2023-01-01 17:26:02 +00:00
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#pragma once
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typedef signed char int8;
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typedef unsigned char uint8;
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typedef short int16;
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typedef unsigned short uint16;
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typedef int int32;
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typedef unsigned int uint32;
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typedef double float64;
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typedef char TEXT;
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typedef int BOOL;
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#define TRUE 1
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#define FALSE 0
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// Woohoo!
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#define MAX_CHANNELS 16
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// Some handy constants. Thanks eightbitbubsy.
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#define AMIGA_PAL_XTAL 28375160
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#define AMIGA_NTSC_XTAL 28636360
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#define AMIGA_CPU_PAL_CLK ((AMIGA_PAL_XTAL / 4))
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#define AMIGA_CPU_NTSC_CLK ((AMIGA_NTSC_XTAL / 4))
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#define AMIGA_CIA_PAL_CLK ((AMIGA_CPU_PAL_CLK / 10))
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#define AMIGA_CIA_NTSC_CLK ((AMIGA_CPU_NTSC_CLK / 10))
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#define AMIGA_PAULA_PAL_CLK ((AMIGA_CPU_PAL_CLK / 2))
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#define AMIGA_PAULA_NTSC_CLK ((AMIGA_CPU_NTSC_CLK / 2))
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#define Period2Freq(period) ((AMIGA_PAULA_PAL_CLK * 65536.f) / (period))
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#ifdef __cplusplus
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2023-01-01 17:47:56 +00:00
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extern "C" {
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2023-01-01 17:26:02 +00:00
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#endif
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2023-01-01 17:47:56 +00:00
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struct hvl_envelope {
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int16 aFrames, aVolume;
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int16 dFrames, dVolume;
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int16 sFrames;
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int16 rFrames, rVolume;
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int16 pad;
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};
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struct hvl_plsentry {
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uint8 ple_Note;
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uint8 ple_Waveform;
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int16 ple_Fixed;
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int8 ple_FX[2];
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int8 ple_FXParam[2];
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};
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struct hvl_plist {
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int16 pls_Speed;
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int16 pls_Length;
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struct hvl_plsentry *pls_Entries;
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};
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struct hvl_instrument {
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TEXT ins_Name[128];
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uint8 ins_Volume;
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uint8 ins_WaveLength;
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uint8 ins_FilterLowerLimit;
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uint8 ins_FilterUpperLimit;
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uint8 ins_FilterSpeed;
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uint8 ins_SquareLowerLimit;
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uint8 ins_SquareUpperLimit;
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uint8 ins_SquareSpeed;
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uint8 ins_VibratoDelay;
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uint8 ins_VibratoSpeed;
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uint8 ins_VibratoDepth;
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uint8 ins_HardCutRelease;
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uint8 ins_HardCutReleaseFrames;
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struct hvl_envelope ins_Envelope;
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struct hvl_plist ins_PList;
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};
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struct hvl_position {
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uint8 pos_Track[MAX_CHANNELS];
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int8 pos_Transpose[MAX_CHANNELS];
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};
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struct hvl_step {
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uint8 stp_Note;
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uint8 stp_Instrument;
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uint8 stp_FX;
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uint8 stp_FXParam;
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uint8 stp_FXb;
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uint8 stp_FXbParam;
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};
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struct hvl_voice {
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int16 vc_Track;
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int16 vc_NextTrack;
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int16 vc_Transpose;
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int16 vc_NextTranspose;
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int16 vc_OverrideTranspose; // 1.5
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int32 vc_ADSRVolume;
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struct hvl_envelope vc_ADSR;
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struct hvl_instrument *vc_Instrument;
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uint32 vc_SamplePos;
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uint32 vc_Delta;
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uint16 vc_InstrPeriod;
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uint16 vc_TrackPeriod;
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uint16 vc_VibratoPeriod;
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uint16 vc_WaveLength;
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int16 vc_NoteMaxVolume;
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uint16 vc_PerfSubVolume;
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uint8 vc_NewWaveform;
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uint8 vc_Waveform;
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uint8 vc_PlantPeriod;
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uint8 vc_VoiceVolume;
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uint8 vc_PlantSquare;
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uint8 vc_IgnoreSquare;
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uint8 vc_FixedNote;
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int16 vc_VolumeSlideUp;
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int16 vc_VolumeSlideDown;
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int16 vc_HardCut;
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uint8 vc_HardCutRelease;
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int16 vc_HardCutReleaseF;
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uint8 vc_PeriodSlideOn;
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int16 vc_PeriodSlideSpeed;
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int16 vc_PeriodSlidePeriod;
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int16 vc_PeriodSlideLimit;
