prepare for macroInt preview in instrument editor
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9 changed files with 467 additions and 57 deletions
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@ -35,74 +35,77 @@
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// names as strings for the commands (and other debug stuff).
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//
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// if you miss it, the program will crash or misbehave at some point.
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//
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// the comments are: (arg1, arg2) -> val
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// not all commands have a return value
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enum DivDispatchCmds {
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DIV_CMD_NOTE_ON=0,
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DIV_CMD_NOTE_ON=0, // (note)
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DIV_CMD_NOTE_OFF,
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DIV_CMD_NOTE_OFF_ENV,
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DIV_CMD_ENV_RELEASE,
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DIV_CMD_INSTRUMENT,
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DIV_CMD_VOLUME,
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DIV_CMD_GET_VOLUME,
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DIV_CMD_GET_VOLMAX,
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DIV_CMD_NOTE_PORTA,
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DIV_CMD_PITCH,
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DIV_CMD_PANNING,
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DIV_CMD_LEGATO,
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DIV_CMD_PRE_PORTA,
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DIV_CMD_PRE_NOTE, // used in C64
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DIV_CMD_INSTRUMENT, // (ins, force)
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DIV_CMD_VOLUME, // (vol)
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DIV_CMD_GET_VOLUME, // () -> vol
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DIV_CMD_GET_VOLMAX, // () -> volMax
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DIV_CMD_NOTE_PORTA, // (target, speed) -> 2 if target reached
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DIV_CMD_PITCH, // (pitch)
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DIV_CMD_PANNING, // (pan)
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DIV_CMD_LEGATO, // (note)
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DIV_CMD_PRE_PORTA, // (inPorta, isPortaOrSlide)
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DIV_CMD_PRE_NOTE, // used in C64 (note)
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DIV_CMD_SAMPLE_MODE,
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DIV_CMD_SAMPLE_FREQ,
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DIV_CMD_SAMPLE_BANK,
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DIV_CMD_SAMPLE_POS,
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DIV_CMD_SAMPLE_MODE, // (enabled)
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DIV_CMD_SAMPLE_FREQ, // (frequency)
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DIV_CMD_SAMPLE_BANK, // (bank)
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DIV_CMD_SAMPLE_POS, // (pos)
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DIV_CMD_FM_HARD_RESET,
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DIV_CMD_FM_LFO,
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DIV_CMD_FM_LFO_WAVE,
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DIV_CMD_FM_TL,
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DIV_CMD_FM_AR,
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DIV_CMD_FM_FB,
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DIV_CMD_FM_MULT,
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DIV_CMD_FM_EXTCH,
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DIV_CMD_FM_AM_DEPTH,
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DIV_CMD_FM_PM_DEPTH,
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DIV_CMD_FM_HARD_RESET, // (enabled)
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DIV_CMD_FM_LFO, // (speed)
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DIV_CMD_FM_LFO_WAVE, // (waveform)
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DIV_CMD_FM_TL, // (op, value)
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DIV_CMD_FM_AR, // (op, value)
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DIV_CMD_FM_FB, // (value)
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DIV_CMD_FM_MULT, // (op, value)
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DIV_CMD_FM_EXTCH, // (enabled)
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DIV_CMD_FM_AM_DEPTH, // (depth)
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DIV_CMD_FM_PM_DEPTH, // (depth)
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DIV_CMD_GENESIS_LFO,
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DIV_CMD_GENESIS_LFO, // unused?
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DIV_CMD_ARCADE_LFO,
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DIV_CMD_ARCADE_LFO, // unused?
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DIV_CMD_STD_NOISE_FREQ,
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DIV_CMD_STD_NOISE_MODE,
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DIV_CMD_STD_NOISE_FREQ, // (freq)
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DIV_CMD_STD_NOISE_MODE, // (mode)
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DIV_CMD_WAVE,
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DIV_CMD_WAVE, // (waveform)
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DIV_CMD_GB_SWEEP_TIME,
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DIV_CMD_GB_SWEEP_DIR,
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DIV_CMD_GB_SWEEP_TIME, // (time)
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DIV_CMD_GB_SWEEP_DIR, // (direction)
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DIV_CMD_PCE_LFO_MODE,
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DIV_CMD_PCE_LFO_SPEED,
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DIV_CMD_PCE_LFO_MODE, // (mode)
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DIV_CMD_PCE_LFO_SPEED, // (speed)
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DIV_CMD_NES_SWEEP,
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DIV_CMD_NES_SWEEP, // (direction, value)
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DIV_CMD_C64_CUTOFF,
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DIV_CMD_C64_RESONANCE,
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DIV_CMD_C64_FILTER_MODE,
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DIV_CMD_C64_RESET_TIME,
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DIV_CMD_C64_RESET_MASK,
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DIV_CMD_C64_FILTER_RESET,
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DIV_CMD_C64_DUTY_RESET,
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DIV_CMD_C64_EXTENDED,
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DIV_CMD_C64_FINE_DUTY,
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DIV_CMD_C64_FINE_CUTOFF,
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DIV_CMD_C64_CUTOFF, // (value)
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DIV_CMD_C64_RESONANCE, // (value)
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DIV_CMD_C64_FILTER_MODE, // (value)
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DIV_CMD_C64_RESET_TIME, // (value)
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DIV_CMD_C64_RESET_MASK, // (mask)
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DIV_CMD_C64_FILTER_RESET, // (value)
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DIV_CMD_C64_DUTY_RESET, // (value)
