From:	hbs AT informatik DOT uni-kiel DOT de (Henrik Schmidt)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro and SB05_DJ2 problem
Date:	5 Mar 1997 08:38:26 GMT
Organization:	Dept. of Computer Science, University of Kiel, FRG
Lines:	29
Message-ID:	<5fjbe2$fb5@gutemine.informatik.uni-kiel.de>
References:	<3319eaa3 DOT 7656395 AT ursa DOT smsu DOT edu> <5feeam$1u2a AT ausnews DOT austin DOT ibm DOT com> <331add31 DOT 3781849 AT ursa DOT smsu DOT edu> <5fh0jb$1u5k AT ausnews DOT austin DOT ibm DOT com> <331c94e6 DOT 815065 AT ursa DOT smsu DOT edu>
NNTP-Posting-Host:	macbeth.informatik.uni-kiel.de
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

In <331c94e6 DOT 815065 AT ursa DOT smsu DOT edu> aho450s AT nic DOT smsu DOT edu (Tony O'Bryan) writes:

>On 4 Mar 1997 11:21:15 GMT, steve_chew AT uk DOT ibm DOT com wrote:

>>Sorry about the confusion - the docs do not mention Allegro, just the timing
>>issue. SB05_DJ2 appears to be the latest version of the library.
>>
>>I am using slightly older versions of DJGPP and Allegro - I will link my program
>>to Allegro 2.2 and see if this makes any difference.

>The same problem occurs with Allegro 2.11.  Through experimentation, I have
>narrowed the culprit to the blit() command.  I haven't scoured the blit() code
>to see what could possibly be causing the problem, but the problem goes away if
>I remove all references to blit().  Since the code in question uses only one
>blit() command (in a loop), it was easy to positively identify.

I'm using SB05_DJ2 with jlib-1.7 ( portable graphic library based on
GRX20 ) and encounter timing problems when playing mod files. 
They are related to screen activities and seem to have the same source
as the allegro problems. 

If you have any results, please let me know.

Henrik
-- 
Henrik Schmidt                  Christian-Albrechts-Universitaet zu Kiel
Institut fuer Informatik        +49 (431) 5604 -  81 Fax or 75 Phone
Preusserstr. 1-9                http://www.informatik.uni-kiel.de/~hbs/
24105 Kiel, Germany             email: hbs AT informatik DOT uni-kiel DOT de

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