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From: CBFalconer <cbfalconer AT yahoo DOT com>
Organization: Ched Research
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Question about djgpp's int-wrapper
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Date: Sat, 08 Jun 2002 19:16:45 GMT
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To: djgpp AT delorie DOT com
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Martin Steuer wrote:
> 
> While examining the source of the wrapper in gopint.c I found
> that it does not issue a 'sti' before returning with 'iret'.

x86 machines store the interrupt state with the flags on the
stack.  Thus the iret restores the entry state (which may not have
been enabled - think software interrupts).

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT worldnet DOT att DOT net)
   Available for consulting/temporary embedded and systems.
   <http://cbfalconer.home.att.net>  USE worldnet address!