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VGM export: kind of dual chip support

This commit is contained in:
tildearrow 2022-01-27 13:10:51 -05:00
parent 3405018a91
commit 60a1e6f395
2 changed files with 155 additions and 73 deletions
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226
src/engine/engine.cpp
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@ -2004,135 +2004,135 @@ SafeWriter* DivEngine::saveDMF() {
return w; return w;
} }
void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample) { void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample, bool isSecond) {
if (write.addr==0xffffffff) { // Furnace fake reset if (write.addr==0xffffffff) { // Furnace fake reset
switch (sys) { switch (sys) {
case DIV_SYSTEM_GENESIS: case DIV_SYSTEM_GENESIS:
case DIV_SYSTEM_GENESIS_EXT: case DIV_SYSTEM_GENESIS_EXT:
case DIV_SYSTEM_YM2612: case DIV_SYSTEM_YM2612:
for (int i=0; i<3; i++) { // set SL and RR to highest for (int i=0; i<3; i++) { // set SL and RR to highest
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x80+i); w->writeC(0x80+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x84+i); w->writeC(0x84+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x88+i); w->writeC(0x88+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x8c+i); w->writeC(0x8c+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x53); w->writeC(isSecond?0xa3:0x53);
w->writeC(0x80+i); w->writeC(0x80+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x53); w->writeC(isSecond?0xa3:0x53);
w->writeC(0x84+i); w->writeC(0x84+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x53); w->writeC(isSecond?0xa3:0x53);
w->writeC(0x88+i); w->writeC(0x88+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x53); w->writeC(isSecond?0xa3:0x53);
w->writeC(0x8c+i); w->writeC(0x8c+i);
w->writeC(0xff); w->writeC(0xff);
} }
for (int i=0; i<3; i++) { // note off for (int i=0; i<3; i++) { // note off
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x28); w->writeC(0x28);
w->writeC(i); w->writeC(i);
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(0x28); w->writeC(0x28);
w->writeC(4+i); w->writeC(4+i);
} }
w->writeC(0x52); // disable DAC w->writeC(isSecond?0xa2:0x52); // disable DAC
w->writeC(0x2b); w->writeC(0x2b);
w->writeC(0); w->writeC(0);
if (sys!=DIV_SYSTEM_YM2612) { if (sys!=DIV_SYSTEM_YM2612) {
for (int i=0; i<4; i++) { for (int i=0; i<4; i++) {
w->writeC(0x50); w->writeC(isSecond?0x30:0x50);
w->writeC(0x90|(i<<5)|15); w->writeC(0x90|(i<<5)|15);
} }
} }
break; break;
case DIV_SYSTEM_SMS: case DIV_SYSTEM_SMS:
for (int i=0; i<4; i++) { for (int i=0; i<4; i++) {
w->writeC(0x50); w->writeC(isSecond?0x30:0x50);
w->writeC(0x90|(i<<5)|15); w->writeC(0x90|(i<<5)|15);
} }
break; break;
case DIV_SYSTEM_GB: case DIV_SYSTEM_GB:
// square 1 // square 1
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(2); w->writeC(isSecond?0x82:2);
w->writeC(0); w->writeC(0);
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(4); w->writeC(isSecond?0x84:4);
w->writeC(0x80); w->writeC(0x80);
// square 2 // square 2
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(7); w->writeC(isSecond?0x87:7);
w->writeC(0); w->writeC(0);
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(9); w->writeC(isSecond?0x89:9);
w->writeC(0x80); w->writeC(0x80);
// wave // wave
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(0x0c); w->writeC(isSecond?0x8c:0x0c);
w->writeC(0); w->writeC(0);
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(0x0e); w->writeC(isSecond?0x8e:0x0e);
w->writeC(0x80); w->writeC(0x80);
// noise // noise
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(0x11); w->writeC(isSecond?0x91:0x11);
w->writeC(0); w->writeC(0);
w->writeC(0xb3); w->writeC(0xb3);
w->writeC(0x13); w->writeC(isSecond?0x93:0x13);
w->writeC(0x80); w->writeC(0x80);
break; break;
case DIV_SYSTEM_PCE: case DIV_SYSTEM_PCE:
