otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

misc fixes and new effects

Browse source 
- fix 8-bit samples
- 0C effect
- E3 effect
This commit is contained in:
tildearrow 2021-05-18 02:29:17 -05:00
parent ccd5acf1e4
commit c0f7f12c89
4 changed files with 35 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/engine/playback.cpp
View file

@ -214,6 +214,9 @@ void DivEngine::processRow(int i, bool afterDelay) {
case 0x00: // arpeggio
chan[i].arp=effectVal;
break;
case 0x0c: // retrigger
chan[i].rowDelay=effectVal+1;
break;
case 0xe1: // portamento up
chan[i].portaNote=chan[i].note+(effectVal&15);
@ -223,6 +226,9 @@ void DivEngine::processRow(int i, bool afterDelay) {
chan[i].portaNote=chan[i].note-(effectVal&15);
chan[i].portaSpeed=(effectVal>>4)*4;
break;
case 0xe3: // vibrato direction
chan[i].vibratoDir=effectVal;
break;
case 0xe5: // pitch
chan[i].pitch=effectVal-0x80;
dispatch->dispatch(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos])>>2)));
@ -313,6 +319,7 @@ void DivEngine::nextRow() {
printf("| %.2x:%s | \x1b[1;33m%3d%s\x1b[m\n",curOrder,pb1,curRow,pb3);
for (int i=0; i<chans; i++) {
chan[i].rowDelay=0;
processRow(i,false);
}
}
@ -361,7 +368,18 @@ void DivEngine::nextTick() {
if (chan[i].vibratoDepth>0) {
chan[i].vibratoPos+=chan[i].vibratoRate;
if (chan[i].vibratoPos>=64) chan[i].vibratoPos-=64;
dispatch->dispatch(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos])>>4)));
switch (chan[i].vibratoDir) {
case 1: // up
dispatch->dispatch(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MAX(0,chan[i].vibratoDepth*vibTable[chan[i].vibratoPos])>>4)));
break;
case 2: // down
dispatch->dispatch(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(MIN(0,chan[i].vibratoDepth*vibTable[chan[i].vibratoPos])>>4)));
break;
default: // both
dispatch->dispatch(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos])>>4)));
break;
}
}
if (chan[i].portaSpeed>0) {
if (dispatch->dispatch(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote))==2) {