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SuperSnes9x v1.63.21 has been released, offering a portable Super Nintendo emulator based on Snes9x. Key features include Kaillera support, RetroAchievements, enhanced cheat tools, and multi-controller functionality. Recent updates add full Game Boy Color support with improved rendering and palette handling in the SGB core, along with new PPU debugger viewers. It fixes issues related to audio playback and enhances the input configuration options. Controller images for USA and Euro-Japanese versions are now selectable. The libretro .dll has also been updated to incorporate the latest fixes. Download and source links are provided.

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SuperSnes9x v1.63.21 has been released. This portable emulator for the Super Nintendo Entertainment System (TM) is based on Snes9x and serves as an unofficial fork of the original Snes9x project.

SuperSnes9x Highlights:
Kaillera Server/Client
RetroAchievements
S-PPU Sprite/Tile/Tiles viewers
Support for multiple controllers
SDL Compatibility
Run-Ahead Functionality
Color Correction Feature
Advanced Cheat Search / Cheat Editor

SuperSnes9x Update Log:
Game Boy Color Core:
Introduced Game Boy Color emulation with full CGB support in the SGB core.
CGB-mode rendering, improved palette/color management, and automatic CGB loading for CGB cartridges.
Corrected CGB rendering in the SGB BIOS and refined cartridge routing to ensure GB/GBC/SGB titles run correctly.
Game Boy:
New PPU debugger viewers — including GB tile viewer, tilemap viewer, and sprite/OAM viewer, featuring per-layer toggles.
S-PPU and GB-PPU viewer menus are now context-sensitive based on loaded ROMs.
MBC1 multicart (MBC1M) support added — BANK2<<4 game-slot selection enables multicarts like “Mortal Kombat & Mortal Kombat II” to boot into the correct game bank.
APU DAC DC-bias modeling implemented — accurately models the DAC’s DC bias to prevent issues with master-volume-driven PCM voices (NR50 PCM + CH4 carrier) being cut off.
Resolved issues with partial playback of digitized voices (e.g., Bart Simpson voice samples).
Square-channel duty reset on trigger (master c0d9941) fixes silent/garbled PCM voice jingles on the Telefang title screen by resetting square duty position on channel trigger.
Options to toggle Sprites/Background/Window layers are available.
Win32:
Added a controller image switcher — USA / Euro-Japanese controller image selector within the Input Config dialog, activated by right-clicking the image.
Input configuration multi-bind fixes address glitches in the input configuration dialog for multi-bind/single-bind setups.
Libretro
Updated libretro .dll to incorporate the latest fixes.