969b816aad
While chasing the draw-stream question I found THREE xenia instances running simultaneously (started 15:39, 15:44, 16:12), which violates the "one emulator at a time" hard rule and confounds the finding I recorded last iteration. All three read the same /tmp/xenia_pad.txt and share display :98. A press written to that file is delivered to EVERY instance, while `screenshot` grabs whichever window is topmost -- not necessarily the one that acted on it. So "(A) was delivered and the screen did not change" may simply be two different emulators, and the keystroke-level confirmation proves only that SOME instance received it. The navigation.md entry claiming the boot title's "2 of 2" is no longer 2 of 2 is withdrawn as unsupported, pending a clean re-run. The cause was mine. run-canary's lockfile is the IMPLEMENTATION of the one-at-a- time rule; a kill -9 orphans it, and the obvious unblock -- rm -f the lock -- also disables the guard for every later launch. I did that more than once today. METHOD gains two entries. A lockfile is the rule, not an obstacle to it: clear a stale lock only after confirming zero live instances, and COUNT them rather than trusting a kill landed, because a plain kill is asynchronous and a -9 on a stuck process can take seconds. When a guard blocks you, the question is whether the condition it guards against is present, not how to remove the guard. And a third instance of pgrep -f matching the shell that runs it -- this time it killed a cleanup command halfway through, leaving the emulators alive and the lock in place. Already recorded for wait-loops; promoted to "reach for -C first". Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Sylpheed
A clean-room reverse engineering and port project for Project Sylpheed: Arc of Deception (Xbox 360, 2007).
Three things live here, in one repository so that a change spanning them lands as one commit:
| The decoders | crates/sylpheed-formats — the disc's formats, read and verified disc-wide |
| The port | port/ — a Godot 4 project, plus crates/sylpheed-export which converts a disc into the open asset tree it reads |
| The corpus | docs/re/ — what has been reverse engineered, with its evidence, its retractions and its dead ends |
You need your own copy of the game. No game content is in this repository and none ever will be. The exporter reads the disc you supply.
The oracle is the real game
sylpheed-cliand the Explorer are tools for verifying our decoding. They are hypotheses under test and they have been wrong. When something must be checked against the truth, the truth is the game running in Xenia Canary, captured — not any renderer of ours.
This is stated first because getting it backwards is the most expensive mistake this project has made.
Layout
crates/
sylpheed-formats/ the decoders. Disc-wide verified; the corpus is its spec
sylpheed-cli/ headless tools -- render a screen, dump a table, probe audio
sylpheed-viewer/ the Explorer: a human's window onto the disc. STATIC data only
sylpheed-export/ disc -> the open, moddable asset tree
port/ the Godot 4 project. Reads open formats ONLY
authored/ decisions that are NOT on the disc, each with its reason
data/
base/ generated by the exporter. Gitignored, never hand-edited
mods/ drop-in overrides. Yours
docs/
re/ the corpus: findings, refutations, method traps
game/ how the game is navigated -- menus, modals, flight
port/ the port's mission, its handoff contract, modding rules
agents/ how the agent team works together
tools/ capture harnesses, probes, the share tool
exchange/ transient inter-agent files. NOT in git
docker/ the agent containers
Where to start
docs/re/INDEX.md— what is decodeddocs/re/REFUTED.md— what has been tested and dieddocs/re/METHOD.md— traps this project has already paid fordocs/game/navigation.md— how the game is navigateddocs/port/MODDING.md— why the asset tree looks the way it does
Xenia Canary is a separate repository: it is a fork tracking upstream, and it carries our instrumentation.
Conventions
Confidence is per claim, never per document: ✅ CONFIRMED · 🟡 PROBABLE ·
❔ HYPOTHESIS · ❌ REFUTED. A withdrawn result is kept with its reasoning
rather than deleted — that is why the numbers here can be trusted.