Repost: ChipWits, a game written in MacForth for the 128K Macintosh

RISC-V Pushes 400 Million Forth Words Per Second

We’ll be honest. Measuring Forth words per second doesn’t seem like a great benchmark since a Forth word could be very simple or quite complex. But we think the real meaning is “u…

Go Forth With This Portable Programmer

When choosing a low-level language, it’s hard to beat the efficiency of Forth while also maintaining some amount of readability. There are open source options for the language which makes it access…

Forsp: A Forth & Lisp Hybrid Lambda Calculus Language

In the world of lambda calculus programming languages there are many ways to express the terms, which is why we ended up with such an amazing range of programming languages, even if most trace thei…

Bit-Serial CPU: Ultra-Tiny VHDL-Based CPU With Forth Interpreter

Soft cores for FPGAs come in many different flavors, covering a wide range of applications. The Bit-Serial CPU (bcpu) soft core presented by [Richard James Howe] is interesting for taking up just a…

Recreating The Jupiter ACE

What looks like a Sinclair ZX81 but runs Forth? If you said a Jupiter ACE, you get a gold star. These are rare because ordinary people in 1982 didn’t want Forth, so only about 5,000 of the de…

Tiny Forth Could Be The Smallest

When you think of a programming language, you probably think of a hefty compiler or interpreter. Maybe its on a bunch of floppies, a CD, or even an EEPROM. But what about a language that fits in a …

Learn Forth On The Commodore VIC-20

Although BASIC was most commonly used on home computers like the Commodore VIC-20, it was possible to write programs in other languages, such as Forth. Conveniently, all it took to set up a Forth d…

A NOR Gate For An ALU?

If you know anything about he design of a CPU, you’ll probably be able to identify that a critical component of all CPUs is the Arithmetic Logic Unit, or ALU. This is a collection of gates th…

Forth Cracks RISC-V

Over the decades there have been many programming languages, some of which have flowered briefly, and others that have stuck around despite newer, better, and faster competition. Few languages embo…

HP-41C, The Forth Edition

If you have an HP-41 — arguably the best calculator ever made, you might not have noticed that there’s a version of Forth for it. The code was written a while back in assembly and will …

Old Casio Calculator Learns New Tricks

[George Stagg] recently found himself stung by the burden of free time while in lockdown. Needing a project to keep him occupied, he decided to upgrade his 90s Casio CFX-9850G calculator to run cus…

DIY Forth On Arduino

On a recent rainy afternoon, [Thanassis Tsiodras] decided to build his own Forth for the Arduino to relieve the boredom. One week of intense hacking later, he called it done and released his projec…

Forth Module The Size Of A Stick Of Gum

Australian engineer [John Catsoulis] developed a small module called the Scamp2 dedicated to running Forth. The focus of his Udamonic project was not only to highlight Forth, but to make a module w…