32 lines
786 B
C++
32 lines
786 B
C++
/*
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Copyright David N. Welton <davidw@dedasys.com> 2003
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This code may be distributed under the same terms as bochs.
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*/
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/* This file defines a class to deal with the speaker.
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* This class also tries to play beeps on the console
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* (linux only) and also forwards beeps to the gui
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* so we have the possiblity to signal the beep
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*/
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class bx_speaker_c : public bx_speaker_stub_c {
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public:
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bx_speaker_c();
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~bx_speaker_c();
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virtual void init(void);
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virtual void reset(unsigned int);
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void beep_on(float frequency);
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void beep_off();
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private:
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float beep_frequency; // 0 : beep is off
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#ifdef __linux__
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/* Do we have access? If not, just skip everything else. */
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signed int consolefd;
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const static unsigned int clock_tick_rate = 1193180;
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#endif
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};
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