README.md

Adobe Flash and ActionScript Specifications

This directory contains official Adobe Flash SWF and ActionScript specifications used for the SWFRecomp project.

Files

SWF File Format Specification (Version 19)

• swf-spec-19.pdf (1.7 MB)

  • Official Adobe SWF File Format Specification, Version 19
  • Source: https://open-flash.github.io/mirrors/swf-spec-19.pdf
  • Mirror maintained by the Open Flash project

• swf-spec-19.txt (370 KB)

  • Text version of the SWF specification, extracted from the PDF
  • Generated using: pdftotext swf-spec-19.pdf swf-spec-19.txt
  • Contains all the specification content in plain text format

• swf-spec-19-images/ (25 PNG files)

  • Charts and diagrams extracted from the SWF specification PDF
  • Generated using: pdfimages -png swf-spec-19.pdf swf-spec-19-images/image
  • Contains images image-000.png through image-024.png

ActionScript Bytecode (ABC) Format Specification

• abc-format-46-16.txt (8.2 KB)
  • Official Adobe ABC File Format Specification
  • Version 46.16 (Flash Player 9+)
  • Source: https://github.com/adobe-flash/avmplus/blob/master/doc/abcFormat-46-16.txt
  • From Adobe's official avmplus repository

AVM2 (ActionScript Virtual Machine 2) Overview

• avm2overview.pdf (401 KB)

  • Official Adobe ActionScript Virtual Machine 2 (AVM2) Overview
  • Published: May 2007
  • High-level overview of the AVM2 architecture and instruction set
  • Source: https://www.adobe.com/content/dam/acom/en/devnet/pdf/avm2overview.pdf

• avm2overview.txt (150 KB)

  • Text version of the AVM2 Overview, extracted from the PDF
  • Generated using: pdftotext avm2overview.pdf avm2overview.txt
  • Contains all the specification content in plain text format

AVM2 Opcode References

• opcodes.as (15 KB)

  • ActionScript 3 opcode table generator
  • Shows opcode metadata structure used in the AVM2 virtual machine
  • Source: https://github.com/adobe-flash/avmplus/blob/master/utils/opcodes.as
  • From Adobe's official avmplus repository

• avm2_opcodes_raw.txt (258 lines)

  • Extracted opcode table from avmplus Interpreter.cpp
  • Maps opcodes 0x00-0xFF to instruction handlers
  • Shows which opcodes are implemented vs XXX (unimplemented)
  • Source: Extracted from https://github.com/adobe-flash/avmplus/blob/master/core/Interpreter.cpp

External References

• Open Flash Project: https://open-flash.github.io/
  • Maintains mirrors of Adobe Flash specifications
• Adobe avmplus: https://github.com/adobe-flash/avmplus
  • Official ActionScript Virtual Machine implementation (archived)
  • License: MPL 2.0