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java.lang.ArrayIndexOutOfBoundsException: 0 at net.sf.emustudio.ssem.cpu.CpuPanel$Updater.formatBinary( at net.sf.emustudio.ssem.cpu.CpuPanel$Updater.internalStateChanged( at emulib.plugins.cpu.AbstractCPU.notifyStateChanged( at emulib.plugins.cpu.AbstractCPU.lambda$stop$6( at java.util.concurrent.Executors$ at at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at