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VolksForth X16 3.9.3

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VolksForth Readme

VolksForth is a 16bit Forth System produced by the German Forth Gesellschaft e.V.

The main repository lives here: https://github.com/forth-ev/VolksForth

Major development of this system was done between 1985 until 1989. The VolksForth Project was revived in 2005 with the goal to produce a managable Forthsystem for computer systems with restricted system resources.

Some modern Forth Systems were influenced by or were derived from VolksForth (GNU-Forth, bigForth).

The current Version of VolksForth is 3.81. Version 3.9.x will be interim versions on the way to sync all VolksForth targets and move towards compliance with the 2012 Forth standard.

Version 3.8.x is based on the Forth 83 standard, Version 4.00 will be based on the current 2012 Standard (https://forth-standard.org).

At this time VolksForth is available for this Systems:

  • VolksForth MS-DOS (Intel x86 architecture i8086/i186/i286/i386/i486 etc)
  • VolksForth 6502 (Commodore 64, Commodore Plus 4, Commander X16, Apple 1, Apple ][, Atari XL/XE)
  • VolksForth Z80 (CP/M, Schneider CPC)
  • VolksForth 68000 (Atari ST, Amiga with EmuTOS)



The VolksForth Sources are made available under the terms of the BSD Lizenz - http://www.opensource.org/licenses/bsd-license.php

The Handbook is Copyright (c) 1985 - 2020 Forth Gesellschaft e.V. ( Klaus Schleisiek, Ulrich Hoffmann, Bernd Pennemann, Georg Rehfeld, Dietrich Weineck, Carsten Strotmann).

(most of the Information is still in german. We are planning to provide future versions with englisch documentation)

Have fun with VolksForth the VolksForth Team

What's New in Version 3.9.3   See changelog


Main change of 3.9.3 is that it should work equally well on the current R38 ROM and emulator and on the coming R39.
Other changes:

  • Some code cleanup around moving word headers to the heap (needed by cc64).
  • load, thru, +load, +thru were removed from the v4th versions like the x16 version that don't have block/buffer disk access.

Changes in the previous version 3.9.2:

  • Zero page area used by v4th moved from $30-$5b to $50-$7b, inclusive, so that it now doesn't collide with the ROM version of X16Edit.
  • Some minor cleanups and bug fixes.






BSD 2-Clause "Simplified" License
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