SameBoy 0.11

Downloads

This version is not compatible with save states of older versions.

The Cocoa and SDL ports can now rewind the game using a configurable key
The libretro port can now be compiled for Haiku and Wii U
The libretro port now has split-screen link cable emulation
The Cocoa and SDL ports can now under-clock the emulator for a “slow motion” effect
A new LCD screen filter for both the Cocoa and SDL ports
The new PPU and timing system introduced an up to 100% performance boost (More details in “Accuracy Improvements/Fixes”)
A new debugger operator – {...} can now be used to dereference a pointer to a 16-bit value
Fullscreen support in the SDL port
Improved audio in the Windows SDL port, on supported versions of Windows
The delete and unwatch debugger commands are now less strict
Added joystick hat support to the SDL port
The Cocoa port now uses Metal on supported Macs for better performance on laptops and less capable desktops
The Cocoa port now allows specifying a boot ROMs folder, so it can be used with the original boot ROMs
Improved the Cocoa debugger, it is now more responsive and no longer truncates output
The lcd debugger command now shows more accurate details about what the PPU is currently doing
The SDL port now has proper joypad configuration, similar to the Cocoa port
The SDL port now has more consistent joypad menu navigation, in comparison to keyboard navigation
Improved analog stick controls in both ports

This version introduced major accuracy improvements, making SameBoy able to pass:
- All of mooneye-gb’s acceptance tests
- All of Wilbert Pol’s tests
- All of Blargg’s tests
Improved emulation of analog characteristics of the APU for more accurate sound
Emulation of an open-bus-like quirk behavior in GDMA and HDMA
A whole new T-cycle accurate PPU:
- Accurate interrupt timing and blocking
- Sprite timings are now accurate
- Pixel pushing timing is now accurate, for pixel-perfect emulation of Prehistorik Man
- Has accurate memory and register access timings
Accurate emulation of several timing edge cases related to the halt instruction
Accurate emulation of a DMA bus quirk on the DMG
Complete and accurate emulation of the OAM bug, including cases not tested by Blagg’s tests
Fixed a regression in dmg_sound-2
Several accuracy fixes in SameBoy’s built-in boot ROMs
DMA now blocks PPU OAM access
Correct emulation of wiring both sets of buttons in JOYP
Fixed a bug where HDMA and GDMA were 4 times faster than they should have been
I/O register access conflicts are now emulated, including behavior differences between models
Improved accuracy of the halt bug
Correct emulation of the DMG STAT-write bug, which is just a specific case of I/O register access conflict
Emulated an APU glitch where in some edge cases a DIV-triggered APU event is skipped

Minor text adjustments in both the Cocoa and SDL ports
Fixed the Android build of the libretro port
The call instruction is now properly symbolicated
Fixed an issue that caused the Cocoa port to play a beep sound when certain buttons were pressed
Fixed several graphical issues with some of the filters
Worked around an SDL bug introduced in the macOS port of SDL
Fixed a bug where SameBoy froze after leaving turbo mode
Fixed a bug where the Windows port could not handle Unicode paths
Fixed a bug where the debugger wrote to the wrong CGB RAM bank
Fixed a bug where debugging symbols were not properly reloaded
Fixed save states in the SDL port
Fixed a bug where battery saves were not always saved in the SDL port
Fixed a bug where the SWAP instruction was incorrectly disassembled as RLC
Fixed a bug where the Cocoa memory viewer would play a beep sound and show a warning after resetting the emulator

API refinements
Minor improvements to the Windows build system
Documented several differences between DMG revisions and CGB revisions, and between DMG and MGB. SameBoy now explicitly targets DMG-CPU-B and CGB-CPU-E, and hopefully more revisions in the future
The official Windows binaries now use SDL 2.0.8