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;h=dae7ae48b4a89d57dade388dd121d909587b4290;hb=bfd483ea32de08383550ba6903f77c11c33ea36d;hp=0b990db3e733e6f990ce3a5635886e698929b916;hpb=aa959c3acae2d45decf84883a39c57f83d9ac41e;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 index 0b990db3..dae7ae48 100644 --- 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 @@ -3,16 +3,19 @@ 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.types.BitVector; 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.model.wires.PinUsage; import net.mograsim.logic.model.serializing.IndirectGUIComponentCreator; import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position; @@ -21,15 +24,16 @@ public class GUIAm2904ShiftInstrDecode extends SimpleRectangularHardcodedGUIComp 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); + setSize(60, 80); + addPin(new Pin(this, "I", 5, PinUsage.INPUT, 0, 25), Position.RIGHT); + addPin(new Pin(this, "_SE", 1, PinUsage.INPUT, 0, 55), 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); + addPin(new Pin(this, "SIO0_MUX", 3, PinUsage.OUTPUT, 60, 5), Position.LEFT); // SIOn MUX: // 000: 0 // 001: 1 @@ -39,64 +43,84 @@ public class GUIAm2904ShiftInstrDecode extends SimpleRectangularHardcodedGUIComp // 101: MN // 110: IC // 111: IN xor IVOR - addPin(new Pin(this, "SIOn_MUX", 3, 60, 15), Usage.OUTPUT, Position.LEFT); + addPin(new Pin(this, "SIOn_MUX", 3, PinUsage.OUTPUT, 60, 15), 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); + addPin(new Pin(this, "QIO0_MUX", 3, PinUsage.OUTPUT, 60, 25), 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); + addPin(new Pin(this, "QIOn_MUX", 3, PinUsage.OUTPUT, 60, 35), Position.LEFT); + addPin(new Pin(this, "OEn", 1, PinUsage.OUTPUT, 60, 45), Position.LEFT); + addPin(new Pin(this, "OE0", 1, PinUsage.OUTPUT, 60, 55), 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); + addPin(new Pin(this, "MC_MUX", 2, PinUsage.OUTPUT, 60, 65), Position.LEFT); + addPin(new Pin(this, "MC_EN", 1, PinUsage.OUTPUT, 60, 75), Position.LEFT); } @Override - protected Object recalculate(Object lastState, Map readEnds, Map readWriteEnds) + public Object recalculate(Object lastState, Map readEnds, Map 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, U, U); - readWriteEnds.get("SIOn_MUX").feedSignals(U, U, U); - readWriteEnds.get("QIO0_MUX").feedSignals(U, U, U); - readWriteEnds.get("QIOn_MUX").feedSignals(U, U, U); - readWriteEnds.get("MC_MUX").feedSignals(U, U); - readWriteEnds.get("MC_EN").feedSignals(U); - return null; - case X: - case Z: - readWriteEnds.get("SIO0_MUX").feedSignals(X, X, X); - readWriteEnds.get("SIOn_MUX").feedSignals(X, X, X); - readWriteEnds.get("QIO0_MUX").feedSignals(X, X, X); - readWriteEnds.get("QIOn_MUX").feedSignals(X, X, X); - readWriteEnds.get("MC_MUX").feedSignals(X, X); - readWriteEnds.get("MC_EN").feedSignals(X); - return null; - case ZERO: - break; - default: - throw new IllegalArgumentException("Unknown enum constant: " + IBits[i]); - } + Bit _SE = readEnds.get("_SE").getValue(); + BitVector I = readEnds.get("I").getValues(); + readWriteEnds.get("OEn").feedSignals(I.getMSBit(0).not().and(_SE.not())); + readWriteEnds.get("OE0").feedSignals(I.getMSBit(0).and(_SE.not())); + if (_SE == Z || _SE == X) + { + readWriteEnds.get("SIO0_MUX").feedSignals(X, X, X); + readWriteEnds.get("SIOn_MUX").feedSignals(X, X, X); + readWriteEnds.get("QIO0_MUX").feedSignals(X, X, X); + readWriteEnds.get("QIOn_MUX").feedSignals(X, X, X); + readWriteEnds.get("MC_MUX").feedSignals(X, X); + readWriteEnds.get("MC_EN").feedSignals(X); + return null; + } else if (_SE == U) + { + + readWriteEnds.get("SIO0_MUX").feedSignals(U, U, U); + readWriteEnds.get("SIOn_MUX").feedSignals(U, U, U); + readWriteEnds.get("QIO0_MUX").feedSignals(U, U, U); + readWriteEnds.get("QIOn_MUX").feedSignals(U, U, U); + readWriteEnds.get("MC_MUX").feedSignals(U, U); + readWriteEnds.get("MC_EN").feedSignals(U); + return null; + } else if (_SE == ONE) + { + readWriteEnds.get("SIO0_MUX").feedSignals(X, X, X); + readWriteEnds.get("SIOn_MUX").feedSignals(X, X, X); + readWriteEnds.get("QIO0_MUX").feedSignals(X, X, X); + readWriteEnds.get("QIOn_MUX").feedSignals(X, X, X); + readWriteEnds.get("MC_MUX").feedSignals(X, X); + readWriteEnds.get("MC_EN").feedSignals(ZERO); + return null; + } + if (!I.isBinary()) + { + Bit val = null; + for (Bit b : I.getBits()) + if (!b.isBinary()) + { + val = b; + break; + } + readWriteEnds.get("SIO0_MUX").feedSignals(val, val, val); + readWriteEnds.get("SIOn_MUX").feedSignals(val, val, val); + readWriteEnds.get("QIO0_MUX").feedSignals(val, val, val); + readWriteEnds.get("QIOn_MUX").feedSignals(val, val, val); + readWriteEnds.get("MC_MUX").feedSignals(val, val); + readWriteEnds.get("MC_EN").feedSignals(val); + return null; + } + int IAsInt = I.getUnsignedValue().intValue(); if (IAsInt < 16) { readWriteEnds.get("SIO0_MUX").feedSignals(X, X, X);