ZsnexBox is a port of the windows emulator ZSNES.

-Fullspeed emulation. 99% of all games run fullspeed
(60 FPS) with 0 frame skip (with auto frame skipping turned
on) with or without most filters

-Very accurate sound emulation

-Excellent compatibility (99% of all SNES games work
perfectly) 

-Force feedback/rumble on a per game basis. Rumble can be
added to any SNES game. Each game can have up to 10
different force feedback settings. Each of these 10 slots
can be assigned to any of the 4 Xbox controllers. Support
for several rumble types.
These are:
     Rumble on value change and stop rumbling when the timer expires
     Rumble on value decrease and stop rumbling when the timer expires
     Rumble on value increase and stop rumbling when the timer expires
     Rumble on value change and stop rumbling when the value changes
     Rumble on value change and stop rumbling when the value decreases
     Rumble on value change and stop rumbling when the value increases
     Rumble on value decrease and stop rumbling when the value changes
     Rumble on value decrease and stop rumbling when the value decreases
     Rumble on value decrease and stop rumbling when the value increases
     Rumble on value increase and stop rumbling when the value changes
     Rumble on value increase and stop rumbling when the value decreases
     Rumble on value increase and stop rumbling when the value increases
	 
-Hardware Filters supported: 
     None 
     Point 
     Bilinear (recommended) 
     Trilinear 
     Antisotropic 
     Quincunx 
     Gaussian Cubic 

-Software Filters supported: 
     Super Eagle
     2xSAI
     Super 2xSAI     
     HQ2X 
     Advance MAME 2X 
     Simple 2X 
     None - with  25% scanlines 
     None - with  50% scanlines 
     None - with 100% scanlines 
     Interpolation 
     Interpolation - with  25% scanlines 
     Interpolation - with  50% scanlines 
     Interpolation - with 100% scanlines 
     High resolution Mode 7 
     Advance MAME 2X with High resolution Mode 7 (very CPU intensive)
     Simple 2X
     Simple 2X with High resolution Mode 7 
     Elsemi Superscale 2x (recommended) 
     Elsemi Superscale 2x + 75% scanlines
     Elsemi Superscale 2x + High Resolution Mode 7
     Elsemi Superscale 2x + 75% scanlines + High Resolution Mode 7

-Sound Frequency can be changed to: 
     32000 (recommended) 
     44100 
     48000 

-Sound Interpolation option. The choices are: 
     Gaussian (recommended) 
     8-Point 
     Cubic Spline 

-Support for the SNES Low Pass Filter generator. This
adds more bass to the game audio. The choices are: 
     None 
     Simple 
     Dynamic 
     High Quality 

-Video previews

-Horizontal screen flipping

-Image loader

-Rumble database

-Support for the SNES mouse via the Xbox controller.

-Xbox lightgun or gamepad for Superscope games

-Support for the lightgun in any of the 4 Xbox
controller ports.

-Option to use the crosshair with the lightgun.

-Option to enable/disable force feedback for the
lightgun.

-Options to control the Lightgun rumble strength and
time

-PAR/Game Genie support 

-3 built in cheat databases with over 10,000
cheats/tips/codes

-Full HD support (720p and 1080i)

-Built in music player supporting several classic video game
formats (Genesis, SNES, NES, Sega 32X, Sega Master System,
Gameboy, Gameboy Color, SG-1000)

-Animated frequency bar for the music player.

-5 fonts that can be picked from the GUI

-5 media player skins

-Support for Microsoft Soundtracks

-4 excellent skins by Neverwill (with 720p and 1080i
versions).

-Game guide/faq viewer

-Bookmark system for guides.

-Can run from a DVD

-PAL 50 mode

-4 screens refresh options

-Virtual keyboard that can be used to enter and edit Pro
Action Replay, Game Genie, Cheat Search, and Rumble
descriptions.

-Support for 10x11 pixel aspect ratio for the GUI and
the emulation

-All paths can be changed in the ini. 

