Search Results for "assembly"
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Showing 2914 open source projects for "assembly"
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Assembly programming
Learning assembly for Linux x86_64
Assembly programming is an educational repository that introduces assembly programming for the x86-64 architecture on GNU Linux systems. The project is structured as a series of explanatory blog-style lessons that guide readers through the fundamentals of low-level programming. Topics include processor architecture basics, writing and building assembly programs, memory layout concepts such as stack and heap, and interaction with the operating system through system calls. ... -
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ILSpy
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata
ILSpy is the open-source .NET assembly browser and decompiler. Visual Studio 2022 ships with decompilation support for F12 enabled by default (using our engine v7.1). In Visual Studio 2019, you have to manually enable F12 support. Go to Tools / Options / Text Editor / C# / Advanced and check Enable navigation to decompiled source. C# for Visual Studio Code ships with decompilation support as well. -
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SASM
Simple crossplatform IDE for NASM, MASM, GAS and FASM languages
SASM (SimpleASM), simple Open Source crossplatform IDE for NASM, MASM, GAS, FASM assembly languages. SASM has syntax highlighting and debugger. The program works out of the box and is great for beginners to learn assembly language. SASM is translated into Russian, English, Turkish, Chinese, German, Italian, Polish, Hebrew, Spanish. In SASM you can easily develop and execute programs, written in NASM, MASM, GAS or FASM assembly languages. -
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pydna
Clone with Python! Data structures for double stranded DNA
Clone with Python! Data structures for double stranded DNA & simulation of homologous recombination, Gibson assembly, cut & paste cloning. Planning genetic constructs with many parts and assembly steps, such as recombinant metabolic pathways, are often difficult to properly document as is evident from the poor state of documentation in the scientific literature. The pydna python package provide a human-readable formal description of cloning and genetic assembly strategies in Python which allow for simulation and verification. ... -
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Microsoft BASIC for 6502 Microprocessor
Microsoft BASIC for 6502 Microprocessor
Microsoft BASIC for 6502 is the original assembly-language source code for Microsoft’s BASIC interpreter version 1.1, written for the MOS Technology 6502 8-bit microprocessor back in the late 1970s. It was used on pioneering personal computers (such as the Apple II, Commodore PET, etc.), enabling users to write and run programs in BASIC on those systems. The repo contains the full source (in 6502 assembly), with support for multiple hardware platforms via conditionals, includes floating-point arithmetic, string handling, arrays, math functions, I/O, etc. ... -
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NASM
A cross-platform x86 assembler with an Intel-like syntax
...It is designed to support a wide variety of output formats, making it suitable for different operating systems and development environments. NASM is known for its simplicity and clarity, allowing developers to write assembly code that is both readable and efficient. It is commonly used in system programming, operating system development, and performance-critical applications where direct hardware control is required. The assembler is highly portable and can be used across multiple platforms, making it a standard tool in many low-level programming workflows. ... -
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os-tutorial
How to create an OS from scratch
...The repository provides step-by-step lessons starting with bootloaders and moving through kernel development, interrupts, memory management, and system calls. Each tutorial is accompanied by clear explanations, code examples, and references to deepen understanding. The project uses x86 assembly and C to illustrate concepts, making it accessible to students and hobbyists interested in low-level programming. By compiling and running the examples with tools like QEMU, learners gain hands-on experience with OS fundamentals. With its structured lessons and approachable explanations, the repository has become a widely recommended resource for operating system beginners. -
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Apollo-11
Original Apollo 11 Guidance Computer (AGC) source code
Apollo-11 hosts the original Apollo 11 Guidance Computer (AGC) source code for the Command Module and Lunar Module, faithfully transcribed from historical listings. It is written in AGC assembly and reflects 1960s software engineering practices, complete with comments from the original programmers. The code is both a cultural artifact and a technical reference, illustrating how limited memory and processor constraints shaped algorithms and system design. Developers can examine navigation routines, guidance logic, and task scheduling in an environment with no luxury features—everything is explicit and resource-aware. ... -
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riscv-isa-manual
RISC-V Instruction Set Manual
This repository contains the source files for the official RISC‑V Instruction Set Manual, including the Privileged RISC‑V Manual in LaTeX and the Unprivileged Manual in AsciiDoc. It tracks formal ratified versions of the ISA maintained by RISC‑V International and hosts build workflows for releasing updated ISA documents. -
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Cemu Graphic Packs
Community Graphic Packs for Cemu
Use Cemu's built-in graphic packs downloader (a feature added in Cemu 1.15.1) to automatically retrieve the newest graphic packs from our repository. Remove all of your graphic packs first, then move all of the folders from a downloaded .zip below to the graphicPacks folder from your Cemu folder. Choose one of the 3 downloads from above. Each download has a range of versions it supports, pick the one that’s supported by your downloaded Cemu version. Some graphic packs might not be available... -
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raycaster
A bare metal raycaster, boots from a floppy image
A bare metal raycaster, boots from a floppy image. -
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Pygame
Set of Python modules designed for writing video games
Pygame is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. Like SDL, pygame is highly portable and runs on nearly every platform and operating system. -
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Retrobios
Complete BIOS and firmware packs for RetroArch, Batocera, Recalbox
...It emphasizes simplicity and transparency, allowing developers to study and modify core boot processes at a granular level. The architecture is typically close to bare metal, requiring knowledge of assembly language and hardware interfaces. It may also serve as a foundation for building custom operating systems or experimenting with low-level system design. Overall, retrobios functions as a learning and experimentation platform for understanding foundational computing concepts. -
