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sync marks

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This commit is contained in:
Wolfgang Hottgenroth
2024-03-29 13:04:05 +01:00
parent 5a8323bddb
commit 1ebf85cb9d
3 changed files with 265 additions and 56 deletions
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24
sound-driver/sequencer.c
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@ -20,12 +20,25 @@ void sequencerExec(void *handle) {
melody->state = e_PlayTone;
break;
case e_PlayTone:
if (melody->tones[melody->idx].length == e_L_EndMark) {
melody->idx = 0;
if (melody->tones[melody->idx].length == e_L_SyncMark) {
if (melodies->sync == 0) {
melodies->sync = melodies->numOfMelodies;
}
melodies->sync -= 1;
melody->state = e_Sync;
} else {
if (melody->tones[melody->idx].length == e_L_EndMark) {
melody->idx = 0;
}
psgPlayTone(channel, melody->tones[melody->idx].octave, melody->tones[melody->idx].note);
melody->lengthCnt = (melody->tones[melody->idx].staccato) ? (melody->tones[melody->idx].length / 2) : melody->tones[melody->idx].length;
melody->state = e_HoldTone;
}
break;
case e_Sync:
if (melodies->sync == 0) {
melody->state = e_SeparateTone;
}
psgPlayTone(channel, melody->tones[melody->idx].octave, melody->tones[melody->idx].note);
melody->lengthCnt = (melody->tones[melody->idx].staccato) ? (melody->tones[melody->idx].length / 2) : melody->tones[melody->idx].length;
melody->state = e_HoldTone;
break;
case e_HoldTone:
melody->lengthCnt -= 1;
@ -61,6 +74,7 @@ uint16_t sequencerPlayMelodies(t_melodies *melodies) {
melodies->melodies[i].lengthCnt = 0;
melodies->melodies[i].state = e_Init;
}
melodies->sync = 0;
return schAdd(sequencerExec, (void*) melodies, 0, melodies->pace);
}