mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-12-02 00:43:43 +00:00
94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
// TurboGrafx-16/PC Engine HES music file emulator
|
|
|
|
// Game_Music_Emu https://bitbucket.org/mpyne/game-music-emu/
|
|
#ifndef HES_EMU_H
|
|
#define HES_EMU_H
|
|
|
|
#include "Classic_Emu.h"
|
|
#include "Hes_Apu.h"
|
|
#include "Hes_Cpu.h"
|
|
|
|
class Hes_Emu : private Hes_Cpu, public Classic_Emu {
|
|
typedef Hes_Cpu cpu;
|
|
public:
|
|
// HES file header
|
|
enum { header_size = 0x20 };
|
|
struct header_t
|
|
{
|
|
byte tag [4];
|
|
byte vers;
|
|
byte first_track;
|
|
byte init_addr [2];
|
|
byte banks [8];
|
|
byte data_tag [4];
|
|
byte size [4];
|
|
byte addr [4];
|
|
byte unused [4];
|
|
};
|
|
|
|
// Header for currently loaded file
|
|
header_t const& header() const { return header_; }
|
|
|
|
static gme_type_t static_type() { return gme_hes_type; }
|
|
|
|
public:
|
|
Hes_Emu();
|
|
~Hes_Emu();
|
|
protected:
|
|
blargg_err_t track_info_( track_info_t*, int track ) const;
|
|
blargg_err_t load_( Data_Reader& );
|
|
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& );
|
|
void unload();
|
|
public: private: friend class Hes_Cpu;
|
|
byte* write_pages [page_count + 1]; // 0 if unmapped or I/O space
|
|
|
|
int cpu_read_( hes_addr_t );
|
|
int cpu_read( hes_addr_t );
|
|
void cpu_write_( hes_addr_t, int data );
|
|
void cpu_write( hes_addr_t, int );
|
|
void cpu_write_vdp( int addr, int data );
|
|
byte const* cpu_set_mmr( int page, int bank );
|
|
int cpu_done();
|
|
private:
|
|
Rom_Data<page_size> rom;
|
|
header_t header_;
|
|
hes_time_t play_period;
|
|
hes_time_t last_frame_hook;
|
|
int timer_base;
|
|
|
|
struct {
|
|
hes_time_t last_time;
|
|
blargg_long count;
|
|
blargg_long load;
|
|
int raw_load;
|
|
byte enabled;
|
|
byte fired;
|
|
} timer;
|
|
|
|
struct {
|
|
hes_time_t next_vbl;
|
|
byte latch;
|
|
byte control;
|
|
} vdp;
|
|
|
|
struct {
|
|
hes_time_t timer;
|
|
hes_time_t vdp;
|
|
byte disables;
|
|
} irq;
|
|
|
|
void recalc_timer_load();
|
|
|
|
// large items
|
|
Hes_Apu apu;
|
|
byte sgx [3 * page_size + cpu_padding];
|
|
|
|
void irq_changed();
|
|
void run_until( hes_time_t );
|
|
};
|
|
|
|
#endif
|