游戏/互动 Game / interactive demo demo 工具页 Tool
Simten NAND：在浏览器用 TypeScript 从门电路搭 CPU Simten NAND: build a CPU from gates in TypeScript in the browser
在浏览器用代码接线，从门电路搭起一台处理器。 Wire gates in the browser and build a processor up from them.
详细介绍Details
Show HN https://play.simten.dev/nand — Simten 的浏览器关卡：用 TypeScript HDL 接线，电路图随代码更新；站点称可导出 Verilog 上 FPGA。公开页写明桌面向（手机不适配）。 the site says you can export Verilog for FPGAs. The public page says it needs a desktop viewport.
适合学什么What to learn
- 游戏/互动 Game / interactive
可直接玩或操作的教学游戏与 WebGL 演示。 Teaching games and WebGL demos you can play in the browser.
- demo demo
该类型下收录的公开 HTML 页面。 Public HTML pages listed under this type.
- 工具页 Tool
在浏览器里生成 CSS/HTML 的小工具。 In-browser tools that generate CSS or HTML.
为什么推荐Why we recommend it FPGA / Verilog 导出为站点自述，本库未在硬件上复测。页面临时提示桌面向。 FPGA / Verilog export is the site’s claim and was not re-tested on hardware. The page notes a desktop viewport.
核验记录：来源、抓取与截图说明Verification log: sources, checks, and captures
公开页与 GitHub 均 HTTP 200（2026-09-24）。gh api：Apache-2.0、18★。Show HN item 49817114，核对 3pts。预览为 Playwright 实拍关卡页裁 3:2 WebP。 （item 49817114，2026-09-23 ~14:53Z，HN 核对 3pts） 仓库 simtenHQ/simten 于 2026-09-24 gh api：Apache-2.0、18★。 官网与仓库均 HTTP 200。 预览为 Playwright 实拍关卡页（含引导弹层）裁 3:2 WebP。Site and GitHub both HTTP 200 (2026-09-24). gh api: Apache-2.0, 18★. Show HN item 49817114, 3pts at check time. Preview is a Playwright level-page capture cropped to 3:2 WebP. (2026-09-23 ~14:53Z, 3pts on HN at check time) Show HN item 49817114 at https://play.simten.dev/nand — a Simten browser level where you wire circuits in a TypeScript HDL and the diagram updates as you type; Repo simtenHQ/simten on the 2026-09-24 gh api: Apache-2.0, 18★. Site and repo both HTTP 200. Preview is a Playwright capture of the level page (onboarding modal visible) cropped to 3:2 WebP.
