cog/Frameworks/GME/gme/Qsound_Apu.h

37 lines
835 B
C++

// Capcom QSound sound chip emulator interface
// Game_Music_Emu $vers
#ifndef QSOUND_APU_H
#define QSOUND_APU_H
class Qsound_Apu {
void* chip;
void* rom;
int rom_size;
int sample_rate;
public:
Qsound_Apu();
~Qsound_Apu();
// Sets output sample rate and chip clock rates, in Hz. Returns non-zero
// if error.
int set_rate( int clock_rate );
void set_sample_rate( int sample_rate );
// Resets to power-up state
void reset();
// Writes data to addr
void write( int addr, int data );
// Scales ROM size, then writes length bytes from data at start offset
void write_rom( int size, int start, int length, void const* data );
// Runs and writes pair_count*2 samples to output
typedef short sample_t;
enum { out_chan_count = 2 }; // stereo
void run( int pair_count, sample_t* out );
};
#endif