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DIV_CMD_C64_EXTENDED, // (value)
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DIV_CMD_C64_FINE_DUTY, // (value)
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DIV_CMD_C64_FINE_CUTOFF, // (value)
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DIV_CMD_AY_ENVELOPE_SET,
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DIV_CMD_AY_ENVELOPE_LOW,
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DIV_CMD_AY_ENVELOPE_HIGH,
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DIV_CMD_AY_ENVELOPE_SLIDE,
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DIV_CMD_AY_NOISE_MASK_AND,
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DIV_CMD_AY_NOISE_MASK_OR,
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DIV_CMD_AY_AUTO_ENVELOPE,
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DIV_CMD_AY_IO_WRITE,
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DIV_CMD_AY_NOISE_MASK_AND, // (value)
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DIV_CMD_AY_NOISE_MASK_OR, // (value)
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DIV_CMD_AY_AUTO_ENVELOPE, // (value)
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DIV_CMD_AY_IO_WRITE, // (port, value)
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DIV_CMD_AY_AUTO_PWM,
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DIV_CMD_FDS_MOD_DEPTH,
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@ -111,13 +114,13 @@ enum DivDispatchCmds {
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DIV_CMD_FDS_MOD_POS,
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DIV_CMD_FDS_MOD_WAVE,
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DIV_CMD_SAA_ENVELOPE,
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DIV_CMD_SAA_ENVELOPE, // (value)
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DIV_CMD_AMIGA_FILTER,
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DIV_CMD_AMIGA_AM,
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DIV_CMD_AMIGA_PM,
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DIV_CMD_AMIGA_FILTER, // (enabled)
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DIV_CMD_AMIGA_AM, // (enabled)
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DIV_CMD_AMIGA_PM, // (enabled)
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DIV_CMD_LYNX_LFSR_LOAD,
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DIV_CMD_LYNX_LFSR_LOAD, // (value)
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DIV_CMD_QSOUND_ECHO_FEEDBACK,
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DIV_CMD_QSOUND_ECHO_DELAY,
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@ -146,7 +149,7 @@ enum DivDispatchCmds {
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DIV_CMD_N163_GLOBAL_WAVE_LOADLEN,
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DIV_CMD_N163_GLOBAL_WAVE_LOADMODE,
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DIV_ALWAYS_SET_VOLUME,
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DIV_ALWAYS_SET_VOLUME, // () -> alwaysSetVol
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DIV_CMD_MAX
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};
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@ -201,6 +204,7 @@ struct DivRegWrite {
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};
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class DivEngine;
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class DivMacroInt;
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class DivDispatch {
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protected:
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@ -214,11 +218,13 @@ class DivDispatch {
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/**
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* the rate the samples are provided.
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* the engine shall resample to the output rate.
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* you have to initialize this one during init() or setFlags().
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*/
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int rate;
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/**
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* the actual chip's clock.
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* you have to initialize this one during init() or setFlags().
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*/
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int chipClock;
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@ -254,6 +260,12 @@ class DivDispatch {
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* @return a pointer, or NULL.
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*/
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virtual void* getChanState(int chan);
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/**
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* get the DivMacroInt of a chanmel.
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* @return a pointer, or NULL.
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*/
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virtual DivMacroInt* getChanMacroInt(int chan);
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/**
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* get the register pool of this dispatch.
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@ -423,12 +435,25 @@ class DivDispatch {
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virtual ~DivDispatch();
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};
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// pitch calculation:
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// - a DivDispatch usually contains four variables per channel:
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// - baseFreq: this changes on new notes, legato, arpeggio and slides.
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// - pitch: this changes with DIV_CMD_PITCH (E5xx/04xy).
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// - freq: this is the result of combining baseFreq and pitch using DivEngine::calcFreq().
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// - freqChanged: whether baseFreq and/or pitch have changed, and a frequency recalculation is required on the next tick.
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// - the following definitions will help you calculate baseFreq.
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// - to use them, define CHIP_DIVIDER and/or CHIP_FREQBASE in your code (not in the header though!).
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#define NOTE_PERIODIC(x) round(parent->calcBaseFreq(chipClock,CHIP_DIVIDER,x,true))
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#define NOTE_PERIODIC_NOROUND(x) parent->calcBaseFreq(chipClock,CHIP_DIVIDER,x,true)
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#define NOTE_FREQUENCY(x) parent->calcBaseFreq(chipClock,CHIP_FREQBASE,x,false)
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// this is a special case definition. only use it for f-num/block-based chips.
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#define NOTE_FNUM_BLOCK(x,bits) parent->calcBaseFreqFNumBlock(chipClock,CHIP_FREQBASE,x,bits)
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// these are here for convenience.
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// it is encouraged to use these, since you get an exact value this way.
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// - NTSC colorburst: 3.58MHz
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// - PAL colorburst: 4.43MHz
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#define COLOR_NTSC (315000000.0/88.0)
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#define COLOR_PAL (283.75*15625.0+25.0)
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