Mail Archives: djgpp/2000/05/01/05:25:02
On Mon, 1 May 2000, Alexei A. Frounze wrote:
> > Unfortunately, you cannot rely on DPMI being correctly supported and
> > on V86 monitor working properly. For example, last year we found that
> > function 1680h of the interrupt 2Fh, if issued directly (through
> > int86) in nested DPMI programs, wedges the DOS box on some versions of
> > Windows 9X, while the same function call that goes through __dpmi_int
> > works correctly. (See the end of section 6.1 of the FAQ for more
> > about this.)
>
> 1680h of 2fh. :)) I used it only once. I think there are a lot of people who
> never used it at all.
Actually, most of them do, especially if they use RHIDE, Emacs, Less,
Info, and other programs. 2Fh/1680h is the function called by the
library function __dpmi_yield; most interactive programs call that
function inside their idle loop (or if they don't, they should).
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