-'Tips and Tricks" database. This includes
information on hundreds of games on topics such as boss
fight strategies, level select button sequences, and level
passwords.

-Audio filters. These are Ambience and Cathedral.

-Ability to delete files from the ROM browser.

-Multiple screenshot support (up to eight screenshots per
game). 

-Option to enabled/disable automatic screenshot
switching.

-Option to set the screenshot preview switching speed.

-Option to manually switch the screenshot preview with
the right analog stick. Right moves to the next screenshot.
Left moves to the previous screenshot. 

-Analog scrolling with the Right/Left triggers for the
ROM browser. 

-Ability to page through the ROM list alphabetically
(forwards and backwards). This is done with the D-Pad left
and right.

-Favorites browser.

-Support for SD Gundam Next games. The base cart must
be named gnext.zip and put in the "base" directory.

-Support for Sufami Turbo games. 

-Support for Same Game (J).zip expansions.

-Ability to change the number of items displayed
in the rombrowser (1- 25)

-Ability to change the vertical spacing between
items in the rom browser.

-Support for graphics packs (Far East of Eden Zero (J),
Far East of Eden Zero - Shounen Jump no Shou (J) [!],
Momotarou Dentetsu Happy (J) [!],
Super Power League 4 (J) [!])

-Support for enabling/disabling all 4 background
layers

-Support for enabling/disabling the sprite layer

-Support for enabling/disabling all 8 sound channels.

-Skin previews for the skin selection menu.

-Skin switching supported. Up to 15 skins are supported.

-Virtually all the text can be adjusted.

-Screenshot transparency.

-Command Line Launching.

-Multiple savestates (10 per game)

-Preview for each savestate

-Cheat searching. Up to 15 codes per game can be
saved. RAM, extended RAM, and SRAM are searched. 

-Added option to map Controller 1 and 2 to Controller 3 and
4

-Various ROM browser filename display options:
     Full - displays the entire filename. 
     No Extension - displays the entire filename without the
     extension. 
     Name only - displays the filename without the extension
     or the (U), (J), (!), (V1.0), etc.

-Added a "Turbo Settings" menu. Turbo can be turned on/off
for all controllers.

-Option to change how many times per second the turbo
is used. The choices are 60 or 30.

-Option to show available memory. 

-FPS Display.

-Reverse Stereo.

-Key combination support (L Trigger + Back = Save State,
R Trigger + Back = Load State,
Back + Start = Exit Emulation)

-Support for New Graphics Engine Enabled/Disabled
(needed to fix graphics problems in some games like Fatal
Fury Special, Super Punchout, and others). This can only be
changed after a game is started. 

-Option for Old Graphics Mode 2 

-Option for greyscale rendering (can only be set
before a game is started) 

-Screenshot saving added. 

-Option to take low resolution (256x224) or high
resolution/filtered (512x448) screenshots. 

-Option to hide file extensions in the ROM browser 

-Option to display zip file contents when ROM
browsing.

-In game volume control 

-Added Pro Action Replay code support. Up to 15 codes per
game can be used.

-Added Game Genie code support. Up to 15 codes per game can
be used.

-Option to disable the ROM information when starting a
game. 

-Analog stick deadzone calibration.

-Player 3/4 support added

-Flicker Filter can be set to 0 (Off and recommended), 1, 2,
3, 4, or 5 (Full Blur) 

-Soften display can be turned on or off (Off recommended)

-Option to disable savestates 

-Option to disable menu sound effects.

-Rom browsing to all partitions (except X, Y, and Z) on the
hard drive and the DVD drive. 

-Running from the DVD added. An Xbox compatible image must
be made. 

-Screenshot support for the following extensions: sfc, swc,
fig, mgd, ufo, bin, 058, 078, usa, eur, jap, jma

-PAL video code detection. PAL 60 is used if available,
otherwise PAL 50 is used.

-Region setting to the options menu. The choices are:
     Auto 
     NTSC 
     PAL 

-Surround sound added. Surround sound can only be turned
on/off in the GUI

-Screen resizing/moving.
