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From: dslg0849@uxa.cso.uiuc.edu (Daniel S. Lewart)
Newsgroups: comp.lang.pascal
Subject: TP DetectGraph on ATT 6300
Summary: On my ATT 6300 DetectGraph returns CGA
Keywords: 6300 ATT DetectGraph TP
Message-ID: <1990Nov12.205905.27226@ux1.cso.uiuc.edu>
Date: 12 Nov 90 20:59:05 GMT
Sender: news@ux1.cso.uiuc.edu (News)
Organization: University of Illinois at Urbana
Lines: 19

I am running Turbo Pascal 5.5 on an ATT 6300.  When I execute the following
program, DetectGraph tells me that I have a CGA graphics driver, when, in fact,
I have an ATT400 graph driver:
     Uses Graph;
     var
       GraphDriver,GraphMode: Integer;
     Begin
       DetectGraph(GraphDriver,GraphMode);
       WriteLn( 'GraphDriver GraphMode =', GraphDriver:2, GraphMode:2 );
     End.
INFOPLUS 1.35 also uses DetectGraph and claims I have a CGA.

How can a program figure out which graphics driver is installed?  Ideally, the
code would call an interrupt to determine the driver.  If that is not possible,
determining that the PC is an ATT would be sufficient.

Thank you,
Daniel Lewart
d-lewart@uiuc.edu