[Oberon] V24 interrupt driven

Sun Aug 11 17:14:09 CEST 2002

Pieter Muller <muller at inf.ethz.ch> wrote:
> > Support for 4 COM ports in Native Oberon is relatively recent.
> > According to http://www.oberon.ethz.ch/native/WebAlpha.html
> > André Fischer added this on 04.09.01.  His changes also allow
> > the port addresses to be configured arbitrarily.
> >
> > You could try fetching V24.Mod and ConfigV24.Mod from:
> >   ftp://ftp.inf.ethz.ch/pub/ETHOberon/Native/Update/Alpha/Source1.zip
> > and compiling them, but there might be complications due to new
> > interfaces that would be non-trivial to address.
> 

"Ghost in the Machine" <cangelich at famvid.com> wrote as a reply:
> 
> Question: Does André, or anyone, know of any reason why his Alpha
> V24.Mod would not work within the Native/Update/Beta 08.12.00 version
> of Oberon?

No reason. It works.
Installed mini Beta 08.12.00 version just from the Oberon-0 diskette. No more.
Borrowed two modules from Alpha (included here for convenience).

V24.Mod is the modified source.
ConfigV24.Mod is new and is needed for setting the IRQs and base addresses as needed by the HW.
More in the source text and in http://www.oberon.ethz.ch/ports.html

Compile the modules. No less and no more is required.
V24 is very low-level in the module hierarchy ( System.ShowModules ).
Rebooting required.

Use ConfigV24.GetIRQs (IRQs can cause problem, see http://www.oberon.ethz.ch/irqs.html )
and select a mouse with ConfigInput.SelectMouse

To the invitation to enter "1" or "2", one may enter "3" or "4" :-)

Tested with 5 mice: 1 PS2, LM1 on COM1, LM1 on COM2, LM3 on COM3, MS1 on COM4.
All 3-button mice. Fleemarket price: 1 Euro

Hint: The modules Input and ConfigInput import V24.
However, V24's interface is not altered, hence no need to recompile.

P.S.: Curious to know how to write André with a US KB and KB map?  ALT-' + e
Details in http://www.oberon.ethz.ch/keyboard.html

AsciiCoder.DecodeFiles % V24.Mod ConfigV24.Mod ~

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#
=======================

André Fischer     
ETH Oberon: http://www.oberon.ethz.ch
Bluebottle: http://bluebottle.ethz.ch
----
The speed increase of hardware is slower than the speed loss of software /
Die Hardware wird langsamer schneller als die Software langsamer. -  Martin Reiser