Re: [Freedos-user] Freedos 1.1 status - and screen readers

2008-08-30 Thread Eric Auer

Hi!

 Last time I tried running my screen reader on freedos (admittedly, it
 was several years ago, and freedos wasn't anywhere near ver 1.0) it
 just plain didn't work.

Then try again. If you use NANSI, make sure to use the /R option to
force output via BIOS. FreeDOS uses BIOS int 10 function 0e for many
things while MS DOS uses the slower but more flexible pair 2 and 9.
Screen readers should support both styles.

 There is a free w/source screen reader for dos called provox.

As it is open source, it will be easy to check which BIOS styles
it supports - by reading the source and or by asking the author.
Patching should be easy enough, too... Note that modern hardware
often has very limited soundblaster compatibility, but maybe your
screen reader uses other hardware anyway.

 Most modern operating systems have some sort of screen reader built-in

Not really. Larger Linux distros tend to make it easy to install
brltty but brltty is not part of the kernel or anything...

 If this could be made to work, freedos could then be listed as
 blindfriendly, and would likely win a few more supporters.

I would recommend making a separate boot disk or boot cd with the
screen reader already enabled.

 how does one go about including a product in the base distribution

While a screen reader is useful, it is not base in the way our
base is defined... Our base is: Things which do things that you
were able to do with ms dos without installing additional software.

Note that distros such as http://rugxulo.googlepages.com/ include
more than just base but are still small. I recently made a single
2.88 MB diskette image out of the first two Rugxulo diskettes, as
that is useful for making a bootable cd or dvd.

Cheers, Eric



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Re: [Freedos-user] Freedos 1.1 status - and screen readers

2008-08-30 Thread Travis Siegel
Well, brltty is for braille support, not speech output, and I agree  
that it is generally distributed separately.
However, speakup is physically part of the linux kernel (for those  
distros that include it) though there are other screen readers (such  
as yasr for text mode, and orca for gui output) I think a screen  
reader should still be considered.
True, msdos didn't include one, and to buy one cost nearly a thousand  
dollars once software and hardware were combinations were purchased  
(there weren't any that worked with soundblasters originally)
Freedos is of course free, and thereby providing a screen reader that  
does work out of the box would encourage many more folks to give it a  
try.
It may be something that wasn't included with msdos, but by default,  
msdos didn't include mscdex either, until several iterations of 5.x  
was out, so I see nothing wrong with bending the guidelines for this  
one.
For blind users, not including is exactly the same as not including a  
monitor, and expecting folks to be able to use their computers off the  
shelf.
I will of course create my own distribution with screen reader support  
built-in if necessary, but I'd really like to avoid this if at all  
possible.

I'll install freedos again on one of my machines, and see if I can get  
it working with any of my screen readers (I have managed to accumulate  
quite a few over the years) but as you point out, modifying the source  
for provox should be easy enough.
Failing that, I am the owner of the defunct syntha-voice slimware dos  
screen reader product, and can certainly port that to freedos if  
something more robust than provox is necessary, but since provox is  
minimal, and very small, for an initial release at least, it probably  
would be better to use that one, especially since source for slimware  
isn't allowed to be made available per my agreement with the previous  
owners sigh

With that said though, I do respect your stand-point, and if no screen  
reader is the final word, then I'll certainly not belabor the point  
here, but I'd strongly urge that if at all possible, something,  
whether it be provox or something else, be included just so visually  
impaired/blind people can use freedos out of the box so to speak,  
starting the screen reader after dos is up and running should be a  
simple enough task for anyone who wants to try it out, (I.E. no need  
to have it start automatically at system boot by default).


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Re: [Freedos-user] Freedos 1.1 status - and screen readers

2008-08-30 Thread Eric Auer

Hi!

 Well, brltty is for braille support, not speech output

The part of the problem where you have to fetch text from
dos to redirect it to another device is the same for both.
Work to improve cooperation of either with dos helps both.

By the way, there also was a project to port brltty to dos,
can you find out how far they got?  Of course, things which
invoke Linux specific abilities such as USB drivers or ALSA
sound or multitasking cannot be ported, so you will only be
able to use serial and printer port braille with dos brltty.

There also was some free or low cost dos screen reader which
used internal speaker, sound blaster or covox (printer port
dac) for sound output...

Please do not misunderstand my statement that a screen reader
is not base. Base simply means part of a minimal distro that
mimicks ms dos. Any non-minimal distro and in particular any
blind optimized distro are welcome to include screen readers.

Let me know when you have questions about freedos during your
work on configuring or possibly adapting provox for freedos.

Eric



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