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Retro is a modern, pragmatic Forth drawing influences from many sources. It's clean, elegant, small, easy to grasp, and adaptable to many tasks.
1605 commits 1 branch 20 tags 23 MiB
C 39.3%
Forth 33.7%
Python 13%
Assembly 4.3%
C++ 2.4%
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crc 98d7922457 move retro.muri source data into retro.muri; bump copyright year in license text 
FossilOrigin-Name: 2765bf7a9ce834527d7698e8f3eee7e67c77aa552bcbca6b2da87481e4ed99f8
2022-01-04 12:05:47 +00:00
.builds retro-unix: default package/list.forth now overrides d:add-header to track header source 2021-08-24 13:10:25 +00:00
benchmarks benchmarks: add a simple choose benchmark (#26) 2020-12-18 20:18:13 +00:00
doc mark NoEcho as deprecated, update description in glossary 2021-11-11 14:15:27 +00:00
example fix bug in example/defstruct that was causing the structure name to be lost when the temporal string pool rolls back to start 2021-12-10 11:46:41 +00:00
future small cleanups, remove redundant file 2021-09-10 17:55:07 +00:00
image move retro.muri source data into retro.muri; bump copyright year in license text 2022-01-04 12:05:47 +00:00
interface fix bug in d:source data for retro.forth 2022-01-04 11:59:15 +00:00
man nga-c: -t now takes a command line argument for the file name 2021-06-01 13:42:30 +00:00
package deprecated words now in interface/ instead of package/extensions/ 2021-09-29 10:08:17 +00:00
rel/python run black to reformat Python files 2021-01-20 17:41:34 +00:00
security add security stuff for 2022 releases 2021-11-29 12:58:43 +00:00
tests add test images for each instruction excluding i/o 2021-06-01 19:00:48 +00:00
tools initial step towards supporting dictionary lookup via name hash 2021-12-27 18:20:21 +00:00
vm move retro.muri source data into retro.muri; bump copyright year in license text 2022-01-04 12:05:47 +00:00
.gitattributes github: add file type overrides for linguist 2021-01-27 13:40:59 +00:00
array-todo.txt update a:to-string 2021-10-29 10:06:04 +00:00
build-wip.sh nga-c: add retro-wip.c for implementation changes from issue #66 2021-06-11 19:36:38 +00:00
GNUmakefile fix "make install" target 2021-12-22 14:35:21 +00:00
LICENSE move retro.muri source data into retro.muri; bump copyright year in license text 2022-01-04 12:05:47 +00:00
Makefile fix "make install" target 2021-12-22 14:35:21 +00:00
Makefile.python nga-python: add Makefile.python target to package, upload for pypi (#23) 2021-01-18 15:43:33 +00:00
ngaImage move retro.muri source data into retro.muri; bump copyright year in license text 2022-01-04 12:05:47 +00:00
README.md backport a:index from retro/napia (no longer needs to create a curry function when used) 2021-12-22 14:21:16 +00:00
RELEASE-NOTES backport a:index from retro/napia (no longer needs to create a curry function when used) 2021-12-22 14:21:16 +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