AMOS (programming language)
| Paradigm | Imperative, Procedural |
|---|---|
| Developer | François Lionet and Constantin Sotiropoulos |
| First appeared | 1990 |
| Typing discipline | Static |
| OS | AmigaOS |
| License | BSD style license |
| Website | AMOS and STOS |
| Dialects | |
| AMOS, Easy AMOS, AMOS Professional | |
| Influenced by | |
| STOS BASIC | |
AMOS BASIC is a dialect of the BASIC programming language implemented on the Amiga computer. AMOS BASIC was published by Europress Software and originally written by François Lionet with Constantin Sotiropoulos.
AMOS is a descendant of STOS BASIC for the Atari ST. AMOS BASIC was first produced in 1990.
AMOS competed on the Amiga platform with Acid Software's Blitz BASIC. 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 version was interpreted which, whilst working fine, suffered the same disadvantage of any language being run interpretively. By all accounts, AMOS was extremely fast among interpreted languages. The language was fast enough that an extension called AMOS 3D could produce playable 3D games even on plain 7 MHz Amigas. Later, an AMOS compiler was developed that further increased speed.
AMOS could also include inline Assembly Language.
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. 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 IDE, ARexx support, a new UI API and new flow control constructs. Neither of these new versions was significantly more popular than the original AMOS.
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