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Ymir Git (2026/04/22) is a work-in-progress Sega Saturn emulator that allows users to load games from various file formats (BIN+CUE, IMG+CCD, MDF+MDS, ISO). It features automatic BIOS detection, region switching, support for two players, customizable keybindings, and memory management for saves. The emulator includes advanced functions like save states, rewinding (up to one minute at 60 fps), turbo speed, and frame stepping. A feature-rich debugger is also in development. Recent updates include fixes for product numbers in file names based on disc metadata. Download options are available.
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Ymir Git (2026/04/22) 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
Automatic region detection
Supports up to two players using standard control pads on both ports (more features coming soon)
Fully customizable keybindings
Support for Backup RAM and DRAM cartridges (future updates planned)
Built-in memory manager to import/export saves, and transfer data between internal and cartridge RAM
Save state functionality
Rewinding capability (up to one minute at 60 fps), turbo speed, and frame stepping (both forwards and backwards)
An ongoing feature-rich debugging tool
Ymir Changelog:
* fix: Sanitize product numbers during file name generation from disc metadata
