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How I Wrote a Forth (Without Knowing How)

Victoria Lacroix documents her experience writing MoonForth, a Forth implementation in C built on Lua's C API. She started by studying JonesForth's source code as a reference, though she sidestepped its complex interpreter/compiler to focus first on building a working stack-based system leveraging Lua's internal stack mechanics.

Background

Forth is a stack-based programming language known for its minimalism and self-hosting capability. JonesForth is a well-known minimal x86 assembly Forth often used as a starting point for those learning to write their own implementations.

Source
Lobsters
Published
Sep 15, 2026 at 08:51 PM
Score
5.0 / 10