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The Ymir Git emulator, released on August 23, 2026, is an evolving Sega Saturn emulator with various features. It supports loading games from multiple file formats, automatic BIOS ROM detection, and region switching. Users can play with two players using standard control pads, with plans for more options. Key features include customizable keybindings, backup RAM management, save states, rewinding (up to one minute at 60 fps), and a turbo speed function. Additionally, it has a debugger and various updates and fixes. For detailed changes, refer to the changelog. Download the emulator via the provided source.
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Ymir Git (2026/08/23) has been released. It’s an evolving Sega Saturn emulator.
Highlights:
Load games using BIN+CUE, IMG+CCD, MDF+MDS, or ISO formats
Automatic detection of IPL (BIOS) ROMs
Automatic region switching
Supports up to two players with standard Control Pads on both ports (additional support coming)
Highly customizable keybindings
Compatibility with Backup RAM and DRAM cartridges (more features on the way)
Built-in memory manager for importing and exporting saves and transferring between internal and cartridge RAM
Save state functionality
Rewinding (up to one minute at 60 fps), turbo speed, and frame stepping (both forwards and backwards)
An advanced debugging tool under development
Ymir Changelog:
* fix(docs): Clarified the need for the user to access the directory containing `procdump.exe` for successful command execution
* chore(vdp-d3d12): Cleaned up outdated TODOs
* fix(gfx-d3d): Prevented early release of adapters during enumeration
* chore(vdp-d3d12): This cleanup is unnecessary
* feat(vdp-d3d12): Optimized the wait time for upload buffer space
* fix(vdp-d3d12): Corrected use of `YMIR_DEV_ASSERT`
* fix(vdp-d3d12): Signaled end of frame for upload buffer
* feat(vdp-d3d12): Implemented a single upload ring buffer for efficient transfer allocation
* chore(vdp-d3d12): Enhanced visibility of fence value sequencing
* fix(vdp-d3d12): Resolved issues with devlog groups colliding with VDP definitions
