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wai
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TimeSnap
wai
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It is a lot, but not quite 1000, yet. From https://webassembly.github.io/spec/core/appendix/index-instr... I see 436 instructions including SIMD which is over half the population. If I filtered it correctly, it looks like there are about 203 instructions in Wasm without SIMD. Many of those are not necessary for most programs.
There at least three small Wasm interpreters in Rust
4kloc https://github.com/yblein/rust-wasm
3kloc https://github.com/k-nasa/wai
500loc https://github.com/rustwasm/wasm-bindgen/tree/HEAD/crates/wa...
This list has 169 Wasm instructions https://github.com/rolfrm/wasm-lisp/blob/master/instruction....
Wirth's RISC is neat, I'd love to re-do it in RISC-V (only 47 instructions in the base ISA). UM, Chifir and UXN look like Art (not pejorative), I'll definitely read the Chifir paper. They would be great systems to run on top of Wasm.
https://git.sr.ht/~bctnry/chifir
One might be able squeeze a Chifir VM into an ESP-32 (with external PSRAM).
- Creating a simple WebAssembly interpreter
What are some alternatives?
WasmCert-Isabelle - A mechanisation of Wasm in Isabelle.
wasm-micro-runtime - WebAssembly Micro Runtime (WAMR)
rust-wasm - A simple and spec-compliant WebAssembly interpreter
Seed - A Rust framework for creating web apps
Lifeslice - Automatically take webcam pics, screenshot, and other metrics throughout the day.
tropy - Research photo management
vim-mundo - :christmas_tree: Vim undo tree visualizer
learn-fpga - Learning FPGA, yosys, nextpnr, and RISC-V
flexible-vectors - Vector operations for WebAssembly
wain - WebAssembly implementation from scratch in Safe Rust with zero dependencies