Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT sourceware DOT cygnus DOT com Delivered-To: mailing list cygwin AT sourceware DOT cygnus DOT com Message-ID: <20000404093134.57992.qmail@hotmail.com> X-Originating-IP: [195.212.29.114] From: "Michele Liberi" To: cygwin AT sourceware DOT cygnus DOT com Subject: beeping internal speaker - asm in/out Date: Tue, 04 Apr 2000 02:31:33 PDT Mime-Version: 1.0 Content-Type: text/plain; format=flowed Windows has a system function that Beeps the internal speaker... ... but it simply doesn't work! The two parameters, Pitch and Duration, are ignored and the same sound is always produced. I found a little assembler code for beeping the speaker, but I don't succeed to get it compiled with gcc 2.95.2. the code is: (turn internal speaker OFF) in al,61 and al,252 out 61,al (turn internal speaker ON) in al,61 or al,3 out 61,al I coded it as follows: asm("in %al,61"); asm("and %al,252"); asm("out 61,%al"); asm( "in %al,61\n" "or %al,3\n" "out 61,%al\n" ); but I obtain the following error: ...: Assembler messages: ...: Error: suffix or operands invalid for `in' ...: Error: suffix or operands invalid for `out' ...: Error: suffix or operands invalid for `in' ...: Error: suffix or operands invalid for `out' and NOW the questions: 1) What's wrong with the code I wrote? Why gcc complains? 2) Is it possible to do the same work with C without using asm? 3) Is there any way to link objects produced with other C compilers? for example Borland C has embedded inp and outp functions Any link to information available on the internet is welcome. any help will be appreciated. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe AT sourceware DOT cygnus DOT com