diff options
Diffstat (limited to 'sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h')
-rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h | 102 |
1 files changed, 3 insertions, 99 deletions
diff --git a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h index 3a40d6aed4..34ee2ce7b8 100644 --- a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h +++ b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h @@ -30,6 +30,7 @@ #include "sound/mixer.h" #include "common/list.h" +class TownsPC98_FmSynthOperator; class TownsPC98_FmSynthSquareSineSource; class TownsPC98_FmSynthPercussionSource; @@ -41,96 +42,6 @@ enum EnvelopeState { kEnvReleasing }; -class TownsPC98_FmSynthOperator { -public: - TownsPC98_FmSynthOperator(const uint32 timerbase, const uint8 *rateTable, - const uint8 *shiftTable, const uint8 *attackDecayTable, const uint32 *frqTable, - const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable); - ~TownsPC98_FmSynthOperator() {} - - void keyOn(); - void keyOff(); - void frequency(int freq); - void updatePhaseIncrement(); - void recalculateRates(); - void generateOutput(int32 phasebuf, int32 *feedbuf, int32 &out); - - void feedbackLevel(int32 level) { - _feedbackLevel = level ? level + 6 : 0; - } - void detune(int value) { - _detn = &_detnTbl[value << 5]; - } - void multiple(uint32 value) { - _multiple = value ? (value << 1) : 1; - } - void attackRate(uint32 value) { - _specifiedAttackRate = value; - } - bool scaleRate(uint8 value); - void decayRate(uint32 value) { - _specifiedDecayRate = value; - recalculateRates(); - } - void sustainRate(uint32 value) { - _specifiedSustainRate = value; - recalculateRates(); - } - void sustainLevel(uint32 value) { - _sustainLevel = (value == 0x0f) ? 0x3e0 : value << 5; - } - void releaseRate(uint32 value) { - _specifiedReleaseRate = value; - recalculateRates(); - } - void totalLevel(uint32 value) { - _totalLevel = value << 3; - } - void ampModulation(bool enable) { - _ampMod = enable; - } - void reset(); - -protected: - EnvelopeState _state; - bool _playing; - uint32 _feedbackLevel; - uint32 _multiple; - uint32 _totalLevel; - uint8 _keyScale1; - uint8 _keyScale2; - uint32 _specifiedAttackRate; - uint32 _specifiedDecayRate; - uint32 _specifiedSustainRate; - uint32 _specifiedReleaseRate; - uint32 _tickCount; - uint32 _sustainLevel; - - bool _ampMod; - uint32 _frequency; - uint8 _kcode; - uint32 _phase; - uint32 _phaseIncrement; - const int32 *_detn; - - const uint8 *_rateTbl; - const uint8 *_rshiftTbl; - const uint8 *_adTbl; - const uint32 *_fTbl; - const uint32 *_sinTbl; - const int32 *_tLvlTbl; - const int32 *_detnTbl; - - const uint32 _tickLength; - uint32 _timer; - int32 _currentLevel; - - struct EvpState { - uint8 rate; - uint8 shift; - } fs_a, fs_d, fs_s, fs_r; -}; - class TownsPC98_FmSynth : public Audio::AudioStream { public: enum EmuType { @@ -191,14 +102,8 @@ private: void generateOutput(int32 &leftSample, int32 &rightSample, int32 *del, int32 *feed); struct ChanInternal { - ChanInternal() { - memset(this, 0, sizeof(ChanInternal)); - } - - ~ChanInternal() { - for (uint i = 0; i < ARRAYSIZE(opr); ++i) - delete opr[i]; - } + ChanInternal(); + ~ChanInternal(); void ampModSensitivity(uint32 value) { ampModSvty = (1 << (3 - value)) - (((value >> 1) & 1) | (value & 1)); @@ -217,7 +122,6 @@ private: uint32 ampModSvty; uint32 frqModSvty; - TownsPC98_FmSynthOperator *opr[4]; }; |