Mail Archives: djgpp/1999/04/19/09:30:51
On Mon, 19 Apr 1999, Michal Strelec wrote:
> In my case it's harware interrupt from communication.
Hardware interrupts are handled in protected mode under DPMI.
> Ya, time interupt always occure, but I wrote my own handler (for some
> reasons), where some actions are taken and then execution is passed to old
> (original) handler. AND THAT'S a problem because it calls BIOS function (I
> suppose and SWITCH to RRRMMM).
Yes, chaining to the BIOS handler involves a mode switch.
> QQQQQQ: Any idea how to solve it?
Why do you need to chain?
- Raw text -