eac80677f4
ui-resting-pose.md built its dwell-fallback section on GP_TITLE build 7's ptlogo_eff3.t32, listing keyframes [46, 61, 103, -] -- the STALE PARSER's output. Corrected they are [0, 46, 61, 103], the longest gap moves from 61->103 to 0->46, and BOTH ends of the new longest gap are a=0. The element no longer selects a visible pose under either indexing, and build 7 renders byte-identical under the corrected and legacy readings (0 px differ). MISSION lists this element as the one case a Japanese capture was needed to discriminate; it is not. But losing an example is not closing a question, so: disc-wide census. The fallback fires on 2 305 of 13 991 elements and returns a VISIBLE pose in 1 697 of them -- 74 %. GP_TITLE is 5 fires, 4 visible, and all four are on the SPLASH screens: palogo_sqex_eff and palogo_anima_eff, each [0:a0 15:a255 30:a212 45:a0], a flash peaking at 15 and dead by 45 where the fallback returns t=30 a=212. Independently converged on from the other side: the port, working from the JP capture and knowing nothing of this census, found ptlogo_back2eff1's rest.t at the peak of its own 4-unit sparkle with six staggered across the logo, so --pose=rest fires every sparkle at once -- a frame the game never shows. Consequence recorded as a rule: a render posed at rest is a legitimate common reference for comparing two DECODERS and is not a frame to score against a capture of the game. 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.