Forth Interpreter

Open-source Forth projects categorized as Interpreter

Forth Interpreter Projects

Interpreter
  • lbForth

    Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

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  • subleq

    16-bit SUBLEQ CPU running eForth - just for fun

    Project mention: The ancient world before computers had stacks or heaps | news.ycombinator.com | 2024-04-03

    I wrote a Forth interpreter for a SUBLEQ machine (https://github.com/howerj/subleq), and for a bit-serial machine (https://github.com/howerj/bit-serial), both of which do not have a function call stack which is a requirement of Forth. SUBLEQ also does not allow indirect loading and stores as well and requires self-modifying code to do anything non-trivial. The approach I took for both machines was to build a virtual machine that could do those things, along with cooperative multithreading. The heap, if required, is written in Forth, along with a floating point word-set (various MCUs not having instructions for floating point numbers is still fairly common, and can be implemented as calls to software functions that implement them instead).

    I would imagine that other compilers took a similar approach which wasn't mentioned.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

Project Stars
1 lbForth 408
2 subleq 53

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