137 Open source projects that are alternatives of or similar to libasm

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

8086 Microprocessor Cheat sheet with Programs

A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator

retrohunblog

A .Net-based Cross-Assembler for Several 8-Bit Microprocessors

Awesome Lists of retrocomputing resources (6502, Apple 2, Atari, ...)

Apple ][ emulator for MS-DOS, written in 8088 assembly

zx spectrum 128 emulation on stm32f407 + Grant Searle's CP/M system port ili9341 16 bit display

Reference documents for z88dk

Sound driver for Sega Mega Drive

👾 A GameBoy Color Emulator written in JavaScript

Single header Z80 emulator for C++ (C++11 or later)

The MSX Red Book in Markdown format.

A tool to annotate Z80 assembler with cycle counts

A unit testing framework for Sinclair ZX Spectrum assembly

TMS9918A video card for RC2014

GORILLA.BAS port to CP/M in Turbo Modula-2. Supported terminals: VT52, VT100, ANSI, ADM-31, KayPro, C128, Memotech monochrome, CPC / Zenith Z19

L1 R1：WCH 24MHz MCS-51 USB MCU (CH552T/CH552P/CH552E/CH552G/CH551G)

Disassembled code of HiSoft C compiler for ZX Spectrum

An emulator for the Rygar arcade game

Z80/Z180/Z280 Macro Assembler for CP/M, UZI180 and RSX180

Interface for MSX to Connect and use Raspberry Pi resources

MSX assembly library

Portable CP/M emulation to run CP/M 2.2 binaries for Z80

Yet another 6502 emulator that one day dreams of being an Atari 2600.

A JSON parser written in 6502 assembly language.

Z80 / 8080 / Z180 assembler (for unix-style OS)

Highly portable Zilog Z80 CPU emulator written in ANSI C

Zany80 fantasy computer system

The original IBM PC and other machine emulations in JavaScript

AsMSX, originally developed by Pitpan. More info: https://www.msx.org/wiki/AsMSX.

Tool written in Z80 assembler to test the MSX hardware basics.

🕹 An emulator for the Pac-Man arcade machine (Zilog Z80 CPU) for Win/Mac/*nix and Xbox One.

An assembler, code formatter, language server and debug adapter for the MOS 6502 CPU.

SirCmpwn's assembler (and linker)

Collection of ZX Spectrum annotated game source code dissasemblies as .skool files

ZX Spectrum browser for forums and imageboards

SE Basic IV 4.2 Cordelia - A free BASIC interpreter written in Z80 assembly language

The first Z80 emulation library for Arduino

A simple text-based adventure game

A Game Boy Sound System player for macOS, written in Swift

Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles

Mike's Enhanced Small C Compiler for Z80 and CP/M.

Intel 8080/Zilog Z80 assembler written in D.

All you need to start programming 6510 assembler for the Commodore 64 on Microsoft Windows or Linux.

Integrated Development Environment for the 8-bit Nintendo Entertainment System

ZX Spectrum CPLD-based clone for rubber case

Nintendo Entertaiment System emulator and NSF/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)

Universal emulation platform and framework.

A cycle-accurate, cross-platform NES emulator written in C++

All CPU and MCU documentation in one place

A Javascript NES Emulator

Classic ZX Spectrum game "The Great Escape" reverse engineered

Emulate 6502-based microcomputer systems in Python

KiCad schematics and gerbers for a YM sound card for the RC2014. See it in action here: https://www.youtube.com/watch?v=-iLwi9FagFE

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

A Z80 core written in Java

Forth cross-compiler targeting 6502 processors.

JETPAC: annotated source code disassembly of this classic 8-bit game (1983, ZX Spectrum)

Bootstrap post-collapse technology