You must have the Java SDK 1.4.x to run or compile MarieSim. This software is available at no charge from http://java.sun.com To run MarieSim: jar xvf MarieSim.jar java MarieSim1 Note: If you are having trouble running MarieSim using only the class files from the jar file (e.g., your system hangs), recompile the simulator using the compilation command. To compile MarieSim: jar xvf MarieSource.jar javac MarieSim1.java See MarieGuide.pdf or MarieGuide.doc for instructions for running MarieSim. MarieSim Version 1.1 - April 7, 2003 Enhancement: Close button added to view panes. Input register changes color when input is needed. Bug fix: Corrected breakpoint processing when input solicited.