for (int i=0; i<6; i++) { for (int i=0; i<6; i++) {
w->writeC(0xb9); w->writeC(0xb9);
w->writeC(0); w->writeC(isSecond?0x80:0);
w->writeC(i); w->writeC(i);
w->writeC(0xb9); w->writeC(0xb9);
w->writeC(4); w->writeC(isSecond?0x84:4);
w->writeC(0); w->writeC(0);
} }
break; break;
case DIV_SYSTEM_NES: case DIV_SYSTEM_NES:
w->writeC(0xb4); w->writeC(0xb4);
w->writeC(0x15); w->writeC(isSecond?0x95:0x15);
w->writeC(0); w->writeC(0);
break; break;
case DIV_SYSTEM_ARCADE: case DIV_SYSTEM_ARCADE:
case DIV_SYSTEM_YM2151: case DIV_SYSTEM_YM2151:
for (int i=0; i<8; i++) { for (int i=0; i<8; i++) {
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(0xe0+i); w->writeC(0xe0+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(0xe8+i); w->writeC(0xe8+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(0xf0+i); w->writeC(0xf0+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(0xf8+i); w->writeC(0xf8+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(0x08); w->writeC(0x08);
w->writeC(i); w->writeC(i);
} }
if (sys==DIV_SYSTEM_ARCADE) { if (sys==DIV_SYSTEM_ARCADE) {
for (int i=0; i<5; i++) { for (int i=0; i<5; i++) {
w->writeC(0xc0); w->writeC(0xc0);
w->writeS(0x86+(i<<3)); w->writeS((isSecond?0x8086:0x86)+(i<<3));
w->writeC(3); w->writeC(3);
} }
} }
@ -2140,102 +2140,102 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
case DIV_SYSTEM_YM2610: case DIV_SYSTEM_YM2610:
case DIV_SYSTEM_YM2610_EXT: case DIV_SYSTEM_YM2610_EXT:
for (int i=0; i<2; i++) { // set SL and RR to highest for (int i=0; i<2; i++) { // set SL and RR to highest
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x81+i); w->writeC(0x81+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x85+i); w->writeC(0x85+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x89+i); w->writeC(0x89+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x8d+i); w->writeC(0x8d+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(0x81+i); w->writeC(0x81+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(0x85+i); w->writeC(0x85+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(0x89+i); w->writeC(0x89+i);
w->writeC(0xff); w->writeC(0xff);
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(0x8d+i); w->writeC(0x8d+i);
w->writeC(0xff); w->writeC(0xff);
} }
for (int i=0; i<2; i++) { // note off for (int i=0; i<2; i++) { // note off
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x28); w->writeC(0x28);
w->writeC(1+i); w->writeC(1+i);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(0x28); w->writeC(0x28);
w->writeC(5+i); w->writeC(5+i);
} }
// reset AY // reset AY
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(7); w->writeC(7);
w->writeC(0x3f); w->writeC(0x3f);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(8); w->writeC(8);
w->writeC(0); w->writeC(0);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(9); w->writeC(9);
w->writeC(0); w->writeC(0);
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(10); w->writeC(10);
w->writeC(0); w->writeC(0);
// reset sample // reset sample
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(0); w->writeC(0);
w->writeC(0xbf); w->writeC(0xbf);
break; break;
case DIV_SYSTEM_AY8910: case DIV_SYSTEM_AY8910:
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(7); w->writeC(isSecond?0x87:7);
w->writeC(0x3f); w->writeC(0x3f);
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(8); w->writeC(isSecond?0x88:8);
w->writeC(0); w->writeC(0);
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(9); w->writeC(isSecond?0x89:9);
w->writeC(0); w->writeC(0);
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(10); w->writeC(isSecond?0x8a:10);
w->writeC(0); w->writeC(0);
break; break;
case DIV_SYSTEM_AY8930: case DIV_SYSTEM_AY8930:
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(0x0d); w->writeC(isSecond?0x8d:0x0d);
w->writeC(0); w->writeC(0);
