+		// 01x: SIOn
+		// 10x: QIOn
+		// 11x: MC
+		addPin(new Pin(this, "QIO0_MUX", 3, 60, 25), Usage.OUTPUT, Position.LEFT);
+		// QIOn MUX:
+		// 000: 0
+		// 001: 1
+		// 01x: SIO0
+		// 10x: QIO0
+		// 11x: MN
+		addPin(new Pin(this, "QIOn_MUX", 3, 60, 35), Usage.OUTPUT, Position.LEFT);
+		addPin(new Pin(this, "LSHIFT", 1, 60, 45), Usage.OUTPUT, Position.LEFT);
+		// 00: SIO0
+		// 01: QIO0
+		// 1x: SIOn
+		addPin(new Pin(this, "MC_MUX", 2, 60, 55), Usage.OUTPUT, Position.LEFT);
+		addPin(new Pin(this, "MC_EN", 1, 60, 65), Usage.OUTPUT, Position.LEFT);
+	}
+
+	@Override
+	protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
+	{
+		Bit[] IBits = readEnds.get("I").getValues().getBits();
+		readWriteEnds.get("LSHIFT").feedSignals(IBits[0]);
+		// TODO move the following loop to BitVector.
+		int IAsInt = 0;
+		for (int i = 0; i < 5; i++)
+			switch (IBits[4 - i])
+			{
+			case ONE:
+				IAsInt |= 1 << i;
+				break;
+			case U:
+				readWriteEnds.get("SIO0_MUX").feedSignals(U);
+				readWriteEnds.get("SIOn_MUX").feedSignals(U);
+				readWriteEnds.get("QIO0_MUX").feedSignals(U);
+				readWriteEnds.get("QIOn_MUX").feedSignals(U);
+				readWriteEnds.get("MC_MUX").feedSignals(U);
+				readWriteEnds.get("MC_EN").feedSignals(U);
+				return null;
+			case X:
+			case Z:
+				readWriteEnds.get("SIO0_MUX").feedSignals(X);
+				readWriteEnds.get("SIOn_MUX").feedSignals(X);
+				readWriteEnds.get("QIO0_MUX").feedSignals(X);
+				readWriteEnds.get("QIOn_MUX").feedSignals(X);
+				readWriteEnds.get("MC_MUX").feedSignals(X);
+				readWriteEnds.get("MC_EN").feedSignals(X);
+				return null;
+			case ZERO:
+				break;
+			default:
+				throw new IllegalArgumentException("Unknown enum constant: " + IBits[i]);
+			}
+		if (IAsInt < 16)
+		{
+			readWriteEnds.get("SIO0_MUX").feedSignals(Z, Z, Z);
+			readWriteEnds.get("QIO0_MUX").feedSignals(Z, Z, Z);
+			switch (IAsInt)
+			{
+			case 0:
+			case 2:
+			case 6:
+			case 7:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ZERO, ZERO, ZERO);
+				break;
+			case 1:
+			case 3:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ZERO, ZERO, ONE);
+				break;
+			case 4:
+			case 9:
+			case 12:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ONE, ZERO, ZERO);
+				break;
+			case 5:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ONE, ZERO, ONE);
+				break;
+			case 8:
+			case 10:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ZERO, ONE, ZERO);
+				break;
+			case 11:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ONE, ONE, ZERO);
+				break;
+			case 13:
+			case 15:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ZERO, ONE, ONE);
+				break;
+			case 14:
+				readWriteEnds.get("SIOn_MUX").feedSignals(ONE, ONE, ONE);
+				break;
+			default:
+				throw new IllegalStateException("can't happen");
+			}
+			switch (IAsInt)
+			{
+			case 0:
+				readWriteEnds.get("QIOn_MUX").feedSignals(ZERO, ZERO, ZERO);
+				break;
+			case 1:
+				readWriteEnds.get("QIOn_MUX").feedSignals(ZERO, ZERO, ONE);
+				break;
+			case 2:
+				readWriteEnds.get("QIOn_MUX").feedSignals(ONE, ONE, Z);
