Your BASIC interpreter fits in 48K. With room to spare.

On Tue, Sep 19, 2017 at 2:27 PM, Wolfgang Lenerz via Ql-Users <
ql-users@lists.q-v-d.com> wrote:

> Hi all,
>
> Just a rant about the SBasic AND operator.
>
> Suppose this:
>
> 10 a=0
> 20 b=10
> 30 if (a<>0 AND b/a=5)
> 40   do_something
> 50 end if
>
> Run it and what happens?
>
> You get an "overflow" error at line 30.
> You get this error because it is trying to evaluate the second condition
> (b/a) and failing as a=0 and you can't divide by 0.
>
> BUT WHY IS IT TRYING TO EVALUATE THE SECOND CONDITION IN THE FIRST PLACE?
>
> The first condition (a<>0) is NOT met and so, in any other programming
> language I use, the second condition isn't even tested, as the result will
> be "false" anyway because of this.
>
> Apparently though, Sbasic still also tests the second condition.
>
> Grrrr.
>
> Wolfgang
>
>
>
>
>
>
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>



-- 
Dave Park
d...@sinclairql.com
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