Ymir Version Control (August 29, 2026)

Ymir Git (2026/08/29) is a new Sega Saturn emulator currently in development, supporting game loading through multiple formats like BIN+CUE and ISO. Features include automatic BIOS detection, region switching, and up to two-player support with customizable keybindings. Additional functionalities include RAM backup management, save states, and rewinding capabilities. The changelog highlights updates such as bug fixes related to the VDP hardware, improvements in the compositor, and documentation enhancements. The build process for Linux has been refined, along with various shader and debugging feature additions. Downloading the latest version is available through the provided source.

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Ymir Git (2026/08/29) has been released. It is an ongoing project for a Sega Saturn emulator.

Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO files
Automatic IPL (BIOS) ROM detection
Automatic region switching
Support for up to two players using standard Control Pads on both ports (more features to come)
Completely customizable keybindings
Support for backup RAM and DRAM cartridges (additional support to come)
Integrated memory manager to import and export saves, as well as transfer between internal and cartridge RAM
Save states
Rewinding (up to one minute at 60 fps), turbo speed, and frame stepping (forwards and backwards)
A feature-rich debugger currently under development

Ymir Changelog:
* fix(vdp-d3d12): Add UAV barriers
* fix(vdp-hw): Fix compositor issues
* feat(vdp-hw): Implement compositor
* feat(vdp-hw): Create color calculation window
* docs: Document games that utilize the color calculation window
* feat(debug): Add color calculation window parameters to the debug view
* feat(vdp-hw): Upload LNCL/BACK screens
* docs: Revise COMPILING instructions for Linux
* fix(build): Update NuGet username and feed URL, and correct DXC cache path
* build: Fix cache path issues
* build: Cache DXC build
* build: Attempt building DXC from Vulkan SDK on ARM64 Linux
* fix(vdp-hw): Another workaround for SPIRV-Cross
* build(gfx): Remove support for `glslc`
* fix(metal): Upgrade SPIRV-Cross MSL output to version 2.2 for 64-bit integer support
* chore(vdp-hw): Add fundamental features to the VDP2 compositor shader
* feat(vdp-hw): Render RGBs and fix bugs
* chore(build): Minor cleanup tasks
* fix(vdp-hw): Compile the shader correctly and resolve errors
* feat(vdp-hw): Define the rotparams shader
* build: Correct the screenshotter’s queued state check