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int16 vc_PeriodSlideWithLimit;
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int16 vc_PeriodPerfSlideSpeed;
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int16 vc_PeriodPerfSlidePeriod;
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uint8 vc_PeriodPerfSlideOn;
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int16 vc_VibratoDelay;
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int16 vc_VibratoSpeed;
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int16 vc_VibratoCurrent;
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int16 vc_VibratoDepth;
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int16 vc_SquareOn;
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int16 vc_SquareInit;
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int16 vc_SquareWait;
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int16 vc_SquareLowerLimit;
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int16 vc_SquareUpperLimit;
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int16 vc_SquarePos;
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int16 vc_SquareSign;
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int16 vc_SquareSlidingIn;
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int16 vc_SquareReverse;
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uint8 vc_FilterOn;
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uint8 vc_FilterInit;
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int16 vc_FilterWait;
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int16 vc_FilterSpeed;
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int16 vc_FilterUpperLimit;
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int16 vc_FilterLowerLimit;
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int16 vc_FilterPos;
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int16 vc_FilterSign;
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int16 vc_FilterSlidingIn;
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int16 vc_IgnoreFilter;
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int16 vc_PerfCurrent;
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int16 vc_PerfSpeed;
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int16 vc_PerfWait;
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struct hvl_plist *vc_PerfList;
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const int8 *vc_AudioPointer;
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const int8 *vc_AudioSource;
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uint8 vc_NoteDelayOn;
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uint8 vc_NoteCutOn;
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int16 vc_NoteDelayWait;
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int16 vc_NoteCutWait;
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int16 vc_AudioPeriod;
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int16 vc_AudioVolume;
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int32 vc_WNRandom;
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const int8 *vc_MixSource;
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int8 vc_SquareTempBuffer[0x80];
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int8 vc_VoiceBuffer[0x282 * 4];
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uint8 vc_VoiceNum;
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uint8 vc_TrackMasterVolume;
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uint8 vc_TrackOn;
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int16 vc_VoicePeriod;
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uint32 vc_Pan;
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uint32 vc_SetPan; // New for 1.4
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uint32 vc_PanMultLeft;
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uint32 vc_PanMultRight;
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uint32 vc_RingSamplePos;
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uint32 vc_RingDelta;
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const int8 *vc_RingMixSource;
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uint8 vc_RingPlantPeriod;
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int16 vc_RingInstrPeriod;
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int16 vc_RingBasePeriod;
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int16 vc_RingAudioPeriod;
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const int8 *vc_RingAudioSource;
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uint8 vc_RingNewWaveform;
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uint8 vc_RingWaveform;
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uint8 vc_RingFixedPeriod;
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int8 vc_RingVoiceBuffer[0x282 * 4];
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};
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struct hvl_tune {
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TEXT ht_Name[128];
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uint16 ht_SongNum;
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uint32 ht_Frequency;
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float64 ht_FreqF;
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const int8 *ht_WaveformTab[MAX_CHANNELS];
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uint16 ht_Restart;
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uint16 ht_PositionNr;
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uint8 ht_SpeedMultiplier;
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uint8 ht_TrackLength;
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uint8 ht_TrackNr;
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uint8 ht_InstrumentNr;
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uint8 ht_SubsongNr;
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uint16 ht_PosJump;
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uint32 ht_PlayingTime;
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int16 ht_Tempo;
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int16 ht_PosNr;
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uint16 ht_StepWaitFrames;
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int16 ht_NoteNr;
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uint16 ht_PosJumpNote;
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uint8 ht_GetNewPosition;
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uint8 ht_PatternBreak;
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uint8 ht_SongEndReached;
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uint8 ht_Stereo;
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uint16 *ht_Subsongs;
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uint16 ht_Channels;
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struct hvl_position *ht_Positions;
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struct hvl_step ht_Tracks[256][64];
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struct hvl_instrument *ht_Instruments;
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struct hvl_voice ht_Voices[MAX_CHANNELS];
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int32 ht_defstereo;
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int32 ht_defpanleft;
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int32 ht_defpanright;
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int32 ht_mixgain;
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uint8 ht_Version;
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};
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void hvl_DecodeFrame(struct hvl_tune *ht, int8 *buf1, int8 *buf2, int32 bufmod);
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void hvl_InitReplayer(void);
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BOOL hvl_InitSubsong(struct hvl_tune *ht, uint32 nr);
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struct hvl_tune *hvl_LoadTune(const TEXT *name, uint32 freq, uint32 defstereo);
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struct hvl_tune *hvl_ParseTune(const uint8 *buf, uint32 buflen, uint32 freq, uint32 defstereo);
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void hvl_FreeTune(struct hvl_tune *ht);
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2023-01-01 17:26:02 +00:00
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#ifdef __cplusplus
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}
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#endif
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