[Oberon] Negative integer literals in Oberon

[Jörg]

Another proof that Oberon can be used for low level programming IF the compiler support is good enough.

In case it is not sufficiently convenient, invent a special “Oberon” dialect.

Creating dialects has pros and cons.

Jörg

 

Von: Oberon <oberon-bounces at lists.inf.ethz.ch> im Auftrag von Nemo Nusquam <cym224 at gmail.com>
Antworten an: ETH Oberon and related systems <oberon at lists.inf.ethz.ch>
Datum: Dienstag, 28. April 2020 um 17:13
An: <oberon at lists.inf.ethz.ch>
Betreff: Re: [Oberon] Negative integer literals in Oberon

 

On 04/28/20 10:03, Skulski, Wojciech wrote (in part):
> Not quite so if you are serving some hardware.

Speaking of h/w and f/w, was the model helicopter flight control ever ported to Oberon-07?  

In Niklaus Wirth, "A Computer System for Model Helicopter Flight Control", Technical Memo Nr. 6: The Oberon Compiler for the 
Strong-ARM Processor, 1999, we find the following in the conclusion.

An important advantage of designing one's own compiler is that specific, perhaps machine−dependent facilities can easily be incorporated. Such facilities are required if, for example, specific resources must be accessible, such as processor status register, memory management registers, or device interfaces. This is typically the case for embedded applications, which also require a predictable performance for real−time sensing and control. 

N.


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