Re: [Gm2] Problem with ReadCard

[Martin Kalbfuß]

Hi Andreas,

The first number is the user input. The second, the output of the read
number.

The Program stops when ReadCard is called, and wait's for input. I then
enter a number an press Return. The read number is not the one I
entered.



Am Montag, den 08.03.2010, 19:46 +0100 schrieb Fischlin Andreas:
> Sorry Martin,
> 
> Do not understand your question. What does ReadCard really read? Does it read 
> 1 and then WriteCard writes 49 (instead of 1) and in a 2nd execution test 
> reads 2 and outputs 50 (instead of 2)? Or do you call module test twice, i.e. 
> it reads 1 and 49 and then WriteCard writes first 2 (instead of 1) and then 
> 50 (instead of 49). Sorry, dont' get it what you are doing.
> 
> Regards,
> Andreas
>  
> 
> On 08/Mar/2010, at 18:17 , Martin Kalbfuß wrote:
> 
> > Hi,
> > 
> > MODULE test;
> > 
> > VAR n : CARDINAL; 
> > 
> > BEGIN
> > 
> > ReadCard(n);
> > WriteCard(n, 1);
> > WriteLn();
> > 
> > END test.
> > 
> > gives for example
> > 
> > 1
> > 49
> > 
> > or
> > 
> > 2
> > 50
> > 
> > where the first is the repeated, input. What's wrong here?
> > Many thanks,
> > 
> > Martin
> > 
> > 
> > 
> > 
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