gzdoom-gles/libraries/game-music-emu/gme/Sap_Emu.h
Christoph Oelckers 040cb17370 - moved third party library projects to a subfolder to reduce size of the root.
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2020-01-04 21:30:08 +01:00

68 lines
1.5 KiB
C++

// Atari XL/XE SAP music file emulator
// Game_Music_Emu https://bitbucket.org/mpyne/game-music-emu/
#ifndef SAP_EMU_H
#define SAP_EMU_H
#include "Classic_Emu.h"
#include "Sap_Apu.h"
#include "Sap_Cpu.h"
class Sap_Emu : private Sap_Cpu, public Classic_Emu {
typedef Sap_Cpu cpu;
public:
static gme_type_t static_type() { return gme_sap_type; }
public:
Sap_Emu();
~Sap_Emu();
struct info_t {
byte const* rom_data;
const char* warning;
long init_addr;
long play_addr;
long music_addr;
int type;
int track_count;
int fastplay;
bool stereo;
char author [256];
char name [256];
char copyright [ 32];
};
protected:
blargg_err_t track_info_( track_info_t*, int track ) const;
blargg_err_t load_mem_( byte const*, long );
blargg_err_t start_track_( int );
blargg_err_t run_clocks( blip_time_t&, int );
void set_tempo_( double );
void set_voice( int, Blip_Buffer*, Blip_Buffer*, Blip_Buffer* );
void update_eq( blip_eq_t const& );
public: private: friend class Sap_Cpu;
int cpu_read( sap_addr_t );
void cpu_write( sap_addr_t, int );
void cpu_write_( sap_addr_t, int );
private:
info_t info;
byte const* file_end;
sap_time_t scanline_period;
sap_time_t next_play;
sap_time_t time_mask;
Sap_Apu apu;
Sap_Apu apu2;
// large items
struct {
byte padding1 [0x100];
byte ram [0x10000 + 0x100];
} mem;
Sap_Apu_Impl apu_impl;
sap_time_t play_period() const;
void call_play();
void cpu_jsr( sap_addr_t );
void call_init( int track );
void run_routine( sap_addr_t );
};
#endif