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104 lines
3.1 KiB
Markdown
104 lines
3.1 KiB
Markdown
### 𝓥ishap Ѵishap Ꮙishap Oberon
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Oberon is both a computer language, an operating system and a graphical
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user interface. Originally designed and implemented by by Niklaus Wirth and
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Jürg Gutknecht at ETH Zürich in the late 1980s, it demonstrates that the
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fundamentals of a modern OS and GUI can be implemented in clean and simple code
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orders of magnitude smaller than found in contemporary systems.
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[𝓥ishap ⱱishap Ꮙishap Oberon](http://oberon.vishap.am) is a free and open source (GPLv3)
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implementation of the Oberon-2 language compiler and libraries for use on
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current operating systems such as Linux, BSD, Android, Mac and Windows.
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The Oberon language is the logical evolution of the Pascal and Modula languages,
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following the principals of Einstein and Antoine de Saint-Exupéry:
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> Make it as simple as possible, but not simpler. (A. Einstein)
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> Perfection is finally attained not when there is no longer anything to add, but
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> when there is no longer anything to take away. (Antoine de Saint-Exupéry,
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> Terre des Hommes, 1939, translated by Lewis Galantière.)
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#### Licensing
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Vishap Oberon's frontend and C backend engine is a fork of Josef Templ’s Ofront, which has been released
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under the FreeBSD License. Unlike Ofront, Vishap Oberon does not include the Oberon v4 environment.
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The Ulm Oberon Library and the Ooc libraries are distributed under GPL. Proprietry code
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using these libraries may not be statically linked.
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Voc tools are distributed under GPLv3.
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Most of the runtime in libVishapOberon is distributed under GPLv3 with runtime exception.
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#### Platform support
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Vishap Oberon supports 32 and 64 bit little-endian architectures including Intel x86 and x64, arm and ppc.
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It compiles under gcc, clang and Microsoft Visual C.
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Installation supports GNU/Linux, MAC OSX, BSD and Windows (native and cygwin).
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#### Language support
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Vishap Oberon supports the Oberon 2 programming language, including type-bound procedures.
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It can also compile programs written to the Oberon07 report.
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#### Libraries
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Vishap Oberon comes with libraries easing the porting of code from the major
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Oberon systems:
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- Oberon V4 and S3 compatible library set.
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- ooc (optimizing oberon-2 compiler) library port.
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- Ulm’s Oberon system library port.
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Some other freely redistributable libraries are available as a part of voc distribution.
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#### Features
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See [Features](/doc/Features.md).
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#### Installation
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See [Installation](/doc/Installation.md).
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#### Compiling Oberon modules
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See [Compiling](/doc/Compiling.md).
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#### Porting to new platforms
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See [Porting](/doc/Porting.md).
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#### History
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See [History](/doc/History.md).
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#### Roadmap
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See [Roadmap](/doc/Roadmap.md).
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#### Contributors
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Originally developed as a cross platform implementation of the
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Oberon system by Joseph Templ.
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Updated for 64 bit support, refactored as a standalone compiler and brought
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to new platforms by Norayr Chilingarian.
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Build process simplified for more platform support and bugs fixed by David
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C W Brown.
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#### Origin of the name Vishap
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#### To be left out?
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Work on other compatibility layers is in progress.
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voc team also works on bindings to existing C/Pascal libraries.
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