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(0x0d); w->writeC(isSecond?0x8d:0x0d);
w->writeC(0xa0); w->writeC(0xa0);
break; break;
case DIV_SYSTEM_SAA1099: case DIV_SYSTEM_SAA1099:
w->writeC(0xbd); w->writeC(0xbd);
w->writeC(0x1c); w->writeC(isSecond?0x9c:0x1c);
w->writeC(0x02); w->writeC(0x02);
w->writeC(0xbd); w->writeC(0xbd);
w->writeC(0x14); w->writeC(isSecond?0x94:0x14);
w->writeC(0); w->writeC(0);
w->writeC(0xbd); w->writeC(0xbd);
w->writeC(0x15); w->writeC(isSecond?0x95:0x15);
w->writeC(0); w->writeC(0);
for (int i=0; i<6; i++) { for (int i=0; i<6; i++) {
w->writeC(0xbd); w->writeC(0xbd);
w->writeC(i); w->writeC((isSecond?0x80:0)+i);
w->writeC(0); w->writeC(0);
} }
break; break;
@ -2279,51 +2279,51 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
case DIV_SYSTEM_YM2612: case DIV_SYSTEM_YM2612:
switch (write.addr>>8) { switch (write.addr>>8) {
case 0: // port 0 case 0: // port 0
w->writeC(0x52); w->writeC(isSecond?0xa2:0x52);
w->writeC(write.addr&0xff); w->writeC(write.addr&0xff);
w->writeC(write.val); w->writeC(write.val);
break; break;
case 1: // port 1 case 1: // port 1
w->writeC(0x53); w->writeC(isSecond?0xa3:0x53);
w->writeC(write.addr&0xff); w->writeC(write.addr&0xff);
w->writeC(write.val); w->writeC(write.val);
break; break;
case 2: // PSG case 2: // PSG
w->writeC(0x50); w->writeC(isSecond?0x30:0x50);
w->writeC(write.val); w->writeC(write.val);
break; break;
} }
break; break;
case DIV_SYSTEM_SMS: case DIV_SYSTEM_SMS:
w->writeC(0x50); w->writeC(isSecond?0x30:0x50);
w->writeC(write.val); w->writeC(write.val);
break; break;
case DIV_SYSTEM_GB: case DIV_SYSTEM_GB:
w->writeC(0xb3); w->writeC(0xb3);
w->writeC((write.addr-16)&0xff); w->writeC((isSecond?0x80:0)|((write.addr-16)&0xff));
w->writeC(write.val); w->writeC(write.val);
break; break;
case DIV_SYSTEM_PCE: case DIV_SYSTEM_PCE:
w->writeC(0xb9); w->writeC(0xb9);
w->writeC(write.addr&0xff); w->writeC((isSecond?0x80:0)|(write.addr&0xff));
w->writeC(write.val); w->writeC(write.val);
break; break;
case DIV_SYSTEM_NES: case DIV_SYSTEM_NES:
w->writeC(0xb4); w->writeC(0xb4);
w->writeC(write.addr&0xff); w->writeC((isSecond?0x80:0)|(write.addr&0xff));
w->writeC(write.val); w->writeC(write.val);
break; break;
case DIV_SYSTEM_ARCADE: case DIV_SYSTEM_ARCADE:
case DIV_SYSTEM_YM2151: case DIV_SYSTEM_YM2151:
switch (write.addr>>16) { switch (write.addr>>16) {
case 0: // YM2151 case 0: // YM2151
w->writeC(0x54); w->writeC(isSecond?0xa4:0x54);
w->writeC(write.addr&0xff); w->writeC(write.addr&0xff);
w->writeC(write.val); w->writeC(write.val);
break; break;
case 1: // SegaPCM case 1: // SegaPCM
w->writeC(0xc0); w->writeC(0xc0);
w->writeS(write.addr&0xffff); w->writeS((isSecond?0x8000:0)|(write.addr&0xffff));
w->writeC(write.val); w->writeC(write.val);
break; break;
} }
@ -2332,12 +2332,12 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
case DIV_SYSTEM_YM2610_EXT: case DIV_SYSTEM_YM2610_EXT:
switch (write.addr>>8) { switch (write.addr>>8) {
case 0: // port 0 case 0: // port 0
w->writeC(0x58); w->writeC(isSecond?0xa8:0x58);
w->writeC(write.addr&0xff); w->writeC(write.addr&0xff);
w->writeC(write.val); w->writeC(write.val);
break; break;
case 1: // port 1 case 1: // port 1
w->writeC(0x59); w->writeC(isSecond?0xa9:0x59);
w->writeC(write.addr&0xff); w->writeC(write.addr&0xff);
w->writeC(write.val); w->writeC(write.val);
break; break;
@ -2346,12 +2346,12 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
case DIV_SYSTEM_AY8910: case DIV_SYSTEM_AY8910:
case DIV_SYSTEM_AY8930: case DIV_SYSTEM_AY8930:
w->writeC(0xa0); w->writeC(0xa0);
w->writeC(write.addr&0xff); w->writeC((isSecond?0x80:0)|(write.addr&0xff));
w->writeC(write.val); w->writeC(write.val);
break; break;
case DIV_SYSTEM_SAA1099: case DIV_SYSTEM_SAA1099:
w->writeC(0xbd); w->writeC(0xbd);
w->writeC(write.addr&0xff); w->writeC((isSecond?0x80:0)|(write.addr&0xff));
w->writeC(write.val); w->writeC(write.val);
