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Diffstat (limited to 'plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Apu.h')
-rw-r--r--plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Apu.h107
1 files changed, 0 insertions, 107 deletions
diff --git a/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Apu.h b/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Apu.h
deleted file mode 100644
index 31956939..00000000
--- a/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Apu.h
+++ /dev/null
@@ -1,107 +0,0 @@
-// AY-3-8910 sound chip emulator
-
-// Game_Music_Emu 0.5.2
-#ifndef AY_APU_H
-#define AY_APU_H
-
-#include "blargg_common.h"
-#include "Blip_Buffer.h"
-
-class Ay_Apu {
-public:
- // Set buffer to generate all sound into, or disable sound if NULL
- void output( Blip_Buffer* );
-
- // Reset sound chip
- void reset();
-
- // Write to register at specified time
- enum { reg_count = 16 };
- void write( blip_time_t time, int addr, int data );
-
- // Run sound to specified time, end current time frame, then start a new
- // time frame at time 0. Time frames have no effect on emulation and each
- // can be whatever length is convenient.
- void end_frame( blip_time_t length );
-
-// Additional features
-
- // Set sound output of specific oscillator to buffer, where index is
- // 0, 1, or 2. If buffer is NULL, the specified oscillator is muted.
- enum { osc_count = 3 };
- void osc_output( int index, Blip_Buffer* );
-
- // Set overall volume (default is 1.0)
- void volume( double );
-
- // Set treble equalization (see documentation)
- void treble_eq( blip_eq_t const& );
-
-public:
- Ay_Apu();
- typedef unsigned char byte;
-private:
- struct osc_t
- {
- blip_time_t period;
- blip_time_t delay;
- short last_amp;
- short phase;
- Blip_Buffer* output;
- } oscs [osc_count];
- blip_time_t last_time;
- byte latch;
- byte regs [reg_count];
-
- struct {
- blip_time_t delay;
- blargg_ulong lfsr;
- } noise;
-
- struct {
- blip_time_t delay;
- byte const* wave;
- int pos;
- byte modes [8] [48]; // values already passed through volume table
- } env;
-
- void run_until( blip_time_t );
- void write_data_( int addr, int data );
-public:
- enum { amp_range = 255 };
- Blip_Synth<blip_good_quality,1> synth_;
-};
-
-inline void Ay_Apu::volume( double v ) { synth_.volume( 0.7 / osc_count / amp_range * v ); }
-
-inline void Ay_Apu::treble_eq( blip_eq_t const& eq ) { synth_.treble_eq( eq ); }
-
-inline void Ay_Apu::write( blip_time_t time, int addr, int data )
-{
- run_until( time );
- write_data_( addr, data );
-}
-
-inline void Ay_Apu::osc_output( int i, Blip_Buffer* buf )
-{
- assert( (unsigned) i < osc_count );
- oscs [i].output = buf;
-}
-
-inline void Ay_Apu::output( Blip_Buffer* buf )
-{
- osc_output( 0, buf );
- osc_output( 1, buf );
- osc_output( 2, buf );
-}
-
-inline void Ay_Apu::end_frame( blip_time_t time )
-{
- if ( time > last_time )
- run_until( time );
-
- assert( last_time >= time );
- last_time -= time;
-}
-
-#endif