Video Configuration

This window sets various graphics emulation options.

Full Screen Settings

Full Screen

If checked, FCEUX will enter full screen mode when it is loaded.

Enter full screen mode after game is loaded

If checked, FCEUX will enter full screen mode when a game is loaded.

Hide mouse cursor

If checked, FCEUX will hide mouse cursor when in full screen mode.

Mode

Sets the image size during full screen mode. By default this is automatically set to match current display resolution. You can change the resolution by entering different values.

Special Scaler

Within this box is four options: Hq2x, Scale2x, Hq3x, and Scale3x.

- Scale2x/3x just attempts to render out the corners of the pixels to make them look a bit rounder. "2x" means two times bigger than 1x1 and "3x" means three times bigger than 1x1.

- Hq2x/3x does a much better job than scale2x/3x by smearing the pixels together with a slight blur. However, Hq2x/3x requires a faster computer for decent speed (at least 1 GHz and above). "2x" means two times bigger than 1x1 and "3x" means three times bigger than 1x1.

Sync Method

If the emulator is running poorly, trying out these sync options can help make it run smoother (fix image tearing).

Disable Hardware Acceleration

If full screen is causing problems, checking this might fix it.

Windowed Settings

Size Multiplier

Takes the image size and multiples the X and Y by a specific amount. You can also change these by clicking and dragging the border of the FCEUX window.

Force Integral Scaling Factors

If checked,  FCEUX can only be stretched by even amounts (1x, 2x, 3x, etc.).  If unchecked, it can be stretched by any amount.

When you are resizing FCEUX window by dragging its borders, you can hold Shift to temporarily revert this option.

Force Aspect Ratio Correction

Checking this will only allow the correct aspect ratio while resizing the window.

Special Scaler

Within this box is four options: Hq2x, Scale2x, Hq3x, and Scale3x.

Sync Method

If the emulator is running poorly, trying out these sync options can help make it run smoother (fix image tearing).

Disable Hardware Acceleration

This is checked by default. Slower computers may experience slow emulation and should uncheck this option. The video will be blurred somewhat with this option checked.

Best Fit

Always maintain correct aspect ratio

Checking this will automatically maintain correct aspect ratio for any size of the window.

Use console BG color for empty areas

When window size is larger wider or taller than image size, empty areas of the window will be colored black by default. Checking this option will color these areas according to current "background" color of NES palette.

Drawing Area

First Line

Sets the first scan line for NTSC and PAL Modes. This should be left on the default of 8 for NTSC and 0 for PAL.

Last Line

Sets the last scan line for NTSC and PAL Modes. This should be left on the default of 231 for NTSC and 239 for PAL.

Clip left and right sides (8 px on each)

If enabled, 8 pixels from each side of the windows will be removed. Some NES games (even on real hardware) show grapical artifacts on the sides of screen when scrolling, so you may hide those artifacts by checking the option.

Emulation

Allow more than 8 sprites per scanline

On real NES hardware, more than 8 sprites on the screen causes flickering.  Enabling this can cause less flickering by allowing more sprites to be visible at once.  If you prefer to stay "true" to NES hardware, this should not be checked.

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