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Diffstat (limited to 'plugins/gme/game-music-emu-0.5.5/gme/Gb_Apu.h')
-rw-r--r--plugins/gme/game-music-emu-0.5.5/gme/Gb_Apu.h90
1 files changed, 0 insertions, 90 deletions
diff --git a/plugins/gme/game-music-emu-0.5.5/gme/Gb_Apu.h b/plugins/gme/game-music-emu-0.5.5/gme/Gb_Apu.h
deleted file mode 100644
index e74ebc55..00000000
--- a/plugins/gme/game-music-emu-0.5.5/gme/Gb_Apu.h
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@@ -1,90 +0,0 @@
-// Nintendo Game Boy PAPU sound chip emulator
-
-// Gb_Snd_Emu 0.1.5
-#ifndef GB_APU_H
-#define GB_APU_H
-
-#include "Gb_Oscs.h"
-
-class Gb_Apu {
-public:
-
- // Set overall volume of all oscillators, where 1.0 is full volume
- void volume( double );
-
- // Set treble equalization
- void treble_eq( const blip_eq_t& );
-
- // Outputs can be assigned to a single buffer for mono output, or to three
- // buffers for stereo output (using Stereo_Buffer to do the mixing).
-
- // Assign all oscillator outputs to specified buffer(s). If buffer
- // is NULL, silences all oscillators.
- void output( Blip_Buffer* mono );
- void output( Blip_Buffer* center, Blip_Buffer* left, Blip_Buffer* right );
-
- // Assign single oscillator output to buffer(s). Valid indicies are 0 to 3,
- // which refer to Square 1, Square 2, Wave, and Noise. If buffer is NULL,
- // silences oscillator.
- enum { osc_count = 4 };
- void osc_output( int index, Blip_Buffer* mono );
- void osc_output( int index, Blip_Buffer* center, Blip_Buffer* left, Blip_Buffer* right );
-
- // Reset oscillators and internal state
- void reset();
-
- // Reads and writes at addr must satisfy start_addr <= addr <= end_addr
- enum { start_addr = 0xFF10 };
- enum { end_addr = 0xFF3F };
- enum { register_count = end_addr - start_addr + 1 };
-
- // Write 'data' to address at specified time
- void write_register( blip_time_t, unsigned addr, int data );
-
- // Read from address at specified time
- int read_register( blip_time_t, unsigned addr );
-
- // Run all oscillators up to specified time, end current time frame, then
- // start a new frame at time 0.
- void end_frame( blip_time_t );
-
- void set_tempo( double );
-
-public:
- Gb_Apu();
-private:
- // noncopyable
- Gb_Apu( const Gb_Apu& );
- Gb_Apu& operator = ( const Gb_Apu& );
-
- Gb_Osc* oscs [osc_count];
- blip_time_t next_frame_time;
- blip_time_t last_time;
- blip_time_t frame_period;
- double volume_unit;
- int frame_count;
-
- Gb_Square square1;
- Gb_Square square2;
- Gb_Wave wave;
- Gb_Noise noise;
- BOOST::uint8_t regs [register_count];
- Gb_Square::Synth square_synth; // used by squares
- Gb_Wave::Synth other_synth; // used by wave and noise
-
- void update_volume();
- void run_until( blip_time_t );
- void write_osc( int index, int reg, int data );
-};
-
-inline void Gb_Apu::output( Blip_Buffer* b ) { output( b, b, b ); }
-
-inline void Gb_Apu::osc_output( int i, Blip_Buffer* b ) { osc_output( i, b, b, b ); }
-
-inline void Gb_Apu::volume( double vol )
-{
- volume_unit = 0.60 / osc_count / 15 /*steps*/ / 2 /*?*/ / 8 /*master vol range*/ * vol;
- update_volume();
-}
-
-#endif