[Coco] Weird CoCo 2 keyboard problem -- any ideas?

[John W. Linville]

On Fri, Mar 29, 2013 at 11:37:52PM -0400, Robert Gault wrote:
> John W. Linville wrote:
> >On Fri, Mar 29, 2013 at 06:31:21PM -0400, Arthur Flexser wrote:
> >>P.S.  I assume that you've verified that the problem occurs no matter which
> >>of the two shift keys you press?
> >
> >Yes, both shift keys produce the same result.
> >
> >>Have you checked whether the problem occurs with software that doesn't use
> >>Basic's keyboard scan routine?   OS-9 for example?
> >
> >I do my own keyboard scan in Sluzzle.  I haven't tried OS-9, but it
> >is hard to see what it might do differently?
> >
> >John
> >
> 
> John,
> Please clarify one point. Is it only in your own program that the ?
> key does not show, or does it not show in Basic as well?

It happens in BASIC as well.

> My first thought is if you wrote an ml program, you are not
> correctly reading the shift keys.

Sluzzle reads the '?' just fine on my other CoCo2 and in Xroar.

John
-- 
John W. Linville                Someday the world will need a hero, and you
linville at tuxdriver.com                  might be all we have.  Be ready.