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java.lang.ArrayIndexOutOfBoundsException: 0 at net.sf.emustudio.ssem.cpu.CpuPanel$Updater.formatBinary(CpuPanel.java:63) at net.sf.emustudio.ssem.cpu.CpuPanel$Updater.internalStateChanged(CpuPanel.java:54) at emulib.plugins.cpu.AbstractCPU.notifyStateChanged(AbstractCPU.java:243) at emulib.plugins.cpu.AbstractCPU.lambda$stop$6(AbstractCPU.java:314) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)