[Coco] Accessing the serial port from Basic

[Arthur Flexser]

I believe #-2 is not a valid unit number for the INPUT command.

Art

On Thu, Nov 13, 2014 at 7:41 PM, S Klammer <sklammer at gmail.com> wrote:

> I've not tried in sometime and therefore may be completely wrong; however,
> wouldn't INPUT #-2, <var> work to read bytes?
>
> Shain
> On Nov 13, 2014 4:55 PM, "Aaron Wolfe" <aawolfe at gmail.com> wrote:
>
> > As others have mentioned there is no serial input built into basic.  The
> > Rainbow had several articles with ways to do this however.  You can
> > redirect the basic console to the serial port, then regular input
> > statements work.  I recall having a lot of fun with this long ago.  As I
> > recall its limited to 300bps or so.  There was a series of articles
> called
> > "make your own BBS" or similar that included this functionality.  I
> suspect
> > it started in one of the annual Telecom issues but sorry I dont recall
> > which year.
> >  On Nov 13, 2014 4:51 PM, "tim lindner" <tlindner at macmess.org> wrote:
> >
> > > On Thu, Nov 13, 2014 at 1:18 PM, Louis Ciotti <lciotti1 at gmail.com>
> > wrote:
> > > > Maybe my last post did not make it to the list, but I am looking for
> > > information on accessing  the onboard serial post from
> > > > basic.  I have a simple project that will use rs232 for io a d  I
> want
> > > and want to play with the CoCo at the same time.   my
> > > > quick run trough the RS manuals did not have anything jump out at me
> > but
> > > I may have missed it.
> > >
> > > To write bytes to the serial port use:
> > >
> > > PRINT #-2, "Bytes to Send"
> > >
> > > I believe Color BASIC defaults to 7bit data for 1.0, but was changed
> > > to 8 bit data afterwords.
> > >
> > > I don't know of a way to read the serial port using only BASIC.
> > >
> > >
> > >
> > > --
> > > --
> > > tim lindner
> > >
> > > --
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> > >
> >
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