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All releases of 4tH compiler

  •  23 Feb 2014 15:05
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    Release Notes: Support for quotations was added. The library files now support coroutines, HTML generation, Adler32, MD5, and SHA-1/256 checksum routines, and several new randomizers. ANS Forth conversion and library specific support in the preprocessor were moved to preprocessor libraries; most don't use any registers. The object orientation method definition and closures syntax has been cleaned up. The preprocessor has been vastly enhanced, supports symbol definition and verbose options, and you can execute, save, or generate C source without calling 4th separately. A tiny Web server was added to the examples.

    •  25 Sep 2013 15:25
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      Release Notes: The words ':TOKEN' and 'EQUATES' have been added. The library files now support virtual memory, simple garbage collection, RfC 4180-compliant parsing, SEDOL numbers, Chi square calculations, runtime macros, and several new sorting routines. Several new date and time parsing functions were added. Several beta- and gamma-related functions were added to the floating point library. The preprocessor now supports division and modulo with the new @divrm function. Lots of bugfixes were made.

      •  23 Dec 2012 13:07
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        Release Notes: The library files now support logfiles, automated date parsing, LZ77 file compression and CSV file creation. The last defined word can be compiled anonymously. Object orientation now supports regular methods. The Sourceforge "Block reserved extension words" were added. New peephole optimizers were added to the compiler, allowing automatic compile time calculations. exec_4th() can be optimized for GCC by using the compiler switch -DUSEGCCGOTO. The word 'SMOVE' was added.

        •  08 Aug 2012 16:05
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          Release Notes: The library files now support FCEIL, KEY, KEY?, SUBSTITUTE, REPLACES, UNESCAPE, counted strings, 'Q' function, Catalan numbers, Riemann zeta, spell distance, new graphics functions and frexp(), and ldexp() like words. A new implementation of the ANS MEMORY wordset was added. New preprocessor words were added like FFIELD:, @eval, @mul, @minus and @sign. Stack usage of the preprocessor was significantly reduced. New preprocessor libraries add support for object orientated programming. The speed and accuracy of the FSIN, FCOS, FTAN, FEXP, FLN, and FLOG words was improved. Several minor bugfixes.

          •  30 Mar 2012 13:45
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            Release Notes: The library files now support stem-leaf plots, finite difference, compass boxing, HTML and XML character entities, Hamming (7,4) codes, Base64 conversion, FEXPM1, and FLNP1. Preprocessor macros can be undefined with the 'SCRAP:' keyword, and simple flow control was added. PAD size is increased to 768 characters to make pictured numeric output 64-bit compliant. The accuracy of FSINH, FCOSH, FTANH, FASIN, FACOS, and FATAN was significantly improved. The words '[ELSE]' and '[IGNORE]' have been added. Coherent 4.2.x and Android 3.x ports are now available.

            •  11 Dec 2011 14:15
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              Release Notes: Unions and pragmas can be defined. The library files now support several polynomials, RAM disks, menus, bitfields, bit arrays, several new sorting algorithms, Morse signs, and 3VL. The preprocessor was enhanced, supporting S\", token concatenation, string comparison, variable assignment, and smart double number/FP literals. 'DOES>' can be used to change the execution semantics of basic data types. A bug in the Linux Makefile was fixed. Overflow and underflow errors in number conversion were fixed. A bug in the 'IF' statement of 4tsh was fixed. The accuracy of the 'FERF' words was improved.

              •  19 Aug 2011 16:17
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                Release Notes: Specific code can be executed after a failed 'WHILE' just before exiting the loop. Binary strings can be tagged individually. The library files now support UTF-8 to GBK/2 conversion (and vice versa), infix formula translation, string pattern matching, finite state machines, statistical functions, enhanced command line parsing and the full range of ANS Forth floating point words for ZEN float. The preprocessor now supports string parsing with custom delimiters, macros within macros, and a string stack. A Markov engine and an infix-to-postfix converter were added to the examples.

                •  10 Apr 2011 13:44
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                  Release Notes: A peephole optimizer was added. The library files now support a tiny database management system, double number multiplication, double number division, LaTeX file generation, and the XCHAR wordset. SEEK can now be used to reposition the file to the end. The words 2NIP and [FORCE] were added. Several obscure bugs were fixed. Support for 64-bit architectures was greatly improved. On Linux, compilation is now staged. A nuclear test simulation was added to the preprocessor examples.

                  •  18 Sep 2010 22:53
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                    Release Notes: The words ’DELETE-FILE’ and ’ENVIRON@’ have been added. The library files now support writing OpenOf?ce, KOf?ce, and Microsoft XML spreadsheets, different sorting algorithms, the creation of ?oating point interpreters, GTK-server, Forth compatible ?oating point I/O for ZEN ?oat, portable bitmap graphics and Turtle graphics. Files can now be deleted and environment variables can be queried. The maximum symbol length is increased to 23 characters. Two tiny spreadsheet programs were added to the examples.

                    •  23 Mar 2010 06:37
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                      Release Notes: The performance of several bytecodes was improved. 'AKA' was enhanced. 'FIELD:' was added. The preprocessor now supports blockfiles, parameters, ANS Forth structures, and 'SYNONYM'. The memory allocation and 'PARSE-NAME' libraries were rewritten. Several new libraries were added, including Soundex support and ARC4 and TEAN encryption. A TinyC interpreter was added to the examples.

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