131 lines
6.9 KiB
Markdown
131 lines
6.9 KiB
Markdown
# DATA1 Script Inventory — 481 `.BIN` files
|
||
|
||
All scripts share the magic header `SYS4422 ` (8 bytes), confirming a uniform SYS4
|
||
bytecode format (engine version 4.4.2.2) across the entire set. Header is followed
|
||
by what appear to be little-endian u32 fields (version/section table — to be mapped
|
||
during disassembler work).
|
||
|
||
Source: `extracted\DATA1\` (extracted from `DATA1.ALF`).
|
||
|
||
**Patch overrides (runtime re-counted 2026-07-11):** 49 loose `.BIN` scripts sit in the game root and
|
||
shadow DATA1 counterparts at runtime (sizes differ slightly — e.g. `FIELD.BIN` root 200,536 vs archive
|
||
200,224). These v1.03 / append-patch versions are **authoritative**. Two additional engine BINs exist only
|
||
in the root: `SYS4INI.BIN` (272 KB) and `SYS4AB.BIN` (1.08 MB), for 51 root BINs total. The earlier count of
|
||
52 shadowing scripts conflated this inventory and was not reproducible; VFS-A enumerates and byte-checks all
|
||
49 real catalog/name intersections.
|
||
|
||
---
|
||
|
||
## Breakdown by series
|
||
|
||
| Series | Count | Total size | Role (inferred) |
|
||
|---|---|---|---|
|
||
| `SC####` | 136 | 15.6 MB | Scenario/event scripts (numbered 0000–1690, step 10) |
|
||
| `SP####` | 163 | 10.6 MB | Secondary scene series (0010–1369; incl. `SP0051A/B` split) — likely character/H-events |
|
||
| Named scripts | 175 | ~7.5 MB | Engine subsystems, data tables, UI, battle logic |
|
||
| `DEBUG*` | 5 | 1.4 MB | Debug tools (`DEBUGADV.BIN` alone is 1.4 MB — a scene viewer/jump menu) |
|
||
| `RTN_M###` / `RTN_B###` | 26 | ~70 KB | Small routine scripts (map routines M001–M061, battle routines B001–B004) |
|
||
|
||
### SC series notes
|
||
- Numbered `SC0000`–`SC0880` (main chapters, largest files — up to 700 KB) and
|
||
`SC1000`–`SC1690` (smaller; likely sub-events, endings, appendix content).
|
||
- `SCJUMP.BIN` (778 KB) is almost certainly the master scene-dispatch/jump table.
|
||
- `SCINIT.BIN` (88 KB) initializes scenario state.
|
||
|
||
---
|
||
|
||
## Named scripts by subsystem (inferred from names)
|
||
|
||
### Engine core / boot flow
|
||
`SYSTEM4.BIN` (config root), `INIT.BIN` (64 bytes — smallest script, ideal first
|
||
disassembly target), `INITCONFIG`, `LOADCONFIG`, `CONFIG`, `TUNE`, `LOGO`, `OP`,
|
||
`ED`, `TITLE`, `GAMESTART`, `GAMECLEAR`, `STAGECLEAR`
|
||
|
||
### Data-table INIT scripts (likely static game data, not logic)
|
||
Large, table-like scripts — prime candidates for data extraction:
|
||
- `STINIT` (579 KB) — stages/scenario tables
|
||
- `EBINIT` (338 KB) — enemy battle data
|
||
- `MPINIT` (330 KB) — maps
|
||
- `SCINIT` (88 KB), `CGINIT` (79 KB — CG gallery), `ITINIT` (70 KB — items),
|
||
`RTINIT` (67 KB), `CCINIT` (41 KB), `SKINIT` (37 KB — skills), `CDINIT` (31 KB),
|
||
`BTANINIT` (105 KB — battle animations)
|
||
- Smaller: `AFINIT`, `ALINIT`, `CIINIT`, `CNINIT`, `CTINIT`, `CVINIT`, `ILINIT`,
|
||
`LAINIT`, `MAINIT`, `OBINIT`, `SPINIT`, `TRINIT`, `VIINIT`
|
||
|
||
### Message/string tables (`*MES`)
|
||
`ITMES` (64 KB — item text), `VIMES` (43 KB), `EIMES` (37 KB), `SKMES` (31 KB — skill
|
||
text), `CIMES` (15 KB), `MAMES`, `INFOMES`, `MES` — where most translatable text
|
||
outside scenes lives.
