Man, you're my hero!

2016-11-10 5:39 GMT+03:00 Danoon <[email protected]>:

> I ported Dosbox to Java, so most of my knowledge of the emulation comes
> from the Dosbox project.
>
> After I got Dos games to work in Java, my goal became to get Win95/98 era
> games to run in a browser using Java.  Originally I started messing around
> with writing my own windows libraries in Java, I even got Age of Empire to
> run.  I thought there wouldn't be that much to do just to get games
> working, but I was wrong.  After Oracles messed up Java in the browser I
> switch to c/emscripten and so far I've been pretty happy with that decision.
>
> I tried to retarget Wine to compile for Windows/Emscripten directly.  I
> implemented a port for all the libc calls, it started to work, but it was
> really just too much work for one person.   Implementing about 100 Linux
> system calls and few devices got me pretty far and was for more
> manageable.  Basically BoxedWine is a Linux kernel emulator that can run a
> lot of Linux stuff, including XOrg, dpkg, etc.  But Wine with XOrg had a
> lot processes and all those moving pieces were a pain to debug.  Last time
> I was messing with it, I had a hang between XOrg and the window manager.
> Plus the file system size was larger than I wanted.  I removed XOrg by
> writing a replacement for winex11.drv.  So now I don't need XOrg and all of
> its dependencies.
>
> The Linux syscall emulation is original and based on documentation and
> trial and error.  I'm sure there are still quite a few bugs in it.  mmap
> still isn't quite right.
>
> Currently I'm trying to get Win16 games to work because they have a low
> CPU requirement.  A lot of simple games are already working well.
>
> The demo link I originally posted now shows a Win16 Pacman clone.
>
> On a recent Core i5 I get about 33MHz (Pentium) in Emscripten, so not
> bad.  With some tweaking it should be in the realm of possibility to play
> some Win95/98 games that targeted a Pentium 66
>
>
> On Friday, October 28, 2016 at 10:15:28 AM UTC-7, Alon Zakai wrote:
>>
>> Wow, impressive!
>>
>> What does this use to render, btw?
>>
>> On Tue, Oct 25, 2016 at 8:02 PM, Danoon <[email protected]> wrote:
>>
>>> I've been experimenting with getting Wine to run in Emscripten with the
>>> goal to play Win95/Win98 era games.  It has a long way to go, but I thought
>>> I would share a demo of notepad running.  So far I've been pretty impressed
>>> with the performance that Emscripten gives.
>>>
>>> http://boxedwine.sf.net/b2/boxedwine.html
>>>
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>>
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-- 
С уважением, Гурьянов Александр

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