bsnes/higan/gb/apu/noise/noise.hpp

31 lines
608 B
C++

struct Noise {
auto dacEnable() const -> bool;
auto getPeriod() const -> uint;
auto run() -> void;
auto clockLength() -> void;
auto clockEnvelope() -> void;
auto read(uint16 addr) -> uint8;
auto write(uint16 addr, uint8 data) -> void;
auto power(bool initializeLength = true) -> void;
auto serialize(serializer&) -> void;
bool enable;
uint4 envelopeVolume;
bool envelopeDirection;
uint3 envelopeFrequency;
uint4 frequency;
bool narrow;
uint3 divisor;
bool counter;
int16 output;
uint length;
uint3 envelopePeriod;
uint4 volume;
uint period;
uint15 lfsr;
};