73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2021 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#ifndef TIA_AUDIO_HXX
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#define TIA_AUDIO_HXX
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#include "AudioChannel.h"
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#include <array>
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namespace TIA {
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class Audio
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{
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public:
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Audio();
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void reset(bool stereo);
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void tick();
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void write(unsigned char addr, unsigned char val);
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AudioChannel& channel0();
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AudioChannel& channel1();
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short myCurrentSample[2];
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short myChannelOut[2];
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private:
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void phase1();
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void addSample(unsigned char sample0, unsigned char sample1);
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private:
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unsigned char myCounter{0};
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AudioChannel myChannel0;
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AudioChannel myChannel1;
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bool stereo;
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std::array<short, 0x1e + 1> myMixingTableSum;
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std::array<short, 0x0f + 1> myMixingTableIndividual;
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unsigned int mySampleIndex{0};
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#ifdef GUI_SUPPORT
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bool myRewindMode{false};
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mutable ByteArray mySamples;
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#endif
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private:
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Audio(const Audio&) = delete;
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Audio(Audio&&) = delete;
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Audio& operator=(const Audio&) = delete;
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Audio& operator=(Audio&&) = delete;
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};
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}
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#endif // TIA_AUDIO_HXX
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