Mail Archives: djgpp/1997/09/18/14:18:59
Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> replied to Mitchell Spector <spector AT EnchantedLearning DOT com>
> On Wed, 17 Sep 1997, Mitchell Spector wrote:
>
> > Can a DJGPP program running in a DOS box under Windows 95
> > communicate with another currently-running program (either
> > another DJGPP program in a different DOS box or a regular
> > Win32 app)?
>
> One way that's simple to implement is to use the Windows clipboard.
> A bunch of functions of Interrupt 2Fh let DOS programs get and put
> text from and to the Windows clipboard. Look in Ralf Brown's
> Interrupt List, under W-2F1700 (WINOLDAP) and thereabouts.
>
> For example, the DJGPP port of Emacs uses this interface to support
> the clipboard cut/paste operation, and as a consequence, you can move
> text between two instances of Emacs that run on the same machine.
>
> This method uses DOS memory, so it's inherently limited to the amount
> of free DOS memory your program has (usually, at least 500K should be
> available, but your mileage may vary).
>
> The only other way is to write a VxD, I think. But I'm no expert in
> the ways of tweaking Windows to do what you need, so don't take this
> as the definitive opinion.
At least in my system the Windows clipboard seems to be slower than a virtual
disk or even the HD with enough cache.
I don't know why but the Win 3.1 clipboard works very slow (I tried coping
300Kb from write).
I think one solution could be a real mode TSR loaded before windows.
SET
------------------------------------ 0 --------------------------------
Visit my home page: http://www.geocities.com/SiliconValley/Vista/6552/
Salvador Eduardo Tropea (SET). (Electronics Engineer)
Alternative e-mail: set-sot AT usa DOT net - ICQ: 2951574
Address: Curapaligue 2124, Caseros, 3 de Febrero
Buenos Aires, (1678), ARGENTINA
TE: +(541) 759 0013
- Raw text -