[Color Computer] [Coco] Bug in FOR NEXT ?

[Rod Barnhart]

It makes perfect sense that the Basic for-next works the same as the C for
does, but in all my years of programming, I don't think I've ever been
taught or come across that. I guess you can teach an old programmer new
tricks.

Rod


On 6/1/06, William Astle <lost at l-w.ca> wrote:
>
> James Diffendaffer wrote:
> > Congratulations... you just discovered the most common test question
> > from any BASIC programming class.
> > It would list a program like that and ask what the output was.
> > In other words... that's not unique to the Coco.
>
> As a matter of fact, it's not unique to Basic either. Consider the
> following C code:
>
> int x;
> for (x = 1; x <= 10; x++) { /* do something */ }
> printf("%d\n", x);
>
> BTW, that's equivalent to:
>
> FOR X=1 TO 10
> REM do something
> NEXT X
> PRINT X
>
> And, in fact, the two bits of code above will both print "11".
>
> >
> >> I can't believe that after +20 years with the CoCo I never got into
> >> this... weird.
> >> Thanks
> >>
> >>
> >> Benoit Bleau wrote:
> >>
> >>> Diego,
> >>> That's not a bug... In (at least the coco) basic, the "for-next"
> >>> variable  contains +1 at the end of the loop.
> >>> Try this:
> >>> 10 FOR A=1 to 10: NEXT
> >>> 20 PRINT A
> >>>
> >>> This should print 11.
> >
> >
> >
> >
> >
> >
> >
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>
> --
> William Astle
> finger lost at l-w.ca for further information
>
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-- 
Rod Barnhart aka Wintermute (http://www.nitemarecafe.com)

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