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Date: | Wed, 24 Sep 1997 12:29:14 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
To: | Nate Eldredge <eldredge AT ap DOT net> |
cc: | Orlando Andico <orly AT dilnet DOT upd DOT edu DOT ph>, |
firewind <firewind AT metroid DOT dyn DOT ml DOT org>, djgpp AT delorie DOT com | |
Subject: | Re: DJGPP and optimized code |
In-Reply-To: | <199709240323.UAA02048@adit.ap.net> |
Message-ID: | <Pine.SUN.3.91.970924122852.18049N-100000@is> |
MIME-Version: | 1.0 |
On Tue, 23 Sep 1997, Nate Eldredge wrote: > writes to the NUL device will still go through DOS, requiring a mode switch > and God-knows-how-much DOS overhead. AFAIK, the DOS overhead in writing to NUL is nil. It involves a single far call to the entry point of the NUL device driver, which then immediately returns to the caller.
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