JSSpeccy 3

6.1easy start · #20 of 21
in ZX Spectrum Emulators

Runs on self-hosted, Web.

JSSpeccy 3 is ranked #20 of 21 in ZX spectrum emulators on The Geeks Club. It runs on Self-hosted, Web.

Compared on ZX spectrum emulators

Klive IDE 0 of 4 in the starter kit Lesson 17.2 CSpect 0 of 4 in the starter kit Lesson 27.1 GoSpeccy 0 of 4 in the starter kit Lesson 37.1 GZX 0 of 4 in the starter kit Lesson 47.1 JNEXT 0 of 4 in the starter kit Lesson 57.1 Unreal Speccy Portable 0 of 4 in the starter kit Lesson 67.0

Purpose: JSSpeccy 3 is a ZX Spectrum emulator that runs in a browser.
Emulated machines: It emulates the Spectrum 48K, Spectrum 128K and Pentagon machines.
Processor emulation: It handles documented and undocumented Z80 instructions.
Display accuracy: It provides cycle-accurate emulation of scanline and multicolour effects.
Audio: It supports AY and beeper audio.
Supported files: It loads SZX, Z80 and SNA snapshots, plus TZX and TAP tape images via traps, and can load these formats from ZIP files.
Display modes: It offers 100%, 200%, 300% and fullscreen display modes.
Implementation: The emulator runs in a Web Worker, with its core compiled to WebAssembly from AssemblyScript.
Embedding: The project is designed to be embedded in websites using its JavaScript file and a page element for the emulator.
Remote file loading: Loading files from another domain requires that domain to serve CORS headers.
License: JSSpeccy 3 is licensed under GPL version 3.
Support: The maker describes it as a personal project and makes no commitment to provide technical support or assistance.
Supported machines: It emulates the Spectrum 48K, Spectrum 128K and Pentagon machines.
Display: It provides cycle-accurate scanline and multicolour effects, with 100%, 200%, 300% and fullscreen display modes.

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.