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`!AMOS BASIC`! is a dialect of the `F33f`_`[BASIC`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BASIC]`_`f `F33f`_`[programming language`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Programming_language]`_`f for the `F33f`_`[Amiga`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Amiga]`_`f computer. Following on from the successful `F33f`_`[STOS BASIC`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=STOS_BASIC]`_`f for the `F33f`_`[Atari ST`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Atari_ST]`_`f, AMOS BASIC was written for the Amiga by `F33f`_`[François Lionet`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=François_Lionet]`_`f with `F33f`_`[Constantin Sotiropoulos`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Constantin_Sotiropoulos]`_`f and published by `F33f`_`[Europress Software`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Europress_Software]`_`f in 1990.

The language was notable for its focus on media and game development capabilities, allowing users to easily create demanding multimedia software and games. It featured full structured code and numerous high-level functions for loading and manipulating images, animations, and sounds. These capabilities made it a popular choice among Amiga enthusiasts, particularly beginners, for creating video games (especially `F33f`_`[platformers`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Platformer]`_`f and graphical adventures), multimedia applications, and educational software.

>>Contents

• `F0af`_`[History`#history]`_`f

• `F0af`_`[Software`#software]`_`f

• `F0af`_`[References`#references]`_`f

• `F0af`_`[External links`#external-links]`_`f

-─

>>History

AMOS competed on the Amiga platform with Acid Software's `F33f`_`[Blitz BASIC`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Blitz_BASIC]`_`f. Both BASICs differed from other dialects on different platforms, in that they allowed the easy creation of fairly demanding multimedia software, with full structured code and many high-level functions to load images, animations, sounds and display them in various ways.

The original AMOS was a `F33f`_`[BASIC interpreter`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BASIC_interpreter]`_`f which, whilst working fine, suffered the same disadvantages of any language being run `F33f`_`[interpretively`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Interpreter_(computing)]`_`f. By all accounts, AMOS was extremely fast among interpreted languages, being speedy enough that an extension called AMOS 3D could produce playable 3D games even on plain 7 MHz 68000 Amigas. Later, an AMOS `F33f`_`[compiler`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Compiler]`_`f was developed that further increased speed. AMOS could also run `F33f`_`[MC68000`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=MC68000]`_`f machine code, loaded into a program's memory banks.`:cite-ref-1[`F5bf`_`[1`#cite-note-1]`_`f]

To simplify animation of sprites, AMOS included the AMOS Animation Language (AMAL), a compiled sprite scripting language which runs independently of the main AMOS BASIC program.`:cite-ref-2[`F5bf`_`[2`#cite-note-2]`_`f] It was also possible to control screen and "rainbow" effects using AMAL scripts. AMAL scripts in effect created CopperLists, small routines executed by the Amiga's Agnus chip.

After the original version of AMOS, Europress released a compiler (`!AMOS Compiler`!), and two other versions of the language: `!Easy AMOS`!, a simpler version for beginners, and `!AMOS Professional`!, a more advanced version with added features, such as a better `F33f`_`[integrated development environment`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Integrated_development_environment]`_`f, `F33f`_`[ARexx`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=ARexx]`_`f support, a new `F33f`_`[user interface`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=User_interface]`_`f API and new `F33f`_`[flow control constructs`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Control_flow]`_`f. Neither of these new versions was significantly more popular than the original AMOS.

AMOS was used mostly to make multimedia software, `F33f`_`[video games`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Video_game]`_`f (platformers and graphical adventures) and educational software.

The language was mildly successful within the Amiga community. Its ease of use made it especially attractive to beginners.

One of AMOS BASIC's disadvantages, stemming from its `F33f`_`[Atari ST`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Atari_ST]`_`f lineage, was its incompatibility with the Amiga's `F33f`_`[operating system`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=AmigaOS]`_`f functions and interfaces. Instead, AMOS BASIC controlled the computer directly, which caused programs written in it to have a non-standard user interface, and also caused compatibility problems with newer versions of hardware.

