ROM scrolling is buggy #9
Description
When browsing ROM with "K" and 'L" to scroll up and down, U usually end with an Exception being thrown and the scrolling stops. Here is the exception. Running on macOS 13.1 Macbook M2 and Temurin 19
Exception in thread "AWT-EventQueue-0" java.lang.StringIndexOutOfBoundsException: Range [49920, 50880) out of bounds for length 30726 at java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:55) at java.base/jdk.internal.util.Preconditions$1.apply(Preconditions.java:52) at java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:213) at java.base/jdk.internal.util.Preconditions$4.apply(Preconditions.java:210) at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:98) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckFromToIndex(Preconditions.java:112) at java.base/jdk.internal.util.Preconditions.checkFromToIndex(Preconditions.java:349) at java.base/java.lang.String.checkBoundsBeginEnd(String.java:4602) at java.base/java.lang.String.substring(String.java:2715) at DisplayPanel.keyTyped(DisplayPanel.java:209) at java.desktop/java.awt.Component.processKeyEvent(Component.java:6575) at java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2905) at java.desktop/java.awt.Component.processEvent(Component.java:6397) at java.desktop/java.awt.Container.processEvent(Container.java:2266) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4995) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4827) at java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1952) at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:883) at java.desktop/java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1146) at java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1020) at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:848) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4876) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2780) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4827) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:747) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:744) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)