Assemblers

Browse free open source Assemblers and projects for Mac and BSD below. Use the toggles on the left to filter open source Assemblers by OS, license, language, programming language, and project status.

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  • 1
    APNG Assembler

    APNG Assembler

    Creates APNG animation from PNG/TGA image sequence.

    Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes. GUI versions for Windows and macOS. Also, APNG Disassembler can be found at http://sourceforge.net/projects/apngdis
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    Downloads: 404 This Week
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  • 2
    RedtDec

    RedtDec

    RetDec is a retargetable machine-code decompiler based on LLVM

    The decompiler is not limited to any particular target architecture, operating system, or executable file format. ELF, PE, Mach-O, COFF, AR (archive), Intel HEX, and raw machine code supported. 32-bit: Intel x86, ARM, MIPS, PIC32, and PowerPC 64-bit: x86-64 supported. Demangling of symbols from C++ binaries (GCC, MSVC, Borland). Reconstruction of functions, types, and high-level constructs. Output in two high-level languages: C and a Python-like language. Generation of call graphs, control-flow graphs, and various statistics. Detection and reconstruction of C++ class hierarchies (RTTI, vtables). Signature-based removal of statically linked library code. Static analysis of executable files with detailed information. We currently support Windows (7 or later), Linux, macOS, and (experimentally) FreeBSD. An installed version of RetDec requires approximately 5 to 6 GB of free disk space.
    Downloads: 18 This Week
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  • 3

    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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    Downloads: 116 This Week
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  • 4
    64tass

    64tass

    An assembler for the legendary 6502 processor and it's derivatives

    64tass is cross assembler targeting the 65xx series of micro processors.
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    Downloads: 48 This Week
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  • AestheticsPro Medical Spa Software Icon
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  • 5
    APNG Disassembler

    APNG Disassembler

    Deconstruct APNG file into a sequence of PNG frames.

    This program converts APNG file into a sequence of individual PNG frames. Command-line interface and GUI viersions. Also, APNG Assembler can be found at http://sourceforge.net/projects/apngasm
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    Downloads: 65 This Week
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  • 6
    Atmel AVR Assembler for all platforms. Compatible with Atmel's own assembler. Extra macro features, auto type conversion for macros, conditional assembly, creates .coff files for debugging, special 100% identical output compared to orig. Atmel Assem
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    Downloads: 26 This Week
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  • 7
    Z88 Development Kit

    Z88 Development Kit

    C compiler and dev kit for the z80 with assembly language libraries.

    Z88DK is a complete Z80 / Z180 development kit that includes C compiler, assembler, linker, a tool for generating executables in a number of formats, and miscellaneous other tools. Over 80 machines are directly supported out of the box including standalone Z80 and Z180 embedded systems. Z88DK's extensive assembly language libraries give it significant performance advantages over other Z80 C Compilers. Building software for standalone or generic Z80 systems: https://www.z88dk.org/wiki/doku.php?id=libnew:target_embedded Visit us at github for the current version with bugfixes and new features: https://github.com/z88dk/z88dk
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    Downloads: 12 This Week
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  • 8
    A open source java card virtual machine implementation. And also some part of the VM code can be used as part of kinds of tools such as javacard bytecode disassembler.
    Downloads: 7 This Week
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  • 9

    z80ex

    ZiLOG Z80 CPU emulation library

    Z80~Ex is the portable ZiLOG Z80 CPU emulator designed as a library. Goals include : precise opcode emulation (documented & undocumented), exact timings for each opcode (including I/O operations), multiple CPU contexts. disassembler is also included.
    Downloads: 5 This Week
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  • 10
    Easy Beginner's Environment in QT

    Easy Beginner's Environment in QT

    This is a port of the ebe programming environment to QT.

