Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Tom Ehlert
> Any non Windows applications, better said any pure DOS legacy
> application should work on FreeDOS the same way it would work on MS-DOS?
> (this test on same hardware of course)

right. we (the kernel and emm386/himem developers) put a lot of effort
into exactly this.
after that, we declared the work 'done' and left the rest as an
exercise to the reader ;)

Tom



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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Michael Reichenbach
Thanks for detailed answer.

So... If I understand right. Most things are in but some cool addons are 
still missing.

Any non Windows applications, better said any pure DOS legacy 
application should work on FreeDOS the same way it would work on MS-DOS? 
(this test on same hardware of course)

-mr


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Eric Auer

Hi!

> By the way which features are missing in FreeDOS

> a) for 100 % MS-DOS compatibility

Missing features in the stable kernel are:

- country sys / nlsfunc support: present in unstable branch,
  would be nice if that could be ported to stable but WITHOUT
  breaking the compiled-in support for common countries there

- possibly some int 2f.12nn functions?? I think many of them
  are already implemented, but int 2f in general has lots of
  odd functions and somebody would have to read RBIL and our
  source code to check which of them are not yet implemented.

- config sys menu: only syntactic incompatibility, as with some
  other "incompatible" apps (I assume you only ask about kernel,
  but for we have no app with the  look and feel of MSAV... ;-))
  I think Arkady had plans about that but some developers were
  concerned about related changes in user interface...?

- long file names: not part of classical MS DOS 5/6, but part
  of bundled-with-Windows-9x MS DOS 7, available via DOSLFN :-)

- instances, critical sections and full "reentrancy as long as
  you swap the SDA contents": only used by Windows 3.x and by
  Windows for Workgroups 3.11 (for 386Enh "multitasking" mode)?
  See below!

- int 21.4b05 set execution state: unknown what this does, what
  needs this and how it can be implemented...??

- support for file sizes between 2 and 4 GB: depends on having
  good documentation about how seek / read / write behaves here,
  is controlled (in part?) by setting a flag when opening files.
  Only makes sense on FAT32 and only if you know any app which
  would do anything useful with such big files...

- support for file sizes above 4 GB: this is not supported in
  MS DOS but we could go compatible to a hack used in EDR DOS
  (normal directory entries only have 32 bit file size fields)

- open files in SYNC and NOCRIT mode: this would trigger writing
  all changes to disk (bypassing BUFFERS but not external cache?)
  at once for SYNC, and would bypass critical error handler calls
  for NOCRIT (would just return error status instead). I wonder
  whether any known app uses this. SHARE might be non-perfect, too.

- support for DBCS (wide chars) and Japanese / Chinese / Korean
  language: Only available in far east versions of MS DOS either,
  provides interfaces for communicating with wide char screen and
  keyboard drivers which were separately available??

- several int 21.5dnn functions: get a list of all open files and
  commit or close files by name / by owner PSP segment / by PC name
  (the latter is "in the network" but has defaults for offline case)
  Sort of useful but I wonder which apps actually use this :-).

> b) for 3.11 compatibility

Windows for Workgroups has a pretty useless "standard mode",
so what you are looking for is not only WfW 3.11 compatibility
but rather general Windows 386Enh mode compatibility. This
requires Windows to be able to freeze and restore the kernel
state to be able to run multiple instances of the kernel or
make the kernel "reentrant". Note that Windows will try to do
disk access without kernel help by default, which you should
disable if you have LBA or FAT32 ;-). You also have to trick
Windows into seeing at most 256 MB (with tweaks 1 GB) RAM,
otherwise the internal memory mgmt of Windows 3 will overflow.
Oh and segments larger than 16 MB have issues too, so you may
have to add workarounds to HIMEM and other apps...? In any case:

The unstable kernel branch has an experimental patch (available
as the winkernel binary on FreeDOS 1.0) which attempts to give
Windows all critical sections, instance data and swappable (SDA)
kernel stuff it needs to run in FreeDOS. Give it a try ;-). As
far as I remember, this involved heavy changes to fnode handling
as f_nodes are not known to MS DOS and not swapped by Windows.
Any attempt to port this  to the stable kernel  would need very
careful review of the involved patches...

