melonDS

This release adds DSP HLE, support for importnig cheats, BSD builds, and several other bugfixes.

• 3D: use 32-bit division in software renderer (Arisotura)
• fix 8-bit NO$GBA debug register writes (FrankHB)
• fix save type for Legacy of Ys - Books I and II (CasualPokePlayer)
• ROM info dialog: make DS banner more accurate (Rayyan)
• DSi: add DSP HLE (Arisotura)
• make input system thread-safe (fixes random multiplayer crash) (Arisotura)
• CI: various vcpkg improvements (Nadia)
• JIT/x64: ensure writable code memory after alloc (Rayyan)
• JIT: add support for PaX MPROTECT on NetBSD (Rayyan)
• JIT: handle W^X codemem in fault handler (Rayyan)
• SD/MMC: fix crash when accessing port with no device connected (Arisotura)
• gdb stub: fix reading wrong code for vCont packet (jonko0493)
• CI: add OpenBSD CI (Izder456)
• DLDI: fix log2(size) in driver header (Arisotura)
• camera: fix CAM_MCNT reset behavior (Arisotura)
• CI: add x64 FreeBSD and NetBSD CI (Rayyan)
• audio: add high-quality resampling with blip-buf (Nadia)
• 3D: fix UB in software renderer when drawing polygons with linear interpolation and Z-buffering (Arisotura)
• AR: add extra D400000x data processing opcodes (Arisotura)
• Qt6: use new way to access the native display/window on X11/Wayland (Nadia)
• nix: update inputs and add dev shell Qt wrapper workaround (Nadia)
• DSi: add support for the main RAM size register, with hack to work around loader crash (Arisotura)
• AR: add support for importing cheats from usrcheat.dat, improve UI (Arisotura)
• fix UI glitchiness under Wayland when OpenGL is used (Arisotura, thanks PCSX2 team)
• fix minor Thumb BLX immediate bugs (Jakly)
• update xxHash to 0.8.3 (JordanTheToaster)
• reduce frontend audio buffer size to 512, fix audio sync (Nadia)
• fix bug that could randomly break audio output (Arisotura)
• compute renderer: implement tile size scaling to alleviate glitches at high resolutions (FireNX70)
• SPU: fix uninitialized variable causing potential crash (Nadia)
• add support for building melonDS on Windows without MinGW (Nadia)

This release brings a major core refactor, faster local multiplayer, LAN support, the new OpenGL compute shader renderer, multi-window support, and more!

• add splashscreen (Arisotura)
• add About dialog (Nadia)
• emulation fixes for calico (fincs)
• make the frontend mostly thread-safe
• refactor core to support multiple instances in one process
• OpenGL renderer: avoid undefined Z when using W-buffering (Generic)
• improve microphone input (Arisotura)
• add support for multiple windows (Arisotura)
• new configuration system (Arisotura)
• add OpenGL compute shader renderer (Generic)
• implement framerate target presets (Jakly)
• fix microphone blow noise input (Generic)
• add LAN support (Arisotura)
• add Nix flake (Nadia)
• attempts at improving local multiplayer connections (Arisotura)
• many accuracy improvements to the software 3D renderer (Jakly)
• fix inaccuracy with NO$GBA debug registers (pants64DS)
• OpenGL renderer: add support for changing BG0HOFS midframe (Arisotura)
• fix zstd ROM loading issues (Nadia)
• audio: add Gaussian (SNES) interpolation (Nadia)
• fix DSiWare detection (JesseTG)
• add support for R4 Revolution/M3 Simply carts (asiekierka)
• fix DS/GBA comm not working when using FreeBIOS (Nadia)
• build system and CI fixes (Nadia)
• DSi title manager: fix handling of title strings (Rayyan)
• fix gdbstub not activating until the console is reset (ZNixian)
• improve audio when not running at 60FPS (Jakly)
• fix a lot of warnings (Nadia)
• fix framelimiter bugs (Jakly)
• add support for solar sensor without using Boktai ROM (Jesse)
• set SDLHINTAPP_NAME (redbluegreenhat)
• fix undefined behavior when indexing into ARCode::Code (Jesse)
• DLDI: add support for unaligned I/O in melonDLDI driver (Arisotura)
• audio settings: fix mic settings not applying when closing the dialog (Arisotura, Nadia)
• multiplayer: load firmware from correct instance-specific file (Arisotura)
• 3D: small fix to translucency flag assignment (Jakly)
• AES: load Tad key (edo9300)
• slot-2: add support for Motion Pak and Guitar Grip (asie)
• DSP: fix PDATA reads (Arisotura)
• slot-2: don't return 0 when attempting to read from the GBA GPIO address (edo9300)

