FCEUX v2.1.0

Major Bug / Crash Bug Fixes
- Fixed throttling problems that resulted on AMD Dualcore processors. (Caused FCEUX to appear to be in turbo mode).
-Fix major crash issue where NROM game (such as SMB) savestates were writing erroneous information if a non NROM game was loaded prior.
- Fixed a bug that caused a new sav file to not get created when loading a 2nd battery backed game.
- Fix Directory Overrides so to allow users to have no override. Also fixes directory override reset bug.

Minor Bug fixes
- Hotkeys - prevent "Hotkey explosion" where some laptop keys set off all unassigned hotkeys
- Timing - "disable throttling when sound is off" now only affects FCEUX when sound is off
- Clip Left and Right sides taken into account when drawing on screen (record/play/pause, lag & frame counters, messages, etc)
- Fixed bug where having sound off and Mute turbo caused chirps when toggling
- Video settings - fixed bug when both aspect ratio correction and special scaling 3x are set, video was getting resized incorrectly
- Auto-save cleanup -prevent loading an auto-save from previous session. Added flags for enabling auto-save menu item.
- Fixed issues related to big endian compiling.
- Fix bug so that Escape can now be assigned as a hotkey
- Fixed bug in screenshot numbering that caused numbering to not reset when changing games.

SDL
- SDL Movie subtitle support and subtitle toggle hotkey added.
- SDL Added fcm to fm2 converter tool to SDL version.
- SDL Improved the SDL sound code; drastically improves quality of sound.
- SDL Savestate slots are now mappable.
- SDL Major updates to SDL documentation
- SDL Added Shift+M for toggling automatic movie backups.
- SDL Added option to mute FCEUX for avi capturing, check the documentation for more details.
- SDL Added --noconfig command line option
- SDL Frame Advance Skip Lag frames toggle implemented

New Features Win32
- The latest mappers and mapper fixes from FCEU-mm. Adds support for many new games such as Warioland II (Unl), Shu Qi Yu, and Street Dance
- Full screen mode fixed! Also, Alt+Enter properly toggles full screen.
- Individual control for sound channels! (See sound config for details).
- Undo/Redo Savestate/Loadstate features installed! No more loss of data to unintentional presses. (See getting started for details).
- Movie subtitles can now be included in .fm2 files. See .fm2 documentation for details and Movie options for details on customizing.
- Auto-backup for movie files. (See movie options for details).
- A Ram change monitor for the Memory watch dialog. (see memwatch for details).
- Frame counter works even without a movie loaded.
- AVI Directory Override option.

GUI / Menu Enhancements
- A right-click context menu added! Includes many commonly used items for a variety of situations.
- Menu items that are hotkey mappable now show their current hotkey mapping
- Major overhaul to the Menu organization.
- All FCEUX features are now accessible in the menu
- Alt Menu Shortcuts properly configured
- Menu items are properly grayed when not useable
- All movie related menu items moved to a Movie options dialog
- Removed hard-coded Accel keys and replaced with re-mappable hotkeys (Open & Close ROM)
- Drag & Drop for .fm2 and .lua files
- Many new functions added to the context menu (See context menu for details)
- New Mappable Hotkeys: Open Cheats, Open ROM, Close ROM, Undo/Redo savestate, Toggle Movie Subtitles

Lua
- Added input.get() ! Returns the mouse info and all keyboard buttons pressed by the user.
- Fixed joypad.set(). False now sets a button to off. Nil does not affect the button at all (allowing the user to still control it).
- gui.text() Increased height (to approx. 7 lines).
- speedmode("turbo") now turns on turbo (which employs frame-skipping) rather than max speed.
- memory.readbyte will recognize frozen addresses (cheats).
- movie.framecount() always return a number, even when no movie is playing (since the frame counter is implemented without a movie loaded).
- Added FCEU.poweron()
- Added FCEU.softreset()
- Added FCEU.lagged()
- Added FCEU.lagcount()
- Added FCEU.getreadonly()
- Added FCEU.setreadonly()
- Added FCEU.fceu_setrenderplanes(sprites, background)
- Added movie.active()
- Added movie.rerecordcount()
- Added movie.length()
- Added movie.getname()
- Added movie.playbeginning()
- Added -lua command line argment, loads a Lua script on startup
- Added zapper.read() - returns the zapper (mouse) data. (Currently does return zapper data in movie playback).
- Added joypad.write and joypad.get for naming consistency.
- Added rom.readbyte()
- Added rom.readbytesigned()

Sound Config
- Turning sound off disabled sound config controls
- Re-enabled sound buffer time slider control

Hex Editor
- Freezing ram addresses automatically updates the Cheats dialog if it is open.
- Added prevention from freezing more than 256 addresses at once (doing so caused crash bugs).
- Dialog remembers window size.
- Dump Rom & Dump PPU to file Dialogs use ROM to build default filename
- Maximize and minimize buttons added.
- Help menu item added

Memory Watch
- Dialog now includes Ram change monitoring. (see memwatch for details).
- Dialog is now collapsible to 1 column.
- No longer crashes when attempting to load an invalid file from the recent file menu.
- Cancel option added to the save changes dialog.
- Memory address values that are frozen by the debugger or hex editor are displayed in blue.
- Fixed bug that caused dialog to "disappear" due to saving -32000 as its window position.
- Save as dialog uses ROM name to build a default memory watch filename if there was no last used memory watch filename
- Drag and drop for .txt (memory watch) files.
- Minor menu and hotkey fixes.
- Watch values now compatible with custom windows dialog colors.

Debugger
- Shows scanlines and PPU pixel values
- Shows scanlines even while in VBlank
- Added a Run Line button (runs 1 scanline per click)
- Run 128 Lines button (runs 128 scanlines per click)
- Number of active cheats listed.
- Cheats list automatically updated if ram addresses are frozen in the hex editor.
- Fixed bug that caused dialog to "disappear" due to saving -32000 as its window position.
- Debugger now has a minimum valid size
- Added "Restore original window size" button

PPU Viewer
- Default refresh value set to 15
- Refresh value stored in the .cfg file

Nametable Viewer
- Default refresh value set to 15
- Refresh value stored in the .cfg file

Trace Logger
- Fixed bug where user can't scroll the log window while it is auto-updating.
- Changed message about F2 pause (left over from FCEUXDSP) to display the current hotkey mapping.

Text Hooker
- Saving a .tht file no longer crashes
- Dialog updates every frame
- Initialization error checking reinstalled,
- Dialog remembers window position
- Fixed bug where canceling save as produces an error message.
- Save As produces default filename based on the current ROM

Message Log
- Remembers X,Y position
- Resized width and height
- Allowed more lines of text to appear on the screen at once.

Metadata
- Remembers window position
- Can be called from the context menu if a movie is loaded (see context menu for details).

TASEdit
- added help menu item
- disabled menu items that are not currently implemented.

Turbo
- Turbo now employs frame skip, greatly increasing its speed
- The mute turbo option completely bypasses sound processing (another big speed boost)
- Turbo now works with the Lazy wait for VBlank sync setting

官方网站：http://fceux.com/