Ymir Git (2026/10/12)

Ymir Git (2026/10/12) is released. A work-in-progress Sega Saturn emulator.

Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS or ISO files
Automatic IPL (BIOS) ROM detection
Automatic region switching
Up to two players with standard Control Pads on both ports (more to come)
Fully customizable keybindings
Backup RAM and DRAM cartridges (more to come)
Integrated backup memory manager to import and export saves, and transfer between internal and cartridge RAM
Save states
Rewinding (up to one minute at 60 fps), turbo speed, frame step (forwards and backwards)
A work-in-progress feature-rich debugger

Ymir Changelog:
* fix(vdp-d3d12): Flush FBRAM or spans when switching between the two
* fix(SCSP): Fix SCSP thread never sleeping
* fix(vdp-d3d12): Mark FBRAM dirty when uploading it in full
* fix(SMPC): Shorten delay for most commands
* fix(cdblocke-hle): Introduce Busy state to End Data Transfer command
* feat(cdblock-hle): Write busy delay to save state
* fix(cdblock-hle): Make Busy status an overlay to avoid slowing down playback
* fix(media-cue): Concatenate reads from composite readers
* fix(vdp-d3d12): Fix out-of-bounds writes when attempting to draw VDP1 sprites whose textures extend beyond VDP1 VRAM
* perf(vdp-d3d12): Minimize heap allocations when uploading FBRAM chunks
* fix(cdblock-hle): Introduce Busy status when pausing playback
* fix(vdp-d3d12): Sprite attributes texture needs more than 8 bits per pixel
* fix(vdp-d3d12): Fix debug names for PSOs and root signatures
* perf(SCSP): Threading microoptimizations
* feat(SCSP): Make threaded SCSP honor the step granularity setting
* feat(cdblock-hle): Emulate read FIFO for all read transfers
* fix(cdblock-hle): Reads from `0x5890000` should only pull one entry from the FIFO, not two
* build: Gate unimplemented graphics backends behind a feature flag
* build: Minor CMakeLists cleanup and fixes
* fix(VDP2): Also allow 8-bit writes to VDP2 registers
* build: Move derived build/version definitions to root CMakeLists

Download: Ymir Git (2026/10/12)
Source: Here