Changes from 0.5.2

Features

• Library view
• Sprite viewer
• Debugging console
• Improved memory viewer
• Memory search
• Command line ability to override configuration values
• Add option to allow preloading the entire ROM before running
• Add option for whether rewinding restores save games
• Savestates now contain any RTC override data
• Add option to lock video to integer scaling
• LR35902: Watchpoints
• LR35902/GB-Z80 disassembler
• GB: Tile viewer
• GB: Video/audio channel enabling/disabling
• GB: Symbol table support
• GB MBC: Add MBC1 multicart support
• GBA: Support printing debug strings from inside a game
• GBA: Better cheat type autodetection
• Implement keypad interrupts
• Configuration of gamepad hats
• Video log recording for testing and bug reporting
• Debugger: Segment/bank support
• Debugger: Execution tracing
• Partial Python scripting support
• Qt: German translation (by Lothar Serra Mari)
• Qt: Spanish translation (by Kevin López)
• Qt: Italian translation (by theheroGAC)

Bugfixes

• ARM7: Fix MLA/MULL/MLAL timing
• Core: Fix crash with rewind if savestates shrink
• Core: Fix interrupting a thread while on the thread (fixes #692)
• Core: Fix directory sets crashing on close if base isn’t properly detached
• FFmpeg: Fix overflow and general issues with audio encoding
• GB: Fix flickering when screen is strobed quickly
• GB: Fix STAT blocking
• GB MBC: Fix ROM bank overflows getting set to bank 0
• GB MBC: Fix swapping carts not detect new MBC
• GB Timer: Improve DIV reset behavior
• GB Timer: Fix DIV batching if TAC changes
• GB Video: Reset renderer when loading state
• GBA: Fix multiboot ROM loading
• GBA: Fix multiboot loading resulting in too small WRAM
• GBA BIOS: Implement BitUnPack
• GBA BIOS: Fix ArcTan sign in HLE BIOS
• GBA BIOS: Fix ArcTan2 sign in HLE BIOS (fixes #689)
• GBA BIOS: Fix INT_MIN/-1 crash
• GBA Hardware: Fix crash if a savestate lies about game hardware
• GBA I/O: Handle audio registers specially when deserializing
• GBA Memory: Improve initial skipped BIOS state
• GBA Savedata: Fix savedata unmasking (fixes #441)
• GBA Savedata: Update and fix Sharkport importing (fixes #658)
• GBA Video: Fix wrong palette on 256-color sprites in OBJWIN
• GBA Video: Don’t update background scanline params in mode 0 (fixes #377)
• Libretro: Fix saving in GB games (fixes #486)
• LR35902: Fix core never exiting with certain event patterns
• LR35902: Fix pc overflowing current region off-by-one
• LR35902: Fix decoding LD r, $imm and 0-valued immediates (fixes #735)
• OpenGL: Fix some shaders causing offset graphics
• GB Timer: Fix sub-M-cycle DIV reset timing and edge triggering
• Qt: Fix timing issues on high refresh rate monitors
• Qt: Fix linking after some windows have been closed
• Qt: Fix crash when changing audio settings after a game is closed
• Qt: Ensure CLI backend is attached when submitting commands (fixes #662)
• Qt: Disable “New multiplayer window” when MAX_GBAS is reached (fixes #107)
• Qt: Fix game unpausing after frame advancing and refocusing
• SDL: Fix game crash check
• SDL: Fix race condition with audio thread when starting
• SDL: Fix showing version number
• Test: Fix crash when loading invalid file
• Test: Fix crash when fuzzing fails to load a file
• Test: Don’t rely on core for frames elapsed
• Test: Fix crash when loading invalid file
• Test: Fix crash when fuzzing fails to load a file
• Tools: Fix recurring multiple times over the same library
• Util: Fix overflow when loading invalid UPS patches
• Util: Fix highest-fd socket not being returned by SocketAccept
• Windows: Fix VDir.rewind

