Re: please explain to me why video/bios shadowing must be disabled to use graphics...

[phrostie <pfrostie@yahoo.com>]

i had a number of cga/vga games working in dosemu at one time.  battle chess,
commanderkeen, mario,,,.  i have not been able to get tem running even with the
same dosemu.conf files.  maybe this is why.  when did this start?

--- matt@snip.net wrote:
> Awhile back I tried getting graphics to work in dosemu on some linux 
> distros I was playing with at the time. Sadly, I was totally unsuccessful. 
> I realized after reading the docs that one had to disable video/bios 
> shadowing in order to use graphics. The problem is, my computer (HP8570C) 
> *does not* have any setting in the bios that lets you do this. So I guess 
> that means I can't run dosemu in a graphical mode on my computer at all eh? 
> What I don't quite understand is WHY do you have to disable video/bios 
> shadowing to get graphics working in the first place?! I tried searching 
> the web/usenet for information but apparently no one ever decided to write 
> a technical document to explain why video/bios shadowing in dosemu must be 
> disabled. I still think that perhaps this is some kind of quick hack that 
> was put into dosemu to get graphics to work. Did it have to be programmed 
> this way or was there another way graphic support in dosemu could've been 
> implemented without having to require video/bios shadowing to be disabled? 
> It would be great if there's another solution to get graphics working in 
> dosemu without having to disable video/bios shadowing. To tell you the 
> truth, i've been a windows user for quite awhile now (started with win3.1 
> and i'm now using win98se) although i've used linux/bsd/solaris/etc... 
> through shell accounts i've acquired over the years and from playing around 
> with linux distros that are configured to run on top of a dos partition. 
> Ultimately, I hope to make a complete transition to linux from wind0ze (I 
> already purchased suse linux to try out). I'm guessing i'm going to have to 
> go the dual boot route and keep a seperate windows partition behind to run 
> my dos/windows games since i've come to realize that both dosemu/wine are 
> still premature. If it wasn't for some of the technical problems with both 
> emulators (probably due to microsoft's monopoly on *stuff*), I would 
> quickly switch from windows to linux in a heart beat and say ados micros~1 
> heh :P
> 
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=====
phrostie
Oh I have slipped the surly bonds of DOS
and danced the skies on Linux silvered wings.
http://pfrostie.freeservers.com/cad-tastrafy/
http://www.freelists.org/webpage/cad-linux

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