mirror of https://github.com/bsnes-emu/bsnes.git
56 lines
939 B
C++
56 lines
939 B
C++
//TI SN76489 (derivative)
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struct PSG : Thread {
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shared_pointer<Emulator::Stream> stream;
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static auto Enter() -> void;
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auto main() -> void;
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auto step(uint clocks) -> void;
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auto power() -> void;
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//io.cpp
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auto write(uint8 data) -> void;
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//serialization.cpp
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auto serialize(serializer&) -> void;
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private:
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struct Tone {
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//tone.cpp
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auto run() -> void;
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auto power() -> void;
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//serialization.cpp
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auto serialize(serializer&) -> void;
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uint4 volume;
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uint10 counter;
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uint10 pitch;
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uint1 output;
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} tone0, tone1, tone2;
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struct Noise {
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//noise.cpp
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auto run() -> void;
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auto power() -> void;
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//serialization.cpp
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auto serialize(serializer&) -> void;
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uint4 volume;
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uint10 counter;
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uint10 pitch;
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uint1 enable;
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uint2 rate;
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uint16 lfsr;
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uint1 clock;
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uint1 output;
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} noise;
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uint3 select;
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int16 levels[16];
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};
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extern PSG psg;
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