mirror of https://github.com/bsnes-emu/bsnes.git
127 lines
6.0 KiB
Markdown
127 lines
6.0 KiB
Markdown
# Change Log
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## Version 0.6
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### New/Improved Features
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* Conditional r/w/rw debugger watchpoints
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* Added the "!=" operator to the debugger
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* Redefined the debugger input and output syntax, being more consistent with RGBDS
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* Debugger now reads .sym files (Tested with 3 popular formats). It shows symbols when possible, and allows using them in expressions
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* Debugger data types can now be either 16-bit values, or 25-bit full addresses that include a bank identifier
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* Debugger commands and expressions support full addresses as parameters. This allows, for example, breaking on an address on a specific ROM bank, or reading a value from a specific MBC RAM bank.
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* Some debugger commands may now run without breaking the debugger. (Similar to LLDB or GDB's async mode)
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* SDL port now supports save states
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* Improved performance by about 6% by enabling link-time optimizations
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* Reduced file size by stripping executables
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* Several Cocoa-only UX improvements:
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* Prevented being paused "twice" (Both by the pause option and the debugger)
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* Optional proportional resizing
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* Proper fullscreen support
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* Mouse cursor is now hidden while running
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### Accuracy Improvements/Fixes
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This version includes major accuracy improvements, which allow it to pass 54 tests out of [mooneye-gb](https://github.com/Gekkio/mooneye-gb)'s 58 acceptance tests (2 of which fail due to not including the original boot ROM); more than any other emulator.
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* Rewritten MBC support, with MBC1M support (Fixing some N-in-1 cartridges)
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* Major accuracy improvements to OAM DMA.
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* Corrected a lot of instruction memory-access timings
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* Corrected some IO register masks
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* Major accuracy improvements to timers (TIMA/DIV)
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### Bug Fixes
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* Corrected operator priorities in the debugger
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* Fixed a bug where a breakpoint might have been ignored
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* Reduced CPU usage when running games with a real time clock
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* Handling ^C and ^D more sanely in SDL port
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* Fixed memory leak in Cocoa
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### Misc Internal Changes
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* Added infrared API, but it is not actually used by any of the GUIs
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* Fixed build system bugs that caused needless dep file generation, and made the Cocoa build fail sometimes if SDL is not installed
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## Version 0.5
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This version is not compatible with save states of older versions.
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### New/Improved Features
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* Updated save state format, should now be much more future compatible
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* Save state compatibility between 32 and 64 bit versions of SameBoy
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* Cocoa version is now using OpenGL 3
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* HQ2x filter added (Cocoa only)
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* A new, redesigned OmniScale filter; old filter is renamed to OmniScale Legacy (Cocoa only)
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* Cocoa port now "remembers" the last window size
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* Added boolean operators to the debugger
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* Added conditional breakpoints
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### Accuracy Improvements/Fixes
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* Better emulation of certain behaviors of the SCX register
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* Fixed emulation of the STOP instruction
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* Minor fix to the accuracy of the JOYPAD register
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* Minor improvements to HDMA accuracy
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### Bug Fixes
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* Improved concurrency in the Cocoa port
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* Fixed a bug where an emulator window in the Cocoa port will freeze until resized
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* Fixed incorrect disassembler outputs
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* Fixed a potential crash when deleting a breakpoint
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### Misc Internal Changes
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* Large code refactoring, getting ready to stabilize API
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## Version 0.4
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This version is not compatible with save states of older versions.
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### New/Improved Features
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* Cocoa port now includes several scaling algorithms, including a beta of the exclusive OmniScale algorithm
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* SDL port now includes sound support
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* SDL port now includes battery save support
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### Accuracy Improvements/Fixes
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* APU emulation now includes stereo support
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* Improved PCM registers emulation
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* More accurate STAT interrupt emulation. This fixes Altered Space.
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### Bug Fixes
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* The Cocoa port ignored some key presses if the user keyboard layout included non-ASCII characters
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* Fixed a bug that could cause a crash when adding or removing a breakpoint
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## Version 0.3
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### New/Improved Features
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* New debugger command: cartridge (alias: mbc) shows information about the cartridge and the current status of the MBC
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* Experimental debugger command: sld (Short for Stack Leak Detection) behaves similarly to finish, but stops if a stack leak or stack overflow is detected
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* The Cocoa port now allows configuring controls
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### Accuracy Improvements/Fixes
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* ROM banks now wrap (Fixes game: Pocket Monster Adventures (Bootleg))
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* Fixed incorrect DMA behavior, DMA might fail for specific source addresses (Fixes game: The Smurfs 3)
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* Timer registers were counting too slow in CGB double speed mode
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* Corrected read behavior of the HDMA5 register (Fixes game: A Bug's Life in CGB mode)
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* Fixed a bug with the CGB boot ROM that prevented initialization of the wave RAM
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* The CGB boot ROM now loads the DMG tilemap for specific games, just like the original ROM (Fixes game: X (intro animation))
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* Fixed a bug where audio channel 3 was playing silently while it should have been muted.
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### Bug Fixes
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* Debugger's finish command now behaves correctly when interrupts are involved
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* Corrected the description for the breakpoint command
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* SameBoy will not create save files for ROMs without cartridge RAM or RTC, even if they report having a battery, preventing 0-bytes save files
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## Version 0.2
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### New/Improved Features
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* Support for multiple breakpoints
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* Better debugger command style and error reporting; includes help command
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* In the SDL port, ^C in the terminal will break the debugger instead of quitting SameBoy
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* Cocoa port now saves preferences (Model and frame blending)
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* It is not possible to toggle console output and debugging in the Cocoa port
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### Accuracy Improvements/Fixes
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* Read/write masks corrected for several registers
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* Corrected 144th OAM interrupt behavior
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* LCD operation moved to advance_cycles, fixing some obscure timing issues (Fixes game: X / Ekkusu)
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* More accurate emulation of the registers controlling DMG emulation on CGB
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* Emulation of PCM_12 and PCM_34 in the SDL port
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### Bug Fixes
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* Debugger's next command can now exit a function
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## Version 0.1
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* Initial public release |