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comp.os.msdos.programmer FAQ part 4/5
Section - - How can a program tell whether ANSI.SYS is installed?

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Date: 5 Feb 2002 22:03:03 -0400

 In DOS 4.0 and above, call INT 2F AX=1A00. If the value FF is returned
 in AL, ANSI.SYS is installed. For more information, see Ralf Brown's
 interrupt list (<Q:02.03> [What and where is Ralf Brown's interrupt
 list?]).

User Contributions:

1
Ben in Seattle
⚠
Jun 2, 2026 @ 4:16 pm
Another solution is to use a parallel port loopback plug. It makes the PC think there is a printer attached. The benefit of this is it doesn't require anticipating the problem with ANSI.SYS escape sequences nor does it make you wait half an hour for the "Abort, Retry, Ignore?" prompt, as some versions of DOS do.

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Top Document: comp.os.msdos.programmer FAQ part 4/5
Previous Document: - How can my program tell if it's running under Windows?
Next Document: - How do I copyright software that I write?

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Last Update March 27 2014 @ 02:11 PM