Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!seismo!uwvax!husc6!panda!genrad!decvax!tektronix!uw-beaver!uw-june!entropy!dataio!bright
From: bright@dataio.UUCP (Walter Bright)
Newsgroups: net.micro.pc
Subject: Re: How do you beep?
Message-ID: <1080@dataio.UUCP>
Date: Mon, 8-Sep-86 12:48:00 EDT
Article-I.D.: dataio.1080
Posted: Mon Sep  8 12:48:00 1986
Date-Received: Tue, 9-Sep-86 17:57:51 EDT
References: <23900032@siemens.UUCP> <960003@hpcnof.UUCP>
Reply-To: bright@dataio.UUCP (Walter Bright
Organization: Data I/O Corp., Redmond WA
Lines: 10

In article <960003@hpcnof.UUCP> thj@hpcnof.UUCP (Thomas Hjellming) writes:
>>How do you program the sound on an IBM AT or XT?  The technical reference
>>manual does not help much.  The PLAY and SOUND instructions of BASIC are not
>>useful in a C program.  (No, I don't want to fork BASICA to make a beep :-)
>      The 'Programmers Guide to the IBM PC' by Peter Norton contains
>an entire chapter about sound generation on the PC family.  It contains
>all the information you are requesting.

Also, try 'Bluebook of Assembly Routines for the IBM PC and XT' by
Christopher L. Morgan.