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flat assembler

The flat assembler is a fast and efficient self-assembling x86 assembler for DOS, Windows and Linux operating systems. Currently it supports x86 and x86-64 instructions sets with MMX, 3DNow!, SSE up to SSE4, AVX, AVX2 and XOP extensions, can produce output in plain binary, MZ...

Cost / License

  • Free
  • Open Source

Platforms

  • Windows
  • Linux
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flat assembler was added to AlternativeTo by tabakis on and this page was last updated . flat assembler is sometimes referred to as FASM. 

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Install from the command line

  • winget install -e --id fasm.fasm

Be careful what you paste into a terminal. Check what a command installs before running it.

What is flat assembler?

The flat assembler is a fast and efficient self-assembling x86 assembler for DOS, Windows and Linux operating systems. Currently it supports x86 and x86-64 instructions sets with MMX, 3DNow!, SSE up to SSE4, AVX, AVX2 and XOP extensions, can produce output in plain binary, MZ, PE, COFF or ELF format. It includes the powerful but easy to use macroinstruction support and does multiple passes to optimize the instruction codes for size. The flat assembler is self-compilable and the complete source code is included.