Hi!
17-Авг-2006 21:52 [EMAIL PROTECTED] (tom ehlert) wrote to Michael Devore
<freedos-devel@lists.sourceforge.net>:
te> I don't know why pushf/cli/popf got even in there, as for any
te> selfrespecting BIOS, this should have *exactly* no effect (interrupts
te> are disabled by INT 15, and restored by iret)
You miss, that only recent releases of EMM386 do now respect original
flags value on the stack - previous releases just directly manipulate IF
flag and do "retf 2".
te> So I assume that pushf/cli/popf got there in the first place because
te> some buggy real world bios was detected to
te> int15handler:
te> .....
te> sti
te> stc (or whatever flags should be returned)
te> retf 2
te> and to fix this bug.
This was EMM386. :)
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