break; break;
default: default:
@ -2477,6 +2477,8 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
int hasC352=0; int hasC352=0;
int hasGA20=0; int hasGA20=0;
int howManyChips=0;
int loopPos=-1; int loopPos=-1;
int loopTick=-1; int loopTick=-1;
@ -2489,6 +2491,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
w->writeI(0x171); // VGM 1.71 w->writeI(0x171); // VGM 1.71
bool willExport[32]; bool willExport[32];
bool isSecond[32];
int streamIDs[32]; int streamIDs[32];
double loopTimer[DIV_MAX_CHANS]; double loopTimer[DIV_MAX_CHANS];
double loopFreq[DIV_MAX_CHANS]; double loopFreq[DIV_MAX_CHANS];
@ -2508,6 +2511,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
for (int i=0; i<song.systemLen; i++) { for (int i=0; i<song.systemLen; i++) {
willExport[i]=false; willExport[i]=false;
isSecond[i]=false;
streamIDs[i]=0; streamIDs[i]=0;
if (sysToExport!=NULL) { if (sysToExport!=NULL) {
if (!sysToExport[i]) continue; if (!sysToExport[i]) continue;
@ -2519,22 +2523,38 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
if (!hasOPN2) { if (!hasOPN2) {
hasOPN2=7670454; hasOPN2=7670454;
willExport[i]=true; willExport[i]=true;
} else if (!(hasOPN2&0x40000000)) {
isSecond[i]=true;
hasOPN2|=0x40000000;
howManyChips++;
} }
if (!hasSN) { if (!hasSN) {
hasSN=3579545; hasSN=3579545;
willExport[i]=true; willExport[i]=true;
} else if (!(hasSN&0x40000000)) {
isSecond[i]=true;
hasSN|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_SMS: case DIV_SYSTEM_SMS:
if (!hasSN) { if (!hasSN) {
hasSN=3579545; hasSN=3579545;
willExport[i]=true; willExport[i]=true;
} else if (!(hasSN&0x40000000)) {
isSecond[i]=true;
hasSN|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_GB: case DIV_SYSTEM_GB:
if (!hasGB) { if (!hasGB) {
hasGB=4194304; hasGB=4194304;
willExport[i]=true; willExport[i]=true;
} else if (!(hasGB&0x40000000)) {
isSecond[i]=true;
hasGB|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_PCE: case DIV_SYSTEM_PCE:
@ -2542,6 +2562,10 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
hasPCE=3579545; hasPCE=3579545;
willExport[i]=true; willExport[i]=true;
writePCESamples=true; writePCESamples=true;
} else if (!(hasPCE&0x40000000)) {
isSecond[i]=true;
hasPCE|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_NES: case DIV_SYSTEM_NES:
@ -2549,17 +2573,29 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
hasNES=1789773; hasNES=1789773;
willExport[i]=true; willExport[i]=true;
writeNESSamples=true; writeNESSamples=true;
} else if (!(hasNES&0x40000000)) {
isSecond[i]=true;
hasNES|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_ARCADE: case DIV_SYSTEM_ARCADE:
if (!hasOPM) { if (!hasOPM) {
hasOPM=3579545; hasOPM=3579545;
willExport[i]=true; willExport[i]=true;
} else if (!(hasOPM&0x40000000)) {
isSecond[i]=true;
hasOPM|=0x40000000;
howManyChips++;
} }
if (!hasSegaPCM) { if (!hasSegaPCM) {
hasSegaPCM=4000000; hasSegaPCM=4000000;
willExport[i]=true; willExport[i]=true;
writeSegaPCM=true; writeSegaPCM=true;
} else if (!(hasSegaPCM&0x40000000)) {
isSecond[i]=true;
hasSegaPCM|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_YM2610: case DIV_SYSTEM_YM2610:
@ -2568,6 +2604,10 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
hasOPNB=8000000; hasOPNB=8000000;
willExport[i]=true; willExport[i]=true;
writeADPCM=true; writeADPCM=true;
} else if (!(hasOPNB&0x40000000)) {
isSecond[i]=true;
hasOPNB|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_AY8910: case DIV_SYSTEM_AY8910:
@ -2577,12 +2617,20 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
ayConfig=(song.system[i]==DIV_SYSTEM_AY8930)?3:0; ayConfig=(song.system[i]==DIV_SYSTEM_AY8930)?3:0;
ayFlags=1; ayFlags=1;
willExport[i]=true; willExport[i]=true;
} else if (!(hasAY&0x40000000)) {
isSecond[i]=true;
hasAY|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_SAA1099: case DIV_SYSTEM_SAA1099:
if (!hasSAA) { if (!hasSAA) {
