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0.8.1: (2020-02-16)
Emulation fixes:
- GB Serialize: Fix timing bug loading channel 4 timing
- GBA: Fix multiboot entry point while skipping BIOS
- GBA BIOS: Fix undefined instruction HLE behavior
- GBA DMA: Fix invalid audio DMA parameters
- GBA Memory: Misaligned SRAM writes are ignored
- GBA Serialize: Fix serializing DMA transfer register
- GBA Serialize: Fix audio DMA timing deserialization
- GBA Video: Fix OAM not invalidating after reset (fixes mgba.io/i/1630)
- GBA Video: Fix backdrop blending on lines without sprites (fixes mgba.io/i/1647)
- GBA Video: Fix OpenGL sprite flag priority
Other fixes:
- Core: Fix race condition initializing thread proxy
- Core: Fix integer overflow in ELF loading
- FFmpeg: Fix crash when -strict -2 is needed for vcodec or container
- FFmpeg: Disallow recording video with no audio nor video
- GBA: Automatically skip BIOS for multiboot ROMs
- Qt: Only dynamically reset video scale if a game is running
- Qt: Fix race condition with proxied video events
- Qt: Fix color selection in asset view (fixes mgba.io/i/1648)
- Qt: Fix missing OSD messages
- Qt: Fix crash unloading shaders
- Qt: Fix toggled actions on gamepads (fixes mgba.io/i/1650)
- Qt: Fix extraneous dialog (fixes mgba.io/i/1654)
- Qt: Fix window title not updating after shutting down game
- Qt: Fix GIF view not allowing manual filename entry
- Qt: Fix non-GB build (fixes mgba.io/i/1664)
- Qt: Fix pausing Qt Multimedia audio (fixes mgba.io/i/1643)
- Qt: Fix invalid names for modifier keys (fixes mgba.io/i/525)
- SDL: Refresh stale pointers after adding a joystick (fixes mgba.io/i/1622)
- Util: Fix crash reading invalid ELFs
- VFS: Fix handle leak when double-mapping (fixes mgba.io/i/1659)
Misc:
- FFmpeg: Add more presets
- Qt: Fix non-SDL build (fixes mgba.io/i/1656)
- SDL: Use DirectSound audio driver by default on Windows
- Switch: Make OpenGL scale adjustable while running
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0.7.3: (2019-09-15)
Emulation fixes:
- GB: Fix savedata initialization (fixes mgba.io/i/1473, mgba.io/i/1478)
- GB: Fix SGB controller incrementing (fixes mgba.io/i/1104)
- GB Audio: Improve channel 4 supersampling
- GB Printer: Reset printer buffer index after printing
- GB Audio: Deschedule channel 3 when disabled (fixes mgba.io/i/1463)
- GB Audio: Deschedule channel 1 when disabled by sweep (fixes mgba.io/i/1467)
- GB Video: Increment BCPS/OCPS even in mode 3 (fixes mgba.io/i/1462)
- GBA Memory: Fix STM to VRAM (fixes mgba.io/i/1430)
- GBA Memory: Fix STM/LDM to invalid VRAM
- GBA Video: Fix wrapped sprite mosaic clamping (fixes mgba.io/i/1432)
- GBA Audio: Fix channel 4 aliasing (fixes mgba.io/i/1265)
Other fixes:
- Core: Fix crashes if core directories aren't set
- Core: Fix crash when exiting game with cheats loaded
- GBA: Set up GPIO mapping on null and ELF ROM regions (fixes mgba.io/i/1481)
- GBA Cheats: Fix PARv3 Thumb hooks
- GBA Cheats: Fix value incrementing in CB slide codes (fixes mgba.io/i/1501)
- Qt: Fix FPS target maxing out at 59.727 (fixes mgba.io/i/1421)
- Qt: Cap audio buffer size to 8192 (fixes mgba.io/i/1433)
- Qt: Fix race conditions initializing GDB stub
- Qt: Improve cheat view UX
- Libretro: Fix crash changing allowing opposing directions (hhromic)
- mGUI: Fix crash if last loaded ROM directory disappears (fixes mgba.io/i/1466)
- Switch: Fix threading-related crash on second launch
Misc:
- Qt: Make mute menu option also toggle fast-forward mute (fixes mgba.io/i/1424)
- Qt: Show error message if file failed to load
