hades.models.flipflops
Class Srff

java.lang.Object
  hades.simulator.SimObject
      hades.models.flipflops.GenericFlipflop
          hades.models.flipflops.Srff

All Implemented Interfaces:

Assignable, java.lang.Cloneable, ContextToolTip, java.io.Serializable, Simulatable

Direct Known Subclasses:

SrffRtlib

public class Srff

extends GenericFlipflop

implements Simulatable, java.io.Serializable

Srff: a simple SR-flipflop with standard symbol. Reset has precedence over Set. Both signals are active high. Signals are expected to be StdLogic1164 objects.

See Also:

Serialized Form

Field Summary

protected StdLogic1164	next_NQ
protected StdLogic1164	next_Q
protected PortStdLogic1164	port_R
protected PortStdLogic1164	port_S

Fields inherited from class hades.models.flipflops.GenericFlipflop

port_NQ, port_Q, t_hold, t_pass, t_setup

Fields inherited from class hades.simulator.SimObject

classloader, console, debug, editor, name, parent, ports, propertySheet, simulator, symbol, versionId, visible

Constructor Summary

Srff()

Method Summary

void	evaluate(java.lang.Object arg) evaluate: check the S and R inputs and calculate Q and NQ.

Methods inherited from class hades.models.flipflops.GenericFlipflop

assign, configure, elaborate, getDelay, getHoldTime, getSetupTime, getToolTip, initialize, scheduleEvent, scheduleEventAfter, scheduleOutputValue, scheduleOutputValueAfter, setDelay, setDelay, setHoldTime, setHoldTime, setSetupTime, setSetupTime, write

Methods inherited from class hades.simulator.SimObject

constructDynamicSymbol, copy, 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, setSymbol, setVersionId, setVisible, tearDown, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface hades.simulator.Simulatable

elaborate, message

Field Detail

port_S

protected PortStdLogic1164 port_S

port_R

protected PortStdLogic1164 port_R

next_Q

protected StdLogic1164 next_Q

next_NQ

protected StdLogic1164 next_NQ

Constructor Detail

Srff

public Srff()

Method Detail

evaluate

public void evaluate(java.lang.Object arg)

evaluate: check the S and R inputs and calculate Q and NQ.

Specified by:

evaluate in interface Simulatable

Overrides:

evaluate in class SimObject

Parameters:

arg - an arbitrary object argument