---
name: "fceu"
section: "6"
platform: "linux"
package: "fceu"
version: "0.98.12-4.1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/fceu"
---

# fceu(6)

An emulator for the original (8-bit) Nintendo game console.

## NAME

fceu - An emulator for the original (8-bit) Nintendo game console.

## SYNOPSIS

**fceu** \[*options*\] "filename"

## DESCRIPTION

**FCE Ultra** is an emulator for the original (8-bit) Nintendo Entertainment System (NES). It has a robust color palette rendering engine that is fully customizable, along with excellent sound and joystick support, and even includes TCP/IP based network playing for head-to-head gaming with your friends!

## OPTIONS

These are some of the more frequently used options in FCE Ultra.  Run fceu without any options for a larger list, or see the README for the full list.

- **-fs {0\|1}**

  Toggle full-screen mode.

- **-xres \<res\>**

  Set the Horizontal resolution for full-screen mode.

- **-yres \<res\>**

  Set the Vertical resolution for full-screen mode.

- **-gg**

  Enable Game Genie emulation support.

- **-cpalette \<file\>**

  Use the custom palette in \<file\>.

- **-soundvol \<percentge\>**

  Sets the sound volume to the given percentage.

- **-sound \<rate\>**

  Set the sound playback sample rate (0 == off).

- **-connect \<server\>**

  Connect as a client (player 2) to \<server\> for TCP/IP network play.

- **-server**

  Be a host server (player 1) for a TCP/IP network game.

- **-netport \<portnum\>**

  Use \<portnum\> for TCP/IP network play.  Default is 4046.

## KEYBOARD COMMANDS

**FCE Ultra** has a number of commands available within the emulator. It also provides keyboard bindings for emulating gamepads or powerpads.

### Gamepad Keyboard Bindings

| | |
| --- | --- |
| **NES Gamepad** | **Keyboard** |
| Arrows | *Cursor Arrows* |
| A | *Left ALT* |
| B | *Left CTRL* |
| Select | *TAB* |
| Start | *ENTER* |

### Other Commands

- **\<F2\>**

  Activate cheat interface.

- **\<F4\>**

  Toggle full-screen mode.

- **\<F5\>**

  Save game state into current slot (set using number keys).

- **\<F7\>**

  Restore game state from current slot (set using number keys).

- **\<F9\>**

  Save screen snapshot.

- **\<F10\>**

  Reset NES.

- **\<F11\>**

  Toggle power to NES.

- **\<F12\>**, **\<ESC\>**

  Quit **FCE Ultra.**

## SEE ALSO

*/usr/share/doc/fceu/fceultra.html* The  **FCE Ultra README file.**

- *http://fceultra.sourceforge.net/*

  The **FCE Ultra** project homepage.

## AUTHOR

This manual page was written by Joe Nahmias \<joe@nahmias.net\>, for the Debian GNU/Linux system (but may be used by others).