• remove incorrect color profile from PNG icons (Nadia)
• DLDI fixes for the Smash demo (Arisotura)
• fix gaps in I/O handling (Arisotura)
• fix invalid savemem commands, fixes Dementium (Arisotura)
• FreeBIOS: add VRAM-compatible LZ77 decompress function, fixes Yoshi's Island (Arisotura)
• default firmware: in DSi mode, emulate DWM-W015 wifi board instead of DWM-W024 (Arisotura)
• default firmware: save WFC settings to separate file (Arisotura)
• disable firmware overrides UI when firmware override isn't checked (Nadia)
• 2D: more accurate fade/blending (Arisotura)
• DSi: add support for GXFIFO NDMA (Arisotura)
• DSi: add mainRAM mirror at 0x0C000000 (Arisotura)
• add 3DS 5:3 aspect ratio, refactor aspect ratio code (Nadia)
• OpenGL: fix 16x resolution on macOS (Nadia)
• fix triggers being recognized as negative analog stick values during mapping (Nadia)
• fix joystick mapping buttons on macOS (Nadia)
• DSi: preliminary implementation of SNDEXCNT (Generic)
• DSi: fix SD inserted/removed IRQ bits (Generic)
• DSi: implement 8/16bit access to AES registers (Generic)
• DSi: fix SCFG_MC cart-inserted bit (Generic)
• JIT: invalidate blocks in ARM7 VRAM/WRAM when it is remapped (Generic)
• fix ROM banner reading when the ROM has no banner (Rayyan, Arisotura)
• fix UTF16 ROM title handling in the ROM info dialog (Rayyan)
• wifi: improvements to wifi emulation (Arisotura)
• wifi: shared-memory based sync/comm mechanism for local wifi (Arisotura)
• proper support for multiple melonDS instances for multiplayer (Arisotura)
• DSi: actual, proper camera support (Arisotura)
• DSi: fix DSP enough that it will actually work (Arisotura)
• fix OpenGL context handling (Stenzek, Generic, Nadia)
• force-align all memory accesses (instead of just CPU memory accesses) (Arisotura)
• better CLI parameter handling (patataofcourse)
• fix bugs in DSi direct boot (Arisotura)

• Redesign of the Input dialog (Rayyan)
• Use DraStic open-source DS BIOS replacement (Swordfish90, asiekierka)
• Generate non-bootable firmware replacement (Swordfish90, asiekierka, others)
• Support for syncing DLDI/DSi SD image to a folder (Arisotura)
• ARM9 PU (code/data abort) support in interpreter mode (Arisotura)
• Fix ADPCM decoding bug resulting in potential crackling (Arisotura)
• Block sound DMA from reading the ARM7 BIOS (Arisotura)
• Smarter SDL initialization (andrigamerita, Nadia, Arisotura)
• Properly center the main window on macOS (Nadia)
• Don't try to render if the emulator is inactive (Nadia)
• Fix potential issues with DSi title importing (Nadia, Epicpkmn11)
• Custom path support (Arisotura)
• Fix nifi socket init on BSD and macOS (Nadia)
• Add support for zero addresses in AR codes 3xxxxxxx to Axxxxxxx (Arisotura)
• Lower window refresh rate if running too fast (RSDuck)
• Wifi power-saving support (RSDuck)
• Allow swap-screen hotkey to swap between displaying only top screen and only bottom screen (ZackWeinstein)
• Add RAM search dialog (2jun0)
• Add power management dialog for setting battery parameters (Rayyan)