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Emulation fixes:
GB: Fix HALT when IE and IF unused bits are set (fixes #1349)
GB Timer: Fix timing adjustments when writing to TAC (fixes #1340)
GB Video: Fix window y changing mid-window (fixes #1345)
GB Video: Fix more window edge cases (fixes #1346)
GBA: Fix RTC on non-standard sized ROMs (fixes #1400)
GBA DMA: Fix DMA0-2 lengths (fixes #1344)
GBA Memory: Fix writing to OBJ memory in modes 3 and 5
GBA Memory: Prevent writing to mirrored BG VRAM (fixes #743)
GBA Video: Fix scanline cache with scale factor change edge cases
GBA Video: Fix sprite mosaic clamping (fixes #1008)
GBA Video: Implement mosaic on transformed sprites (fixes #5)
Other fixes:
All: Fix several memory leaks
GB Core: Fix toggling WIN and OBJ being swapped
GBA: Fix skipping BIOS on irregularly sized ROMs
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Bugfixes:
- GB: Fix crash when accessing SRAM if no save loaded and cartridge has no SRAM
- GB Serialize: Fix loading states with negative pixel x (fixes mgba.io/i/1293)
- GB, GBA Serialize: Fix loading two states in a row
- GBA: Fix video timing when skipping BIOS (fixes mgba.io/i/1318)
- GBA DMA: Fix Display Start DMAs
- GBA DMA: Fix DMA start/end timing
- GBA DMA: Fix invalid DMA handling (fixes mgba.io/i/1301)
- GBA Memory: Fix a few AGBPrint crashes
- GBA Memory: Fix OOB ROM reads showing up as AGBPrint memory
- GBA SIO: Prevent writing read-only multiplayer bits
- GBA Video: Fix enabling layers in non-tile modes (fixes mgba.io/i/1317)
Misc:
- GBA Video: Improve sprite cycle counting (fixes mgba.io/i/1274)
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Changes from 0.6.3
Features
ELF support
Game Boy Camera support
Game Boy Printer support
Super Game Boy support
Customizable autofire speed
Ability to set default Game Boy model
Map viewer
Automatic cheat loading and saving
GameShark and Action Replay button support
AGBPrint support
Debugger: Conditional breakpoints and watchpoints
Ability to select GB/GBC/SGB BIOS on console ports
Optional automatic state saving/loading
Access to ur0 and uma0 partitions on the Vita
Partial support for MBC6, MMM01, TAMA and HuC-1 GB mappers
GBA: ARMIPS/A22i-style and ELF symbol table support
Initial Switch port
Bugfixes
ARM: Fix MSR when T bit is set
Core: Fix audio sync breaking when interrupted
Core: Fix ordering events when scheduling during events
FFmpeg: Fix encoding audio/video queue issues
GB: Revamp IRQ handling based on new information
GB: Fix IRQ disabling on the same T-cycle as an assert
GB Audio: Make audio unsigned with bias (fixes #749)
GB Audio: Clock frame events on DIV
GB Audio: Fix channel 3 reset value
GB Audio: Fix channel 4 initial LFSR
GB Audio: Fix channel 1, 2 and 4 reset timing
GB I/O: DMA register is R/W
GB MBC: Improve multicart detection heuristic (fixes #1177)
GB, GBA Savedata: Fix savestate loading overwriting saves on reset
GB, GBA Savedata: Fix unmasking savedata crash
GB Serialize: Fix audio state loading
GB Serialize: Fix game title check
GB Serialize: Fix IRQ pending/EI pending confusion
GB Timer: Minor accuracy improvements
GB Video: Fix dot clock timing being slightly wrong
GB Video: Fix loading states while in mode 3
GB Video: Fix enabling window when LY > WY (fixes #409)
GB Video: Fix SCX timing
GB, GBA Video: Don’t call finishFrame twice in thread proxy
GBA: Reset WAITCNT properly
GBA BIOS: Fix BitUnPack final byte
GBA BIOS: Fix BitUnPack narrowing
GBA DMA: Fix invalid DMA reads (fixes #142)
GBA DMA: Fix temporal sorting of DMAs of different priorities
