Top 20 zx-spectrum Open-Source Projects

• CLK

  22 897 9.9 C++

  A latency-hating emulator of: the Acorn Electron and Archimedes, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1/2, Oric 1/Atmos, early PC compatibles, Sega Master System, Sinclair ZX80/81 and ZX Spectrum.

Project mention: Bit random but does anyone know how possible it is to get this look within Stella? [Pallete/TV Effects]. | /r/AtariEmulation | 2023-06-06

Not Stella, but the Clock Signal emulator does a great job of emulating the TV effects. The 2600 emulation isn't quite as good as Stella, though.

• lzsa

  2 229 2.1 C

  Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros

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• zesarux

  7 222 9.9 C

  ZEsarUX - ZX Second-Emulator And Released for UniX

• zx-sizif-512

  3 157 6.2 KiCad Layout

  ZX Spectrum CPLD-based clone for rubber case

• skoolkit

  1 130 9.5 Python

  A suite of tools for creating disassemblies of ZX Spectrum games.

Project mention: The New ROM Antics – Building the ZX Spectrum 128 | news.ycombinator.com | 2024-02-03

For those curious about what the original Spectrum ROM looked like: https://skoolkit.ca/disassemblies/rom/maps/all.html

(The tool used to generate this, https://github.com/skoolkid/skoolkit, is absolutely amazing and still sees regular updates)

• apultra

  1 98 3.3 C

  Free open-source compressor for apLib with 5-7% better ratios

• lighthouse-of-doom

  4 88 7.8 C

  A simple text-based adventure game

Project mention: Show HN: An adventure game in Z80 assembly for CP/M and ZX Spectrum | news.ycombinator.com | 2024-03-29

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• jsmoo

  31 70 7.1 JavaScript

  Multi-system, pure JavaScript (& a little AssemblyScript) emulator, with great accuracy and speed. Currently some SNES, NES, GameBoy, Master System, ZX Spectrum, and GameGear support

Project mention: Best compiler to write .nes cartridge ROMs for testing my own emulator? | /r/EmuDev | 2023-12-06

If you really want to use it, I have a bad 65816 assembler at https://github.com/raddad772/jsmoo/blob/main/component/cpu/wdc65816/wdc65816_assembler.js . Just don’t switch it to 65816 mode and it should produce compatible code. I wrote it as a pile of hacks on top of each other and you still need to add an iNES header.

• salvador

  1 58 2.9 C

  A free, open-source compressor for the ZX0 format

• channels

  1 53 0.0 C

  ZX Spectrum browser for forums and imageboards (by the-channels)

  

• zxtap-to-wav

  2 47 5.4 Go

  Converter of .TAP files (a ZX-Spectrum emulator data format) into .WAV sound files

• avr-ay-board

  1 36 10.0 Assembly

  The replacement board for the AY-3-8910/AY-3-8912/YM2149F sound chip. Compatible with https://www.avray.ru project firmware.

• zenv

  1 29 4.1 Assembly

  Forth for the ZX Spectrum (by Veltas)

Project mention: Zenv: Forth for the ZX Spectrum | news.ycombinator.com | 2024-03-17

• spectrum-desolate

  2 23 1.8 Assembly

  🕹️ Ported Desolate game from TI-83 Plus to ZX Spectrum

• solo-forth

  1 20 3.9 Forth

  Standard Forth system for ZX Spectrum 128 and compatible computers, with disk drives.

Project mention: Zenv: Forth for the ZX Spectrum | news.ycombinator.com | 2024-03-17

I can only compare it with Abersoft Forth on ZX Spectrum. While I admire the Forth implementation in Jupiter Ace a lot, it lacks a lot of basic words. Users can often find them implemented in the manual, but they are not immediately available. 8kB ROM is really on the edge of usability. Jupiter Ace Forth uses an unusual approach to code editing based on decompilation instead of screens, which is closer to how Basic worked. Abersoft Forth was much faster and had better graphics support.

The modern Solo Forth is worth mentioning too: https://github.com/programandala-net/solo-forth?tab=readme-o...

• rage1

  1 18 9.5 Assembly

  RAGE1: Retro Adventure Game Engine, release 1

• ChaseHQ

  1 16 8.9 Visual Basic 6.0

  Disassembling Chase H.Q. for the ZX Spectrum

• Bootyful-Demake

  1 7 2.7 Lua

  Pico-8 Demake Of 8-Bit Game

• Hex

  2 3 6.6 Assembly

  Hex game for ZX Spectrum (by Antonio-Luque)

• zmakebas

  1 3 5.0 C

  A Spectrum BASIC tokenizer (text file → .TAP/.P) [Public domain]

• SaaSHub

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zx-spectrum related posts

• Retrospex: Convert images to fit Commodore 64 graphic modes

  3 projects | news.ycombinator.com | 17 May 2024

• Zenv: Forth for the ZX Spectrum

  2 projects | news.ycombinator.com | 17 Mar 2024

• Convert .tap file to .wav to record onto cassette.

  1 project | /r/zxspectrum | 11 Apr 2023

• Fuzix OS: Unix for the Z80 and 680x

  1 project | news.ycombinator.com | 3 Mar 2023

• Why does the Commodore C128 perform poorly when running CP/M?

  1 project | news.ycombinator.com | 9 Dec 2022

• Emulator with proper vsync & fullscreen?

  2 projects | /r/zxspectrum | 13 Nov 2021

• Compile C Code for the ZX Spectrum

  1 project | /r/zxspectrum | 14 Oct 2021
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