Today, the language has declined in popularity along with the Amiga computer for which it was written. Despite this, a small community of enthusiasts are still using it. The `F33f`_`[source code`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Source_code]`_`f to AMOS was released around 2001 under a `F33f`_`[BSD style license`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BSD_licenses]`_`f by `F33f`_`[Clickteam`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Clickteam]`_`f, a company that includes the original programmer.`:cite-ref-3[`F5bf`_`[3`#cite-note-3]`_`f]`:cite-ref-4[`F5bf`_`[4`#cite-note-4]`_`f]

>>Software

Software written using AMOS BASIC includes:

• `*AQUABYSS`* by `*Aged Code`*, is a 2022 `F33f`_`[strategy`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Strategy_video_game]`_`f trading game for the `F33f`_`[Amiga`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Amiga]`_`f`:cite-ref-5[`F5bf`_`[5`#cite-note-5]`_`f]

• `*`F33f`_`[Miggybyte`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Miggybyte]`_`f`*

• `*`F33f`_`[Scorched Tanks`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Scorched_Tanks]`_`f`*

• Games by `F33f`_`[Vulcan Software`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Vulcan_Software]`_`f, amongst which was the `*`F33f`_`[Valhalla`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Valhalla:_Before_the_War]`_`f`* trilogy

• Amiga version of `*`F33f`_`[Ultimate Domain`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Ultimate_Domain]`_`f`* (called `*Genesia`*) by `F33f`_`[Microïds`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Microïds]`_`f

• `*`F33f`_`[Flight of the Amazon Queen`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Flight_of_the_Amazon_Queen]`_`f`*, by Interactive Binary Illusions`:cite-ref-6[`F5bf`_`[6`#cite-note-6]`_`f]

• `*Extreme Violence`*, included on an `*`F33f`_`[Amiga Power`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Amiga_Power]`_`f`* cover disk

• `*`F33f`_`[Jetstrike`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Jetstrike]`_`f`*, a commercial game by Rasputin Software

• `*Black Dawn`*, a 1993 game for the `F33f`_`[Amiga`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Amiga]`_`f personal computer`:cite-ref-7[`F5bf`_`[7`#cite-note-7]`_`f]

>>References

`:cite-note-1`!1.`! `F0af`_`[↑`#cite-ref-1]`_`f The Creator, by François Lionet, 1990, `*"AMOS Basic includes special facilities which allow you to combine assembly language routines with your Basic programs."`*

`:cite-note-2`!2.`! `F0af`_`[↑`#cite-ref-2]`_`f "Computers". Archived from the original on 2010-12-08. Retrieved 2010-11-22.

`:cite-note-3`!3.`! `F0af`_`[↑`#cite-ref-3]`_`f "Amos & Stos » Main Download". Archived from the original on 2007-11-30.

`:cite-note-4`!4.`! `F0af`_`[↑`#cite-ref-4]`_`f `:citereflionet2020`aLionet, François (2020-04-26). "AOZ-Studio/AMOS-Professional-Official: The official source code of AMOS Professional on the Amiga". `*GitHub`*. Retrieved 2024-11-29 – via AOZ Studio.

`:cite-note-5`!5.`! `F0af`_`[↑`#cite-ref-5]`_`f "AQUABYSS (2022) at LemonAmiga.com". Retrieved 8 August 2024.

`:cite-note-6`!6.`! `F0af`_`[↑`#cite-ref-6]`_`f "Making of Flight of the Amazon Queen: A 20th Anniversary Retrospective". `*`F33f`_`[Gamasutra`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Gamasutra]`_`f`*. June 2015. Archived from the original on June 2, 2015. Retrieved 1 January 2016.

`:cite-note-7`!7.`! `F0af`_`[↑`#cite-ref-7]`_`f "Game 487: Black Dawn (1993)". March 2023. Retrieved 1 March 2023.

>>External links

Wikiversity has learning resources about

AMOS programming language

• Source code for AMOS and STOS

• The AMOS Factory (an AMOS support/community site)

• History of STOS and AMOS: how they came to be published in the UK

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