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;
public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
{
Bit _SE = readEnds.get("_SE").getValue();
- Bit[] IBits = readEnds.get("I").getValues().getBits();
- readWriteEnds.get("OEn").feedSignals(IBits[0].not().and(_SE.not()));
- readWriteEnds.get("OE0").feedSignals(IBits[0].and(_SE.not()));
+ 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("MC_EN").feedSignals(ZERO);
return null;
}
- // 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]);
- }
+ 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);