62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
#include <map>
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#include "adlib.h"
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#include "dbopl.h"
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enum Waveform
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{
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SIN = 0, HALF_SIN = 1, ABS_SIN = 2, QUART_SIN = 3
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};
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enum FreqMultiple
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{
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xHALF=0, x1=1, x2=2, x3=3, x4=4, x5=5, x6=6, x7=7, x8=8, x9=9, x10=10, x12=12, x15=15
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};
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class Hiopl {
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public:
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static const int CHANNELS = 9;
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static const int OSCILLATORS = 2;
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Hiopl(int buflen);
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void Generate(int length, short* buffer);
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void Generate(int length, float* buffer);
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void SetSampleRate(int hz);
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void EnableWaveformControl();
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void EnableOpl3Mode();
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void EnableTremolo(int ch, int osc, bool enable);
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void EnableVibrato(int ch, int osc, bool enable);
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void VibratoDepth(bool high);
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void TremoloDepth(bool high);
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void EnableSustain(int ch, int osc, bool enable);
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void EnableKsr(int ch, int osc, bool enable);
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// true = additive; false = frequency modulation
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void EnableAdditiveSynthesis(int ch, bool enable);
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void SetWaveform(int ch, int osc, Waveform wave);
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void SetAttenuation(int ch, int osc, int level);
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void SetKsl(int ch, int osc, int level);
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void SetFrequencyMultiple(int ch, int osc, FreqMultiple mult);
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void SetEnvelopeAttack(int ch, int osc, int t);
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void SetEnvelopeDecay(int ch, int osc, int t);
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void SetEnvelopeSustain(int ch, int osc, int level);
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void SetEnvelopeRelease(int ch, int osc, int t);
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void SetModulatorFeedback(int ch, int level);
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void KeyOn(int ch, float frqHz);
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void KeyOff(int ch);
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void _WriteReg(Bit32u reg, Bit8u value, Bit8u mask=0x0);
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void _ClearRegBits(Bit32u reg, Bit8u mask);
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~Hiopl();
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private:
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Adlib::Handler *adlib;
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Bit8u regCache[256];
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Bit32s *Buf32;
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bool _CheckParams(int ch, int osc);
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int _GetOffset(int ch, int osc);
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int _GetOffset(int ch);
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void _milliHertzToFnum(unsigned int milliHertz, unsigned int *fnum, unsigned int *block, unsigned int conversionFactor=49716);
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std::map<int, int> _op1offset;
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std::map<int, int> _op2offset;
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};
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