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

dev185 - SoundUnit: hardware sweep sequences

Browse source 
kinda buggy in note off... may require a rewrite of volume handling
This commit is contained in:
tildearrow 2023-10-21 18:42:37 -05:00
parent 10c72f3a10
commit f718fbb5f5
7 changed files with 406 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

79
src/engine/platform/su.cpp
View file

@ -134,6 +134,79 @@ void DivPlatformSoundUnit::tick(bool sysTick) {
}
writeControlUpper(i);
}
// run hardware sequence
if (chan[i].active) {
if (--chan[i].hwSeqDelay<=0) {
chan[i].hwSeqDelay=0;
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
int hwSeqCount=0;
while (chan[i].hwSeqPos<ins->su.hwSeqLen && hwSeqCount<8) {
bool leave=false;
unsigned char bound=ins->su.hwSeq[chan[i].hwSeqPos].bound;
unsigned char val=ins->su.hwSeq[chan[i].hwSeqPos].val;
unsigned short speed=ins->su.hwSeq[chan[i].hwSeqPos].speed;
switch (ins->su.hwSeq[chan[i].hwSeqPos].cmd) {
case DivInstrumentSoundUnit::DIV_SU_HWCMD_VOL:
chan[i].volSweepP=speed;
chan[i].volSweepV=val;
chan[i].volSweepB=bound;
chan[i].volSweep=(val>0);
chWrite(i,0x14,chan[i].volSweepP&0xff);
chWrite(i,0x15,chan[i].volSweepP>>8);
chWrite(i,0x16,chan[i].volSweepV);
chWrite(i,0x17,chan[i].volSweepB);
writeControlUpper(i);
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_PITCH:
chan[i].freqSweepP=speed;
chan[i].freqSweepV=val;
chan[i].freqSweepB=bound;
chan[i].freqSweep=(val>0);
chWrite(i,0x10,chan[i].freqSweepP&0xff);
chWrite(i,0x11,chan[i].freqSweepP>>8);
chWrite(i,0x12,chan[i].freqSweepV);
chWrite(i,0x13,chan[i].freqSweepB);
writeControlUpper(i);
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_CUT:
chan[i].cutSweepP=speed;
chan[i].cutSweepV=val;
chan[i].cutSweepB=bound;
chan[i].cutSweep=(val>0);
chWrite(i,0x18,chan[i].cutSweepP&0xff);
chWrite(i,0x19,chan[i].cutSweepP>>8);
chWrite(i,0x1a,chan[i].cutSweepV);
chWrite(i,0x1b,chan[i].cutSweepB);
writeControlUpper(i);
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_WAIT:
chan[i].hwSeqDelay=(val+1)*parent->tickMult;
leave=true;
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_WAIT_REL:
if (!chan[i].released) {
chan[i].hwSeqPos--;
leave=true;
}
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_LOOP:
chan[i].hwSeqPos=val-1;
break;
case DivInstrumentSoundUnit::DIV_SU_HWCMD_LOOP_REL:
if (!chan[i].released) {
chan[i].hwSeqPos=val-1;
}
break;
}
chan[i].hwSeqPos++;
if (leave) break;
hwSeqCount++;
}
}
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,chan[i].switchRoles,2,chan[i].pitch2,chipClock,chan[i].switchRoles?CHIP_DIVIDER:CHIP_FREQBASE);
@ -220,6 +293,9 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
}
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
chan[c.chan].released=false;
chan[c.chan].hwSeqPos=0;
chan[c.chan].hwSeqDelay=0;
chWrite(c.chan,0x02,chan[c.chan].vol);
chan[c.chan].macroInit(ins);
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
@ -231,11 +307,14 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
case DIV_CMD_NOTE_OFF:
chan[c.chan].active=false;
chan[c.chan].keyOff=true;
chan[c.chan].hwSeqPos=0;
chan[c.chan].hwSeqDelay=0;
chan[c.chan].macroInit(NULL);
break;
case DIV_CMD_NOTE_OFF_ENV:
case DIV_CMD_ENV_RELEASE:
chan[c.chan].std.release();
chan[c.chan].released=true;
break;
case DIV_CMD_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {