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The Ymir Git Sega Saturn emulator was released on April 26, 2026. It supports various game formats (BIN+CUE, IMG+CCD, MDF+MDS, and ISO) and features automatic BIOS detection and region switching. Players can use up to two standard control pads, with customizable keybindings, save state options, and integrated memory management. Key improvements include support for backup RAM, rewinding capabilities, and a feature-rich debugger. The changelog highlights fixes and performance optimizations for VDP1 and VDP2, along with updates for Linux compatibility and testing enhancements. For more information, download Ymir Git from the provided source.
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Ymir Git (2026/04/26) has been released. This is a Sega Saturn emulator that is still in development.
Key Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO files
Automatic detection of IPL (BIOS) ROM
Automatic region switching
Multiplayer support for up to two players using standard Control Pads on both ports (more features on the way)
Fully customizable keybindings
Support for Backup RAM and DRAM cartridges (more features to come)
Integrated memory manager for saving and transferring saves between internal and cartridge RAM
Save states
Rewind functionality (up to one minute at 60 fps), turbo speed, and frame stepping (forwards and backwards)
An advanced, feature-rich debugger still under development
Ymir Changelog:
* Build: Fixed Linux vcpkg cache
* Fix(VDP1): Disabled early polygon drawing termination when rendering polygons with inverted user clipping mode
* Fix(VDP2): Reverted to clearer syntax and upgraded the Linux runner to version 24.04
* Fix(VDP2): Attempted a different syntax
* Perf(VDP2): Microoptimized `VDP2FetchPixel`
* Fix(VDP2): Resolved compilation error
* Perf(VDP2): Microoptimized layer sorting
* Perf(VDP2): Additional microoptimizations for VDP2 color offsets
* Chore: Updated Patreon supporters list
* Perf(SH2): Consolidated data-gathering loops in VDP2ComposeLine
* Perf(VDP2): Microoptimized color offset calculations
* Fix(VDP2): Corrected line color screen calculation ratio for LNCL insertions
* Fix(VDP2): Applied color calculations to the transparent sprite mesh layer 0
* Fix(VDP1): Introduced game-specific flag to skip command processing if the top of the table is empty
* Test(VDP2): Added MechWarrior 2 RBG1 main menu test case
* Fix(VDP2): Corrected VRAM access calculations when RBG1 is enabled
