2 Oct
2009
2 Oct
'09
6:30 a.m.
Christian Corti wrote:
Thanks - I don't think I missed that though.
I think you missed the subtlety of the problem - on a normal PC an NMI
would be very rare. On a PCjr you can hit any key on the keyboard and
cause it. That makes the the CLI/STI exposure to NMI much greater on
this machine. (And on the PC Convertible from what I am reading.)
On Wed, 30 Sep 2009, Michael B. Brutman wrote:
Yes .. Turbo C++ 3.0 for DOS. I don't use a lot of the fancier C++
language features because they are not appropriate for this type of
programming. It looks like very well structured and encapsulated C when
I use it.
on floating point emulation in the Turbo C++ 3.0
library. Even though I
^^^
I beg your pardon? On an
unrelated note, CLI and STI are not enough to prevent an NMI on
this
Guess why it's called a non-maskable interrupt... Christian