1. Event driven digital circuit simulator with Tcl/Tk TkGate is a event driven digital circuit simulator with a Tcl/Tk-based graphical editor. TkGate supports a wide range of primitive circuit elements as well as user-defined modules for hierarchical design. The distribution comes with a number of tutorial and example circuits which can be loaded through the "Help" menu. The example circuits include a simple CPU, programmed to run the Animals game. For more information, check out the online documentation at http://www-2.cs.cmu.edu/~hansen/tkgate/ From Debian 3.0r0 APT