> c) for 95/98/ME compatibility?

Good question. Does anybody here know?

Eric



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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Michael Reichenbach
Eric Auer schrieb:
> Hi!
> 
 ... 95/98 on top.
> 
>>> Why? Windows 9x always comes with underlying MS-DOS 7.x.
>>> There's just no need for FreeDOS here.
> 
> Note that this is how MS pushed DR DOS and PC DOS (etc) out
> of the market - they made it alternatives obsolete by bundling
> their own stuff. Now if you look at web browsers, media players
> or office software, there it does make sense to install better
> versions in spite of the "why should I MS already includes it
> in Windows" factor. But for MS DOS 7 in Windows 98? Not really.
> You would hardly notice any difference from replacing MS DOS 7
> (as long as you stay inside Windows 98, that is!).
> 
>> - It's cool.
> 
> Shrug...
> 
>> - You can start and exit Windows and back to FreeDOS and back
>> to other Windows version, pretty practical.
> 
> That is what a boot menu is for, at slightly worse speed
> but significantly better stability ;-)
> 
>> - A good prof to become 100 % compatible to any software.
> 
> The only software which needs cool "it is so compatible that
> you can even use it to boot Windows 98" is actually Windows 98
> itself, so this coolness does not give you anything else...
> 
> I mean Windows 98 does not even RUN in MS DOS 7, it only has
> MS DOS 7 as a boot loader. Pretty large effort for replacing
> a boot loader by rewriting 1000% MS DOS 7 if you ask me ;-).
> 
> Nevertheless, MS DOS 7 is nice even without Windows so it is
> still good that we support _some_ MS DOS 7 features here :-).
> 
> Eric
> 

Hi! :)

By the way which features are missing in FreeDOS
a) for 100 % MS-DOS compatibility
b) for 3.11 compatibility
c) for 95/98/ME compatibility?

-mr


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Eric Auer

Hi!

> >> ... 95/98 on top.

> > Why? Windows 9x always comes with underlying MS-DOS 7.x.
> > There's just no need for FreeDOS here.

Note that this is how MS pushed DR DOS and PC DOS (etc) out
of the market - they made it alternatives obsolete by bundling
their own stuff. Now if you look at web browsers, media players
or office software, there it does make sense to install better
versions in spite of the "why should I MS already includes it
in Windows" factor. But for MS DOS 7 in Windows 98? Not really.
You would hardly notice any difference from replacing MS DOS 7
(as long as you stay inside Windows 98, that is!).

> - It's cool.

Shrug...

> - You can start and exit Windows and back to FreeDOS and back
> to other Windows version, pretty practical.

That is what a boot menu is for, at slightly worse speed
but significantly better stability ;-)

> - A good prof to become 100 % compatible to any software.

The only software which needs cool "it is so compatible that
you can even use it to boot Windows 98" is actually Windows 98
itself, so this coolness does not give you anything else...

I mean Windows 98 does not even RUN in MS DOS 7, it only has
MS DOS 7 as a boot loader. Pretty large effort for replacing
a boot loader by rewriting 1000% MS DOS 7 if you ask me ;-).

Nevertheless, MS DOS 7 is nice even without Windows so it is
still good that we support _some_ MS DOS 7 features here :-).

Eric


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Michael Reichenbach
Robert Riebisch schrieb:
> Michael Reichenbach wrote:
> 
>> ... 95/98 on top.
> 
> Why? Windows 9x always comes with underlying MS-DOS 7.x. There's just no
> need for FreeDOS here.

- It's cool.
- You can start and exit Windows and back to FreeDOS and back to other 
Windows version, pretty practical.
- A good prof to become 100 % compatible to any software.

-mr



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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Robert Riebisch
Michael Reichenbach wrote:

> ... 95/98 on top.

Why? Windows 9x always comes with underlying MS-DOS 7.x. There's just no
need for FreeDOS here.

