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Microsoft OS/2 SDK 03-01-1988

/* This example illustrates the use of an IOPL segment. This program
 * gets the cursor location by calling a routine running at I/O
 * privilege level and prints it on the screen.
 *
 * This needs to run on a CGA compatible display.
 *
 * Created by Microsoft Corp. 1986
 */

#define	COLUMNS	80			/* number of columns on CRT screen   */

unsigned far GetCurLoc();		/* gets cursor position on CRT screen*/

main()
{
	unsigned Cursor;			/* will hold cursor position */

	Cursor = GetCurLoc();
	printf ( "cursor location: row = %u, column = %u\n", 
                 (Cursor/COLUMNS)+1, (Cursor % COLUMNS)+1);
}

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