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Annotation of os2sdk/demos/examples/beepc/beepc.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Example of DOSBEEP usage
        !             3:  *
        !             4:  * This call generates a tone from the speaker with the specified
        !             5:  * frequency and duration. This program works in Family API mode.
        !             6:  *
        !             7:  * Compile as: cl -AL -Lp -G0 beepc.c
        !             8:  *
        !             9:  * Copyright (C) Microsoft Corp. 1986
        !            10:  */
        !            11: 
        !            12: #include  <doscalls.h>
        !            13: 
        !            14: main()
        !            15: {
        !            16:        unsigned int Frequency;         /* in Hertz  (range 0x25 to 0x7fff) */
        !            17:        unsigned int Duration;          /* in milliseconds                  */
        !            18: 
        !            19:        Frequency = 1000;
        !            20:        Duration  =  500;               /* 1/2 second */
        !            21: 
        !            22:        DOSBEEP(Frequency, Duration);   /* Produce tone */
        !            23: }

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