crc/retroforth: Retro is a modern, pragmatic Forth drawing influences from many sources. It's clean, elegant, small, easy to grasp, and adaptable to many tasks.

Retro is a modern, pragmatic Forth drawing influences from many sources. It's clean, elegant, small, easy to grasp, and adaptable to many tasks.

Find a file

crc 3498583b9c nga-c: rewrite instruction bundle validator FossilOrigin-Name: b49f50251dba7b01b1ae7883e0389fab97ae0c495c8e935f42d010cc1203927a		2023-11-21 17:42:28 +00:00
.builds	ci: dont build retro-compiler (currently broken)	2023-06-29 11:13:23 +00:00
benchmarks	benchmarks: add a simple `choose` benchmark (#26 )	2020-12-18 20:18:13 +00:00
doc	allow VM device configuration from either C or Configuration.mk; update the build instructions to point to Configuration.mk (thanks to technomancy for reporting the incorrect instructions)	2023-11-20 13:16:55 +00:00
example	add a new example showing a limited form of vocabulary	2023-11-21 14:49:38 +00:00
future	small cleanups, remove redundant file	2021-09-10 17:55:07 +00:00
image	fix bug in s:index/char (reported by fangchar in #retro on oftc)	2023-10-25 12:45:28 +00:00
interface	file:reaf	2023-11-03 16:51:12 +00:00
man	added an initial man page for retro-compiler(1)	2023-11-08 03:37:07 +00:00
old	move old Python files to old/ pending future deletion	2023-10-22 22:29:22 +00:00
package	add first part of (termina) code from konilo to package/extensions/termina.retro [provides text color; positioning]	2023-11-07 02:25:44 +00:00
security	begin prep for start of work on 2024.4	2023-10-02 16:47:20 +00:00
tests	add CURRENT.txt to start tracking what Im currently working on	2023-10-22 16:44:57 +00:00
tools	retro-describe: support multiple words again	2023-11-03 17:12:23 +00:00
vm	nga-c: rewrite instruction bundle validator	2023-11-21 17:42:28 +00:00
.gitattributes	github: add file type overrides for linguist	2021-01-27 13:40:59 +00:00
.gitignore	Change mem:* API to make memory offset calculation easier (from Rick C)	2022-07-31 00:46:20 +00:00
BUILDING.md	fix a typo	2023-10-23 18:30:04 +00:00
Configuration.mk	allow VM device configuration from either C or Configuration.mk; update the build instructions to point to Configuration.mk (thanks to technomancy for reporting the incorrect instructions)	2023-11-20 13:16:55 +00:00
CURRENT.txt	add CURRENT.txt to start tracking what Im currently working on	2023-10-22 16:44:57 +00:00
GNUmakefile	fix for GNUmakefile (from drakonis)	2023-06-27 00:19:27 +00:00
KNOWN-ISSUES.txt	note a possible bug in s:dedup	2023-10-22 22:10:41 +00:00
LICENSE	add missing source data for a: and d: words	2023-10-22 21:45:13 +00:00
Makefile	quieter output when building; use strlcpy in tools/retro-muri.c	2023-10-22 22:19:38 +00:00
ngaImage	fix bug in s:index/char (reported by fangchar in #retro on oftc)	2023-10-25 12:45:28 +00:00
README.md	bump version number; add new patrons, updates to release notes	2023-03-20 17:48:11 +00:00
RELEASE-NOTES	nga-c: make some use of the C preprocessor in cleaning up the argument handling code	2023-11-21 17:24:48 +00:00
retroforth.el	add retroforth.el emacs mode	2021-03-30 20:41:40 +00:00

README.md

      d8888b. d88888b d888888b d8888b.  .d88b.
      88  `8D 88'     `~~88~~' 88  `8D .8P  Y8.
      88oobY' 88ooooo    88    88oobY' 88    88
      88`8b   88~~~~~    88    88`8b   88    88
      88 `88. 88.        88    88 `88. `8b  d8'
      88   YD Y88888P    YP    88   YD  `Y88P'

Retro is a modern, pragmatic Forth drawing influences from many sources. It's clean, elegant, tiny, easy to grasp, and adaptable to many tasks.

Features

Open Source (ISC License)
Portable (runs on a MISC-style virtual machine)
Small source & binaries
Builds into a single, self contained binary
Sources in literate format, using a Markdown variant

Quick Start

For most systems (FreeBSD, NetBSD, OpenBSD, macOS, Linux):

make

You will need a standard C compiler and make.

Executables

Binaries will be placed in the bin directory.

The primary executable is retro. This is used for running the examples and the Atua (gopher) & Casket (http) servers that power retroforth.org.

The retro executable embeds the image into the binary, making it trivial to copy and deploy.

This interface layer also extends the language with many new words and vocabularies, adds scripting, files, floating point, and more.

The retro executable can handle a variety of command line arguments which are covered in the manpage, but the most common ones are:

retro

Starts the listener, a basic REPL for interactive use.

retro filename

This will run the code in the specified file, then exit. This is also used to run programs as shell-type scripts using a header line like #!/usr/bin/env retro.

retro -i -f filename

This will run the code in the specified file, then start the listener.

Literate Sources

Source files for use with retro are written with code in fenced blocks:

commentary here

~~~
code here
~~~

Anything outside the fenced blocks will be ignored.

Documentation

The primary documentation is in RETRO-Book.md (and the formatted epub.) Additional notes can be found in the doc directory.

Alternative Implementations

In addition to the C and Python implementations, this source tree includes additional implementations in C#, Nim, JavaScript, and Pascal. These are not as well tested or as feature complete as the main implementations, but are provided for your use if the standard implementations will not suffice.

Learn More

Visit http(s)://retroforth.org to learn more and follow along with development.

Patreon

I have a Patreon at https://www.patreon.com/_crc for those that want to financially support development. All funds raised via Pateron are put into development related expenses (server expenses, app store fees, hardware).

Thanks go out to my current and past patrons:

Kiyoshi YONEDA
Krinkleneck
Rick Carlino
Scott McCallum
Bartels Jon Randy
Nuno
Eli
Brad S
Tobias Ammann
oneearedrabbit
Octavio Turra