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About This File

Snes9x is a portable, freeware Super Nintendo Entertainment System (SNES)

emulator. It basically allows you to play most games designed for the SNES and

Super Famicom Nintendo game systems on your Mac, Linux, Windows and so on. The

games include some real gems that were only ever released in Japan.


The original Snes9x project was founded by Gary flockon and Jerremy Koot as a

collaboration of their earlier attempts at SNES emulation (Snes96 and Snes97.)

Over the years the project has grown and has collected some of the greatest

talent in the emulation community (at least of the SNES variety) some of which

have been listed in the credits section, others have helped but have been loss

in the course of time.

What's New in Version 1.53


  • Rebuilt IRQ handling. (zones)
  • Improved overall timings, now Snes9x can handle events in a opcode a little. (zones)
  • Improved screen interlace and sprite interlace supports. (OV2, zones)
  • Fixed Hi-Res pixel plotter. (BearOso, zones, OV2)
  • Fixed C4 for Mega Man X2's "weapon get" screen. (Jonas Quinn)
  • Fixed Super Buster Bros. graphics after reset. (Jonas Quinn)
  • Improved SA-1 support. (zones)
  • Added SA-1 CC2 support. (Jonas Quinn, byuu)
  • Fixed SA-1 NMI override mode. (zones)
  • Fixed Dual Orb 2 sound glitch. (byuu)
  • New APU timing hack, fixes various games that exhibit problems with Blargg's SNES_SPC library. (OV2)
  • Fixed the problem that echo buffer breaks IPL ROM. (zones, OV2)
  • Fixed movie snapshot unfreeze inconsistency. (gocha)
  • Faster config file saving. (OV2)
  • Fixed BlockInvalidVRAMAccess config file option. (windows port, unix port and gtk legacy config) (Jonas Quinn)
  • Remove POSIX dup and access calls, and rename qword to fix compilation with Cell SDK. (BearOso)
  • Fixed PS3 version save state crash by using heap allocation for soundsnapshot. (danieldematteis)
  • Fixed crash relating to double-closed descriptor. (BearOso)
  • Removed CPUShutdown speedhack, DisableHDMA and DisableIRQ options. (zones)
  • Removed remaining outdated asm code. (zones)
  • JMA 64 bit support. (kode54, Nach, friedrich.goepel)
  • GTK+, Win32, Mac: Added optional Hi-Res blending. (BearOso, OV2, zones)
  • GTK+, Win32: Support for bsnes-style XML shaders. (BearOso, OV2)
  • Win32: Full unicode support. (OV2)
  • Win32: Restored OpenGL mode. (OV2)
  • Win32: x64 version. (OV2)
  • Win32: HLSL shader support. (mudlord)
  • Win32: Win7 jumplist synchronizes with recent roms list. (OV2)
  • Win32: Updated menu structure. (OV2)
  • Win32: Drag&Drop support for ROMs. (gocha, OV2)
  • Win32: Reworked movie-recording with size selection. (gocha, OV2)
  • Win32: Restored SPC save option. (OV2)
  • Win32: Fixed vsync in DirectDraw. (OV2)
  • Win32: Improved window position saving. (OV2)
  • Win32: Restored compile with DEBUGGER. (gocha)
  • Win32: Fixed various edge-case errors and/or possible leaks. (Brian Friesen)
  • Win32: Config file option to always center image. (OV2)
  • Win32: Fixed "Turbo Down mode" hotkey assignment. (gocha)
  • Win32: Added and fixed Autofire for D-pad. (gocha)
  • Win32: Fixed aggressive soundsync wait. (OV2)
  • Win32: Added window size presets. (OV2)
  • Mac : Added pause and frame advance functions. (zones)
  • Mac : Now you can choose any folder for saving files. (zones)
  • Mac : Updated Music Box (mostly internally). (zones)
  • Mac : Fixed gliches in open/save dialogs on 10.6. (zones)
  • Mac : Fixed display configuration in windowed mode. (zones)
  • Unix : Fixed segfault and hang-up with -DNOSOUND. (zones)
  • GTK+ : Added ability to set specific folders for SRAM, patches, snapshots, etc. (BearOso)
  • GTK+ : Fixed many permissions issues with config folders. (BearOso)
  • GTK+ : Updated compatibility with latest GTK+ and GtkBuilder. Added experimental support for GTK+ 3.x. (BearOso)
  • GTK+ : Updated software output to use cairo and added the ability to use bilinear-filtering with it. (BearOso)
  • GTK+ : Fixed issues where cheats wouldn't stay enabled. (BearOso)
  • GTK+ : Fixed focus issue when there is no window manager. (BearOso)
  • GTK+ : Fixed X Visual incompatibilities and expose problems in the Xv and OpenGL outputs. (BearOso)
  • GTK+ : Fixed vsync with new X Server and NVIDIA drivers. (BearOso)
  • GTK+ : Added "Reduce input lag" option to OpenGL output. (BearOso)
  • GTK+ : Added a visual indication of the expected video refresh rate for the currently selected sound input rate. (BearOso)

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