Changed license to CC0

[fifth.git] / doc / index.org

diff --git a/doc/index.org b/doc/index.org
index 6a0958e..a0f8319 100644 (file)
--- a/doc/index.org
+++ b/doc/index.org
@@ -1,28 +1,32 @@
 #+TITLE: Fifth - virtual machine, operating system, programming language
 
------
-- [[http://www2.svjatoslav.eu/gitweb/?p=fifth.git;a=snapshot;h=HEAD;sf=tgz][download latest snapshot]]
+* (document settings) :noexport:
+** use dark style for TWBS-HTML exporter
+#+HTML_HEAD: <link href="https://bootswatch.com/3/darkly/bootstrap.min.css" rel="stylesheet">
+#+HTML_HEAD: <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
+#+HTML_HEAD: <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.5/js/bootstrap.min.js"></script>
+#+HTML_HEAD: <style type="text/css">
+#+HTML_HEAD:   footer {background-color: #111 !important;}
+#+HTML_HEAD:   pre {background-color: #111; color: #ccc;}
+#+HTML_HEAD: </style>
+* General
 
-- This program is free software; you can redistribute it and/or modify it under
-  the terms of version 3 of the [[https://www.gnu.org/licenses/lgpl.html][GNU Lesser General Public License]] or later as
-  published by the Free Software Foundation.
+- This program is free software: released under Creative Commons Zero
+  (CC0) license
 
 - Program author:
   - Svjatoslav Agejenko
-  - Homepage: http://svjatoslav.eu
+  - Homepage: https://svjatoslav.eu
   - Email: mailto://svjatoslav@svjatoslav.eu
 
-- [[http://www.svjatoslav.eu/programs.jsp][other applications hosted at svjatoslav.eu]]
+- [[https://www.svjatoslav.eu/projects/][Other software projects hosted at svjatoslav.eu]]
+** Source code
+- [[https://www2.svjatoslav.eu/gitweb/?p=fifth.git;a=snapshot;h=HEAD;sf=tgz][Download latest snapshot in TAR GZ format]]
 
-* (document settings) :noexport:
-** use dark style for TWBS-HTML exporter
-#+HTML_HEAD: <link href="https://bootswatch.com/4/darkly/bootstrap.min.css" rel="stylesheet">
-#+HTML_HEAD: <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
-#+HTML_HEAD: <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.1/js/bootstrap.min.js"></script>"
-#+HTML_HEAD: <style type="text/css">
-#+HTML_HEAD:   footer {background-color: #111 !important;}
-#+HTML_HEAD:   pre {background-color: #111; color: #ccc;}
-#+HTML_HEAD: </style>
+- [[https://www2.svjatoslav.eu/gitweb/?p=fifth.git;a=summary][Browse Git repository online]]
+
+- Clone Git repository using command:
+  : git clone https://www2.svjatoslav.eu/git/fifth.git
 
 * !Project deprecated!
 Current implementation does not support object oriented
@@ -30,13 +34,13 @@ programming. While working on Fifth I got lots of cool new ideas that
 require reimplementation of everything.
 
 Currently I try to implement those new ideas in the project called
-[[http://www2.svjatoslav.eu/gitbrowse/sixth/doc/index.html][Sixth]]
+[[https://www3.svjatoslav.eu/projects/sixth/][Sixth]].
 
 System is built many years ago when I was still using DOS as a primary
 operating system.
 * Introduction
-Fifth is programming lanquage & operating system, running on [[emulator.html][virtual
-CPU]], with custom instruction set. It is much like Charles Chunk
+Fifth is programming lanquage & operating system, running on [[id:9b251eb9-aff6-4025-94bf-25e89e26d54a][virtual
+machine]], with custom instruction set. It is much like Charles Chunk
 Moore's Forth, it also uses stack architecture, and many commands are
 similar. Basically I got familiar with concepts of Forth, and being
 inspired created my own system.
@@ -60,8 +64,12 @@ somewhere in your hard disk. For example: C:\MISC\FIFTH\....  To run
 fifth you need minimally just 2 files.  emulator itself ( EMULATOR.EXE
 or EMULATOR.COM ), and virtual disk file ( DISK.RAW ).
 
-Read more about [[files.txt][distribution directory layout]]
+Read more about [[id:0759f3e0-28bb-4901-9e4f-09ef41732173][Fifth distribution directory tree description]].
+
 * Fifth distribution directory tree description
+:PROPERTIES:
+:ID:       0759f3e0-28bb-4901-9e4f-09ef41732173
+:END:
 After downloading and unpacking the ZIP file you shoud get directory
 tree similar to this:
 
@@ -175,6 +183,9 @@ run through headers backwards and find needed entry.
 | 200000h |        | core startup messages area  |
 | 5200000 |        | end of dynamic memory space |
 * Virtual machine
+:PROPERTIES:
+:ID:       9b251eb9-aff6-4025-94bf-25e89e26d54a
+:END:
 Using CPU emulator slows it down but I shouldn't now think too mutch
 about, and waste my time on batteling with problems whitch results on
 complex design of PC hardware. Also it allows me to use existing DOS