add note preview feature
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tildearrow
parent
0479650597
commit
be3b4da834
6 changed files with 243 additions and 150 deletions
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@ -705,108 +705,123 @@ bool DivEngine::nextTick(bool noAccum) {
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cycles++;
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}
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if (--ticks<=0) {
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ret=endOfSong;
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if (endOfSong) {
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playSub(true);
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while (!pendingNotes.empty()) {
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DivNoteEvent& note=pendingNotes.front();
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if (note.on) {
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dispatchCmd(DivCommand(DIV_CMD_INSTRUMENT,note.channel,note.ins));
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dispatchCmd(DivCommand(DIV_CMD_NOTE_ON,note.channel,note.note));
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} else {
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dispatchCmd(DivCommand(DIV_CMD_NOTE_OFF,note.channel));
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}
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endOfSong=false;
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nextRow();
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pendingNotes.pop();
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}
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// process stuff
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for (int i=0; i<chans; i++) {
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if (chan[i].rowDelay>0) {
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if (--chan[i].rowDelay==0) {
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processRow(i,true);
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if (!freelance) {
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if (--ticks<=0) {
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ret=endOfSong;
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if (endOfSong) {
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playSub(true);
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}
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endOfSong=false;
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nextRow();
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}
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if (chan[i].volSpeed!=0) {
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chan[i].volume=(chan[i].volume&0xff)|(dispatchCmd(DivCommand(DIV_CMD_GET_VOLUME,i))<<8);
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chan[i].volume+=chan[i].volSpeed;
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if (chan[i].volume>chan[i].volMax) {
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chan[i].volume=chan[i].volMax;
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chan[i].volSpeed=0;
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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} else if (chan[i].volume<0) {
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chan[i].volSpeed=0;
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chan[i].volume=chan[i].volMax+1;
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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} else {
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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}
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}
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if (chan[i].vibratoDepth>0) {
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chan[i].vibratoPos+=chan[i].vibratoRate;
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if (chan[i].vibratoPos>=64) chan[i].vibratoPos-=64;
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switch (chan[i].vibratoDir) {
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case 1: // up
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MAX(0,(chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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case 2: // down
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MIN(0,(chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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default: // both
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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}
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}
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if (chan[i].portaSpeed>0) {
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if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote))==2 && chan[i].portaStop) {
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chan[i].portaSpeed=0;
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chan[i].oldNote=chan[i].note;
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chan[i].note=chan[i].portaNote;
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chan[i].inPorta=false;
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
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}
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}
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if (chan[i].cut>0) {
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if (--chan[i].cut<1) {
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chan[i].oldNote=chan[i].note;
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chan[i].note=-1;
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dispatchCmd(DivCommand(DIV_CMD_NOTE_OFF,i));
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}
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}
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if (chan[i].arp!=0 && !chan[i].arpYield && chan[i].portaSpeed<1) {
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if (--chan[i].arpTicks<1) {
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chan[i].arpTicks=song.arpLen;
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chan[i].arpStage++;
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if (chan[i].arpStage>2) chan[i].arpStage=0;
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switch (chan[i].arpStage) {
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case 0:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
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break;
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case 1:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note+(chan[i].arp>>4)));
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break;
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case 2:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note+(chan[i].arp&15)));
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break;
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// process stuff
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for (int i=0; i<chans; i++) {
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if (chan[i].rowDelay>0) {
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if (--chan[i].rowDelay==0) {
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processRow(i,true);
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}
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}
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} else {
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chan[i].arpYield=false;
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if (chan[i].volSpeed!=0) {
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chan[i].volume=(chan[i].volume&0xff)|(dispatchCmd(DivCommand(DIV_CMD_GET_VOLUME,i))<<8);
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chan[i].volume+=chan[i].volSpeed;
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if (chan[i].volume>chan[i].volMax) {
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chan[i].volume=chan[i].volMax;
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chan[i].volSpeed=0;
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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} else if (chan[i].volume<0) {
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chan[i].volSpeed=0;
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chan[i].volume=chan[i].volMax+1;
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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} else {
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dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
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}
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}
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if (chan[i].vibratoDepth>0) {
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chan[i].vibratoPos+=chan[i].vibratoRate;
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if (chan[i].vibratoPos>=64) chan[i].vibratoPos-=64;
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switch (chan[i].vibratoDir) {
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case 1: // up
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MAX(0,(chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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case 2: // down
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MIN(0,(chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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default: // both
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dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
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break;
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}
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}
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if (chan[i].portaSpeed>0) {
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if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote))==2 && chan[i].portaStop) {
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chan[i].portaSpeed=0;
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chan[i].oldNote=chan[i].note;
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chan[i].note=chan[i].portaNote;
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chan[i].inPorta=false;
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
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}
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}
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if (chan[i].cut>0) {
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if (--chan[i].cut<1) {
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chan[i].oldNote=chan[i].note;
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chan[i].note=-1;
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dispatchCmd(DivCommand(DIV_CMD_NOTE_OFF,i));
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}
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}
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if (chan[i].arp!=0 && !chan[i].arpYield && chan[i].portaSpeed<1) {
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if (--chan[i].arpTicks<1) {
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chan[i].arpTicks=song.arpLen;
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chan[i].arpStage++;
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if (chan[i].arpStage>2) chan[i].arpStage=0;
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switch (chan[i].arpStage) {
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case 0:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
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break;
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case 1:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note+(chan[i].arp>>4)));
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break;
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case 2:
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dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note+(chan[i].arp&15)));
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break;
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}
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}
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} else {
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chan[i].arpYield=false;
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}
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}
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}
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// system tick
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dispatch->tick();
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if (!noAccum) totalTicks++;
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if (!freelance) {
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if (!noAccum) totalTicks++;
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int hz;
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if (song.customTempo) {
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hz=song.hz;
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} else if (song.pal) {
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hz=60;
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} else {
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hz=50;
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}
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if (consoleMode) fprintf(stderr,"\x1b[2K> %d:%.2d:%.2d.%.2d %.2x/%.2x:%.3d/%.3d %4dcmd/s\x1b[G",totalTicks/(hz*3600),(totalTicks/(hz*60))%60,(totalTicks/hz)%60,totalTicks%hz,curOrder,song.ordersLen,curRow,song.patLen,cmdsPerSecond);
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int hz;
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if (song.customTempo) {
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hz=song.hz;
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} else if (song.pal) {
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hz=60;
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} else {
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hz=50;
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}
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if (consoleMode) fprintf(stderr,"\x1b[2K> %d:%.2d:%.2d.%.2d %.2x/%.2x:%.3d/%.3d %4dcmd/s\x1b[G",totalTicks/(hz*3600),(totalTicks/(hz*60))%60,(totalTicks/hz)%60,totalTicks%hz,curOrder,song.ordersLen,curRow,song.patLen,cmdsPerSecond);
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if ((totalTicks%hz)==0) {
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cmdsPerSecond=totalCmds-lastCmds;
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lastCmds=totalCmds;
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if ((totalTicks%hz)==0) {
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cmdsPerSecond=totalCmds-lastCmds;
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lastCmds=totalCmds;
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}
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}
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return ret;
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