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From:	jscharrl AT ba-stuttgart DOT de (Jochen Scharrlach)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Trapping timer interrupts in V2
Date:	11 Aug 1995 06:47:26 GMT
Organization:	Berufsakademie Stuttgart
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References:	<3vp2bq$qf AT mirv DOT unsw DOT edu DOT au> <40bcm2$php AT mirv DOT unsw DOT edu DOT au>
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To:	djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway:	from newsgroup comp.os.msdos.djgpp

Tim Hesketh (T DOT Hesketh AT unsw DOT edu DOT au) wrote:
> The simple timer interrupt code (lifted from examples in the 1.12m4
> release) works perfectly when compiled without optimisation, but fails
> with the -O2 switch under V2. I've just discovered this by chance.

Does the code use in/ouport-commands? If this is the case you may need
to use:
#define __dj_ENFORCE_FUNCTION_CALLS

before you "include" anything.

Bye,
Jochen

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                      EMail:   jscharrl AT ba-stuttgart DOT de
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