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more playback work

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This commit is contained in:
tildearrow 2021-05-14 03:23:40 -05:00
parent 5b002ca1d5
commit 775b88dae2
7 changed files with 145 additions and 39 deletions
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113
src/engine/playback.cpp
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@ -65,26 +65,26 @@ void DivEngine::nextRow() {
snprintf(pb2,4095,"\x1b[37m %s",
formatNote(pat->data[curRow][0],pat->data[curRow][1]));
strcat(pb3,pb2);
if (pat->data[curRow][3]==255) {
if (pat->data[curRow][3]==-1) {
strcat(pb3,"\x1b[m--");
} else {
snprintf(pb2,4095,"\x1b[1;32m%.2x",pat->data[curRow][3]);
strcat(pb3,pb2);
}
if (pat->data[curRow][2]==255) {
if (pat->data[curRow][2]==-1) {
strcat(pb3,"\x1b[m--");
} else {
snprintf(pb2,4095,"\x1b[0;36m%.2x",pat->data[curRow][2]);
strcat(pb3,pb2);
}
for (int j=0; j<song.pat[i]->effectRows; j++) {
if (pat->data[curRow][4+(j<<1)]==255) {
if (pat->data[curRow][4+(j<<1)]==-1) {
strcat(pb3,"\x1b[m--");
} else {
snprintf(pb2,4095,"\x1b[1;31m%.2x",pat->data[curRow][4+(j<<1)]);
strcat(pb3,pb2);
}
if (pat->data[curRow][5+(j<<1)]==255) {
if (pat->data[curRow][5+(j<<1)]==-1) {
strcat(pb3,"\x1b[m--");
} else {
snprintf(pb2,4095,"\x1b[1;37m%.2x",pat->data[curRow][5+(j<<1)]);
@ -96,11 +96,33 @@ void DivEngine::nextRow() {
for (int i=0; i<chans; i++) {
DivPattern* pat=song.pat[i]->data[curOrder];
// instrument
if (pat->data[curRow][2]!=-1) {
dispatch->dispatch(DivCommand(DIV_CMD_INSTRUMENT,i,pat->data[curRow][2]));
}
// note
if (pat->data[curRow][0]==100) {
chan[i].note=-1;
dispatch->dispatch(DivCommand(DIV_CMD_NOTE_OFF,i));
} else if (!(pat->data[curRow][0]==0 && pat->data[curRow][1]==0)) {
chan[i].note=pat->data[curRow][0]+pat->data[curRow][1]*12;
dispatch->dispatch(DivCommand(DIV_CMD_NOTE_ON,i,chan[i].note));
}
// volume
if (pat->data[curRow][3]!=-1) {
chan[i].volume=pat->data[curRow][3]<<8;
dispatch->dispatch(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
}
// effects
for (int j=0; j<song.pat[i]->effectRows; j++) {
unsigned char effect=pat->data[curRow][4+(j<<1)];
unsigned char effectVal=pat->data[curRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
// per-system effect
if (!perSystemEffect(i,effect,effectVal)) switch (effect) {
case 0x09: // speed 1
@ -120,26 +142,62 @@ void DivEngine::nextRow() {
case 0x08: // panning
dispatch->dispatch(DivCommand(DIV_CMD_PANNING,i,effectVal));
break;
case 0x01: // ramp up
if (effectVal==0) {
chan[i].portaNote=-1;
chan[i].portaSpeed=-1;
} else {
chan[i].portaNote=0x7f;
chan[i].portaSpeed=effectVal;
}
break;
case 0x02: // ramp down
if (effectVal==0) {
chan[i].portaNote=-1;
chan[i].portaSpeed=-1;
} else {
chan[i].portaNote=0x00;
chan[i].portaSpeed=effectVal;
}
break;
case 0x03: // portamento
if (effectVal==0) {
chan[i].portaNote=-1;
chan[i].portaSpeed=-1;
} else {
chan[i].portaNote=chan[i].note;
chan[i].portaSpeed=effectVal;
}
break;
case 0x04: // vibrato
chan[i].vibratoDepth=effectVal&15;
chan[i].vibratoRate=effectVal>>4;
break;
case 0x0a: // volume ramp
if (effectVal!=0) {
if ((effectVal&15)!=0) {
chan[i].volSpeed=-(effectVal&15)*64;
} else {
chan[i].volSpeed=(effectVal>>4)*64;
}
} else {
chan[i].volSpeed=0;
}
break;
case 0xe1: // portamento up
chan[i].portaNote=chan[i].note+(effectVal&15);
chan[i].portaSpeed=effectVal>>4;
break;
case 0xe2: // portamento down
chan[i].portaNote=chan[i].note-(effectVal&15);
chan[i].portaSpeed=effectVal>>4;
break;
case 0xe5: // pitch
chan[i].pitch=effectVal-0x80;
break;
}
}
// instrument
if (pat->data[curRow][2]!=255) {
dispatch->dispatch(DivCommand(DIV_CMD_INSTRUMENT,i,pat->data[curRow][2]));
}
// note
if (pat->data[curRow][0]==100) {
dispatch->dispatch(DivCommand(DIV_CMD_NOTE_OFF,i));
} else if (!(pat->data[curRow][0]==0 && pat->data[curRow][1]==0)) {
dispatch->dispatch(DivCommand(DIV_CMD_NOTE_ON,i,pat->data[curRow][0]+pat->data[curRow][1]*12));
}
// volume
if (pat->data[curRow][3]!=255) {
dispatch->dispatch(DivCommand(DIV_CMD_VOLUME,i,pat->data[curRow][3]));
}
}
}
@ -162,6 +220,17 @@ void DivEngine::nextTick() {
}
speedAB=!speedAB;
}
// process stuff
for (int i=0; i<chans; i++) {
if (chan[i].volSpeed!=0) {
chan[i].volume+=chan[i].volSpeed;
if (chan[i].volume>0x7f00) chan[i].volume=0x7f00;
if (chan[i].volume<0) chan[i].volume=0;
dispatch->dispatch(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
}
}
// system tick
dispatch->tick();
}