Third-party components
Nothing here is proprietary. Everything is taken unmodified from upstream unless noted.
| Component | Used for | License | Source |
|---|---|---|---|
v86 (libv86.js, v86.wasm) 0.5.472 |
x86 PC emulator running the DOS machine, NE2000 NIC, DHCP/DNS responder | BSD-2-Clause | https://github.com/copy/v86 |
SeaBIOS and VGABIOS (inside assets.b64.js) |
BIOS of the emulated PC, as shipped with v86 | LGPL-3.0 / LGPL-2.1+ | https://github.com/copy/v86/tree/master/bios |
| FreeDOS 1.4 Floppy Edition (kernel, FreeCOM) | DOS on the boot floppy (dosllm.img inside assets.b64.js) |
GPL-2.0 | https://www.freedos.org/ |
Crynwr NE2000 packet driver 11.4.3 (NE2000.COM) |
DOS driver for the emulated NE2000 card | Crynwr "freely copyable; source must be available"; source: Crynwr packet drivers 11.x | http://www.georgpotthast.de/sioux/packet.htm , https://archive.org/details/PKTD11A_ZIP |
mTCP 2026-10-10 by Michael B. Brutman (DHCP.EXE, TCP/IP library) |
DHCP client (unmodified binary) and the TCP/IP stack linked into G.EXE | GPL-3.0-or-later | http://www.brutman.com/mTCP/ |
小貓中文 (XiaoMao Chinese) v1.0 by HelloSun (first version 2026-10-25), XIAOMAO.EXE, FONT.DAT, IME.DAT |
Big5 display and Zhuyin input in DOS. XIAOMAO.EXE is built from our v86-modified copy of its source (src/xiaomao/, 6 changed lines, see xiaomao-v86.patch); the data files are unmodified |
Copyright (C) 2026 HelloSun; GPL-3.0-only with the GPLv3 §7(b) additional term: the author attribution must be preserved (see third_party/xiaomao/LICENSE-xiaomao) |
https://huggingface.co/spaces/HelloSun/c_dos (upstream package third_party/xiaomao/xiaomao-dev.zip in dev/dosllm-dev.zip) |
GNU Unifont (inside FONT.DAT) |
16x16 Chinese glyphs | GPL-2.0-or-later with font embedding exception | https://unifoundry.com/unifont/ |
pypinyin, jieba, OpenCC data (inside IME.DAT) |
Zhuyin phrase dictionary | MIT / MIT / Apache-2.0 | PyPI |
HimemX (HIMEMX.EXE) |
XMS manager used by XiaoMao for the font | GPL / Artistic (see its readme) | https://github.com/FDOS/himemX |
| Open Watcom 1.9 | Compiler used to build G.EXE (not distributed) | Sybase Open Watcom Public License | https://openwatcom.org/ |
G.EXE is built from src/g.cpp and src/dosnet.h plus the mTCP library sources (TCPLIB/, TCPINC/ of the mTCP source archive,
shipped in dev/dosllm-dev.zip). src/build.sh shows the exact compiler options, src/make_image.sh assembles the boot floppy and
src/build_assets.py packs it into assets.b64.js.
The page sends the typed question over HTTPS to a third-party public Gradio Space (default tencent/Hy3) and prints its reply. That service has its own
terms; its replies are not our content. No credentials are used.