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There is also a bindAsync function that can be used to call JS from Forth https://github.com/remko/waforth/issues/46
Yes I wrote a paper but I probably can't find it. The easiest place to look would be in the Open Firmware source. https://github.com/MitchBradley/openfirmware/blob/master/forth/kernel/kernel.fth#L771 The magic is all in +level and -level. Search for those in kernel.fth to see other places they are used to achieve a similar effect, e.g. in abort" For an alternative but effectively equivalent formulation, see: https://github.com/MitchBradley/cforth/blob/master/src/cforth/forth.c#L652 and https://github.com/MitchBradley/cforth/blob/master/src/cforth/control.fth I was very pleased when interpreted conditionals reduced to +LEVEL and -LEVEL plus a temporary compilation buffer. It was one of those "Yes!" moments. I thought of doing temporary compilation at HERE, but that would have prevented usages like:
One great reason for taking a high level networked based approach to graphics (like the C++ and Cairo based Micropolis TileEngine and the Python and AMF based Micropolis Online server and the XML / JavaScript OpenLaszlo / Flash based client use, of only sending the tile differences between each frame) would be if you were implementing a multi player game or distributed graphics application, and wanted to run WAForth on a server instead of in the browser, i.e. like low cost CloudFlare Worker edge servers that run WebAssembly and are geographically located near the users, that send commands to the clients to render graphics in their web browsers. (WebRTC is the way to go for doing that! Forget about all the old proprietary Flash AMF media server crap I was using back in the day for Micropolis Online.)
Sandspiel is a wonderful "Falling Sand" style game, and they just released Sandspiel Studio, which takes it into the programmable dimension, by actually letting you visually edit and define your own custom cellular automata rules using a Scratch-like block visual programming language!