GBA Hardware: Fix RTC overriding light sensor (fixes #1069)
GBA Hardware: Fix RTC handshake transition (fixes #1134)
GBA Memory: Fix Vast Fame support (taizou) (fixes #1170)
GBA Savedata: Fix savedata modified time updating when read-only
GBA Serialize: Fix loading channel 3 volume (fixes #1107)
GBA Serialize: Fix loading states in Hblank
GBA SIO: Fix unconnected SIOCNT for multi mode (fixes #1105)
GBA Timer: Fix timers sometimes being late (fixes #1012)
GBA Video: Don’t mask out high bits of BLDY (fixes #899)
GBA Video: Add delay when enabling BGs (fixes #744, #752)
GBA Video: Start timing mid-scanline when skipping BIOS
GBA Video: Improve sprite cycle counting (fixes #1126)
GBA Video: Make layer disabling work consistently
Miscellaneous
All: Make FIXEDi_ROM_BUFFER an option instead of 3DS-only
Core: Remove broken option for whether rewinding restores save games
Feature: Added loading savestates from command line
GBA Cheats: Allow multiple ROM patches in the same slot
GB: Skip BIOS option now works
GB: Fix VRAM/palette locking (fixes #1109)
GB Audio: Improved audio quality
GB, GBA Audio: Increase max audio volume
GB MBC: Remove erroneous bank 0 wrapping
GB Video: Darken colors in GBA mode
GBA: Extend oddly-sized ROMs to full address space (fixes #722)
GBA: Implement display start DMAs
GBA: Improve multiboot image detection
GBA Memory: 64 MiB GBA Video cartridge support
GBA Savedata: Remove ability to disable realistic timing
GBA Timer: Use global cycles for timers
Changes from 0.7 beta 1
Features
Libretro: Add Game Boy cheat support
Tile viewer now has adjustable width
Bugfixes
Core: Remember to deinit proxy ring FIFO
Core: Reroot timing list when (de)scheduling
GB, GBA: Fix broken opposing button filter (fixes #1191)
GB MBC: Fix MBC30 SRAM
GB, GBA Savedata: Fix leaks when loading masked save (fixes #1197)
GB Video: Fix SGB border hole size
GB Video: Changing LYC while LCDC off doesn’t affect STAT (fixes #1224)
GBA: Fix GB Player features
GBA I/O: SOUNDCNT_HI is readable when sound is off
GBA Savedata: Fix EEPROM writing codepath when savetype is not EEPROM
GBA Video: Fix caching with background toggling (fixes #1118)
Libretro: Fix adding codes with hooks
Miscellaneous
CMake: Fix libswresample version dependencies (fixes #1229)
Debugger: Minor text fixes
Debugger: Readability improvements (fixes #1238)
GB: Improved SGB2 support
GB Audio: Skip frame if enabled when clock is high
Libretro: Reduce rumble callbacks
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A _POSIX_C_SOURCE definition is needed for some locale definitions, but
some non-standard functions are also used (notably futimes). Avoid using
a global definition for _POSIX_C_SOURCE and define it where necessary,
while also defining _BSD_SOURCE and _NETBSD_SOURCE to get the right
prototype for futimes where necessary.
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Libretro is a simple but powerful development interface that allows for the
easy creation of emulators, games and multimedia applications that can plug
straight into any libretro-compatible frontend. This development interface is
open to others so that they can run these pluggable emulator and game cores
also in their own programs or devices.
mGBA is an emulator for running Game Boy Advance games. It aims to be faster
and more accurate than many existing Game Boy Advance emulators, as well as
adding features that other emulators lack. It also supports Game Boy and
Game Boy Color games.
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