Search Results for "os assembly"
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Showing 369 open source projects for "os assembly"
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os-tutorial
How to create an OS from scratch
...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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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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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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Scpsec OS is a modern, lightweight, Debian-based Linux distribution designed to provide a fast, stable, and user-friendly desktop computing experience. Built on the reliability of Debian, Scpsec OS combines performance, simplicity, and security into an operating system suitable for everyday users, developers, students, and IT professionals.
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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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Objeck
Objeck is a modern object-oriented programming language
General-purpose object-oriented and functional programming language. Designed to be intuitive, lightweight, cross-platform and fast. The Objeck compiler produces two types of binaries. The first is an executable and the second type is a library. Libraries can be linked into executables by passing the names of libraries to the compiler. Objeck can be built for a variety of targets. The language is implemented in C++, assembly (i.e., generated machine code) and assisted by code generators for... -
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Modifications to IBM's MVS 3.8j operating system (delivered via turnkey-mvs) to add some z/OS (MVS/XA, OS/390) functionality, especially 31-bit addressing. Note that the latest dev Hercules/380 is available from http://pdos.org
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Flash Linux 0.11 Talk
Annotated Unix system source code
...The materials break down historically compact and dense code into digestible segments, with diagrams and call flows that trace execution from bootloader to user space. By focusing on a small, early kernel, the series reveals core OS concepts without the complexity of modern subsystems. It highlights how segmentation and paging cooperate, how system calls are dispatched, and how context switches and signals work in practice. The commentary ties C and assembly listings back to architecture specifics, making the hardware–software interface concrete. For learners, it serves as a guided tour that builds intuition for operating system design and prepares them to tackle contemporary kernels with better mental models. -
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ProximusDA OS Kernel project provides multi-threading communication between cores. It parallel distributed and implements tasks. "ProximusDA (Proximus Design Automation) GmbH was founded in Munich on July 17, 2008. The company's main focus is to develop and sell its Proximus software development tool. Proximus allows designers to evaluate early on which elements should be implemented in hardware and which in software. This knowledge considerably reduces both system development times and...
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MacFCEU
NES/Famicom emulator based on FCE Ultra.
An updated Mac OS Classic/Carbon-specific port of FCE Ultra 0.98.13, the Nintendo Entertainment System/FamilyComputer emulator, and beyond. This emulator is meant for older Macs, pre-OS X. -
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Active Object real-time OS
AO RTOS is small real time OS based on Active Object concurrency model
AO-RTOS is a pure object-oriented small footprint real-time operating system for embedded devices. The project is using Active Object (or Actor) concurrency model and finite state machine (FSM) design template as implementation base. -
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ACME Cross-Assembler
multi-platform cross assembler for 6502/6510/65816 cpu
ACME is a free cross assembler released under the GNU GPL. It can produce code for the following processors: 6502, 6510 (including illegal opcodes), 65c02 and 65816. ACME supports the standard assembler stuff like global/local/anonymous labels, offset assembly, conditional assembly and looping assembly. It can include other source files as well as binaries while assembling. Calculations can be done in integer or float mode. Oh, and it is fast. -
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mtsieve
A multi-threading framework using a prime sieve to do work
mtsieve is a framework wrapped around primesieve to distribute prime numbers to worker classes to do work with those prime numbers. The "mt" means that it is multi-threaded. The "sieve" means that the framework is typically used to eliminate candidate terms with small from a set of numbers. The numbers remaining after using mtsieve can then be used by programs such as llr and pfgw to test those numbers for primality. Another usage could be to use those prime numbers to test each for a... -
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BaltaOS: Uno de los OS más conocidos en Argentina. También uno de los OS más intuitivos para el usuario. Hecho en: Argentina, Santa Fe - Piso 1 Saavedra y chacabuco al 1827 Un pequeño grupo de persnas para el desarrolo del mismo.
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VirtualDbTreeEx
Checking HMI fully linked to data
Checking HMI fully linked to data. Linked to VirtualTreeEx, an assembly language tree, with const parameters. -
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BitVisor is a tiny hypervisor initially designed for mediating I/O access from a single guest OS. Its implementation is mature enough to run Windows and Linux, and can be used as a generic platform for various research and development projects.
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ParamOS with GUI
An Operating System with Interactive Graphical User Interface (GUI)
This version of ParamOS has a simple and interactive Graphical User Interface (GUI). It was made using Assembly Language (NASM) and C Programming Language. This GUI-based OS can toggle windows and Start menu. Use keys '1', '2' to toggle windows and 's' to toggle Start Menu. Note: I have provided the "paramos.bin" file. You can run it in QEMU using the command: qemu-system-i386 -kernel paramos.bin -
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This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.
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ChibiOS/RT is a free and efficient RTOS designed for deeply embedded applications. It offers a comprehensive set of kernel primitives and supports many architectures: ARM7, Cortex-M0, Cortex-M3, Cortex-M4, PowerPC e200z, STM8, AVR, MSP430, ColdFire, H8S, x86.
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BerserkArch
A bleeding-edge, security-centric Arch-based Linux distribution.
BerserkArch is a security-focused, performance-tuned Linux operating system (OS) based on Arch Linux, designed for developers, hackers, and technical users. A bleeding-edge, security-centric Arch-based Linux distribution crafted for hackers, developers, and nerds alike. Following the Arch Linux philosophy, it is designed to be highly customizable, allowing users to build their environment with only the components they need, rather than having a lot of pre-installed software like some other... -
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operating system simple
Operating System Guide Dari 0
operating_system_guide is a curated, beginner-friendly resource aimed at helping aspiring developers learn how to create an operating system from scratch. Maintained by AzkaDev, the guide collects educational materials, links, and code snippets that walk learners through each major component of OS development—from bootloaders to kernel structures and system calls. While still evolving, the guide acts as a roadmap and inspiration hub for those wanting to explore low-level systems programming... -
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Cerberus Content Management System 6
Cerberus Content Management System
Cerberus Content Management System is a dynamic, secure and infinitely expandable CMS designed after a Unix-Like model complete with a Unix-Like Kernel File named: Cerberus. It is a custom written Web Application Framework ( W.A.F. ) with a consistent and custom written Pre-Hyper-Text-Post-Processor Programming Code Framework ( P.C.F. ). This Web Application Software Project' aim is to be the fastest and most secure Web Application Framework, Web Application Programming Code Framework, Text,... -
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FindPlasmids
Find plasmids in microbial genome assembly files
FindPlasmids identifies known plasmids in genome assembly files by using the assembly file to query a local Blast+ database of plasmid sequences. The FindPlasmids package includes executables for Mac OS X, Linux and Windows. Detailed instructions for making the local plasmid database, searching it, and identifying the plasmids are included in the FindPlasmids package. -
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libjpeg-turbo
SIMD-accelerated libjpeg-compatible JPEG codec library
libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON, AltiVec) to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM, and PowerPC systems. On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg, all else being equal. On other types of systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue of its highly-optimized Huffman coding routines. In many cases, the performance of libjpeg-turbo rivals... -
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smolOS
A tiny and simple research operating system
smolOS is a minimalist 16-bit operating system written in pure Assembly for x86 real mode. Its goal is to demonstrate the fundamentals of how an OS boots, handles input, and displays output using only the most essential code. smolOS fits in a single boot sector and runs directly on BIOS-compatible hardware or emulators like QEMU. It’s ideal for those seeking to understand bootloaders, BIOS interrupts, and ultra-low-level system programming through a practical and tiny project.
