Nintendo Super System

• Added Nintendo Super System arcade support: Z80 supervisor,
• key chip, on-screen display, three cartridge sockets and the front panel.
• Twelve of the thirteen dumped cartridges run, including HiROM and DSP-1 boards.
• Named the cartridge DIP switches for ActRaiser, The Addams Family, Lethal Weapon and Robocop 3.
• The supervisor's reset silences the APU too, Restart has to be held as on the cabinet, and nocash's test program is accepted as a BIOS.
• The joypad watchdog is off by default. Fixes Lethal Weapon being thrown off the machine.
• Added hotkey tabs
• Load with Preview now shows previews

Nintendo Super Disc

• Added support for the BIOS in the BIOS Manager.
• Added support for disc insert and eject (eject resets to the home screen), and the disc's name in the window title.
• Working Titles:
  • Super Boss Gaiden
  • Test CD, sdtest.zip
• Added hotkey tabs
• Load with Preview now shows previews

Super Famicom Box

• The keyswitch position is remembered, and the window title names the running game.
• Added a Super Famicom Box menu (coin, keyswitch, OSD language and backdrop), moved from the Hacks dialog.
• Load with Preview now shows previews

SNES

• Fixes the A.S.P. sortie report screen.
• Re-applied A.S.P.'s mid-scanline effects, now re-rendered at each line's HBlank, which avoids the Final Fantasy VI damage-number glitches.

Xeno Crisis

• Added RP2040 cartridge emulation support.
• The firmware is read from <rom>_rp2040.bin beside the ROM or inside its zip, and the game's flash saves are kept in the .srm.

Wide-SNES

• The widescreen Super Mario World game is patched in memory using Vitor Vilela's (approved) hack at four widths:
  • Normal
  • Extra,
  • Ultra (Experimental)
  • Hyper (Experimental)

Tekken2/SF EX Security Chip Emulaton

• Emulated the security chip on the unlicensed Tekken 2 cart.
• Street Fighter EX now uses the same chip instead of a ROM patch.

Mickey Magic demo

• Added support for Mickey Magic demo: H/V IRQs are taken one poll later,
• WAI wakes a cycle sooner, and a window can start and stop only once per line.
• Fixed interlaced modes 0-4 fetching separate BG rows per field.

Super Game Boy

• The ICD2 packet decoder follows the hardware's rules. Fixes Bonk's Revenge / B.C. Kid 2 booting to a blank border and the KCE logo in Castlevania Legends.
• Super Game Boy Color is only offered for SGB-enhanced carts, and a Super Game Boy pick whose BIOS is missing falls back to Automatic.

Game Boy

• The boot-ROM handoff now matches hardware cycle for cycle.
• NRx2 glitch suppression is off by default.
• Added Game Boy Color LCD color correction, picture adjustments for Game Boy output and a custom Game Boy (DMG) palette.
• Load with Preview shows previews for SFC-Box, NSS, Super Disc and Xeno Crisis savestates.
• Fixed a hang computing the checksum of an exactly 16MB ROM.

Other

• Latch Mode 7 registers early (upstream).
• Fixed WAI when no IRQ or NMI is imminent. (upstream)
• Fixed SuperFX 8-bit plotting transparency and RPIX clearing DREG too early. (upstream)
• Loading an invalid snapshot no longer hangs. (upstream)
• One button or axis can now be bound to multiple actions. (upstream)

Win32 GUI

• Loading a game while another is running is now instant (saving the latest games caused slowdowns).
• Added Always on Top and Lock Screen Resize to the Video menu.
• Each console keeps its own window size, and Window Size steps in the loaded content's own resolution.
• Fixed a phantom menu-bar margin leaving a black bar at some window sizes.
• Added layer toggles to the S-PPU menu.
• The Color Correction dialog is modeless, applies changes live, and keeps separate SNES and GBC settings.
• Added a background color choice to the tilemap and Game Boy sprite viewers.
• Hardware menus (Nintendo Super System, Super Disc, S-PPU, GB-PPU) only appear while their hardware is loaded.
• Acid Tests boot through the BIOS Manager's boot ROMs and SGB BIOS, and run modeless in the background.

Bios Manager

• BIOS files come only from the BIOS Manager; the loaders no longer search folders for them by name.
• BIOS Manager status notes no longer smear when X widens the window

Qt/GTK (Linux)

• Added the S-PPU Tile, Tilemap and Sprite Viewers, and a GB-PPU menu with the Game Boy viewers and layer toggles.
• Added front panels, hotkeys and settings for the NSS and SFC-Box, and the PowerFest '94 / Campus Challenge '92 session timer.
• Added the Super Disc menu and hotkeys.
• Added Always on Top, Lock Screen Resize, the S-PPU layer menu and a Widescreen option.
• Game Boy content keeps its own shape, and new configs default to square pixels.
• Layer hotkeys 1/2/5 switch the Game Boy layers in a Game Boy session.
• Missing-BIOS notices are shown instead of the ROM info.

GTK

• Fixed a crash on SIGTERM and Ctrl-C.
• Fixed an out-of-range sound driver setting leaving no sound.
• Updated Japanese translation. (Nekokabu)

Qt

• Fixed quit signals being ignored during startup.
• Fixed a PulseAudio abort with a zeroed config.
• A key bound to several hotkeys now fires all of them.
• Added a --dark command line option. (BearOso)
• OpenGL repaints on resize. (BearOso)

Libretro

• Added a Game Boy Model core option, so any cart can run on the Super Game Boy.
• Added a Widescreen core option for Super Mario World.
• Super Disc supports RetroArch's Disc Control.
• Xeno Crisis runs from a zip, and its saves are kept in SAVE_RAM, interchangeable with the other ports' .srm.
• Missing-BIOS notices are shown on the frontend's OSD.

Images

Nintendo Super System

Nintendo SuperDisc

Super Famicom Box

Xeno Crisis

Wide-SNES

Normal

Extra

Ultra (experimental)

Hyper (experimental)

Mickey Magic demo

Tekken2 (unlicensed)

Color Correction

Game Boy

Game Boy Color

Bios Manager

GUI

Always on Top / Lock Screen Resize

S-PPU

Acid Tests