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Ymir Git (2026/05/05) is a work-in-progress Sega Saturn emulator featuring support for multiple file formats (BIN+CUE, IMG+CCD, MDF+MDS, ISO). It includes automatic IPL ROM detection, region switching, up to two-player support, fully customizable keybindings, and backup RAM management. Key features also comprise save states, rewinding (up to one minute at 60 fps), turbo speed, and a frame step function. Additionally, a feature-rich debugger is in development. The latest changelog addresses performance improvements and fixes related to media validation. Download Ymir Git to experience these features in your Sega Saturn gaming.
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Ymir Git (2026/05/05) has been released. This is an ongoing project for a Sega Saturn emulator.
Key Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO formats
Automatic detection of IPL (BIOS) ROM
Seamless region switching
Supports up to two players using standard control pads across both ports (more features coming soon)
Fully customizable keybindings
Support for Backup RAM and DRAM cartridges (more features to be added)
Integrated memory manager for importing and exporting saves, including transfers between internal and cartridge RAM
Save states functionality
Rewind capability (up to one minute at 60 fps), turbo speed, and frame stepping (both forwards and backwards)
A feature-rich debugger currently in development
Ymir Changelog:
* perf(SCU): Force-flatten `SCUDSP::Run`
* perf(SH2): Force-inline `SH2::StepDMAC`
* fix(media): Verify that a valid Saturn disc is loaded before filesystem parsing
