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+.. _default-keys:
+
+Default Keys
+============
+
+All the keys below are fully configurable in the user interface. This list shows the standard keyboard configuration.
+
+
+================ ===============================================================================
+ Key | Action
+---------------- -------------------------------------------------------------------------------
+**Tab** | Toggles the configuration menu.
+**~** | Toggles the On Screen Display. When the on-screen display is
+ | visible, you can use the following keys to control it:
+ |
+ | * **Up** - select previous parameter to modify
+ | * **Down** - select next parameter to modify
+ | * **Left** - decrease the value of the selected parameter
+ | * **Right** - increase the value of the selected parameter
+ | * **Enter** - reset parameter value to its default
+ | * **Control+Left** - decrease the value by 10x
+ | * **Shift+Left** - decrease the value by 0.1x
+ | * **Alt+Left** - decrease the value by the smallest amount
+ | * **Control+Right** - increase the value by 10x
+ | * **Shift+Right** - increase the value by 0.1x
+ | * **Alt+Right** - increase the value by the smallest amount
+ |
+ | If you are running with -debug, this key sends a 'break' in emulation.
+**P** | Pauses the game.
+**Shift+P** | While paused, advances to next frame.
+**F2** | Service Mode for games that support it.
+**F3** | Resets the game.
+**Shift+F3** | Performs a "hard reset", which tears everything down and re-creates it
+ | from scratch. This is a more thorough and complete reset than the reset
+ | you get from hitting F3.
+**LCtrl+F3** | [SDL ONLY] - Toggle uneven stretch.
+**F4** | Shows the game palette, decoded GFX, and any tilemaps. Use the Enter key to
+ | switch between the three modes (palette, graphics, and tilemaps). Press F4
+ | again to turn off the display. The key controls in each mode vary slightly:
+ |
+ | Palette/colortable mode:
+ | * **[ ]** - switch between palette and colortable modes
+ | * **Up/Down** - scroll up/down one line at a time
+ | * **Page Up/Page Down** - scroll up/down one page at a time
+ | * **Home/End** - move to top/bottom of list
+ | * **-/+** - increase/decrease the number of colors per row
+ | * **Enter** - switch to graphics viewer
+ |
+ | Graphics mode:
+ | * **[ ]** - switch between different graphics sets
+ | * **Up/Down** - scroll up/down one line at a time
+ | * **Page Up/Page Down** - scroll up/down one page at a time
+ | * **Home/End** - move to top/bottom of list
+ | * **Left/Right** - change color displayed
+ | * **R** - rotate tiles 90 degrees clockwise
+ | * **-/+** - increase/decrease the number of tiles per row
+ | * **Enter** - switch to tilemap viewer
+ |
+ | Tilemap mode:
+ | * **[ ]** - switch between different tilemaps
+ | * **Up/Down/Left/Right** - scroll 8 pixels at a time
+ | * **Shift+Up/Down/Left/Right** - scroll 1 pixel at a time
+ | * **Control+Up/Down/Left/Right** - scroll 64 pixels at a time
+ | * **R** - rotate tilemap view 90 degrees clockwise
+ | * **-/+** - increase/decrease the zoom factor
+ | * **Enter** - switch to palette/colortable mode
+ |
+ | Note: Not all games have decoded graphics and/or tilemaps.
+**LCtrl+F4** | [*SDL ONLY*] - Toggles keeping aspect ratio.
+**LCtrl+F5** | [*SDL ONLY*] - Toggle Filter.
+**Alt+Ctrl+F5** | [*NON SDL MS WINDOWS ONLY*] - Toggle HLSL Post-Processing.
+**F6** | Toggle cheat mode (if started with "-cheat").
+**LCtrl+F6** | Decrease Prescaling.
+**F7** | Load a save state. You will be requested to press a key to determine which
+ | save state you wish to load.
+ |
+ | *Note that the save state feature is not supported for a large number of*
+ | *drivers. If support is not enabled for a given driver, you will receive*
+ | *a warning when attempting to save or load.*
+**LCtrl+F7** | Increase Prescaling.
+**Shift+F7** | Create a save state. Requires an additional keypress to identify the state,
+ | similar to the load option above.
+**F8** | Decrease frame skip on the fly.
+**F9** | Increase frame skip on the fly.
+**F10** | Toggle speed throttling.
+**F11** | Toggles speed display.
+**Shift+F11** | Toggles internal profiler display (if compiled in).
+**Alt+F11** | Record HLSL Rendered Video.
+**F12** | Saves a screen snapshot.
+**Alt+F12** | Take HLSL Rendered Snapshot.
+**Insert** | [*WINDOW ONLY, NON-SDL*] Fast forward. While held, runs game with
+ | throttling disabled and with the maximum frameskip.
+**Page DN** | [*SDL ONLY*] Fast forward. While held, runs the game with throttling
+ | disabled and with the maximum frameskip.
+**Alt+ENTER** | Toggles between full-screen and windowed mode.
+**Scroll Lock** | Default mapping for the **uimodekey**.
+ |
+ | This key allows users to disable and enable the emulated keyboard
+ | in machines that require it. All emulations which require emulated
+ | keyboards will start in that mode and you can only access the internal
+ | UI (hitting TAB) by first hitting this key. You can change the initial
+ | status of the emulated keyboard as presented upon start by using
+ | **-ui_active** as detailed below.
+**Escape** | Exits emulator.
+================ ===============================================================================