Robert Riebisch
-- 
BTTR Software
http://www.bttr-software.de/

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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-30 Thread Michael Reichenbach
someone schrieb:
> Open source
> software is not as author dependent as traditional commercial software,
> but a lot of people fail to understand this and they give up on an OSS
> project when it's author quits.

It's very hard to learn programming for hobbyists and professionals can 
rather earn money with programming something better. Plus the reasons 
it's often more easy to write new code then understanding old code, 
specially from other people.

someone schrieb:
  > I guess one route is to encourage the developer of mpxplay to port
 > it to freedos32, if that is reaching beta stage yet.

freedos32 is dead.

 >> mind.  Freedos 1.1 needs a 32 bit gui that people are willing to
 >> write graphical programs for which need more than 640k.  If the
 >> gui supports Windows 9x software, that'd be a great bonus.

First FreeDOS should be become 100 % compatible with MS-DOS. Later the 
ability to run Windows 3.x/95/98 on top.

If any DOS programmer wants to access more memory then 640k then he can 
either use EMS or XMS. An even better method would be to use DOS 
extenders. HX DOS Extender is pretty good and actively maintained, using 
DPMI you can access all memory outside conventional/EMS/XMS. It's also 
pretty easy to develop with. (from what I see no special way of 
requesting memory needed, just normal style)

-mr


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread Marco Antonio Achury Palma
Sounds like port WINE to DOS
:-)

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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread someone
Quoting Eric Auer <[EMAIL PROTECTED]>:

>
> Hi Michael,
>
>> Well, ReactOS is an NT clone.  Freewin95 was the
>> original project that later became ReactOS when...
>
> Hmmm.
>
>> Why?  The facts are not encouraging as far as the time it took
>> for ReactOS 0.3.5 to be released and 0.3.5 is an alpha.
>
> Things count in different ways in open source, projects
> are often very humble about version numbers. I mean nobody
> used Win 1 or 2 for anything, let alone Windows beta 0.x ;-)
>
>> I guess one route is to encourage the developer of mpxplay to port
>> it to freedos32, if that is reaching beta stage yet...
>
> Any reason why it would be better than mpxplay for normal DOS?
>
>> route is to implement a 32 bit version of opengem that will run on
>> top of freedos 1.1.  It sounds like the developer is concerned that
>> it is easier to write a Windows program than it is to write for any
>> of the dos based extenders.  Well, a better gui might change...
>
> Maybe he wants to try SDL, or maybe (hint hint) make the Windows
> version simple enough to let it work in DOS with HXRT ;-).
>
>> mind.  Freedos 1.1 needs a 32 bit gui that people are willing to
>> write graphical programs for which need more than 640k.  If the
>> gui supports Windows 9x software, that'd be a great bonus.
>
> Then it would be FreeWindows98, not FreeDOS. Totally different.
> And every GUI can only be popular if there are lots of apps.
> I mean even if you write FreeWindows3 today, people would say
> that there is not enough software for it. OS2 and GEM are in
> even worse position.
>
>> I've heard that there are various attempts to develop gui's other
>> than opengem for dos and I've even run into claims that freedos
>> will eventually compete with Linux and Windows.  Well, I think
>> freedos has a place on older computers that are powerful enough
>> to be useful if the OS is light enough.  Windows 9x is a mess,
>> this is partially why dos went away.  I have yet to see an NT
>> style system be as light as dos.  ReactOS is promising, but it's
>> potential is a year or two down the road still.  ReactOS will get
>> better, but it will be an NT clone instead of a Win 9x replacement.
>
> Okay so you want a Windows NT clone which runs on hardware which
> is too old for Windows 98...? And you hope DOS is that system...
> I am sorry - but things do not work that way. If you write NT for
> DOS then it will have almost all the disadvantages of NT combined
> with many limitations of DOS. It will not have the advantages
> of NT combined with the lightness of DOS...
>
>> One advantage of a strong 32 bit gui that runs on top of dos,
>> it becomes possible to port firefox 3 to freedos.
>
> Firefox runs totally great on Linux... Given that the Fire fox
> instance which is on my screen right now uses 300 MB of RAM
> (half of which swappable) running in X.org which uses another
> 150 MB of RAM (...) I would say it makes little sense to run
> either of the two (you need X to run Firefox) on DOS for the
> sake of "DOS only uses 1 MB" ;-))
>
> Eric

