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SuperSnes9x v1.63.19, an unofficial Portable Super Nintendo emulator based on Snes9x, has been released with several new features and fixes. Key highlights include support for new mappers, such as HuC1, HuC3, and Bandai TAMA5, enhancing game compatibility. The update also introduces optional frame blending for improved graphics in games with transparency effects, independent volume control in SGB BIOS mode, and fixes for various games, including Chousoku Spinner and Pokémon Trading Card Game. Enhanced cheat functionalities and multi-controller support are also part of this release, further enriching the gaming experience.
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SuperSnes9x v1.63.19 has been released. This is a portable emulator for the Super Nintendo Entertainment System (TM), based on Snes9x. It serves as an unofficial fork of the Snes9x project.
Features of SuperSnes9x:
Kaillera Server/Client
RetroAchievements
S-PPU Sprite/Tile/Tiles viewers
Multi-Controller support
SDL Support
Run-Ahead Support
Color Correction Support
Advanced Cheat Search / Cheat Editor
SuperSnes9x Changelog:
New Mappers:
Three previously unsupported cartridge mappers are now functional under SGB emulation. All three utilize existing MbcState fields, maintaining the GB savestate layout.
HuC1 (cart type $FD→ $FF) — Previously a read-only stub, causing improper game bank selection and execution lock-up due to $FC filler.
Now reimplemented as MBC1-with-infrared (ROM/RAM banking + IR register). Fixes issues with Chousoku Spinner and Pokémon Trading Card Game.
HuC3 (cart type $FE) — Introduced the RTC command/response interface alongside IR; boot gates function on RTC status command readiness. Fixes Robopon (Sun Version).
Bandai TAMA5 (cart type $FD) — Initially resulted in complete ROM rejection at load. Now implements its unique two-register port ($A001 selects, $A000 carries one nibble), a 32-byte battery-backed EEPROM, the $0A ready handshake, and the TAMA6 RTC, fixing Game de Hakken!! Tamagotchi – Osutchi to Mesutchi.
Game Boy / Super Game Boy fixes:
MBC5 ensures cart RAM is readable when RAM-enable is off (2026-05-29). Some games executed a trampoline from SRAM, returning $FF while disabled, causing hangs at boot. Fixes Nettou King of Fighters ’97 SGB boot hang.
Optional frame-blend toggle — PR #87. Games that simulate transparency by flickering two backgrounds (e.g., Chikyuu Kaihou Gun ZAS) can now blend each displayed frame 50/50 with the
previous one at the shared end-of-frame hook. New “Blend Game Boy Frames” checkbox found in Display Settings.
Independent GB volume slider available in SGB BIOS mode
