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Introduzione
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AROS Research Operating System è un sistema operativo per il desktop efficiente, leggero e facile da usare, pensato per rendere produttivo e piacevole l'uso del computer. È un progetto autonomo, libero e indipendente dalla piattaforma, pensato per essere compatibile con AmigaOS a livello di API (un po' come Wine, ma non come UAE), ma dotato di caratteristiche più avanzate. Il codice sorgente è distribuito con una licenza open source, che permette a chiunque di migliorarlo come crede.

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Distribuzioni

Le distribuzioni sono versioni di AROS controllate, pre-configurate e che includono diverse applicazioni utili che non vengono messe nei buìinari principali di Aros.org. Magari non avranno i file di sistema più recenti, ma la loro stabilità e semplicità d'uso è sicuramente maggiore di quella delle nightly build. Se siete semplicemente incuriositi da che cosa AROS può offrire, le distribuzioni sono fatte apposta per voi!

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Improvements in 2013

Author:Matthias Rustler, Staf Verhaegen, Neil Cafferkey
Date:2014-01-12

2013 was mainly a year of internal improvements and fixes to AROS, so there were fewer new bells and whistles added to it than in previous years. However, there were still a few notable components introduced that should be mentioned.

New C libraries

After a long journey a cleaned up and split C library was commited to the ABIv1 branch. Next to a clean up and some improved documentation, the main part of the patch is a split of the ANSI standard part from the POSIX part. This allows using standard C functions everywhere in AROS without having a POSIX emulation overhead added.

Raspberry Pi

In 2012 we reported that AROS was running on the Raspberry Pi, but hosted on top of Linux. In 2013 a native version of AROS for this compact and ubiquitous platform emerged, with support for USB, SD card and graphics (at least with the aid of the proprietary binary blob that Linux also relies upon).

Scalos ported

The Wanderer/Workbench replacement Scalos has been ported to AROS. Currently it is only available in nightly builds of ABIv1 of the i386 platform. Scalos can either be started like an application from Extras:Scalos or it can replace Wanderer by exchanging Wanderer:Wanderer by Scalos:Scalos EMU in S:Startup-Sequence.

Sound drivers

Three new drivers were added for VIA audio controllers, namely some of their Envy24, Envy24HT and AC97 chipsets. Compatibility of our HD Audio driver was also increased, and it now supports a wider range of controllers and codecs.

Miscellaneous

Lots of smaller improvements were also made, including bug fixes and refactoring to components such as ATA and SATA drivers, filesystems and partitioning, EFI support, and system shutdown. User interfaces received some attention too, with the Zune GUI system gradually becoming more complete, and new preferences utilities for GRUB and theming options.

AROS a Amiwest 2012

Author:Jason McMullan
Date:2012-11-02

Alla fiera di AmiWest 2012, Samuel Crow e Jason McMullan hanno mostrato AROS v1 girare su una scheda Sam460ex distribuita da ACube, così come una scheda FPGA Arcade Replay distribuita da FPGA Arcade, e una scheda Raspberry PI distruibito dalla Fondazione Raspberry PI.

Jason McMullan ha tenuto una presentazione di 20 minuti sulle origini e sui progressi di AROS, ed ha partecipato al gruppo di discussione sullo stato attuale e sui futuri sviluppi della famiglia di sistemi operativi Amiga.

Allo show sono stati distribuiti DVD della distribuzione Icaros (versione pc-i386, ABI v0) e di AROS Vision a tutti i visitatori.

Un altro anno (non solare)

Author:Neil Cafferkey
Date:2012-10-21

Un altro anno è passato, un altro anno di sviluppo anziché di pubblicazione di notizie, e quindi ecco un'altra selezione di punti salienti.

Nuovo web browser

L'usabilità di AROS nel quotidiano ha fatto un passo da gigante col porting di un moderno browser che supporti e rispetti gli standard moderni. Basato sul motore Webkit, Odyssey include un compilatore JIT Javascript, supporta la navigazione a schede, HTML5, CSS, SVG e protocollo SSL. E' anche ampiamente configurabile, con un'interfaccia utente che permette la gestione di segnalibri, cookies, blocco di determinati contenuti, storia del browsing dell'utente, gestione password e molto altro.

Supporto multipiattaforma

Il supporto all'architettura ARM è cresciuto ed è maturato, sono disponibili infatti build notturne di AROS (Linux-hosted). C'e' particolare interesse per questa architettura fra gli utenti per far girare AROS sul RaspberryPI, anche se per il momento non è disponibile un port nativo ma è AROS gira Linux-hosted.

Vi sono anche stati progressi sul fronte di altre piattaforme. La versione Windows-hosted è stata protagonista di un grande lavoro di bug-fixing ed è adesso molto più stabile, mentre la compatibilità con l'originale piattaforma Amiga (per quanto riguarda il software legacy) continua a migliorare.

