bsnes/higan/gb/apu/square1/square1.hpp

39 lines
793 B
C++

struct Square1 {
auto dacEnable() const -> bool;
auto run() -> void;
auto sweep(bool update) -> void;
auto clockLength() -> void;
auto clockSweep() -> 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;
uint3 sweepFrequency;
bool sweepDirection;
uint3 sweepShift;
bool sweepNegate;
uint2 duty;
uint length;
uint4 envelopeVolume;
bool envelopeDirection;
uint3 envelopeFrequency;
uint11 frequency;
bool counter;
int16 output;
bool dutyOutput;
uint3 phase;
uint period;
uint3 envelopePeriod;
uint3 sweepPeriod;
int frequencyShadow;
bool sweepEnable;
uint4 volume;
};