hades.models.rtlib.arith
Class TwosComplement

java.lang.Object
  extended byhades.simulator.SimObject
      extended byhades.models.rtlib.GenericRtlibObject
          extended byhades.models.rtlib.arith.TwosComplement
All Implemented Interfaces:
java.lang.Cloneable, ContextToolTip, java.io.Serializable, Simulatable, Wakeable

public class TwosComplement
extends GenericRtlibObject

TwosComplement - generate the 2-complement of input vector A. Signals are expected to be SignalStdLogicVector objects.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes inherited from class hades.models.rtlib.GenericRtlibObject
GenericRtlibObject.BinaryValueLabelFormatter, GenericRtlibObject.DecimalValueLabelFormatter, GenericRtlibObject.DINColorSource, GenericRtlibObject.FlexibleLabelFormatter, GenericRtlibObject.HexValueLabelFormatter
 
Field Summary
protected  PortStdLogicVector port_A
           
protected  PortStdLogicVector port_Y
           
protected  StdLogicVector value_A
           
 
Fields inherited from class hades.models.rtlib.GenericRtlibObject
BINARY, DECIMAL, defaultdelay, delay, enableAnimationFlag, HEX, labelFormatter, n_bits, valueLabel, vector, vector_000, vector_111, vector_UUU, vector_XXX, vector_ZZZ, vectorOutputPort
 
Fields inherited from class hades.simulator.SimObject
classloader, console, debug, editor, name, parent, ports, propertySheet, simulator, symbol, versionId, visible
 
Constructor Summary
TwosComplement()
           
 
Method Summary
 void constructPorts()
           
 void evaluate(java.lang.Object arg)
          evaluate(): retrieve the input value on port_A (if any), and calculate its two's complement.
 
Methods inherited from class hades.models.rtlib.GenericRtlibObject
assign, configure, constructStandardValues, copy, elaborate, getDelay, getEnableAnimationFlag, getFormattedValue, getNumberFormat, getToolTip, getValue, getWidth, initialize, initValueLabel, isConnected, scheduleAfter, scheduleAfter, scheduleVectorOutputPort, setDelay, setDelay, setEnableAnimationFlag, setEnableAnimationFlag, setFormattedValue, setNumberFormat, setNumberFormat, setSymbol, setValue, setValue, setWidth, setWidth, toString, updateSymbol, wakeup, wakeupAfter, write
 
Methods inherited from class hades.simulator.SimObject
constructDynamicSymbol, getBindkey, getClassLoader, getDebug, getEditor, getExternalResources, getFullName, getName, getParent, getPort, getPorts, getPropertySheet, getResourceAsStream, getSimulator, getSymbol, getSymbolResourceName, getVersionId, isVisible, keyPressed, message, mousePressed, needsDynamicSymbol, needsExternalResources, setClassLoader, setConsole, setDebug, setEditor, setName, setParent, setPorts, setSimulator, setVersionId, setVisible, tearDown
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface hades.simulator.Simulatable
message
 

Field Detail

port_A

protected PortStdLogicVector port_A

port_Y

protected PortStdLogicVector port_Y

value_A

protected StdLogicVector value_A
Constructor Detail

TwosComplement

public TwosComplement()
Method Detail

constructPorts

public void constructPorts()
Overrides:
constructPorts in class GenericRtlibObject

evaluate

public void evaluate(java.lang.Object arg)
evaluate(): retrieve the input value on port_A (if any), and calculate its two's complement.

Specified by:
evaluate in interface Simulatable
Overrides:
evaluate in class SimObject
Parameters:
arg - an arbitrary object argument