November 2025
Forth Day
Meeting Notes

Compiled by Dave Jaffe

Contributions from Kevin Appert and others


SVFIG on Google+ Hangout: long url - tinyurl

SVFIG on Google+ - SVFIG on YouTube - SVFIG on YouTube Live - SVFIG on MeetUp

SVFIG YouTube Channel

Zoom Chat - Morning  Afternoon     Screenshot

09:00

Start of the Meeting - Kevin Appert, SVFIG Program Chairman

09:00

Announcements - Kevin Appert, SVFIG Program Chairman
A special thanks to Leon Wagner for funding SVFIG MeetUp for this year!

09:01

Fireside Q&A - Charles H. Moore
Chuck will give give a short introduction to tell us how he's doing and then will take some questions.

09:27

Screenshot

09:28

The Roles of Forth in Blockchain Technologies and Beyond - Liang Ng
“I'll investigate the roles of Forth in Blockchain related technologies and novel decentralised schemes beyond Blockchain, with the potential of reinventing the Internet, but without the huge footprint required by Blockchain.“

09:45

Matrices and Object Oriented Programming in Win32Forth - Bill Ragsdale
“Win32Forth gifts us amazing tools for productivity and program density. A matrix system can be developed in 45 lines of code.”

Slides
Video (18:05)

10:03

6809 Single Board Computer with "Software-Defined Peripherals" - Henry Strickland
"I will describe peripheral emulation in a Rapberry Pi Pico 2, on the vintage 8-bit 6809 bus."

Slides
Photo of Hitachi HD63C09EP Vintage CPU Board
Video (12:30)

10:18

Forth FPGA Synthesis - Brad Nelson
“I'll demonstrate my Forth implementation of FPGA synthesis for the iCE40UP5K.”

Slides
Video (21:00)

10:37

Hands-on Review of DurexForth - Samuel A. Falvo II
"I'll perform a quick hands-on demonstration of DurexForth for the Commodore 64 platform. This is quickly becoming my second favorite Forth environment, after PygmyForth in MS-DOS. But, it's not without its faults.”

10:50

Is Forth Your First Computer Language? - Douglas Hammed
“I'll discuss several Forth-related questions and topics:"

  1. Can a second or subsequent computer language help or impede coding?
  2. Are LLMs helping or hurting development in Forth?
  3. Does Forth help or detract in AI work such as ChatGPT?
  4. Studies in psychology of computer programming as an aid in coding in any language
  5. Psychological tools and studies that may help improve the programming process.

Suggested readings for Psychology and Programming - "These are the books that are relevant to programming and personality issues especially around AI programming."

  • The Psychology of Computer Programming and Quality Software Management Volume 3 - Gerald M. Weinberg
  • Gifts Differing - Isabel Briggs Meyers
  • Please Understand Me: Character and Temperament Types - David Kearsey and Marilyn Bates
  • Conjoint Family Therapy - Virginia Satir
  • Problem Solving Principles for Programmers - William E. Lewis
  • Introducing Neuro-Linguistic Programming - Joseph O'Connor and John Seymour
  • Explorations in Language Acquisition and Use - Stephen D. Krashen
  • New Science New Brain New You - Eve Delunas, PhD
  • The Teenage Brain - Frances E. Jensen, MD with Amy Ellis Nutt

11:14

A Journey through the FORML Archives - Kay Lack
“I'll look at some ideas from the annals of Forth and FORML. I will talk through and demonstrate Wil Baden's flowchart character set, Dr. Ting's distillation of Forth to a single word, and Chuck Moore's infamous BASIC interpreter.”

11:32

SLURP, MMS,, and NOVIX: My First Ten Years of Forth - John Rible
John will reminisce on his early days of computer hardware, software, and Forth

12:00

Lunch Break

13:08

The J1 and Descendants: Forth Stack Machines - Christopher Lozinski

13:25

Coming Back to Forth & Wordle Solver in Forth - Andrew McKewan

14:13

CoSy Annual Report 2025 - Bob Armstrong

Video (36:50)

14:50

GreenArrays Update - Greg Bailey
Greg will give a short introduction and preview Green Arrays tutorial videos.

16:31

End of the Meeting

Future

Windows Shell Support in Win32Forth - Bill Ragsdale
Bill will examine the three levels of direct user's Forth interface to a Windows based PC.

Creole Forth and Picar-X, Part 2 - Joseph M. O'Connor
Joseph will continue his presentation of Creole Forth for Python which he used to develop commands for the Picar-X robotic car.

Smart Token System - Don Golding
Don will discuss a combination of Color Forth constructs: a packet like structure for the cell.

Getting Started with arrayForth - Greg Bailey
"I will present a video on the simple process of downloading, installing, and using arrayForth 3."

Direction Finding - Andrew Korsak
Andy is planning to present this application.

Building GUIs in Forth, without the Gunk - Xuyang Chen

Fiji - Jack J. Woehr
Fiji
Fiji Language

The Game of Bridgit - Bob Armstrong

Other Items:

Forth for MSP430
Forth Tutorials
Forth CPUs
Forth Articles and Blogs
Forth Programming Books
Forth Jobs - submitted by Dennis Ruffer
Other Jobs
Green Arrays
Forth People
Products in Forth
Misc Forth Stuff
VFX Forth
Zork listserv for SVFIG
Computers
Components
Software Applications
Space Applications
Space stuff
Programming Languages other than Forth
Operating Systems
Utilities
Hardware
Other Books and Magazines
Manuals & Documentation
Articles
Applications
Stores
Robots
Games
Companies
Lectures
People
Surplus Houses
Meetings
Courses
Trade Shows
Podcasts
Personal Computer History
Retro Computing
Tutorials
Education
Contests
Blogs
Other

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