December 2020
Meeting Notes

Compiled by Dave Jaffe

Contributions from Kevin Appert and others


SVFIG on Google+ Hangout: long url - tinyurl

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SVFIG YouTube Channel

Zoom Chat

09:31

Welcome - Program Chair, Kevin Appert

Mountain View Press Forth books for sale

09:33

Lisp-y Data Abstraction in Forth - Brad Nelson
"Back in February 2019, I explored how Forth can tackle Structure and Interpretation of Computer Programs (SICP) style data abstraction over rational numbers, complex numbers, and polynomials. However, in the interest of time, I left out the implementation of a garbage collector (instead leaking like a sieve). I'll now correct that omission, demonstrating a Cheney collector in Forth and how to make closures that don't leak memory."

Slides
Video (33:10)

10:06

Vocabularies in Creole Forth - Joseph M. O'Connor

Slides
Video (20:49)

Future of Forth Application - Don Golding
Not present

10:27

C-based eForth on Top of RTOS (Real-Time Operating System) - Masa Kasahara
Masa mentioned Visual Studio and the eForth Virtual Machine

Slides
Video (18:50)
cefMETA_23.c
ceForth_23-ansi.c
ceForth_33-ansi2.c

10:47

Forth in Research - Adrian Blake
Adrian spoke about quantum key cryptography for free space optical communications experiments controlled by a simple Forth program.

Slides
Video (13:20)

11:00

Programming Challenge: Palindromic Numbers - Bill Ragsdale
Palindromic Numbers are those whose digits are the same forward and backward as for RADAR but with numbers - such as 88 and 666 and 12321. Program a generator or a filter to find the palindromic integers from, say the five digit 00000 to 99999. Over this range, what is the percentage of palindromic integers? Why?

Video (35:20)
Participants:
Bob Armstrong
John Rible - slides
Philip Zembrod
Brad Nelson - slides
Dave Henderson - Code tested with VFXForth for Win32 and SwiftForth on Windows 10
Bill Ragsdale

11:35

Scamp - An Off-the-shelf Forth Computer for Embedded Applications - John Catsoulis
Scamp is a small embedded machine that comes with FlashForth preinstalled. It’s intended to make it easy for beginners to learn Forth in an embedded context, and to be a turnkey Forth computer for experienced engineers. This talk will provide an overview and demo of Scamp.

Video (42:43)
Udamonic
Scamp2 - Embedded Forth Computer with video (0:43)

12:10

Forth Bookshelf - Juergen Pintaske

12:20

Random Access

 

Next month - Leon Wagner & John Catsoulis


Other items:

Forth
Forth Programming Language - Shropshire LUG - Oct 2020 - Carsten Strotman (video 1:30:09)
Virtual Forth Environment (User = forth, Password = forth-oct-2020)
Why Forth? - Abraham Moller (video 11:09)
Forth2020 Users-Group
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
Computers
MELIFE 2 Pack ESP32-DevKitC core Board ESP32 Development Board ESP32-WROOM-32U for Arduino IDE
Seeeduino Xiao
Hackboard 2 Is a $140 Windows 10 Pro Single-Board Computer
Micro:bit Gets a Voice and More Memory
Chips
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
Videos
Courses
Trade Shows
Podcasts
Personal Computer History
Heathkit: An Employee’s Look Back
Retro Computing
Tutorials
Education
Contests
Blogs
Other
They took my Kodachrome away - so I brought it back


Meeting Announcement

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