Networking

Le reti wireless adesso sono supportate con l'arrivo di due nuovi driver compatibili con lo standard di criptazione WPA: uno per i dispositivi USB che incorporano il chipset Realtek RTL8187B, l'altro è una versione aggiornata del driver Prism-II che, per primo, ha portato il wireless su AROS nel 2005. E' stata altresì creata un'utility con interfaccia grafica che permette la scansione dinamica e la connessione a reti wireless.

Anche Il supporto alla banda larga via dispositivo mobile è maturato: è infatti molto più facile da configurare, ed è stato introdotto il supporto a ulteriori dispositivi USB e smartphone. Adesso AROS può montare volumi Samba (il protocollo utilizzato da Linux per utilizzare share di rete Windows), anche se al momento le funzionalità sono limitate a vecchie versioni di Windows, a Linux e dispositivi NAS autonomi.

Altri miglioramenti

E' stato introdotto un primo supporto alle stampanti in AROS. I componenti di questo nuovo framework includono uno strumento di configurazione da interfaccia grafica, un driver Postscript e molte utility tradizionali già presenti su AmigaOS come PrintFiles e GraphicDump. L'output può essere rediretto su USB, porta seriale o parallela oppure su file.

Il nostro driver per Intel GMA ha guadagnato il supporto 3D per alcune revisioni di tale chipset. Anche se l'hardware GMA è piuttosto limitato circa il 3D rispetto ad altre proposte di nVidia e ATI, molti vecchi giochi (molti dei quali recentemente convertiti su AROS) ne guadagnano. In questo anno è stato anche introdotto il supporto OpenGL per la grafica 3D per AROS Linux-hosted, con l'aggiornamento del driver nVidia.

La scelta dei driver audio si è espansa, con il supporto al chipset ES137x e CMI8738. Il primo è importante poiché fornisce il supporto audio per AROS quando eseguito in una macchina virtuale VMWare. Per il nostro driver HDAudio, infine, è stata migliorata la compatibilità sia nelle modalità riproduzione che registrazione.

Altri aspetti che hanno subito dei miglioramenti riguardano l'accesso ai dischi rigidi da parte di AROS. Abbiamo un driver AHCI che porta in dote il supporto ai dischi SATA, presenti su molte moderne macchine. In più, le normali partizioni Windows possono essere lette usando una versione preliminare di un driver NTFS; il supporto alle partizioni FAT è stato parimenti migliorato. La nuova versione del software libero Frying Pan (per masterizzare CD) è adesso parte integrante dei pacchetti standard di AROS.

Altri miglioramenti

La novità principale è stata l'introduzione di una nuova distribuzione di AROS compatibile con l'hardware originale AMIGA (processori MC680x0); si tratta di AROS Vision. Alla pari di AROS stesso, AROS Vision include una serie di applicazioni e di componenti di sistema di terze parti gratuiti e liberamente distribuibili.

Un'altra nuova incarnazione di AROS si chiama AEROS. L'obiettivo è quello di combinare le migliori funzionalità di AROS e di Linux integrandole in modo trasparente in un unico ambiente. Al momento AEROS supporta le architetture x86 e ARM.

A Year in Review

Author:Neil Cafferkey
Date:2011-07-03

Once again, the news has been long delayed, mainly because we've been too busy adding features and fixes to AROS. In fact, so much has happened in the last year that what follows is only a selection of highlights.

AROS 68k and other new platforms

An important new chapter has been opened in AROS's history with the development of a stand-alone AROS port for the original Amiga computers. This should also be of great interest to people using WinUAE to run old Amiga applications. Such is the level of compatibility, the AROS ROM image can even boot original Workbench disks as old as V1.3. This development will hopefully also lead to improved integration of original Amiga software into AROS on x86 platforms and elsewhere.

AROS's platform support has continued to diversify in other directions too. A Linux-hosted ARM port has emerged, and new hosted ports for Mac OS X support three different CPU architectures. And AROS may soon become even more portable with the recent development of new iOS and Android ports.

Graphics

On the PC-compatible/x86 front, a lot has been happening too, particularly in the area of graphics. The Intel GMA graphics driver has been extended to support a wider variety of chipsets, and also now works with laptop LCD displays as well as external monitors. The Nouveau and Gallium based driver for nVidia graphics cards has been improved too: as well as increasing its speed and hardware support, it has also become the first driver with hardware-accelerated alpha-blending operations.

A notable graphics feature from our Amiga heritage has also been introduced to AROS: most native graphics drivers now support screen dragging and scrolling. These include our drivers for nVidia and Intel GMA chipsets, as well as the generic VESA driver.

Apart from the graphics drivers, AROS also received some additional graphics libraries: egl.library and openvg.library. The first provides portable GL initialisation and window management interfaces, while the second is a vector graphics library accelerated using Gallium. Our port of the SDL library has become more polished too, with improvements to features such as SDL-to-GL integration, leading to a more enjoyable gaming experience.

Wireless networking

Two significant milestones in network support for laptops have been reached. Firstly, a modern and secure wireless networking stack has been added to AROS. The first driver to use this infrastructure supports many popular cards with Atheros chipsets. Secondly, support has been added for a wide variety of mobile broadband USB devices.

