docs(re): adopt the homeless disc-contents page, re-measured #56
@@ -5,7 +5,8 @@ Confidence: ✅ `CONFIRMED` · 🟡 `PROBABLE` · ❔ `HYPOTHESIS`. See [README]
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Also durable, and worth reading before proposing anything:
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[`REFUTED.md`](REFUTED.md) — what has already been tested and died ·
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[`METHOD.md`](METHOD.md) — the traps this corpus has already paid for ·
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[`BACKLOG.md`](BACKLOG.md) — what is still open.
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[`BACKLOG.md`](BACKLOG.md) — what is still open ·
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[`disc-contents.md`](disc-contents.md) — what files the disc actually holds, and where.
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Formats we've already reversed are, for now, **documented by their parser + disc round-trip
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tests** (the executable spec) rather than a prose file — the "Spec" column points there.
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@@ -72,6 +73,7 @@ files, which is how the same ground got covered twice.
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| [`autopilot-memory-driven.md`](autopilot-memory-driven.md) | Memory-driven autopilot — build log and current state | 🟢 IT FLIES, KILLS AND SURVIVES — but it loses the mission anyway. |
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| [`canary-scripted-input-traps.md`](canary-scripted-input-traps.md) | Getting past the title screen in the container — three traps and one blocker | ✅ CONFIRMED for the three traps (each reproduced, and two of them |
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| [`challenge-mission-gate.md`](challenge-mission-gate.md) | Challenge / EX missions — the stage set, the GamePart graph, and the kind field | ✅ for the static structure (stage set, GamePart ids, the config-section |
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| [`disc-contents.md`](disc-contents.md) | What is actually on the disc, and where | ✅ CONFIRMED — layout, counts and `media_id` re-measured against the retail extract 2026-09-18; `resource3d/` is in `hidden/`, not `dat/` |
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| [`dynamic-re-state-restore.md`](dynamic-re-state-restore.md) | The container's dynamic-RE state is not durable — how to rebuild it | ✅ CONFIRMED by rebuilding it (2026-08-23). Everything the dynamic |
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| [`flight-controls-runtime.md`](flight-controls-runtime.md) | In-flight control mapping — measured, not assumed | ✅ for the weapon bindings (ammo counters move), 🟡 for the rest (HUD |
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| [`flight-speed-law.md`](flight-speed-law.md) | The throttle is a TARGET-SPEED selector — measured against the definition (2026-08-13) | ✅ for the shape of the law, 🟡 for the unit scale. |
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104
docs/re/disc-contents.md
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104
docs/re/disc-contents.md
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@@ -0,0 +1,104 @@
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# What is actually on the disc, and where
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**Status:** ✅ `CONFIRMED` for the layout and the counts — every figure below was
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re-measured against the retail extract on 2026-09-18, not copied from the source
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document. ✅ `CONFIRMED` for `media_id`, read from the XEX header.
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This page exists because the corpus never had one: it documents formats in depth
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(see [INDEX](INDEX.md)) but nowhere said **what files the disc holds and where they sit**.
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It is adopted from a pre-RE-era `GAME_CONTENTS.md` that lived homeless in the workspace
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root through the repository consolidation. **Only the measured parts were carried over** —
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see [What was dropped](#what-was-dropped-and-why) at the end, which matters more than the
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rest of the page.
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Extracted from the XISO image with [extract-xiso](https://github.com/XboxDev/extract-xiso).
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---
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## Identity
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| Field | Value | Source |
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|---|---|---|
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| `media_id` | `0x2D2E2EEB` | XEX `execution_info`, via `.xex.json` |
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| `title_id` | `0x53512D14` (`"SQ"` + `0x2D14`) | XEX `execution_info` |
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| `disc_number` / `disc_count` | 1 / 1 | XEX `execution_info` |
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---
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## Top-level layout
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```
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<extract root>/
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├── default.xex ← the game executable (XEX2, PowerPC BE)
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├── config.ini ← language table (Shift-JIS comments)
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├── $SystemUpdate/ ← su20076000_00000000 (dashboard update, not game data)
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├── dat/ ← 71 entries
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└── hidden/ ← 5 entries
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```
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⚠️ **`resource3d/` is in `hidden/`, not in `dat/`.** So are `DefTables` and `MiscBin`.
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The source document placed all three under `dat/`; that is wrong, and it is the reason
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this page re-measured rather than transcribed. `SYLPHEED_RES3D` points at
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`hidden/resource3d` for exactly this reason.
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### `dat/` — 71 entries
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| Group | Count | Note |
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|---|---|---|
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| `*.pak` + `*.p00` pairs | 33 + 33 | the IPFB archives — format ✅ decoded, see [INDEX](INDEX.md) |
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| `sound.pak` + `sound.p00`–`.p04` | 6 | one archive whose payload is split across five chunks |
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| `movie/` | 109 entries | |
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`dat/movie/` holds **97 `.wmv`** files plus **six language packs** as `.pak`/`.p00`
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pairs (`deu eng esp fra ita jpn`). ⚠️ Those packs carry **subtitles and fonts, not voice** —
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all voice and SFX live in `sound.pak`. That trap is recorded separately; do not go looking
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for dialogue audio in the movie directory.
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### `hidden/` — 5 entries
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| Entry | Size | Note |
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|---|---|---|
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| `resource3d/` | 166 files | `.xpr` texture/model containers (`Base.xpr`, `BG_*.xpr`, stage and ship sets) |
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| `DefTables.pak` / `.p00` | 17 596 B / 3 058 037 B | balance and definition tables |
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| `MiscBin.pak` / `.p00` | 496 B / 22 553 238 B | |
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---
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## `config.ini`
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Plain-text INI, **Shift-JIS** comments (they render as mojibake in a UTF-8 reader — the
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file is not corrupt). `[SYSTEM]` is present but empty; `[LANGUAGE]` maps the Xbox 360
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locale constants onto the disc's three-letter directory names, with `eng` as the default:
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```ini
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[LANGUAGE]
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= eng ; default
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#0x01 = eng ; XC_LANGUAGE_ENGLISH
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#0x02 = jpn ; XC_LANGUAGE_JAPANESE
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#0x03 = deu ; XC_LANGUAGE_GERMAN
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```
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Those keys are why the six-language pack naming above is what it is.
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---
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## What was dropped, and why
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The source document was written **before** the formats were reversed, and roughly half of
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it was speculation phrased as status. Carrying that forward would have put claims into the
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corpus that the corpus itself has already refuted — the precise failure mode
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[README](README.md) warns about ("a wrong-but-confident note is worse than no note").
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Dropped:
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- **A "Known File Formats" status table** marking `dat/*.pak` as *"⏳ Unknown — magic bytes
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TBD"*, and `.XWB`/`.XSB` as *"⏳ TODO"*. The `.pak` container is ✅ decoded disc-wide.
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[INDEX](INDEX.md) is the authority on format status; a second table would only drift.
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- **A "PAK Archive Structure (TBD)" section** guessing each archive's contents from its
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name ("`GP_BUNK.pak` — likely barracks/crew quarters UI"). Those are guesses, and the
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real contents are known.
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- **An "RE Entry Points" section** recommending loading `default.xex` into Ghidra to find
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the loaders. Static analysis now goes through `sylpheed.db` (see the workspace
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`CLAUDE.md` and `/sylph-dis`).
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Nothing measured was dropped. The layout, the counts, the identity fields and the language
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table are all re-verified above.
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