diff --git a/docs/index.html b/docs/index.html
index 12b22ccf4..f1807cf3e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1953,7 +1953,13 @@
 		</tr>
 
 		<tr>
-			<td>Emulate 'frying' effect (*)</td>
+			<td>Emulate 'frying' effect (TIA mode) (*)</td>
+			<td>Backspace</td>
+			<td>Backspace</td>
+		</tr>
+
+		<tr>
+			<td>Go to parent directory (UI mode) (*)</td>
 			<td>Backspace</td>
 			<td>Backspace</td>
 		</tr>
diff --git a/src/common/Version.hxx b/src/common/Version.hxx
index 5836a507a..9d457cd96 100644
--- a/src/common/Version.hxx
+++ b/src/common/Version.hxx
@@ -19,7 +19,7 @@
 #ifndef VERSION_HXX
 #define VERSION_HXX
 
-#define STELLA_BASE_VERSION "2.8.4"
+#define STELLA_BASE_VERSION "2.8.5_svn"
 
 #ifdef NIGHTLY_BUILD
   #define STELLA_VERSION STELLA_BASE_VERSION "pre-" NIGHTLY_BUILD
diff --git a/src/emucore/Event.hxx b/src/emucore/Event.hxx
index 0b72aa36b..0a0b8fd66 100644
--- a/src/emucore/Event.hxx
+++ b/src/emucore/Event.hxx
@@ -73,7 +73,7 @@ class Event
       Fry, VolumeDecrease, VolumeIncrease,
 
       UIUp, UIDown, UILeft, UIRight, UIHome, UIEnd, UIPgUp, UIPgDown,
-      UISelect, UINavPrev, UINavNext, UIOK, UICancel,
+      UISelect, UINavPrev, UINavNext, UIOK, UICancel, UIPrevDir,
 
       LastType
     };
diff --git a/src/emucore/EventHandler.cxx b/src/emucore/EventHandler.cxx
index deb41f6ad..9f15923ae 100644
--- a/src/emucore/EventHandler.cxx
+++ b/src/emucore/EventHandler.cxx
@@ -1544,6 +1544,8 @@ void EventHandler::setDefaultKeymap(EventMode mode)
 
       myKeyTable[ SDLK_RETURN ][mode]    = Event::UISelect;
       myKeyTable[ SDLK_ESCAPE ][mode]    = Event::UICancel;
+
+      myKeyTable[ SDLK_BACKSPACE ][mode] = Event::UIPrevDir;
       break;
 
     default:
@@ -2311,7 +2313,9 @@ EventHandler::ActionList EventHandler::ourMenuActionList[kMenuActionListSize] =
   { Event::UISelect,    "Select item",          0 },
 
   { Event::UINavPrev,   "Previous object",      0 },
-  { Event::UINavNext,   "Next object",          0 }
+  { Event::UINavNext,   "Next object",          0 },
+
+  { Event::UIPrevDir,   "Parent directory",     0 }
 };
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/src/emucore/EventHandler.hxx b/src/emucore/EventHandler.hxx
index 21aab8057..d868c2f62 100644
--- a/src/emucore/EventHandler.hxx
+++ b/src/emucore/EventHandler.hxx
@@ -402,7 +402,7 @@ class EventHandler
   private:
     enum {
       kEmulActionListSize = 75,
-      kMenuActionListSize = 13
+      kMenuActionListSize = 14
     };
 
     // Structure used for action menu items
diff --git a/src/gui/BrowserDialog.cxx b/src/gui/BrowserDialog.cxx
index bd875ea19..8604528b0 100644
--- a/src/gui/BrowserDialog.cxx
+++ b/src/gui/BrowserDialog.cxx
@@ -211,6 +211,7 @@ void BrowserDialog::handleCommand(CommandSender* sender, int cmd,
       break;
 
     case kGoUpCmd:
+    case kListPrevDirCmd:
       _node = _node.getParent();
       updateListing();
       break;
diff --git a/src/gui/LauncherDialog.cxx b/src/gui/LauncherDialog.cxx
index 521d5ea87..a18161e95 100644
--- a/src/gui/LauncherDialog.cxx
+++ b/src/gui/LauncherDialog.cxx
@@ -522,6 +522,7 @@ void LauncherDialog::handleCommand(CommandSender* sender, int cmd,
       break;
 
     case kPrevDirCmd:
+    case kListPrevDirCmd:
       myCurrentNode = myCurrentNode.getParent();
       updateListing();
       break;
diff --git a/src/gui/ListWidget.cxx b/src/gui/ListWidget.cxx
index 2973f37c3..b53f4b6da 100644
--- a/src/gui/ListWidget.cxx
+++ b/src/gui/ListWidget.cxx
@@ -345,6 +345,10 @@ bool ListWidget::handleEvent(Event::Type e)
       _selectedItem = _list.size() - 1;
       break;
 
+    case Event::UIPrevDir:
+      sendCommand(kListPrevDirCmd, _selectedItem, _id);
+      break;
+
     default:
       handled = false;
   }
diff --git a/src/gui/ListWidget.hxx b/src/gui/ListWidget.hxx
index 96fe302b2..c95a2ff34 100644
--- a/src/gui/ListWidget.hxx
+++ b/src/gui/ListWidget.hxx
@@ -38,7 +38,8 @@ enum {
   kListItemDataChangedCmd   = 'LIch',  // item data changed - 'data' will be item index
   kListItemRClickedCmd      = 'LIrc',  // right click on item - 'data' will be item index
   kListSelectionChangedCmd  = 'Lsch',  // selection changed - 'data' will be item index
-  kListScrolledCmd          = 'Lscl'   // list scrolled - 'data' will be current position
+  kListScrolledCmd          = 'Lscl',  // list scrolled - 'data' will be current position
+  kListPrevDirCmd           = 'Lpdr'   // request to go to parent list, if applicable
 };
 
 /** ListWidget */