|
||
|
||
### Battle system
|
||
`BTL` (61 KB — main battle loop), `BTRTN`, `ROUND`, `AIM`, `ATSEEK`, `MVSEEK`,
|
||
`MVRTN`, `MAGIC`, `USEMAGIC`, `SUMMON`, `EXILE`, `DISARM`, `RECOVER`, `COUNTUNIT`,
|
||
`SETOCC`, and the `CALC*` family: `CALCBTPARAM`, `CALCDMG` (16 KB — damage formula!),
|
||
`CALCSCOPE`, `CALCOCC`, `CALCREVISE`, `CALCCC`, `CALCILL`, `CALCARR`
|
||
|
||
### Dungeon/map engine
|
||
`FIELD` (200 KB — the core dungeon-crawl loop), `DRAWMAP`, `RENDERMAP`,
|
||
`DRAWMINIMAP`, `DRAWCH`/`DRAWCHP`/`DRAWENP`/`DRAWOBJ`/`DRAWTIP`/`DRAWVOL`,
|
||
`SETCH`/`SETEN`/`SETLAND`/`SETOBJ`/`SETROUTE`/`SETMVWORK`,
|
||
`DELCH`/`DELEN`/`DELENMASS`/`DELLAND`, `RESETLAND`, `WARPU`/`WARPD`, `LOOK`,
|
||
`READICON`
|
||
|
||
### Unit/party management
|
||
`ADDEXP`, `ADDSKILL`, `ADDEN`, `ADDITEM`, `ADDRANDOMITEM`, `LOSTRANDOMITEM`,
|
||
`ADDILL`/`ADDILLSUB`, `EVOLVE`, `IMPROVE` (37 KB), `TRAIN`, `STUDY`, `UNITECH`,
|
||
`REMOVECH`, `SHOWGROW`, `STATUS`, `USEITEM`, `SETCH`
|
||
|
||
### Base/facility gameplay
|
||
`CAMP`, `ROOM`, `FORT`, `ALCHEMY` (40 KB), `SALLY` (40 KB — sortie/deployment),
|
||
`READY` (39 KB — pre-battle prep), `SELSTAGE` (34 KB), `SELACT` (30 KB)
|
||
|
||
### Menus / UI / meta
|
||
`MENU`, `CHMENU` (69 KB — character menu), `INFO`/`INFOAF`/`INFOCH`/`INFOEN`/
|
||
`INFOIT`/`INFOVO` (info panels: characters, enemies, items, voices), `SAVE` (40 KB),
|
||
`HISTORY`, `HIDEWIN`, `CLOSE`, `INPUTNAME` (28 KB), `CGMODE` (24 KB — gallery),
|
||
`MMODE` (music mode), `HMODE` (22 KB — scene replay)
|
||
|
||
### Flow control / branching
|
||
`BUNKI` (分岐 = branch, 15 KB), `SBUNKI`, `BUNKIMOVE`, `SBUNKIMOVE`, `SCJUMP`
|
||
|
||
### Callbacks (engine → script hooks)
|
||
`CALLBACK_LOAD`, `CALLBACK_LOST`, `CALLBACK_SETTING`, `CALLBACK_WINDOW`
|
||
|
||
### Debug
|
||
`DEBUG`, `DEBUGADV` (1.4 MB), `DEBUGANIME`, `DEBUGBTL`, `DEBUGMAP` (+2 numbered)
|
||
|
||
---
|
||
|
||
## Call graph — scripts are addressable by `call-script <id>` (2026-07-07)
|
||
|
||
`call-script <id>` (opcode 0x03) loads another script by a **raw index into the SYS4INI file table**
|
||
(id = the entry's `raw_index` = its global position in SYS4INI). This is the resolved call-graph
|
||
registry — there is no separate id→code table; SYS4INI is it. Mechanism: `engine-re.md` (op 0x03
|
||
section); the runtime source is `Sys4AssetCatalog` over SYS4INI, while the mechanically generated
|
||
`build/callscript-names.json` feeds `sys4load` diagnostics. The regenerated `build/disasm/*.asm` corpus renders targets by name
|
||
(`call-script 0x1ab =ADDITEM.BIN`). **297 distinct scripts are called** across the corpus (3002 sites);
|
||
the hottest are `HISTORY` (backlog), `MENU`, `HIDEWIN`, `BUNKI` (branch), `MES` (message), `ADDITEM`,
|
||
`ADDEN`, `LOOK`, `RENDERMAP`. Scenes (`SCxxxx.BIN`) load through the *same* id-indexed loader.
|
||
|
||
**Living-reference decision:** no separate generated markdown call-script reference is kept. Unlike
|
||
`opcode-reference.md` / `global-reference.md` (rendered from *curated* knowledge bases), the id→name
|
||
mapping is purely mechanical (SYS4INI index → filename) with no semantics to curate — it already lives
|
||
in the build artifact and in the named disasm corpus. Full call-graph edges (caller→callee counts) are
|
||
derivable on demand from the corpus; materialize a doc only if a consumer needs it.
|
||
|
||
---
|
||
|
||
## Implications for the port
|
||
|
||
1. **Much more game logic lives in bytecode than expected.** Damage formulas
|
||
(`CALCDMG`), the dungeon loop (`FIELD`), battle flow (`BTL`, `ROUND`), and unit
|
||
progression (`ADDEXP`, `EVOLVE`) are all scripts — `AGE.EXE` is closer to a pure
|
||
VM/renderer. This strengthens the case for **re-implementing the AGE VM in Godot**
|
||
rather than transpiling every script by hand (the doc's open question #12).
|
||
2. **Disassembler bootstrapping order** (small → large, system → scene):
|
||
`INIT.BIN` (64 B) → `ED.BIN`/`OP.BIN`/`LOGO.BIN` (~230 B) → `CALLBACK_LOST`
|
||
(176 B) → `MENU.BIN` (3 KB) → `CALCDMG` → a mid-size `SC####`.
|
||
3. **The `*INIT` giants are likely data tables**, decodable early even with a
|
||
partial opcode map — instant win for extracting item/skill/enemy/stage databases.
|
||
4. **Use root-directory overrides, not archive copies**, for the 49 archive-backed patched scripts.
|