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rav1e
The fastest and safest AV1 encoder
rav1e is an open-source implementation of an encoder for the AV1 video codec, developed in Rust (with some assembly) by the community around Xiph Foundation. Its design philosophy is to start from a correct, minimal, and fast AV1 encoder — sacrificing some encoding speed/efficiency of reference encoders in exchange for simplicity, stability, and compilability across platforms — and then gradually improve. This makes rav1e particularly attractive for scenarios where you need AV1 encoding but care about build-time, portability, and maintenance overhead, or where the full-featured reference encoder might be prohibitively slow. ... -
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Glow OS
System Analysis Software
Glow is an educational, hobbyist operating system written in C and Assembly, developed to help learners understand the internals of OS design and kernel development. Targeting x86_64 systems, Glow features its own kernel, bootloader, and minimal userland. With clear code structure and a simple design, it serves as a playground for experimenting with low-level systems programming, boot sequences, interrupt handling, and basic UI components like shells and text rendering. -
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Smaller C
Simple C compiler
Smaller C is a simple and small single-pass C compiler, currently supporting most of the C language common between C89/ANSI C and C99 (minus some C89 and plus some C99 features). Currently, it generates 16-bit and 32-bit 80386+ assembly code for NASM that can then be assembled and linked into DOS, Windows, Linux and Mac OS X programs. (You may use YASM or FASM instead of NASM) Code generation for MIPS CPUs is also supported (primarily for RetroBSD). The compiler is capable of compiling itself. The core compiler comes with a preprocessor (ucpp), a linker, and a compiler driver (the driver invokes the preprocessor, the core compiler, the assembler, and the linker and supports options similar to those of gcc). -
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OpenKore
A free/open source client and automation tool for Ragnarok Online
OpenKore is a free and open source automation tool and custom client for the online game Ragnarok Online. It provides a flexible scripting system that allows users to automate gameplay, including navigation, combat, trading, and interaction with other players. The project supports plugins and modular extensions, enabling customization for different servers and play styles. OpenKore is cross-platform, running on Windows, Linux, and macOS, and is written primarily in Perl. With a strong... -
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Paper Mario
Decompilation of Paper Mario (Nintendo 64)
...The project focuses on producing code that matches the original binary exactly, enabling a deeper understanding of how the game was built. It provides tools, scripts, and documentation to analyze game behavior and structure. Contributors work collaboratively to translate assembly code into readable C while maintaining functional accuracy. The project supports building ROMs for different regional versions of the game. It is widely used as a reference for learning reverse engineering techniques in game development. Overall, it serves as both a preservation effort and an educational resource. -
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Kotlin Explorer
Desktop tool to quickly explore disassembled Kotlin code
...After launching Kotlin Explorer, type valid Kotlin code in the left pane, then click File > Decompile or use Cmd-Shift-D on macOS, Ctrl-Shift-D on Linux and Windows. The middle pane will show the Android DEX bytecode, and the right panel the native assembly resulting from ahead of time compilation (AOT). -
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spleen
Monospaced bitmap fonts
Spleen started as a personal challenge. Patrick Wildt (patrick@) recently imported ssdfb(4), a driver for small OLED displays in OpenBSD and needed a 5x8 font to be able to squeeze more columns and rows on those devices. As someone spending most of his time in a terminal, I have been thinking about drawing my own font for a while, and this was the perfect opportunity. To be able to test character spacing and alignment, I started to use the font in xterm, then a zoomed version, and one thing... -
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malware_training_vol1
Materials for Windows Malware Analysis training (volume 1)
malware_training_vol1 is an educational repository for Windows malware analysis training. It is designed to help learners understand common malware techniques through programming, reverse engineering, and Windows internals concepts. The material focuses on analysis rather than active misuse, making it useful for students, security researchers, and defenders building foundational skills. It includes exercises that explain how malware-like behaviors can be recognized and studied in a... -
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CoolPotOS
CoolPotOS for ia32 / amd64
CoolPotOS is a small, hobbyist operating system designed to be minimal and educational, offering the most basic kernel capabilities while remaining accessible to beginners. Written in C and Assembly, it focuses on bootstrapping, kernel entry, and simple console output. Though in early stages, CoolPotOS showcases the boot process, memory segmentation, and essential CPU features, serving as a great learning resource for those new to operating system internals. -
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hhuOS
hhuOS - A small operating system
hhuOS is an educational operating system project developed by students at Heinrich Heine University (HHU) in Düsseldorf, Germany. It is built from scratch in C and Assembly and intended as a teaching tool to help students grasp the foundations of kernel development, memory management, system calls, and multitasking. The project focuses on clarity, modularity, and hands-on experimentation with real OS components, making it suitable for OS development courses or personal exploration. -
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docker-maven-plugin
Maven plugin for running and creating Docker images
This is a Maven plugin for building Docker images and managing containers for integration tests. It works with Maven 3.0.5 and Docker 1.6.0 or later. -
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BoringSSL
Mirror of BoringSSL
BoringSSL is a Google-maintained fork of OpenSSL, designed specifically to meet the security, performance, and maintainability needs of Google’s infrastructure and products. While fully open source, BoringSSL is not intended for general public use — it serves as a streamlined, heavily modified SSL/TLS and cryptography library optimized for Google’s internal ecosystem, including Chrome/Chromium, Android, and other Google services. The project prioritizes security, simplicity, and...
