ZoniStation One

Spec sheet

Purpose

ZoniStation One is a PlayStation 1 emulator written from scratch in C99.Read 9 Oct 2026 · github.com

Deployment

The repository documents running emulator sessions as Kubernetes workloads, one pod per session, each with a GPU, display, and memory cards.Read 9 Oct 2026 · github.com

Security

For Ingress deployments, the maker documents per-session basic authentication and says credentials are created separately rather than stored in the repository.Read 9 Oct 2026 · github.com

License

The project is licensed under GPL-3.0-or-later.Read 9 Oct 2026 · github.com

BIOS

It runs the real BIOS without faking syscalls; users must supply the BIOS and game discs themselves.Read 9 Oct 2026 · github.com

Controllers

It supports a DualShock 4 over USB or Bluetooth and keyboard input alongside it.Read 9 Oct 2026 · github.com

Debugger

Its built-in debug interface includes a disassembler, breakpoints, watchpoints, an execution trace, and a Lua console.Read 9 Oct 2026 · github.com

Disc formats

It accepts .bin and .bin.ecm disc images, with ECM images decoded on the fly.Read 9 Oct 2026 · github.com

Disc images

It accepts .bin and .bin.ecm disc images, with ECM images decoded on the fly.Read 9 Oct 2026 · github.com

Game support

The project reports full gameplay for Ace Combat 2 and Crash Bandicoot 3, while describing its four tested titles as the entire sample rather than a compatibility list.Read 9 Oct 2026 · github.com

Graphics

It has OpenGL 3.3 and Vulkan 1.3 renderers that can be switched while a game is running.Read 9 Oct 2026 · github.com

Known issue

The project reports no gameplay audio in Monsters & Co. (Italy), although its FMV intros have sound.Read 9 Oct 2026 · github.com

Known issues

The maker reports missing gameplay audio in Monsters & Co. and audio repetition and drift in Dino Crisis cutscenes.Read 9 Oct 2026 · github.com

Limits

The emulator is PAL-focused: the maker says no NTSC disc has been run past the BIOS menu.Read 9 Oct 2026 · github.com

Not implemented

The project lists multitap and DualShock 2 pressure sensing among features not implemented.Read 9 Oct 2026 · github.com

Region limit

The project says PAL only is tested; no NTSC disc has been run past the BIOS menu.Read 9 Oct 2026 · github.com

Requirements

Users must supply the PlayStation BIOS and game discs; neither is included in the repository.Read 9 Oct 2026 · github.com

Save states

Save states cover the whole machine and check disc identity when loading.Read 9 Oct 2026 · github.com

Test status

The maker reports four tested PAL titles, with gameplay progress varying by title, and says this is the whole sample rather than a compatibility list.Read 9 Oct 2026 · github.com

Where Specifiction places it

• PlayStation Emulators#23 of 256.5