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 on: August 30, 2019, 02:41:17 AM 
Started by kevinhely - Last post by kevinhely

The following code:


  PROCEDURE Q; (*local*)
  END Q;

  PROCEDURE R; (*local*)
  END R;


is disallowed by the definition of Oberon07, that is, local procedure R cannot call local procedure Q, since the identifier Q is not local to R and not global. Is that correct? (The definition seems to suggest it is.)

 on: March 28, 2019, 09:36:02 PM 
Started by darek - Last post by sage
Thank you, Darek!
Especially, thanks for fast answer!  Wink
Nice to see that A2 community is still there  Grin
Actually, old credentials works fine.

 on: March 28, 2019, 09:03:44 PM 
Started by darek - Last post by darek
Hi Sage,
The repository is here:


you should ask Felix for new credentials. 


 on: March 28, 2019, 08:49:59 PM 
Started by darek - Last post by sage
Hi guys!
Who knows, where now SVN repository of A2 is located???
It seems https://svn.inf.ethz.ch/svn/lecturers/a2/trunk is not accessible now  Shocked

 on: March 09, 2019, 11:33:43 PM 
Started by darek - Last post by cfbsoftware
Yes - as recently as 7th March 2019 I saw this statement on the ETH Oberon Mailing list:

"After compiling in A2, ..."


There have been other posts related to A2 in recent times. I suggest you ask your question on that mailing list as well:



 on: March 09, 2019, 09:18:13 PM 
Started by darek - Last post by darek
Hi All,
  just curious if I am the only user of the A2 system outside the ETHZ?  

Are there any other souls using the system?


 on: February 26, 2017, 05:10:49 PM 
Started by peasthope - Last post by peasthope
Hello Guenter & others,

In LinuxAos 7086, the Oberon subsystem encounters a problem at Oberon.Init.

Screenshot at http://easthope.ca/LinuxAosOberon7086.png .

The transcript from the terminal  follows.  Rev.6518 and 6661 work without this fault.

Regards,                               ... Peter E.

[olpc@xo-53-1d-bb ~]$ ./myaos
WorkingVolume is GRNSDHC41.
WorkingDirectory is MY.
Copying Configuration.xo-53-1d-bb.XML to Configuration.XML.
Copying Oberon.xo-53-1d-bb.Text to Oberon.Text.
removed ‘AOS.03435.Log’
removed ‘.tmp.2.5343’
removed ‘.tmp.3.5343’
LinuxAos (rev.7086): Kernel: Initialized and started.
X11 Display depth = 24
Default font installedOpenType 0.45 BBPort /3.12.2004  eos, pl
WindowManager: 32-bit color
WindowManager: Display resolution: 1184x801x32
DisplayRefresher installed.
Autostart: executing FileTrapWriter.Install
Autostart: executing WMTrapWriter.Install
{P cpuid= 0, pid= 30 Events: System event log started.}
WMMacros: Macro file Macros.XML loaded.
Autostart: executing UpTime.Install
Uptime monitor started.
Autostart: executing SystemTools.CollectGarbage
Collecting garbage... done.
Autostart: executing FSTools.Mount 'Work Directory' RelativeFileSystem .
Work Directory: mounted
Autostart: executing FSTools.Mount 'Module Sources' RelativeFileSystem .aoshome/source
Module Sources: mounted
Autostart: executing FSTools.Mount 'Fonts' RelativeFileSystem .aoshome/fonts
Fonts: mounted
Autostart: executing StartMenu.Open
Autostart: executing SkinEngine.Unload
ZeroSkin already loaded
Autostart: executing WMRestorable.Load Auto.dsk
WMRestorable: Loading desktop from Auto.dsk...
Autostart: executing WMNavigate.Open -vs 1 0 0 Navigation:TaskList
Autostart: executing Oberon.Start Oberon 830x580 4 64 ~
{P cpuid= 0, pid= 51 ETH Oberon / LinuxAos (rev.7086)}
Oberon command 'System.Init' not found
Autostart: executing Clipboard.Install ~
{P cpuid= 0, pid= 55 X11 clipboard registered at host clipboard interface.}
{P cpuid= 0, pid= 57 X11 clipboard unregistered at host clipboard interface.}
{P cpuid= 0, pid= 57 Events: System event log shut down.}
{P cpuid= 0, pid= 57 Files: 39 open files}
Objects 70 discarded finalizers, 0 pending finalizers
WindowManager: Window manager closed
UnixFiles 41 discarded finalizers, 0 pending finalizers
[olpc@xo-53-1d-bb ~]$

 on: June 05, 2016, 12:54:16 AM 
Started by cfbsoftware - Last post by cfbsoftware
v6.0 of the Astrobe Oberon development system which allows you to develop embedded software for ARM Cortex-M3 and Cortex-M4 microcontrollers has now been released.

The latest (May 2016) revision of the Oberon language is fully supported and there is a new 'custom' linker feature that allows you to target microcontrollers other than NXP devices e.g. the STM32F100 used in the STM32 Discovery kit.

For more information see the announcement in the Astrobe Forum:


 on: May 20, 2016, 02:37:17 PM 
Started by BohdanT - Last post by BohdanT
Added Anti-aliasing drawing of graphics primitives
look AAGraphics.Mod

 on: May 20, 2016, 02:05:57 PM 
Started by BohdanT - Last post by BohdanT
Added HexEditor component & Example of it use.
MemPanel - Visual component

memPanel.SetLimit(ADDRESSOF(buf[0]), f.Length()) - set address and size of memory block
memPanel.hl - here list of changes

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