Gforth is the Forth implementation of the GNU project (Current release , have a look to the User Manual). Source distributions can be found. Gforth Manual. GNU GENERAL PUBLIC LICENSE · Preamble · TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION · How to Apply. Gforth Manual. Gforth is a free implementation of ANS Forth available on many personal machines. This manual corresponds to version
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At run-time requires libtool and gcc for the manuak C interface and gdb for the disassembler SEE on some platforms. Gforth now does not translate newlines to LFs on reading.
Bug fixes installation on big-endian machines sometimes did not work. You can use ” gforthmi –application Plugins to support some native code generation for PSC This goal is the most difficult one.
Added optional support for a C interface built on the ffcall libraries more portable and powerful than the old one, but still not documented.
It should not get the reputation of being exceptionally slow.
The single-step debugger works again in some engines. User input device redirection for filters is now possible. There are now two engines: Gforth can now deal well with broken pipes in most situations. It should be a model, i. New image file format.
There’s a mailing list around Gforth-related topics: User-visible changes between 0. Contributions of assemblers and disassemblers for other architectures are welcome.
Better support for m68k thanks to Andreas Schwab and Jorge Acereda. Bug fixes in particular, gforth Bug fixes Backported protection against glibc math functions clobbering TOS. Gforth-fast now uses static superinstructions some speedup on some platforms ; generally this is transparent apart from the speedupbut there are lots of command-line options for manuxl the static superinstruction generation.
Newlines on output are in the OSs favourite format. New flags –ignore-async-signals, –vm-commit default overcommit–print-sequences Forth x: Stdout is now unbuffered, if it is a tty.
Bug fixes Makefile fixes for installing. Long word names MB on bit systems are now supported change to the header format. Subscribe by filling out the Form here. Block files now start at block 0 by default instead of block 1. There’s an object oriented packagewritten in almost plain ANS Forth now part of Gforth’s distribution.
It should become standard, i. This can be split into several subgoals: The default path now has “. Read old postings in the list archive of the Gforth list. Gforth now produces a backtrace when catching an exception.
The disassembler DISCODE can now use gdb to disassemble code Uninitialized defered words now give a warning when executed Division is floored disable with “configure –enable-force-cdiv” Gforth not gforth-fast reports division by zero and overflow on division on all platforms.
Changed representation of types in struct package, and correspondingly changed names. Syntax of prim changed: Large file support on OSs that support them i. Various changes without log information only known as mega-patches. Cross compiler now also supports compilation only for undefined or forward referenced words. Missing ANS Forth words: Mailing List There’s a mailing list around Gforth-related topics: Default dictionary size is now 4MB.
New, changed, and removed gofrth Significant extensions to the manual added an introduction, among other thingsmany of them due to a new team member: It is possible to create executables that contain the image for non-OS systems.
Bug fixes amd64 gdb disassembler works with syntax change autodetected workaround for gcc 4. More files in the compat library.
New engine gforth-itc for dealing with some potential backwards-compatibility problems see “Direct or Indirect Threaded?