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Internet Logic Circuit Simulator

Probe Version 0.97 Released: 23rd April 1999

  • Fixed bug that caused selected components to drag while creating a connection.  I would like to thank Brian Penfold and Alan Cox for pointing this problem out to me.
  • Removed deselect all option from edit menu. Not required.
  • Removed annoying dialog that appears every time you try to delete selected items.


Probe Version 0.96
(Beta) Released: 20th April 1999

  • Modified truth table generation, so it will only update once when initiated by user. Project supervisor request.
  • XOR gate added to component list. Project supervisor request.
  • You can select and delete wires.
  • You can select multiple components and drag them by holding down the 'shift' key
  • Input and output probes show there corresponding letters when truth table generation is on.
  • Output probes also show there current state.
  • All components are unselected before simulation and printing. Project supervisor request.
  • Select all and deselect all options added to the Edit menu.


Probe Version 0.95
(Beta) Released: 14th April 1999

  • Truth table generation.
  • Loading & saving of schematic (available only if applet is trusted)
  • Printing of schematic (available only if applet is trusted)


Probe Version 0.70
Released: 3rd March 1999

  • Easier switching on/off of input probes
  • Improved drag and drop
  • Components highlight when selected
  • Selection of multiple components with the 'Shift' held
  • Deletion of selected components by pressing the 'Delete' key. Connecting wires are deleted also
  • Square wires introduced


Probe Version 0.45 Released: 22nd February 1999

  • Fixed problem with simulation tread under Windows NT


Probe Version 0.40 Released: 18th February 1999

  • Inserted simulation.
  • Wires highlight when a logical one is held within it
  • All components are simulated
  • Switching on/off of input probes
  • Empty Workspace by typing 'Ctrl-N' or selecting new from the file menu


Probe Version 0.10 Released: 2nd February 1999

  • User can new create
  • AND, OR, NOT, NAND, NOR, logic components
  • Wires between component terminals
  • Input and output probes


Probe Version 0.05 Released: 2nd Jan 1999

  • Fixed security problems with both Netscape and Internet Explorer
  • Creation of main frame window with basic objects
  • Creation of menu bar
  • Problems getting a toolbar working under Netscape and Internet Explorer

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Developed by Brian Boothe
Copyright 1999 Brian Boothe. All rights reserved.