/*-------------------------------------------------------------------*/
/*  Program:   testd.c                                               */
/*  Author:    (c)  William M. Pipher 1990  All Rights Reserved      */
/*  Re:        Free copyrighted software utility                     */
/*  Date:      Jul 08 90                                             */
/*  Purpose:   test for disk error or printer error                  */
/*  Runs on IBM PC or compatable under PC/MS DOS 3.0 or later        */
/*                                                                   */
/*                                                                   */
/* The prog accepts EITHER user defined drive designator (d0 to d83) */
/*                  OR user defined port designator (p1 to p3)       */
/*                  and optional "quiet" parameter to mask comments. */
/*                                                                   */
/* For help enter:  TESTD ?                                          */
/* For code list enter:   TESTD codes                                */
/*                                                                   */
/* This utility is supplied for educational purposes only and is     */
/* to be used entirely and absolutely at YOUR OWN RISK!              */
/*                                                                   */
/* YOU are solely responsible for determining the program's          */
/* applicability to you and your circumstances.                      */
/*                                                                   */
/* This utility is supplied FREE. The author retains full copyright. */
/*                                                                   */
/*  Syntax:    TESTD [drive] [port] ["codes"] ["quiet"] [?]          */
/*                                                                   */
/*  Example:   TESTD d0 quiet                                        */
/*  Example:   TESTD p1                                              */
/*  Example:   TESTD codes                                           */
/*  Example:   TESTD ?                                               */
/*                                                                   */
/*  Calls:     Standard Microsoft C 5.1 Libraries                    */
/*             small memory model                                    */
/*                                                                   */
/*  Side Eff:  does direct reads from                                */
/*             parallel status port, bytes at port vectors (0x408+)  */
/*-------------------------------------------------------------------*/