Tech riderRev. 21 Sept 2026
- 1Runs onLinux, Windows
- 2CostsNot stated by the maker
- 3Supported platformsWindows, Linux
- 4Controller supportYes
- 5Save statesYes
- 6Dreamcast BIOS requiredYes
5 lines stated Written from the maker's own pages: senryoku.github.io
Overview
Deecy is ranked #6 of 9 in Dreamcast emulators on Specifiction. It runs on Linux, Windows.
Compared on Dreamcast emulators
- Free plan
- Yessenryoku.github.io
- Supported platforms
- Windows, Linuxsenryoku.github.io
- Controller support
- Yessenryoku.github.io
- Save states
- Yessenryoku.github.io
- Dreamcast BIOS required
- Yessenryoku.github.io
Facts
- product type
- Deecy is an experimental Dreamcast emulator written in Zig.github.com · 30 Sept 2026
- operating systems
- The official site describes Deecy as an open-source Dreamcast emulator for Windows and Linux.senryoku.github.io · 30 Sept 2026
- installation
- Users download and decompress an archive, place BIOS and flash dumps named dc_boot.bin and dc_flash.bin in the data folder, then choose their disc-image directory.senryoku.github.io · 30 Sept 2026
- disc formats
- The command-line interface can load .gdi, .cdi and .chd disc files.github.com · 30 Sept 2026
- fullscreen and speed
- The emulator supports fullscreen toggling and an unlimited emulation-speed mode.github.com · 30 Sept 2026
- Linux serial integration
- The Linux-only --scif option pipes a serial port to /tmp/deecy/scif for dcload-serial prototyping.github.com · 30 Sept 2026
- DreamPicoPort integration
- DreamPicoPort support is available as an optional build dependency and can be disabled with -Ddreampicoport=false.github.com · 30 Sept 2026
- compatibility
- The project maintains a compatibility list and invites users to contribute through a dedicated repository.senryoku.github.io · 30 Sept 2026
- known limitations
- The README lists unfinished areas including AICA filtering, framebuffer handling, exclusion modifier volumes, and several renderer features.github.com · 30 Sept 2026
- licensing
- The project states that the rest of Deecy is MIT licensed, while MAME data uses BSD-3-Clause and CHD features are based on MAME code.github.com · 30 Sept 2026
- support
- Bug reports are directed to the project's GitHub issue tracker.senryoku.github.io · 30 Sept 2026
- funding
- The official site asks supporters to make a one-time donation through GitHub Sponsors.senryoku.github.io · 30 Sept 2026
- Product
- Deecy is an open source Dreamcast emulator for Windows and Linux.senryoku.github.io · 1 Oct 2026
- Technology
- Deecy is an experimental Dreamcast emulator written in Zig.raw.githubusercontent.com · 1 Oct 2026
- Downloads
- The official site provides unstable builds for Windows and Linux.senryoku.github.io · 1 Oct 2026
- BIOS requirement
- Installation requires copying BIOS and flash dumps named dc_boot.bin and dc_flash.bin into the data folder.senryoku.github.io · 1 Oct 2026
- Disc images
- Users select the folder where their Dreamcast disc images are stored.senryoku.github.io · 1 Oct 2026
- Keyboard
- Keyboard bindings can be customized in Settings.raw.githubusercontent.com · 1 Oct 2026
- DreamPicoPort
- DreamPicoPort support is available and can be disabled with the -Ddreampicoport=false build option.raw.githubusercontent.com · 1 Oct 2026
- Linux serial feature
- The --scif option pipes the serial port to /tmp/deecy/scif on Linux for use with dcload-serial.raw.githubusercontent.com · 1 Oct 2026
- Issue intake
- Issue creation is restricted in the Deecy GitHub repository.github.com · 1 Oct 2026
- Maker
- Sen describes himself as a software developer from France and identifies the project account as Senryoku.github.com · 1 Oct 2026
Best Deecy alternatives
See all 8 All accessCh 01 Flycast Free planAndroidLinux Free to start7.4 All accessCh 02 MAME Free planAndroidLinux Free to start7.4 All accessCh 03 Flycast Free planAndroidLinux Free to start7.2 All accessCh 04 WashingtonDC Free planLinuxWindows Free to start7.2 All accessCh 05 Flycast AndroidLinux 7.1 All accessCh 07 nullDC 2.0.0 LinuxMac 6.8
Where it ranks on Specifiction
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Sources
- github.com/Senryoku/Deecy/blob/main/README.md· checked 30 Sept 2026
- senryoku.github.io/Deecy/· checked 30 Sept 2026
- raw.githubusercontent.com/Senryoku/Deecy/master/README.md· checked 1 Oct 2026
- github.com/Senryoku/Deecy/issues· checked 1 Oct 2026
- github.com/sponsors/Senryoku· checked 1 Oct 2026