    The ebe programming environment is a nice IDE designed for developing Assembly programs. It also handles C and C++ programs as well since there was not much extra effort. It used to support Fortran and this could return if people want Fortran. This project is an effort to recode ebe using C++ and QT. Originally ebe was coded using Python, Tkinter and Pmw, which worked out pretty well. The QT environment offers substantially better GUI controls. The most obvious difference is that Python ebe has a lot of separate windows, while the QT ebe will use 1 main window and a collection of dockable subwindows. This will make it easier to use.
    Downloads: 6 This Week
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  • 11
    Disassembler for Windows(95-XP), currently supports PE, NE, MZ, COM and "unknown" executable formats. Includes also OS independent console version (but requires x86). Output syntax similar to NASM .
    Downloads: 3 This Week
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  • 12
    A cross assembler for the ubiquitous Intel(tm) 8048 family of microcontrollers. Also supports compatible parts such as the 8035, 8039, 8049, etc. Binaries are available for Windows, Linux and Mac OSX.
    Downloads: 2 This Week
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  • 13

    asm68c

    Assembles M6800 and 6801 assembly language source code. (and Forth)

    A simple absolute mode assembler for 6800/6801. Handles the complete published set of opcodes/mnemonics. Mostly source-language compatible with the common assemblers in use circa 1985, but no macros. Now uses standard LDAA syntax by default. Produces basic S1/S9 object files and assembly listings, and now binary and MC-10 compatible cassette images. (This is for the 8-bit 6800, not the 16/32 bit 68000/coldfire processors.)
    Downloads: 1 This Week
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  • 14
    jbytecode is a Java bytecode disassembler/assembler written in Python. Dissasembly code is aligned with Java bytecodes in the class file so modification and re-assembly is always possible, even when class is obfuscated.
    Downloads: 1 This Week
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  • 15
    Goal of this project is to make a working Intel 8051 simulator. It covers also some I/O devices like keypad, LCD screen and GUI in Qt.
    Downloads: 0 This Week
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  • 16
    BASM

    BASM

    The Basic Computer Assembler

    BASM is a user friendly and easy to use assembler for The Basic Computer, capable of creating the object, list and hex file and giving detailed error reports. It's more of academic use for students who wish to understand how does The Basic Computer actually work. Alongside this assembler, soon a simulator will also be available at BASM's SourceForge page.
    Downloads: 0 This Week
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  • 17
    Bits and Pieces is an interactive 6502 disassembler.
    Downloads: 0 This Week
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  • 18
    Code Red Sim

    Code Red Sim

    A low-power ISA design and simulator for a 2010 IEEE competition

    This is a student project designed to compete in the 2010 IEEE Computer Society Student Competition: http://www.computer.org/portal/web/competition/2010competition The Code Red architecture is designed for extremely lower power environments, like distributed sensor networks. Included is a design of that architecture, a Java-based simulator, an implementation (without vector instructions) designed as a Logisim circuit (http://ozark.hendrix.edu/~burch/logisim/), and more. The name "Code Red" comes from our team name, the Red Team. Since the competition dictated a small team size, our professor split the class and gave each group a color. We liked the name "Code Red" and chose it to represent our team and school's color (UMass' official color is Maroon.) Only later did we realize that "Code Red" was the name of an unrelated computer worm from 2001.
    Downloads: 0 This Week
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  • 19
    lib5600x is a library implementing Motorola DSP5600x disassembler. It's an ANSI C link library that should be useful for people writing debuggers, memory monitors etc for DSP5600x chips.
    Downloads: 0 This Week
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  • 20
    Dev65 is a macro assembler, linker and librarian suite for the 6501, 6502, 65C02, 65816 and 65832 family of microprocessors coded in Java for portability. The code is based on a framework that could support other system architectures.
    Downloads: 0 This Week
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  • 21
    Flasm is an assembler/disassembler for Flash actionscript bytecode. Using flasm, script authors may learn how actionscript compiler and Flash Player virtual machine work, and tweak the compiled bytecode in SWF files for performance.
    Downloads: 0 This Week
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  • 22
    JEST will be the Java bytecode engineering Swiss-Army Jackhammer. It will include a disassembler, class browser, obfuscator, optimizer, class editor, and bytecode debugger, and have an intuitive GUI.
    Downloads: 0 This Week
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  • 23
    Jout (Java optimization utility toolkit) is a complete workground for editing .class files. It includes automatic and manual optimization.
    Downloads: 0 This Week
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  • 24
    JReversePro is a Java Decompiler / Disassembler written in Java. Facility to view the ConstantPool contents is available. AWT, Swing and command-line versions are present.
    Downloads: 0 This Week
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  • 25
    JTools.Ruby is easy way to access Java 2 class-files via scripts written in Ruby language. There are class-file disassembler, assembler and simple Ruby to Java bytecode compiler. The work is at the start point.
    Downloads: 0 This Week
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