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The Ymir Git (2026/06/21) is a work-in-progress Sega Saturn emulator. It supports loading games from various file formats (BIN+CUE, ISO, etc.), automatic IPL ROM detection, region switching, and up to two-player support with customizable keybindings. Key features include backup memory management, save states, rewinding, turbo speed, and a debugger. The update includes several bug fixes and improvements, such as corrected syntax, translation adjustments for game titles, and enhancements to the CD block and VDP2 functionalities. Overall, it aims to provide a comprehensive gaming experience while continuously evolving through development.
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Ymir Git (2026/06/21) has been launched. It’s an ongoing project dedicated to developing a Sega Saturn emulator.
Key Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO files
Automatic detection of IPL (BIOS) ROM
Automatic regional switching
Support for up to two players using standard Control Pads on both ports (with more coming soon)
Fully customizable key bindings
Support for backup RAM and DRAM cartridges (more features to come)
Integrated memory manager for importing/exporting saves and transferring between internal and cartridge RAM
Save states
Rewind capability (up to one minute at 60 fps), turbo speed, frame stepping (forwards and backwards)
A feature-rich debugger still in development
Ymir Changelog:
* fix: Added missing parenthesis
* build: Fixed syntax issues
* build: Made screenshotter optional in manual nightly workflow dispatches
* feat(app): Attempted to catch Objective-C exceptions
* fix(app): Translated Japanese characters in game title for the window title bar
* fix(app): Another attempt to constrain the Settings window within the viewport
* docs: Fixed issues with Tilt!
* fix(cdblock-hle): Used saved start/end play parameters for FAD/track checks
* docs: Additional game fixed due to recent CD Block HLE modifications
* fix(cdblock-hle): Ignored read speed setting, always used 2x for data tracks
* fix(cdblock-hle): Maintained status code when executing Get TOC
* fix(VDP2): Latched current VCNT during EXTEN reads
* docs: Documented Digital Dance Mix’s Mode 2 track quirks
* fix(cdblock-hle): Additional fix for “resume from pause” Play command
* fix(cdblock-hle): Extended seek times to 5 ticks
* fix(cdblock-hle): Addressed more nuances in “Play Disc” command parameters
