mirror of
https://github.com/AppleWin/AppleWin.git
synced 2024-12-22 09:30:15 +00:00
71c67cf132
Mockingboard or Phasor cards can be inserted into any slot. Change Config->Sound to that slots 4+5 to be individually selected for the 3 soundcard types. Add MockingboardCardManager class to manage multiple cards and mix the sound buffers.
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#pragma once
|
|
|
|
//-------------------------------------
|
|
// FUSE stuff
|
|
|
|
typedef ULONG libspectrum_dword;
|
|
typedef UCHAR libspectrum_byte;
|
|
typedef SHORT libspectrum_signed_word;
|
|
|
|
/* max. number of sub-frame AY port writes allowed;
|
|
* given the number of port writes theoretically possible in a
|
|
* 50th I think this should be plenty.
|
|
*/
|
|
#define AY_CHANGE_MAX 8000
|
|
|
|
class AY8913
|
|
{
|
|
public:
|
|
AY8913(void);
|
|
~AY8913(void) {};
|
|
|
|
void sound_ay_init( void );
|
|
void sound_init( const char *device );
|
|
BYTE sound_ay_read( int reg ); // TC
|
|
void sound_ay_write( int reg, int val, libspectrum_dword now );
|
|
void sound_ay_reset( void );
|
|
void sound_frame( void );
|
|
BYTE* GetAYRegsPtr( void ) { return &sound_ay_registers[0]; }
|
|
void SetFramesize(int frameSize) { sound_generator_framesiz = frameSize; }
|
|
void SetSoundBuffers(INT16** buffers) { ppSoundBuffers = buffers; }
|
|
static void SetCLK( double CLK ) { m_fCurrentCLK_AY8910 = CLK; }
|
|
void SaveSnapshot(class YamlSaveHelper& yamlSaveHelper, const std::string& suffix);
|
|
bool LoadSnapshot(class YamlLoadHelper& yamlLoadHelper, const std::string& suffix);
|
|
|
|
private:
|
|
void init( void );
|
|
void sound_end( void );
|
|
void sound_ay_overlay( void );
|
|
|
|
private:
|
|
/* foo_subcycles are fixed-point with low 16 bits as fractional part.
|
|
* The other bits count as the chip does.
|
|
*/
|
|
unsigned int ay_tone_tick[3], ay_tone_high[3], ay_noise_tick;
|
|
unsigned int ay_tone_subcycles, ay_env_subcycles;
|
|
unsigned int ay_env_internal_tick, ay_env_tick;
|
|
unsigned int ay_tick_incr;
|
|
unsigned int ay_tone_period[3], ay_noise_period, ay_env_period;
|
|
|
|
//static int beeper_last_subpos[2] = { 0, 0 };
|
|
|
|
/* Local copy of the AY registers */
|
|
libspectrum_byte sound_ay_registers[16];
|
|
|
|
struct ay_change_tag
|
|
{
|
|
libspectrum_dword tstates;
|
|
unsigned short ofs;
|
|
unsigned char reg, val;
|
|
};
|
|
|
|
struct ay_change_tag ay_change[ AY_CHANGE_MAX ];
|
|
int ay_change_count;
|
|
|
|
// statics from sound_ay_overlay()
|
|
int rng;
|
|
int noise_toggle;
|
|
int env_first, env_rev, env_counter;
|
|
|
|
// Vars
|
|
libspectrum_signed_word** ppSoundBuffers; // Used to pass param to sound_ay_overlay()
|
|
int sound_generator_framesiz;
|
|
int sound_generator_freq;
|
|
unsigned int ay_tone_levels[16];
|
|
|
|
// Vars shared between all AY's
|
|
static double m_fCurrentCLK_AY8910;
|
|
};
|