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

AY: don't use bit arrays

Browse source 
issue #649
This commit is contained in:
tildearrow 2023-08-11 23:58:44 -05:00
parent 7be0079c62
commit 5f2cfd4854
5 changed files with 74 additions and 95 deletions
Download patch file Download diff file Expand all files Collapse all files

44
src/engine/platform/ay.cpp
View file

@ -115,7 +115,7 @@ const unsigned char dacLogTableAY[256]={
void DivPlatformAY8910::runDAC() {
for (int i=0; i<3; i++) {
if (chan[i].active && chan[i].curPSGMode.dac && chan[i].dac.sample!=-1) {
if (chan[i].active && (chan[i].curPSGMode.val&8) && chan[i].dac.sample!=-1) {
chan[i].dac.period+=chan[i].dac.rate;
bool end=false;
bool changed=false;
@ -243,7 +243,7 @@ void DivPlatformAY8910::tick(bool sysTick) {
if (chan[i].std.vol.had) {
chan[i].outVol=MIN(15,chan[i].std.vol.val)-(15-(chan[i].vol&15));
if (chan[i].outVol<0) chan[i].outVol=0;
if (!chan[i].nextPSGMode.dac) {
if (!(chan[i].nextPSGMode.val&8)) {
if (isMuted[i]) {
rWrite(0x08+i,0);
} else if (intellivision && (chan[i].nextPSGMode.getEnvelope())) {
@ -265,7 +265,7 @@ void DivPlatformAY8910::tick(bool sysTick) {
rWrite(0x06,31-chan[i].std.duty.val);
}
if (chan[i].std.wave.had) {
if (!chan[i].nextPSGMode.dac) {
if (!(chan[i].nextPSGMode.val&8)) {
chan[i].nextPSGMode.val=(chan[i].std.wave.val+1)&7;
if (chan[i].active) {
chan[i].curPSGMode.val=chan[i].nextPSGMode.val;
@ -290,7 +290,7 @@ void DivPlatformAY8910::tick(bool sysTick) {
}
if (chan[i].std.phaseReset.had) {
if (chan[i].std.phaseReset.val==1) {
if (chan[i].nextPSGMode.dac) {
if (chan[i].nextPSGMode.val&8) {
if (dumpWrites) addWrite(0xffff0002+(i<<8),0);
if (chan[i].dac.sample<0 || chan[i].dac.sample>=parent->song.sampleLen) {
if (dumpWrites) {
@ -340,7 +340,7 @@ void DivPlatformAY8910::tick(bool sysTick) {
if (chan[i].keyOn) {
//rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(ins->gb.soundLen&63)));
//rWrite(16+i*5+2,((chan[i].vol<<4))|(ins->gb.envLen&7)|((ins->gb.envDir&1)<<3));
if (!chan[i].nextPSGMode.dac) {
if (!(chan[i].nextPSGMode.val&8)) {
chan[i].curPSGMode.val=chan[i].nextPSGMode.val;
}
}
@ -396,11 +396,11 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AY);
if (!parent->song.disableSampleMacro && (ins->type==DIV_INS_AMIGA || ins->amiga.useSample)) {
chan[c.chan].nextPSGMode.dac=true;
chan[c.chan].nextPSGMode.val|=8;
} else if (chan[c.chan].dac.furnaceDAC) {
chan[c.chan].nextPSGMode.dac=false;
chan[c.chan].nextPSGMode.val&=~8;
}
if (chan[c.chan].nextPSGMode.dac) {
if (chan[c.chan].nextPSGMode.val&8) {
if (skipRegisterWrites) break;
if (!parent->song.disableSampleMacro && (ins->type==DIV_INS_AMIGA || ins->amiga.useSample)) {
if (c.value!=DIV_NOTE_NULL) {
@ -452,7 +452,8 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
}
chan[c.chan].dac.furnaceDAC=false;
}
chan[c.chan].curPSGMode.dac=chan[c.chan].nextPSGMode.dac;
chan[c.chan].curPSGMode.val&=~8;
chan[c.chan].curPSGMode.val|=chan[c.chan].nextPSGMode.val&8;
break;
}
if (c.value!=DIV_NOTE_NULL) {
@ -466,7 +467,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
}
if (!chan[c.chan].nextPSGMode.dac) {
if (!(chan[c.chan].nextPSGMode.val&8)) {
if (isMuted[c.chan]) {
rWrite(0x08+c.chan,0);
} else if (intellivision && (chan[c.chan].nextPSGMode.getEnvelope())) {
@ -480,7 +481,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
case DIV_CMD_NOTE_OFF:
chan[c.chan].dac.sample=-1;
if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
chan[c.chan].nextPSGMode.dac=false;
chan[c.chan].nextPSGMode.val&=~8;
chan[c.chan].keyOff=true;
chan[c.chan].active=false;
chan[c.chan].macroInit(NULL);
@ -494,7 +495,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=c.value;
}
if (!chan[c.chan].nextPSGMode.dac) {
if (!(chan[c.chan].nextPSGMode.val&8)) {
if (isMuted[c.chan]) {
rWrite(0x08+c.chan,0);
} else {
@ -553,7 +554,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
break;
}
case DIV_CMD_STD_NOISE_MODE:
if (!chan[c.chan].nextPSGMode.dac) {
if (!(chan[c.chan].nextPSGMode.val&8)) {
if (c.value<16) {
chan[c.chan].nextPSGMode.val=(c.value+1)&7;
if (chan[c.chan].active) {
@ -578,11 +579,11 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
ayEnvMode=c.value>>4;
rWrite(0x0d,ayEnvMode);
if (c.value&15) {
chan[c.chan].nextPSGMode.envelope|=1;
chan[c.chan].nextPSGMode.val|=4;
} else {
chan[c.chan].nextPSGMode.envelope&=~1;
chan[c.chan].nextPSGMode.val&=~4;
}
if (!chan[c.chan].nextPSGMode.dac && chan[c.chan].active) {
if (!(chan[c.chan].nextPSGMode.val&8) && chan[c.chan].active) {
chan[c.chan].curPSGMode.val=chan[c.chan].nextPSGMode.val;
}
if (isMuted[c.chan]) {
@ -628,9 +629,14 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
immWrite(14+(c.value?1:0),(c.value?portBVal:portAVal));
break;
case DIV_CMD_SAMPLE_MODE:
chan[c.chan].nextPSGMode.dac=(c.value>0)?1:0;
if (c.value>0) {
chan[c.chan].nextPSGMode.val|=8;
} else {
chan[c.chan].nextPSGMode.val&=~8;
}
if (chan[c.chan].active) {
chan[c.chan].curPSGMode.dac=chan[c.chan].nextPSGMode.dac;
chan[c.chan].curPSGMode.val&=~8;
chan[c.chan].curPSGMode.val|=chan[c.chan].nextPSGMode.val&8;
}
break;
case DIV_CMD_SAMPLE_BANK:
@ -673,7 +679,7 @@ void DivPlatformAY8910::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
if (isMuted[ch]) {
rWrite(0x08+ch,0);
} else if (chan[ch].active && chan[ch].nextPSGMode.dac) {
} else if (chan[ch].active && (chan[ch].nextPSGMode.val&8)) {
rWrite(0x08+ch,chan[ch].dac.out);
} else {
if (intellivision && (chan[ch].nextPSGMode.getEnvelope()) && chan[ch].active) {