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Diffstat (limited to 'plugins/gme/Game_Music_Emu-0.5.2/gme/Kss_Scc_Apu.h')
-rw-r--r--plugins/gme/Game_Music_Emu-0.5.2/gme/Kss_Scc_Apu.h106
1 files changed, 0 insertions, 106 deletions
diff --git a/plugins/gme/Game_Music_Emu-0.5.2/gme/Kss_Scc_Apu.h b/plugins/gme/Game_Music_Emu-0.5.2/gme/Kss_Scc_Apu.h
deleted file mode 100644
index 03a6a108..00000000
--- a/plugins/gme/Game_Music_Emu-0.5.2/gme/Kss_Scc_Apu.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// Konami SCC sound chip emulator
-
-// Game_Music_Emu 0.5.2
-#ifndef KSS_SCC_APU_H
-#define KSS_SCC_APU_H
-
-#include "blargg_common.h"
-#include "Blip_Buffer.h"
-#include <string.h>
-
-class Scc_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 = 0x90 };
- void write( blip_time_t time, int reg, 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 to 4. If buffer is NULL, the specified oscillator is muted.
- enum { osc_count = 5 };
- 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:
- Scc_Apu();
-private:
- enum { amp_range = 0x8000 };
- struct osc_t
- {
- int delay;
- int phase;
- int last_amp;
- Blip_Buffer* output;
- };
- osc_t oscs [osc_count];
- blip_time_t last_time;
- unsigned char regs [reg_count];
- Blip_Synth<blip_med_quality,1> synth;
-
- void run_until( blip_time_t );
-};
-
-inline void Scc_Apu::volume( double v ) { synth.volume( 0.43 / osc_count / amp_range * v ); }
-
-inline void Scc_Apu::treble_eq( blip_eq_t const& eq ) { synth.treble_eq( eq ); }
-
-inline void Scc_Apu::osc_output( int index, Blip_Buffer* b )
-{
- assert( (unsigned) index < osc_count );
- oscs [index].output = b;
-}
-
-inline void Scc_Apu::write( blip_time_t time, int addr, int data )
-{
- assert( (unsigned) addr < reg_count );
- run_until( time );
- regs [addr] = data;
-}
-
-inline void Scc_Apu::end_frame( blip_time_t end_time )
-{
- if ( end_time > last_time )
- run_until( end_time );
- last_time -= end_time;
- assert( last_time >= 0 );
-}
-
-inline void Scc_Apu::output( Blip_Buffer* buf )
-{
- for ( int i = 0; i < osc_count; i++ )
- oscs [i].output = buf;
-}
-
-inline Scc_Apu::Scc_Apu()
-{
- output( 0 );
-}
-
-inline void Scc_Apu::reset()
-{
- last_time = 0;
-
- for ( int i = 0; i < osc_count; i++ )
- memset( &oscs [i], 0, offsetof (osc_t,output) );
-
- memset( regs, 0, sizeof regs );
-}
-
-#endif