Mail Archives: opendos/1997/02/05/18:42:31
> > > Question:
> > > OpenDOS is for x86 processors, right?
> > > THEN WHO THE HELL NEEDS IT TO BE PORTABLE?????????
> > > You're not going to break things by inserting a little ASM code - >
> > > it's not like it'll run on the Mac anyways :) :) :)
> > > And who's going to be running the command.com from Linux??? Go
> > > ahead and make things fast!
> >
> > Hi,
> >
> > #1.
> > What kind video card do you want to implement direct writes for ?
> > If it is VGA, what about all Hercules, EGA, CGA users ?
>
> All. All cards start at either B800 or B000. Simple. Put a
> conditional in to see what mode the card is in and then change
> your base address for writes. Takes only a few lines of code.
> Piece o cake.
>
> > Maybe we can use some 386, 486, 586 or MMX specyfic opcodes inside
> > Open DOS. Executables will be smaller and faster but all machines
> > with less than (386...MMX) could be dropped into trash.
>
> As for the 3,4, and 586 stuff, I'm sure it will happen as soon as
> the sources are released. As for MMX, I don't see what place MMX
> instructions would have inside the OS. Do you want an AVI to
> play during booting? :o)
Hey, that'd be nice.
Some OpenDOS AVI.
Eat your heart out WinBootScreen, with your flashy palette cycling!!!
> As for the 386 and 486 not understanding MMX, just write an MMX
> emulator. It would work in a similar manner to the FPU
> emulator by triggering on the unknown instruction exception. I'm
> sure one will be out before you can shake a stick. :o)
Yeep
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