+				break;
+			case 3:
+			case 4:
+			case 5:
+			case 6:
+			case 7:
+			case 11:
+			case 12:
+			case 13:
+			case 14:
+			case 15:
+				readWriteEnds.get("QIOn_MUX").feedSignals(ZERO, ONE, Z);
+				break;
+			case 8:
+			case 9:
+			case 10:
+				readWriteEnds.get("QIOn_MUX").feedSignals(ONE, ZERO, Z);
+				break;
+			default:
+				throw new IllegalStateException("can't happen");
+			}
+		} else
+		{
+			readWriteEnds.get("SIOn_MUX").feedSignals(Z, Z, Z);
+			readWriteEnds.get("QIOn_MUX").feedSignals(Z, Z, Z);
+			switch (IAsInt)
+			{
+			case 16:
+			case 18:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ZERO, ZERO, ZERO);
+				break;
+			case 17:
+			case 19:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ZERO, ZERO, ONE);
+				break;
+			case 20:
+			case 21:
+			case 22:
+			case 23:
+			case 28:
+			case 29:
+			case 30:
+			case 31:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ONE, ZERO, Z);
+				break;
+			case 24:
+			case 26:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ONE, ONE, Z);
+				break;
+			case 25:
+			case 27:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ZERO, ONE, Z);
+				break;
+			default:
+				throw new IllegalStateException("can't happen");
+			}
+			switch (IAsInt)
+			{
+			case 16:
+			case 18:
+			case 20:
+			case 22:
+			case 27:
+				readWriteEnds.get("QIO0_MUX").feedSignals(ZERO, ZERO, ZERO);
+				break;
+			case 17:
+			case 19:
+			case 21:
+			case 23:
+				readWriteEnds.get("QIO0_MUX").feedSignals(ZERO, ZERO, ONE);
+				break;
+			case 24:
+			case 25:
+			case 26:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ONE, ZERO, Z);
+				break;
+			case 28:
+			case 30:
+				readWriteEnds.get("SIO0_MUX").feedSignals(ONE, ONE, Z);
+				break;
+			case 29:
+			case 31:
+				readWriteEnds.get("QIO0_MUX").feedSignals(ZERO, ONE, Z);
+				break;
+			default:
+				throw new IllegalStateException("can't happen");
+			}
+		}
+		// MC
+		switch (IAsInt)
+		{
+		case 0:
+		case 1:
+		case 3:
+		case 4:
+		case 5:
+		case 6:
+		case 10:
+		case 11:
+		case 14:
+		case 15:
+		case 18:
+		case 19:
+		case 22:
+		case 23:
+		case 26:
+		case 27:
+		case 30:
+		case 31:
+			readWriteEnds.get("MC_EN").feedSignals(ZERO);
+			readWriteEnds.get("MC_MUX").feedSignals(Z, Z);
+			break;
+		case 2:
+		case 8:
+		case 9:
+			readWriteEnds.get("MC_EN").feedSignals(ONE);
+			readWriteEnds.get("MC_MUX").feedSignals(ZERO, ZERO);
+			break;
+		case 7:
+		case 12:
+		case 13:
+			readWriteEnds.get("MC_EN").feedSignals(ONE);
+			readWriteEnds.get("MC_MUX").feedSignals(ZERO, ONE);
+			break;
+		case 16:
+		case 17:
+		case 20:
+		case 21:
+		case 24:
+		case 25:
+		case 28:
+		case 29:
+			readWriteEnds.get("MC_EN").feedSignals(ONE);
+			readWriteEnds.get("MC_MUX").feedSignals(ONE, Z);
+			break;
+		default:
+			throw new IllegalStateException("can't happen");
+		}
+		return null;
+	}
+
+	static
+	{
+		IndirectGUIComponentCreator.setComponentSupplier(GUIAm2904ShiftInstrDecode.class.getCanonicalName(),
+				(m, p, n) -> new GUIAm2904ShiftInstrDecode(m, n));
+	}
+}
\ No newline at end of file