Re: Coming From QBasic
Does the Global function thingy have to be included in the main body of the=
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
>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 to 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
>http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=on&lnx=o=
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 of 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. From
> > 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. 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 (http://www.openwatcom.org) is one which I highly recommend.
>
>
>The Euphoria Standard Library project :
> http://esl.sourceforge.net/
>The Euphoria Standard Library mailing list :
> https://lists.sourceforge.net/lists/listinfo/esl-discussion
>
>
>
>
|
Not Categorized, Please Help
|
|
