OpenEuphoria

Re: Coming From QBasic

• Posted by "Lynn Kilroy" <leks_transportation at hotmail.com> Jan 17, 2006
• 544 views

How would I know something was declared at the right time in the include=

file?  I've looked in those files, and the subroutines, AKA procedures, wer=
e
in apparently random order.  What's more, the code doesn't look as neat as=

it could to me.  Mebbe I'm just a finiky coder.  For example, in my
Graphics.E file, there appears to me some variable definitions {a def type=

statement, I think} near the bottom of the file.  Is this a normal
procedure?  Or is it a sign that the file is corrupted?

Love & Friendship & Blessed Be!
Lynn Erika Kilroy


>From: don cole <guest at RapidEuphoria.com>
>Reply-To: EUforum at topica.com
>To: EUforum at topica.com
>Subject: Re: Coming From QBasic
>Date: Mon, 16 Jan 2006 08:59:16 -0800
>
>
>posted by: don cole <doncole at pacbell.net>
>
>Lynn Kilroy wrote:
> >
> > Does the Global function thingy have to be included in the main body of=

>the=
> >
>
>Not necessarly but it has to be declared before it is called.
>
> > code, even if the function is in an included file?  And how about the
> > subroutines?  How do I call them?
> >
> > Love & Friendship & Blessed Be!
> > Lynn Erika Kilroy
>
>Don Cole
> >
> >
> > >From: "D. Newhall" <guest at RapidEuphoria.com>
> > >Reply-To: EUforum at topica.com
> > >To: EUforum at topica.com
> > >Subject: Re: Coming From QBasic
> > >Date: Sat, 14 Jan 2006 14:34:21 -0800
> > >
> > >
> > >posted by: D. Newhall <derek_newhall at yahoo.com>
> > >
> > >Lynn Kilroy wrote:
> > > >
> > > > My biggest curiousity is how do I get it to use subs in Included=

>files?=
> >
> > > > I type the include file line.  It accepts that fine.  Then I try to=

>get=
> >
> > > > it to do the screen mode thing, and that it doesn't seem to do so=

>well.=
> >
> > > > Also, if it's a one-line sub, perhaps I can just plug the line in t=
o
>my=
> >
> > > > code without the rest of the sub?  One line subs only make sense to=

>me
> > > > if they are a sub that's called often and by many different
>routines,
> > > > and I want it to look purdy instead of using the languages default
> > > > command synstax.  An example from QBasic is my Inkey routine.  It's=

>cal=
> > l
> > > > is purdy simple:
> > >(snip)
> > >
> > >To move stuff between includes you need to declare it as global like=

>so:
> > >
> > >global integer index
> > >
> > >global function do_stuff()
> > >     ...
> > >end function
> > >
> > >it also has to be declared as such before you use it no matter which=

>file=
> >
> > >it is in.
> > >
> > >However, there is no call-by-reference in Euphoria so certain things=

>like=
> >
> > >the inkey example will not work (I think my QB is rusty). Stuff like=

>"Inpu=
> > t
> > >ans$" would be used in Euphoria as "ans = input()".
> > >
> > >There's also a QBasic to Euphoria translator in the Archive.
> > >=20=20
> > ><a=20
>href="http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=on=
&lnx=o=">http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=
=on&lnx=o=</a>
> > n&gen=on&keywords=qbasic
> > >
> > >
> > > > Speaking of Screen Modes, one of my programs uses a Screen Mode
>about
> > > > which I can find no information in Euphoria Documentation available=

>to
> > > > me.  I use the QBASIC command
> > >(snip)
> > >
> > >Check the documnetation on graphics ans sound and the graphics.e
>include=
> >
> > >file. I think the routines you want are graphics_mode() and/or
> > >video_config().
> > >
> > > > Basically, what I'm looking for is something with the flexibility=

>and
> > > > ease of use of QBasic but for more modern programming environments.=

> > > > Euphoria looks like it might be able to fill the bill, but first, I=

>hav=
> > e
> > > > to understand the very basic differences between it and QB.  I don'=
t
> > > > mean the technical stuff like variable groups and nests and stuff=

>{all
> > > > that's kind of neat, though, and part of my attraction to the
>language}=
> > ,
> > > > but the basic syntax and use of the language, and perhaps help in
> > > > handling graphics with the simplicity of QB, but without all the=

>bugger=
> > y
> > > > errors.
> > >
> > >Euphoria is certainly a good replacement (I use in place of all the=

>stuff =
> > I
> > >used QBasic for both professionally and privately). However, certain=

>thing=
> > s
> > >aren't as easy but in the long run are more powerful and flexible (I
> > >think). Also, Euphoria is constantly improved and MUCH faster than
>QBasic=
> >
> > >(the Euphoria interpreter beats some compiled QBasic programs).
> > >
> > >
> > > > Another thing ...  I have a QB Compiler.  From what I saw in the
> > > > documentations, there is no Euphoria Compiler.  This is something o=
f
>a
> > > > drawback to me.  I can purchase a Euphoria binder program, I can=

>even
> > > > purchase a Euphoria to C translater.  But no Euphoria direct to
> > > > Executable Compiler.  I imagine this is not a problem with Linux,=

>but
> > > > with Windows, it becomes a problem that is really quite large.  Fro=
m
> > > > what I can see, there are no free c compilers for Windows.  This=

>means
> > > > that no matter the cost of the binder and translator, the overall=

>cost
> > > > of Euphoria for the programmer is still prohibitively expensive.=
=20=20
>Sure,=
> >
> > > > QB is old, and yes, it's very limited.  But at least I can
>distribute m=
> > y
> > > > QBasic Programs in such a format that people don't have to download=

>a Q=
> > B
> > > > interpreter to use them, or, worse, purchase a $500.00 program in=

>order=
> >
> > > > to compile it and use it.  Nor do I have to risk the uncredited
>theft m=
> > y
> > > > source code {which I make available under GPL, but still, the
>compiled
> > > > version preserves my status as original author on the original
>code}.
> > >
> > >There is a free version of the C translator that has a notice saying=

>it's=
> >
> > >unregistered that you could use. Also, there are free Windows C
>compilers.=
> >
> > >Open Watcom (<a=20
>href="http://www.openwatcom.org">http://www.openwatcom.org</a>) is one=

>which I highly recommend.
> > >
> > >
> > >The Euphoria Standard Library project :
> > >     <a=20
>href="http://esl.sourceforge.net/">http://esl.sourceforge.net/</a>
> > >The Euphoria Standard Library mailing list :
> > >     <a=20
>href="https://lists.sourceforge.net/lists/listinfo/esl-discussion">https=
://lists.sourceforge.net/lists/listinfo/esl-discussion</a>
> > >
> > >
><snip>
>
>
>
>


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