Introduction

FCEUX is a Nintendo Entertainment System (NES) and Famicom Disk System (FDS) emulator. It supports both PAL and NTSC modes and is cross platform.

the FCEUX concept is that of an "all in one" emulator that offers accurate emulation and the best options for both casual play and a variety of more advanced emulator functions. For pro users, FCEUX offers tools for debugging, rom-hacking, map making, Tool-assisted movies, and Lua scripting

Latest Release

FCEUX 2.1.2

03 November 2009

The 2.1.2 release that fixes some bugs of 2.1.1, increases game compatibility, launches a new PPU core, and adds usability enhancements to the windows port.

Common

New PPU is now functional! You can access it by changing the newPPU flag in the config file. Windows users can access it from Config > PPU > New PPU

Dragon Ball Z 3 now playable again

Fixed action 52 game that was broken in post-FCEUX 2.0.3 versions

Mapper 253 mostly implemented

Mapper 43 fixed bug

Win32

Imported NSF features from FCEUXDSP-NSF. Debugging tools are now compatible with NSF files.

Movies now record FDS disk swapping commands

Movie play dialog displays movie time based on ~60.1 (~50.1 PAL) instead of 60 and 50

Ram Watch and Ram Search dialogs imported from GENS rerecording

Ram Filter dialog removed (now redundant compared to both cheat search and ram search)

Lua script window ported from GENS

Fix for the directory overrides bug that caused overrides to reset

Debugger: .deb file saving/loading restored

"Save config file" menu item

"New PPU" menu item

Minor Bug fixes

Minor fixes to recent menus

Fixed a bug that prevented the Map Hotkeys dialog's X button from closing the dialog

Restored DPCM Logging when Code/Data Logger is active

Memory watch - Save Changes Prompt - clicking save will default to quicksave first and save as 2nd (instead of always defaulting to save as)

Made Trace Logger refresh adequately when using stepping options in the debugger.

Lua

joypad.set() fixed. True,False, and Nil now work properly for all buttons. In addition there is a new "invert" option.

Lua5.1.dll no longer required to use lua.

fceu.unpause()

Added savestate.registerload(), savestate.registersave(), savestate.loadscriptdata()

emu. library, has all the same functions as fceu. library for better compatibility between lua emulators

Many additional function names to increase consistency with other lua emulators

Added movie.recording() and movie.playing()

Added memory.getregister() and memory.setregister()

Added gui.popup and input.popup

Added savestate.registerload(), savestate.registersave(), and savestate.loadscriptdata()

New Lua Scripts

A multi-track movie recording tools written by FatRatKnight. Allows input for different players to be recorded separately.

A rewinding tool written by Jonathan Blow