Other improvements

Debugging support and error reporting have been improved. Misuse and mismanagement of memory and other resources by applications is now more easily detected, and error reports now include stack traces showing where the error occurred.

A lot of fine tuning and ease-of-use improvements have been made to various components. The FAT filesystem handler has received a number of important bug fixes. Native graphics drivers are now typically activated automatically for detected graphics cards, and the AC97 and HDAudio sound drivers usually need no manual configuration before use. And at last, AROS is no longer stuck with one unchangeable mouse pointer: the standard pointer to use can be chosen in a new pointer preferences program, and applications can change the pointer to suit different situations. The AROS shell has become more sophisticated, and now has a scrollable output history, as well as support for more modes and some bug fixes. AROS's handling of GUI themes has also become significantly faster. Finally, another piece of the backwards-compatibility jigsaw has been filled following the transformation of Regina into a much more complete ARexx clone.

Wider developments

AROS now has a third distribution available in addition to the regularly updated Icaros Desktop and AROS Broadway. The new AspireOS distribution is aimed mainly at the Acer Aspire One 110 and 150 netbooks, but may also be interesting to users of other PCs looking for a lightweight distribution.

Many applications and games have been added to AROS's software selection in recent months. Some application highlights include AmiFig, Protrekkr and Open Universe. 3D games such as Cube, AssaultCube and Super Tux Kart (with a popular kitty car!) put AROS's 3D graphics enhancements to good use, while many 2D games such as Giana's Return and Mega Mario have also arrived. We have added a number of emulators too to allow even more retro gaming fun to be had.

Status update

Author:Paolo Besser
Date:2010-06-17

Latest updates

Many things happened since the latest status update.

Michal Schulz developed the GMA950 hidd, so AROS can now use 2D native functions of the latest GPUs from Intel. This will be really handy for people using Stephen Jones' iMica systems and netbooks like the Acer Aspire One A150.

Krzysztof "Deadwood" Smiechowicz has gone really far with his Gallium3D port to AROS: he has now integrated 2D and 3D accelerated functions in a single driver called Nouveau, which supports 2D acceleration for almost all GeForce GPUs starting from the ancient GeForce 2 cards until the recent GTX 200 series. 3D functions, however, are available only to GeForce FX (5x00), cards and upwards. Some models and GPUs might not be supported yet. Users of Nvidia cards may now regularily use this driver, instead of the old Nvidia one. This will also help Krzysztof fixing it, as it is still work-in-progress. Please refer to this AROS-EXEC topic to help him spotting and fixing bug (and please remember he's not directly responsible for driver quality: he's just adapting and porting to AROS what has been done by Nouveau/Gallium team).

Pavel Fedin is reworking our graphics subsystem, cleaning it up and making it behave like the original Amiga one: the day we won't need anymore to enter driver names in GRUB boot lines is approaching. Some drivers can now be mounted moving them in the Monitors directory (like on AmigaOS), while others not yet. But he's still working on it. Pavel is also fixing linux framebuffer driver and his Win32-hosted version of AROS, which can now move screens like classic Amigas.

Neil Cafferkey has vastly improved our support to FAT partitions, and also made AROS installable on USB pendrives (and bootable from them). This means that regular nightly builds, but also Icaros Destop version 1.2.2 can now be installed on netbooks and other USB-bootable systems using a memory stick instead of a DVD. Paolo Besser has written a complete how-to in PDF format, and placed it on the Icaros website.

Pascal Papara has brought us a brand new distribution called Broadway, which is targeted to attract also people never involved with Amiga computers, and include a stripped down version of the incoming AMC, the first media-center environment based on AmigaOS-like systems. Broadway is not complete yet, but a nice preview version can be downloaded from its website.

Steve "ClusterUK" Jones has announced a new silent version of his iMica line of computers. This Atom-based system will be as performing as the old one, but it will also run completely fanless. We also have to thank Steve for his funding efforts: after paying Davy Wentzler for his useful AHI HDAudio drivers, he also financed the port of the Catweasel MKIV controller drivers and the development of Michal's GMA driver.

Good news for ACube's SAM440EP users too: since April 14th, AROS nightlies are available also for this nice PPC platform, which is still actively mantained. Michal Shulz has also recently brought a EFIKA version of AROS too.

Nick "Kalamatee" Andrews has slightly improved Wanderer and some long- running bugs have been fixed. AROS won't nest directories recursively anymore, when a drawer is placed into its own window by mistake, and AROS desktop can now be populated using the leave out/put away options, which are now finally enabled. He is also working on icon and list view: files can now be listed by details and sorted as you prefer.

There are also many small and big enhancements ongoing "under the hood" and coming from third party software developers, but they are simply too much to be mentioned here. We apologize with them, but we'd also like to say a big "thank you!" to anyone helping us in any way, porting applications, creating new ones, writing documentation and/or just evangelizing AROS inside and outside the Amiga community.


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