Ymir Git (2026/06/17) is a work-in-progress Sega Saturn emulator that supports loading games from various file formats, including BIN+CUE and ISO. Key features include automatic BIOS detection, region switching, multi-player support, customizable keybindings, and memory management for saves. It offers advanced functions like save states, rewind capability, turbo speed, and frame stepping, alongside a developing debugger. The latest update includes several fixes related to VDP1, improving event flushing, clipping coordinates, and optimization for line drawing and Gouraud shading. This emulator is designed for enhanced user experience and to improve gameplay performance. Download available.
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Ymir Git (2026/06/17) has been released. This is a developing Sega Saturn emulator.
Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO files
Automatic detection of IPL (BIOS) ROM
Automatic region detection
Support for two players using standard Control Pads on both ports (more features to come)
Completely customizable keybindings
Support for Backup RAM and DRAM cartridges (additional features coming soon)
Built-in backup memory manager for importing and exporting saves, plus transferring between internal and cartridge RAM
Save states functionality
Rewinding (up to one minute at 60 fps), turbo speed, and frame stepping (forward and backward)
An extensive debugger is currently in progress
Ymir Changelog:
* fix(VDP1): Ensure all pending events are cleared when syncing FBRAM accesses
* VDP1: Utilize all 16 bits for system and user clipping coordinates
* fix(VDP1): Synchronize FBRAM reads and writes
* fix(VDP1): Avoid ending frame drawing when an infinite loop occurs
* fix(VDP1): Improvements to line drawing optimization
* fix(VDP1): Gouraud shading was not updated in transparent pixels
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