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DOS4GW.EXE is a 32-bit DOS extender that ships with many DOS games (DOOM, Fallout, Duke Nukem 3D, etc.). The findMainExe algorithm was picking it as the main executable because it's typically large and at the ZIP root, causing the autoexec to run 'DOS4GW' with no arguments → 'DOS/4GW fatal error (1004): syntax is DOS/4GW <executable.xxx>' Added SKIP_EXE_NAMES set with known DOS extenders, DPMI hosts, debuggers, memory managers, and uninstallers.
Dostalgia
A nostalgic DOS game hub. Upload your old DOS games, scrape artwork, and play them directly in the browser via js-dos (WebAssembly DOSBox).
Quick Start
# Build and run with Docker
docker build -t dostalgia .
docker run -p 8765:8765 -v $(pwd)/data:/data dostalgia
Development (without Docker)
Terminal 1 — Frontend dev server:
cd frontend && npm install && npm run dev
Terminal 2 — Quarkus dev server:
mvn quarkus:dev
Open http://localhost:5173 (Vite proxies API calls to Quarkus on port 8765)
Production build (local)
cd frontend && npm install && npm run build
mvn package -DskipTests
java -jar target/quarkus-app/quarkus-run.jar
Architecture
- Backend: Quarkus (Java 21, JAX-RS) — ~5 REST resource classes, zero database
- Frontend: Svelte 5 SPA with hash-based routing
- Emulation: js-dos v8 loaded from CDN, runs DOSBox in WebAssembly
- Storage: JSON-per-game under
/data/games/{id}/game.json
API
| Method | Path | Description |
|---|---|---|
| GET | /api/games |
List all games |
| GET | /api/games/:id |
Get game details |
| PATCH | /api/games/:id |
Update game metadata |
| DELETE | /api/games/:id |
Delete a game |
| POST | /api/upload |
Upload a game ZIP (multipart) |
| POST | /api/games/:id/cover |
Upload cover art |
| GET | /api/igdb/search?q= |
Search IGDB (placeholder) |
Game JSON Schema
{
"id": "doom",
"title": "Doom",
"year": 1993,
"genre": "FPS",
"developer": "id Software",
"bundle_file": "doom.jsdos",
"has_cover": true,
"ready": true
}