SameBoy

This version is backwards compatible with save states from SameBoy 0.14.3 and newer, as well as save states from any BESS compliant emulator

New/Improved Features

• Better ZIP file compatibility in iOS
• Added keyboard shortcuts for the VRAM and Memory Viewers in the Cocoa frontends
  • VRAM Viewer tabs can be switched using ^1 - ^4
• 0x can now be used an an alternative hexadecimal prefix in the debugger and Memory Viewer

Accuracy Improvements/Fixes

• More accurate emulation of invalid MLT_REQ SGB commands
• Fixed a bug where certain Game Boy Printer margin configurations were not emulated correctly
• When emulating an RTC cartridge in Sync-to-Host mode, the RTC will now correctly halt if instructed by the ROM
• Improved Game Boy Printer accuracy and timings
• More realistic IR emulation, fixes IR features in certain games
• Improved DAC emulation, especially on pre-GBC models
• Improved LFSR stepping on pre-GBC models
• Emulate a quirk where square channels keep running “in the background” after their timer expired on pre-GBC models
• On pre-GBC models, the duty cycle of square channels is now latched between frequency clocks
• Improved emulation of Wave RAM corruption on affected models
• Correctly emulate noise channel background behavior on pre-GBC models

Thanks to Jeff Lynn for contributing many of this release’s APU improvements!

Bug Fixes

• Fix Printer emulation and UI on iOS 27
• Invalid SGB multiplayer modes are now correctly saved and loaded from states
• Fixed a bug where WX writes would corrupt the Game Boy Camera state
• Various fixes involving BESS serialization of RTC, HuC1, and TPP cartridges
• Fixed a bug that caused Cheat Search to not scan HRAM when running ROMs without cartridge RAM
• Fixed a regression that caused the libretro frontend to crash when running ROMs that has a cartridge battery but no RTC
• Fixed a memory leak when taking screenshots in the SDL frontend on systems that use libpng
• Fixed an issue that could cause ROMs filenames with no extensions to read and write from incorrect paths on Windows
• Fixed an issue where SameBoy would behave incorrect when running from certain long Unicode paths on Windows
• Fixed screenshots on Wine in the SDL port
• Improved serialization of the Game Boy Printer state
• Fixed a bug where certain Game Genie codes where not interpreted correctly
• Fixed an issue where searching for cheats might return less results if two matching 16-bit results are overlapping
• The camera and rumble states are now BESS-serialized
• Fixed a bug where cheats modifying cartridge RAM addresses would ignore their configured bank
• Fixed a bug where DST would interfere with the intended behavior of the Workboy’s internal clock
• Fixed a bug where loading states could connect an accessory that might have not been supported by the frontend
• Fixed a bug where resetting the Game Boy would disconnect a connected accessory
• Fixed errors that caused audio recordings saved to AIFF and WAV files to use slightly invalid headers
• Fixed a memory leak when using Cheat Search
• SDL’s --model flag incorrectly handled MGB as DMG
• Fixed a memory leak in the SDL frontend’s Cheats menu
• Improved validation of ISX ROMs
• Fixed a bug that could trigger phantom button presses, which in rare occasions could trigger game resets in the Cocoa and iOS frontends
• Fixed a crash that could happen when handling with large selections in the Cocoa Memory Viewer
• Fixed a potential crash when trying to change Cartridge RAM banks in the Memory Viewer while there is no Cartridge RAM
• Fixed a potential freeze when trying to rename a palette in the Cocoa frontend and there are already palettes sharing the same name or prefix
• Fixed a bug where deleting the last cheat code in the Cocoa or SDL frontends would not persist after reopening the ROM
• Improved audio quality in the Cocoa and iOS frontends when dealing with underflows

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