Mail Archives: djgpp/1996/02/27/01:55:54
On 26 Feb 1996, James Tsillas wrote:
> Question: is this the best way to do this? I guess I don't really
> understand how interrupts are reflected in protected mode. Are the real
> mode handlers bypassed? It seems that the chain is working since the
Under DPMI, hardware interrupts are always passed to protected-mode first
(after a mode switch, if the interrupt happened when the CPU was in real
mode, like during a DOS call), and only if unhandled, are they passed to
real mode. This is explained in the DJGPP FAQ list (faq200b.zip from the
same place you get DJGPP), section 18.9.
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