References


Preferences Dialog


Graphics Tab

Full Screen Mode
Toggles full screen/windowed mode. Press ESC to hide full screen window and pause emulation.
Switch Monitor Resolution
Toggles between scaling full screen graphics to the current screen resolution or changing the screen resolution to fit Snes9x's needs.
Show Frame Rate
Toggles display of the framerate on/off.
Mode 7 Smoothing
Toggles mode 7 bi-linear filtering on/off. Mode 7 is used in many 3D-like games.
Transparency Effects
Toggles transparency effects on/off. Transparency is used in almost all games so this option is just for speed-hack.
Video Mode - Direct
Directly copies the SNES screen bitmap to the Window buffer. This mode is for 32,768 colors monitor only.
Video Mode - OpenGL
Draws the SNES screen bitmap as an OpenGL texture.
Multitask
When this option is on, the rendering process in all Direct modes and OpenGL Super 2xSaI/2xSaI/Super Eagle/EPX/hq2x/TV modes are separated from the emulation thread. May be useful for dual processor Macs.
Keep Overscanned Height
Keeps the screen height always 239/478, for some games that change screen height frequently.
Use 32 Bit Color
Uses 16,777,216 colors monitor in OpenGL mode.
Sync to Vertical Blank
Synchronizes the render timing to the monitor's vertical refresh rate.
Stretch Image in Full Screen Mode
When in full screen mode, stretch the image to fill the screen.
Aspect Ratio
The aspect ratio of above option; the left is proportional and the right is full width of the monitor.
Use Screen Curvature
Adds a warp effect in OpenGL mode like a CRT-based television.
Warp
The degree of above option.
Use Core Image
Enables Core Image filer in OpenGL mode.
Filter
Opens 'Core Image Filter Setting' dialog.

Sound Tab

Enable Sound Emulation
Enabled sound playback. If this option is off, Snes9x cuts off sound emulation and some games won't work correctly.
16 Bit Playback
Enabled 16-bit playback instead of 8-bit.
Stereo
Enabled stereo sound instead of mono.
Reverse Stereo
Swaps the stereo channels.
Gaussian Interpolation
Smoothens the sound as the real SNES does.
Volume Envelope Height Reading
Find the difference with your ears :P
Echo Effects
Toggles the SNES echo effect on/off.
Master Volume Control
When this option is off, the volume may be rough.
Playback Rate
The real SNES is 32kHz.
Sample Decoder
Try to change sound decoder if you feel the sound is wrong compared with the real SNES.
Mix Interval
Smaller value will eliminate sound delay but increase the CPU load. Set 0 to use OS default.
Pitch
Sound pitch. 2.00 is one octave higher than 1.00.
Volume
Volume of the whole Snes9x sounds.
Effect
Opens 'Sound Effect' dialog.

File Tab

Save Data in
Choose the folder where Snes9x will look for files.
Auto Save SRAM
Updates SRAM file when SRAM contents are modified. This may cause frequent disk access.
SPC7110 Packs
Choose how to read the SPC7110 Graphics Pack, before launching the SPC7110 games. Loading all data into RAM will need a lot of memory spaces.
S-DD1 Packs
Choose whether to use the S-DD1 Graphics Pack or not, before launching the S-DD1 games. Using Graphics Pack will be a bit faster.

Speed Tab

CPU Cycle Percentage Hack
This option changes H-IRQ timing and will 'fix' some games' glitches, but breaks many other games. Need to re-launch the game when changed.
Enable Internal Speed Ups
Skips internal CPU emulation until the next event comes. Need to re-launch the game when changed.
Frame Skip
Auto is recommended.
Speed in Turbo Mode
The emulation speed when turbo mode (fast forward) is on.

Others Tab

Minimize CPU Usage
Prevents Snes9x from using 100% of your CPU. Recommended for laptops.
Toggle Turbo Button
Sets 'Turbo' (fast forward) button as a toggle switch.
Show Onscreen Information
Shows messages from Snes9x on the game screen. When off, messages are put in the standard console.
Open Choose ROM Image Dialog at Startup
Choose whether the open ROM dialog should open when Snes9x is opened.
Show Dates and Times in Freeze State Selection Screen
Shows time stamps on thumbnails in freeze/defrost screen.
Save Window Size and Position
Saves the sizes and positions of the game window and dialogs so they come back to the same place.
Use IPS Patch
When this option is on, Snes9x automatically loads the .ips file and patch the ROM image.
Boot Up BS Games from BS-X
Starts BS games from BS-X town.
When in Background
Choose the behavior of Snes9x when it is in back of other applications.
Music Box
Choose the behavior of Music Box; 'Sound Emulation Only' to only emulate the music system, and 'Whole Emulation' to also emulate the CPU. Music that depends on the CPU running will not sound right without 'Whole Emulation.'

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