Miscellaneous

• All: Add C++ header guards
• All: Move time.h include to common.h
• 3DS, PSP2, Wii: Last directory loaded is saved
• CMake: Add ability to just print version string
• Core: New, faster event timing subsystem
• Core: Clean up some thread state checks
• Core: Add generic checksum function
• Core: Cores can now have multiple sets of callbacks
• Core: Restore sleep callback
• Core: Move rewind diffing to its own thread
• Core: Ability to enumerate and modify video and audio channels
• Core: List memory segments in the core
• Core: Move savestate creation time to extdata
• Core: Config values can now be hexadecimal
• Core: Improved threading interrupted detection
• Debugger: Modularize CLI debugger
• Debugger: Make building with debugging aspects optional
• Debugger: Add functions for read- or write-only watchpoints
• Debugger: Make attaching a backend idempotent
• Debugger: Add mDebuggerRunFrame convenience function
• Feature: Move game database from flatfile to SQLite3
• Feature: Support ImageMagick 7
• Feature: Make -l option explicit
• FFmpeg: Return false if a file fails to open
• FFmpeg: Force MP4 files to YUV420P
• GB: Trust ROM header for number of SRAM banks (fixes #726)
• GB: Reset with initial state of DIV register
• GB MBC: New MBC7 implementation
• GB Audio: Simplify envelope code
• GB Audio: Improve initial envelope samples
• GB Audio: Start implementing “zombie” audio (fixes #389)
• GB Video: Improved video timings
• GBA: Ignore invalid opcodes used by the Wii U VC emulator
• GBA, GB: ROM is now unloaded if a patch is applied
• GBA DMA: Refactor DMA out of memory.c
• GBA DMA: Move DMAs to using absolute timing
• GBA I/O: Clear JOYSTAT RECV flag when reading JOY_RECV registers
• GBA I/O: Set JOYSTAT TRANS flag when writing JOY_TRANS registers
• GBA Memory: Support for Mo Jie Qi Bing by Vast Fame (taizou)
• GBA Memory: Support reading/writing POSTFLG
• GBA Memory: Remove unused prefetch cruft
• GBA Timer: Improve accuracy of timers
• GBA Video: Clean up unused timers
• GBA Video: Allow multiple handles into the same tile cache
• GBA Video, GB Video: Colors are now fully scaled
• GBA Video: Optimize when BLD* registers are written frequently
• OpenGL: Add xBR-lv2 shader
• Qt: Move last directory setting from qt.ini to config.ini
• Qt: Improved HiDPI support
• Qt: Expose configuration directory
• Qt: Merge “Save” and “OK” buttons in shader options
• Qt: Automatically load controller profile when plugged in
• Qt: Rename “Resample video” option to “Bilinear filtering”
• Qt: Remove audio thread
• Qt: Remove audio buffer sizing in AudioProcessorQt
• Qt: Re-enable QtMultimedia on Windows
• Qt: Make “Mute” able to be bound to a key
• Qt: Add .gb/.gbc files to the extension list in Info.plist
• Qt: Relax hard dependency on OpenGL
• Qt: Better highlight active key in control binding
• SDL: Remove scancode key input
• SDL: Automatically map controllers when plugged in
• Test: Add a basic test suite
• Util: Add size counting to Table
• Util: Add 8-bit PNG write support
• Util: Tune patch-fast extent sizes
• VFS: Call msync when syncing mapped data
• VFS: Allow truncating memory chunk VFiles
• VFS: Fix some minor VFile issues with FILEs
• VFS: Optimize expanding in-memory files
• VFS: Add VFileFIFO for operating on circle buffers

Changes from 0.6 beta 1

Features

• Qt: Italian translation (by theheroGAC)
• Qt: Updated German translation

Bugfixes

• Core: Fix rewinding getting out of sync (fixes #791)
• GB Audio: Fix incorrect channel 4 iteration
• GB Audio: Fix zombie mode bit masking
• GB Serialize: Fix timer serialization
• GB Video: Fix LYC regression
• GBA SIO: Improve SIO Normal dummy driver (fixes #520)
• GBA Timer: Fix count-up timing overflowing timer 3
• PSP2: Use custom localtime_r since newlib version is broken (fixes #560)
• Qt: Fix memory search close button (fixes #769)
• Qt: Fix window icon being stretched
• Qt: Fix initial window size (fixes #766)
• Qt: Fix data directory path
• Qt: Fix controls not saving on non-SDL builds
• Qt: Fix translation initialization (fixes #776)
• Qt: Fix patch loading while a game is running
• Qt: Fix shader selector on Ubuntu (fixes #767)
• Qt: Fix GL-less build
• Qt: Fix Software renderer not handling alpha bits properly
• Qt: Fix screen background improperly stretching
• SDL: Fix cheats not loading

Miscellaneous

• GB Serialize: Add MBC state serialization
• GBA Memory: Call crash callbacks regardless of if hard crash is enabled
• GBA Timer: Improve accuracy of timers
• PSP2: Update toolchain to use vita.cmake
• Qt: Add language selector
• Qt: Minor text fixes
• Qt: Move shader settings into main settings window
• Qt: Dismiss game crashing/failing dialogs when a new game loads
• Qt: Properly ship Qt translations
• SDL: Remove writing back obtained samples (fixes #768)