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YASM - http://www.tortall.net/projects/yasm/
A complete rewrite of the NASM assembler under BSD License. is designed from the ground up to allow for multiple assembler syntaxes to be supported (eg, NASM, TASM, GAS, etc.) in addition to multiple output object formats and even multiple instruction sets. |
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Fresh - http://fresh.flatassembler.net/
Visual assembly language RAD IDE with built-in FASM assembler. Designed for easy development of big assembly written applications. Self-contained, Fresh is written in Fresh and is fully compatible with FlatAssembler (FASM). |
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Flat Assembler - http://flatassembler.net/
A self-assembling open-source 80x86 assembler for DOS, Windows and Linux. It supports all 8086-80486/Pentium instructions with MMX, SSE, SSE2 and 3DNow! extensions, can produce output in binary, MZ, PE, COFF or ELF format. |
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High Level Assembly - http://en.wikipedia.org/wiki/High_Level_Assembly
An assembly language developed by Randall Hyde which can use high-level language constructs to aid x86 assembly programmer beginners and advanced assembly developers alike. (Wikipedia article) |
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A86 Assembler, D86 Debugger - http://eji.com/a86/
A86: high quality assembler, for x86 processors. D86: screen-oriented program to troubleshoot buggy programs written for DOS; freezes program states, shows values of registers, flags, memory; single steps forward or back. Eric Isaacson Software. |
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Free Assemblers and Linkers for Programmers - http://www.thefreecountry.com/compilers/assemblers.shtml
Lists assemblers, cross-assemblers, linkers, and librarians, where available, for a wide variety of operating systems and processors. |
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Go Tools - http://www.jorgon.freeserve.co.uk/
Information and tools for Windows assembly language programming. |
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ALink - http://alink.sourceforge.net/
Linker for DOS, Windows. Open source, Artistic License. |
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NewBasic Assembler: NBASM - http://www.frontiernet.net/~fys/newbasic.htm
Easy-to-use assembler for DOS and the Intel x86 and compatible processors, including support for real mode and protected mode. |
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R. E. Harvey's Assemblers Page - http://ourworld.compuserve.com/homepages/r_harvey/doc_book.htm
MASM versions history, links and comments. |
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Pass32 - http://www.geocities.com/SiliconValley/Bay/9159/pass32.html
Free 32-bit assembler for 16/32 bit DOS and 32 bit Windows, for easy protected mode programming. |
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Th XAssembler - http://xasm.webpark.pl
An asembler/linker/compiler for Intel x86 family processors. [Free and open source] |
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Niko's Shareware Assembly Tools (dated) - http://home.snafu.de/nkomin/html/filese.htm
Collection files and links to toolset for x86 assembler programming. |
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RosAsm - http://betov.free.fr/RosAsm.html
The continuation of SpAsm project. It's a PE Specific Assembler for ReactOS, Win32. All in one Assembler, Linker, IDE, Debugger. |
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MicroAsm - http://www.emu8086.com/dr/asm/
Micro Assembler IDE includes advanced source editor, 8086 assembler and IDE. All in one combination for beginners. [Freeware] |