From:	"Tom Friedel" <tfriedel AT ix DOT netcom DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Need Expanded Memory access (really) with DJGPP
Date:	Wed, 26 May 1999 21:48:25 -0400
Organization:	Netcom
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

I have a legacy TopSpeed (a discontinued C compiler) application which
communicates with a DOS device driver through Expanded Memory.  I do not
have source code to the device driver.

I would like to switch to DJGPP because I need TCP/IP support, which I plan
to get with the Wsock library.

Having read the FAQ's and documentation, I see that I can access memory
below 1 MB, but am not clear if there is an explict Expanded Memory
interface.  I need the TopSpeed equivalent of ALLOWLOWSEG and FREESEG, which
return and take selector.  I am not an expert on the different DOS memory
managers, and the intricacies of DPMI and EMS and XMS, and would greatly
appreciate and advice.

I have downloaded DJGPP and Wsock and was very impressed with the ease of
installation and lack of problems in building the sample programs.

thank you,

Tom Friedel
Ready Ink Incorporated
Custom Internet Software and Web Sites
2500 E. Las Olas Blvd. #804
Fort Lauderdale, FL 33301
http://www.readyink.com
Voice/Fax: 954-523-4182

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