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Asked: 2026-05-11T03:29:19+00:00

I’m interested in making a language to run on the AVM2 and I’m looking

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I’m interested in making a language to run on the AVM2 and I’m looking for advice on where to start. I do realize that this is by no means a trivial task, but I would like to give it a try and at the very least learn more about implementing a language along the way.

I have messed around with ANTLR and have been reading up on syntax issues for language development. What I’m looking for is advice on a path to take or useful references/books.

For instance I would like to generate (script/manually) some very simple AVM2 bytecode and get that to run on the VM as a start.

Thanks

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  1. If you are not interested in Haxe, you will basically need to write your own compiler that compiles objects down to ABC (Actionscript Byte Code). The AVM2 Overview document available from Adobe on ABC and the AVM2 which should help you get started. It’s a fairly thorough document but stay alert for a few typo’s in the bytecode instructions.

    You will also need to wrap the bytecode in a doABC tag as part of a SWF container. You can get more information from the SWF File Format documentation.

    If you’d like a headstart on writing the data structures (optimised int formats, etc), feel free to checkout the code at asmock, a dynamic mocking project I’ve been working on. The SWF/ByteCode generation stuff is a bit messy but there are IDataOutput wrappers (SWF, ByteCode) that might come in handy.

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