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Development snapshot of the native Slip Stream recompilation (Windows x64 and Steam Deck / Linux x86_64).
STATUS: the V60 program is translated to C and frame-accurate against the MAME reference. The sound board runs the original Z80 program on MAME's Z80 with RF5C68 and YM3438, mixed to SDL2; its sample and state hashes match the reference for 106 of the first 120 frames. The game still renders a black screen due to an unresolved boot-timing issue, so this build is NOT playable yet.
No ROM, BIOS, graphics, audio or region data is included. Use your own MAME slipstrm.zip:
Windows: python extract_regions.py slipstrm.zip regions
slipstream.exe --regions regions
Linux: put slipstrm.zip in ~/.local/share/slipstream/ (or set SLIPSTREAM_REGIONS)
Assets:
- SlipStream-Windows-x64-Dev.zip
SHA256 99E1BB06FEF7DA4D79358CBFA6E1233F3089D27EEEB6F138E08A09DBD3AD12CE - SlipStream-SteamDeck-x86_64.AppImage
SHA256 F18C5E9ACBB18D06DC8842DE32982EFEC56E4402B898C57A62DBD321A49049A6
Built in WSL Ubuntu 22.04 with SDL2; smoke-tested headlessly. It carries no game data.
Credits: the core of this project is arcade-decomp by Sebastian Toyos (@cheviman), https://github.com/cheviman/arcade-decomp, with the System 32 runtime from his segasonic-decomp. The sound board uses MAME's Z80/RF5C68 and ymfm (BSD-3-Clause). Please preserve the notices.
Sound note: MAME's own title screen is silent for the first 8 seconds, so a zero-level capture at boot is expected. The remaining issue is a frame-106 state divergence in the shared-RAM command area, not a crash. The display remains black.
Source: https://github.com/omegakatana92/Slipstream-Recomp
License: PolyForm Noncommercial 1.0.0 (original code); reused BSD-3-Clause code keeps its notices.
Slip Stream is (c) Capcom; Sega System 32 is Sega's hardware.
