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69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
// Atari XL/XE SAP music file emulator
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// Game_Music_Emu 0.6.0
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#ifndef SAP_EMU_H
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#define SAP_EMU_H
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#include "Classic_Emu.h"
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#include "Sap_Apu.h"
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#include "Sap_Cpu.h"
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class Sap_Emu : private Sap_Cpu, public Classic_Emu {
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typedef Sap_Cpu cpu;
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public:
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static gme_type_t static_type() { return gme_sap_type; }
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public:
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Sap_Emu();
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~Sap_Emu();
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struct info_t {
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byte const* rom_data;
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const char* warning;
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long init_addr;
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long play_addr;
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long music_addr;
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int type;
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int track_count;
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int fastplay;
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bool stereo;
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char author [256];
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char name [256];
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char copyright [ 32];
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};
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protected:
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blargg_err_t track_info_( track_info_t*, int track ) const;
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blargg_err_t load_mem_( byte const*, long );
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blargg_err_t start_track_( int );
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blargg_err_t run_clocks( blip_time_t&, int );
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void set_tempo_( double );
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void set_voice( int, Blip_Buffer*, Blip_Buffer*, Blip_Buffer* );
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void update_eq( blip_eq_t const& );
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public: private: friend class Sap_Cpu;
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int cpu_read( sap_addr_t );
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void cpu_write( sap_addr_t, int );
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void cpu_write_( sap_addr_t, int );
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private:
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info_t info;
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byte const* file_end;
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sap_time_t scanline_period;
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sap_time_t next_play;
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sap_time_t time_mask;
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Sap_Apu apu;
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Sap_Apu apu2;
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// large items
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struct {
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byte padding1 [0x100];
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byte ram [0x10000];
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byte padding2 [0x100];
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} mem;
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Sap_Apu_Impl apu_impl;
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sap_time_t play_period() const;
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void call_play();
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void cpu_jsr( sap_addr_t );
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void call_init( int track );
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void run_routine( sap_addr_t );
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};
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#endif
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