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

37 lines
674 B
C++
Executable File

struct Square1 {
bool enable;
uint3 sweep_frequency;
bool sweep_direction;
uint3 sweep_shift;
bool sweep_negate;
uint2 duty;
uint6 length;
uint4 envelope_volume;
bool envelope_direction;
uint3 envelope_frequency;
uint11 frequency;
bool counter;
int16 output;
bool duty_output;
uint3 phase;
unsigned period;
uint3 envelope_period;
uint3 sweep_period;
signed frequency_shadow;
bool sweep_enable;
uint4 volume;
bool dac_enable();
void run();
void sweep(bool update);
void clock_length();
void clock_sweep();
void clock_envelope();
void write(unsigned r, uint8 data);
void power();
void serialize(serializer&);
};