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Re: [Gm2] Problem with ReadCard
From: |
Martin Kalbfuß |
Subject: |
Re: [Gm2] Problem with ReadCard |
Date: |
Mon, 08 Mar 2010 20:02:44 +0100 |
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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>