Windows 98 is NOT Windows NT. It is a version of Windows that
runs on top of dos.  Linux uses more memory because it is a
multi user system with an overkill gui.  Freedos 32 shouldn't
in theory doesn't need dos extenders as it already runs in
protected mode and it offers a flat memory model.  I am not
proposing Windows NT Lite, I am proposing a windows compatible
gui that runs on top of dos minus some of the features that
would make it really really heavy.

  Michael C. Robinson


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread Eric Auer

Hi Michael,

> Well, ReactOS is an NT clone.  Freewin95 was the
> original project that later became ReactOS when...

Hmmm.

> Why?  The facts are not encouraging as far as the time it took
> for ReactOS 0.3.5 to be released and 0.3.5 is an alpha.

Things count in different ways in open source, projects
are often very humble about version numbers. I mean nobody
used Win 1 or 2 for anything, let alone Windows beta 0.x ;-)

> I guess one route is to encourage the developer of mpxplay to port
> it to freedos32, if that is reaching beta stage yet...

Any reason why it would be better than mpxplay for normal DOS?

> route is to implement a 32 bit version of opengem that will run on
> top of freedos 1.1.  It sounds like the developer is concerned that
> it is easier to write a Windows program than it is to write for any
> of the dos based extenders.  Well, a better gui might change...

Maybe he wants to try SDL, or maybe (hint hint) make the Windows
version simple enough to let it work in DOS with HXRT ;-).

> mind.  Freedos 1.1 needs a 32 bit gui that people are willing to
> write graphical programs for which need more than 640k.  If the
> gui supports Windows 9x software, that'd be a great bonus.

Then it would be FreeWindows98, not FreeDOS. Totally different.
And every GUI can only be popular if there are lots of apps.
I mean even if you write FreeWindows3 today, people would say
that there is not enough software for it. OS2 and GEM are in
even worse position.

> I've heard that there are various attempts to develop gui's other
> than opengem for dos and I've even run into claims that freedos
> will eventually compete with Linux and Windows.  Well, I think
> freedos has a place on older computers that are powerful enough
> to be useful if the OS is light enough.  Windows 9x is a mess,
> this is partially why dos went away.  I have yet to see an NT
> style system be as light as dos.  ReactOS is promising, but it's
> potential is a year or two down the road still.  ReactOS will get
> better, but it will be an NT clone instead of a Win 9x replacement.

Okay so you want a Windows NT clone which runs on hardware which
is too old for Windows 98...? And you hope DOS is that system...
I am sorry - but things do not work that way. If you write NT for
DOS then it will have almost all the disadvantages of NT combined
with many limitations of DOS. It will not have the advantages
of NT combined with the lightness of DOS...

> One advantage of a strong 32 bit gui that runs on top of dos,
> it becomes possible to port firefox 3 to freedos.

Firefox runs totally great on Linux... Given that the Firefox
instance which is on my screen right now uses 300 MB of RAM
(half of which swappable) running in X.org which uses another
150 MB of RAM (...) I would say it makes little sense to run
either of the two (you need X to run Firefox) on DOS for the
sake of "DOS only uses 1 MB" ;-))

Eric



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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread someone
   ReactOS might support Windows 98 programs...

Well, ReactOS is an NT clone.  Freewin95 was the
original project that later became ReactOS when
progress was too slow.  The developers, according
to the bulletin boards, have given up on dos based
Windows.

   That is too pessimistic, years for ReactOS to get stabilized.

Why?  The facts are not encouraging as far as the time it took
for ReactOS 0.3.5 to be released and 0.3.5 is an alpha.  Alpha
means, if it works at all that is great.  The 0.5.x series will
be the first beta series.  It is supposed to come out this year,
but the next release is 0.3.6 and the 0.4.x series hasn't even
happened yet.  Anyone who expects an alpha to support the
software they are interested in using is crazy.  I haven't given
up on ReactOS, I just realize that it will be a year before it
reaches beta, and that is optimistic.

   Keeping mpxplayer for dos alive...

I guess one route is to encourage the developer of mpxplay to port
it to freedos32, if that is reaching beta stage yet.  Another
route is to implement a 32 bit version of opengem that will run on
top of freedos 1.1.  It sounds like the developer is concerned that
it is easier to write a Windows program than it is to write for any
of the dos based extenders.  Well, a better gui might change his
mind.  Freedos 1.1 needs a 32 bit gui that people are willing to
write graphical programs for which need more than 640k.  If the
gui supports Windows 9x software, that'd be a great bonus.

I've heard that there are various attempts to develop gui's other
than opengem for dos and I've even run into claims that freedos
will eventually compete with Linux and Windows.  Well, I think
freedos has a place on older computers that are powerful enough
to be useful if the OS is light enough.  Windows 9x is a mess,
this is partially why dos went away.  I have yet to see an NT
style system be as light as dos.  ReactOS is promising, but it's
potential is a year or two down the road still.  ReactOS will get
better, but it will be an NT clone instead of a Win 9x replacement.

One advantage of a strong 32 bit gui that runs on top of dos, it
becomes possible to port firefox 3 to freedos.

  Michael C. Robinson


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread Eric Auer

Hi Michael!

> > My personal opinion here is that MPXPLAY is very nice for DOS
> > users because it supports many soundcards :-). The ability to

Note: The drivers are inside MPXPLAY, but as it is open source,
you can use the MPXPLAY sources to make VSB (virtual sound blaster)
able to output sound using, for example, your AC97 soundcard :-).

The standard (1995) version of VSB can only use the internal PC
speaker / beeper or covox (D/A converter connected to the printer
port) so more hardware drivers are certainly a good idea for it.

> > use network and video would not be a main issue for me. Maybe
> > Attila can continue updating the sound drivers for DOS while
> > focusing on Windows for the video support?

> Depending on the licensing scheme for mpxplay, someone else can
> continue developing the dos version.  The sad thing about developing

Of course. Depends... I assume Attila has lots of experience here.
Are his sources well documented? We could ask him to write a driver
writing howto :-). But who knows, maybe he will even continue to
make new DOS drivers for MPXPLAY in the future if enough people
keep using MPXPLAY in DOS and showing their appreciation :-).

> a Windows version is that ReactOS, the only free Windows clone I know
> about, is years away from being something that is usable.  There just
> aren't enough developers.  Windows 9x is something better than a dos

That is pessimistic about ReactOS. It did not look that bad, but
their project has large plans while having few developers. If it
supports running Win98 apps, you could ask them to improve the
Win98 support - I guess that would be easier than completing the
Win2000 support...

> extender, but noone wants to develop a free replacement for that.

You could try Japheth's HXRT, which is pretty limited for GUI
apps but it still shows that you can run some Win98 apps even
in DOS if you have a VERY good DOS extender :-).

> This is too bad, there is a lot of dos/9x software that doesn't
> work well in NT.  Even dosbox falls short in a lot of cases.

Did you try in ReactOS? Dosbox was never meant to run Win98
software as far as I can tell. For DOS software, I do of
course recommend FreeDOS, for example in DOSEMU or a virtual
computer (bochs, vmware, qemu, virtualpc, virtualbox, ...).

> but a lot of people fail to understand this and they give up
> on an OSS project when it's author quits.

Or even before that, for example in ReactOS ;-). Open source
software always needs user input. For example you could use
ReactOS even though you know it is very incomplete and help
them by making suggestions which functions to repair/add first.

> Is the sound card support built into mpxplay?  If it is, that's
> too bad. Generic support for post dos sound cards is sorely needed.

This is where VSB and the fact that MPXPLAY is open source can
help. VSB uses protected mode to trap all attempts of your DOS
apps to a SoundBlaster. It then calculates which sound would
have been generated and outputs that sound via your physical
speaker. The simulation is minimalistic and only works without
EMM386 and without DOS extenders but it is a start :-). And it
is open source, too... You could probably modify it to work
together with JEMM386 as a JLM (all EMM386 use protected mode
but JEMM386 has a plugin interface for 'JLM' files) - then it
can work with DOS extenders, too :-).

As the original homepage (zap.eltrast.ru) seems to be down at
the moment, I made a mirror of VSB. Happy testing :-).

> www.coli.uni-saarland.de/~eric/stuff/soft/by-others/
(the two dos-virtual-sound... files from 1995 and 1996)

Eric


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread someone
Quoting Eric Auer <[EMAIL PROTECTED]>:

>
> Hi Flox,
>
>> read this post from the author of Mpxplay :-(
>> https://sourceforge.net/forum/message.php?msg_id=5128817
>
> Dunno if Arachne supports https, so I better paste it ;-)
>
> The post mentions that Emu10k SB PCI / SB Live 24 Audio LS
> support got added, other cards from that family planned,
> but there is a "by the way" about the future of DOS MPXPLAY:
>
>> it seems DOS users are less and less, and I don't think so that I can
>> add too much for the DOS version of the Mpxplay (and I have/had too much
>> problems with the LFNs, WATTCP (network) and with the extenders (ie:
>> trying to play videos)).
>
>> Rather I'll continue the developing in a Win-GUI version. This means
>> the end of the DOS development, because the GUI version requires a
>> very different program structure and code than the current console
>> version(s). So, probably this Mpxplay version will be the last DOS
>> version (but I'll try to correct all bugs in it, before the final
>> version)...
>
> My personal opinion here is that MPXPLAY is very nice for DOS
> users because it supports many soundcards :-). The ability to
> use network and video would not be a main issue for me. Maybe
> Attila can continue updating the sound drivers for DOS while
> focusing on Windows for the video support?
>
> Eric

Depending on the licensing scheme for mpxplay, someone else can
continue developing the dos version.  The sad thing about developing
a Windows version is that ReactOS, the only free Windows clone I know
about, is years away from being something that is usable.  There just
aren't enough developers.  Windows 9x is something better than a dos
extender, but noone wants to develop a free replacement for that.
This is too bad, there is a lot of dos/9x software that doesn't work
well in NT.  Even dosbox falls short in a lot of cases.  Open source
software is not as author dependent as traditional commercial software,
but a lot of people fail to understand this and they give up on an OSS
project when it's author quits.

Is the sound card support built into mpxplay?  If it is, that's too bad.
Generic support for post dos sound cards is sorely needed.

  Michael C. Robinson


This message was sent using IMP, the Internet Messaging Program.


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Re: [Freedos-user] Mpxplay won't be developed in the future...

2008-07-29 Thread Eric Auer

Hi Flox,

> read this post from the author of Mpxplay :-(
> https://sourceforge.net/forum/message.php?msg_id=5128817

Dunno if Arachne supports https, so I better paste it ;-)

The post mentions that Emu10k SB PCI / SB Live 24 Audio LS
support got added, other cards from that family planned,
but there is a "by the way" about the future of DOS MPXPLAY:

> it seems DOS users are less and less, and I don't think so that I can
> add too much for the DOS version of the Mpxplay (and I have/had too much
> problems with the LFNs, WATTCP (network) and with the extenders (ie:
> trying to play videos)).

> Rather I'll continue the developing in a Win-GUI version. This means
> the end of the DOS development, because the GUI version requires a
> very different program structure and code than the current console
> version(s). So, probably this Mpxplay version will be the last DOS
> version (but I'll try to correct all bugs in it, before the final
> version)...

My personal opinion here is that MPXPLAY is very nice for DOS
users because it supports many soundcards :-). The ability to
use network and video would not be a main issue for me. Maybe
Attila can continue updating the sound drivers for DOS while
focusing on Windows for the video support?

Eric


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