hasSAA=8000000; hasSAA=8000000;
willExport[i]=true; willExport[i]=true;
} else if (!(hasSAA&0x40000000)) {
isSecond[i]=true;
hasSAA|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_YM2612: case DIV_SYSTEM_YM2612:
@ -2590,12 +2638,20 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
hasOPN2=7670454; hasOPN2=7670454;
willExport[i]=true; willExport[i]=true;
writeDACSamples=true; writeDACSamples=true;
} else if (!(hasOPN2&0x40000000)) {
isSecond[i]=true;
hasOPN2|=0x40000000;
howManyChips++;
} }
break; break;
case DIV_SYSTEM_YM2151: case DIV_SYSTEM_YM2151:
if (!hasOPM) { if (!hasOPM) {
hasOPM=3579545; hasOPM=3579545;
willExport[i]=true; willExport[i]=true;
} else if (!(hasOPM&0x40000000)) {
isSecond[i]=true;
hasOPM|=0x40000000;
howManyChips++;
} }
break; break;
default: default:
@ -2606,6 +2662,14 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
} }
} }
//bool wantsExtraHeader=false;
/*for (int i=0; i<song.systemLen; i++) {
if (isSecond[i]) {
wantsExtraHeader=true;
break;
}
}*/
// write chips and stuff // write chips and stuff
w->writeI(hasSN); w->writeI(hasSN);
w->writeI(hasOPLL); w->writeI(hasOPLL);
@ -2619,7 +2683,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
w->writeC(snFlags); w->writeC(snFlags);
w->writeI(hasOPN2); w->writeI(hasOPN2);
w->writeI(hasOPM); w->writeI(hasOPM);
w->writeI(0x100-w->tell()); // data pointer w->writeI(0); // data pointer. will be written later
w->writeI(hasSegaPCM); w->writeI(hasSegaPCM);
w->writeI(segaPCMOffset); w->writeI(segaPCMOffset);
w->writeI(hasRFC); w->writeI(hasRFC);
@ -2662,7 +2726,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
w->writeI(hasPOKEY); w->writeI(hasPOKEY);
w->writeI(hasQSound); w->writeI(hasQSound);
w->writeI(hasSCSP); w->writeI(hasSCSP);
w->writeI(0); // extra header. currently not written to w->writeI(0); // extra header
w->writeI(hasSwan); w->writeI(hasSwan);
w->writeI(hasVSU); w->writeI(hasVSU);
w->writeI(hasSAA); w->writeI(hasSAA);
@ -2679,6 +2743,18 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
w->writeI(0); w->writeI(0);
} }
/* TODO
unsigned int exHeaderOff=w->tell();
if (wantsExtraHeader) {
w->writeI(4);
w->writeI(4);
// write clocks
w->writeC(howManyChips);
}*/
unsigned int songOff=w->tell();
// write samples // write samples
unsigned int sampleSeek=0; unsigned int sampleSeek=0;
for (int i=0; i<song.sampleLen; i++) { for (int i=0; i<song.sampleLen; i++) {
@ -2907,7 +2983,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
for (int i=0; i<song.systemLen; i++) { for (int i=0; i<song.systemLen; i++) {
std::vector<DivRegWrite>& writes=disCont[i].dispatch->getRegisterWrites(); std::vector<DivRegWrite>& writes=disCont[i].dispatch->getRegisterWrites();
for (DivRegWrite& j: writes) { for (DivRegWrite& j: writes) {
performVGMWrite(w,song.system[i],j,streamIDs[i],loopTimer,loopFreq,loopSample); performVGMWrite(w,song.system[i],j,streamIDs[i],loopTimer,loopFreq,loopSample,isSecond[i]);
writeCount++; writeCount++;
} }
writes.clear(); writes.clear();
@ -3035,6 +3111,12 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop) {
w->writeI(0); w->writeI(0);
w->writeI(0); w->writeI(0);
} }
w->seek(0x34,SEEK_SET);
w->writeI(songOff-0x34);
/*if (wantsExtraHeader) {
w->seek(0xbc,SEEK_SET);
w->writeI(exHeaderOff-0xbc);
}*/
remainingLoops=-1; remainingLoops=-1;
playing=false; playing=false;

2
src/engine/engine.h
View File

@ -185,7 +185,7 @@ class DivEngine {
void processRow(int i, bool afterDelay); void processRow(int i, bool afterDelay);
void nextOrder(); void nextOrder();
void nextRow(); void nextRow();
void performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample); void performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample, bool isSecond);
// returns true if end of song. // returns true if end of song.
bool nextTick(bool noAccum=false); bool nextTick(bool noAccum=false);
bool perSystemEffect(int ch, unsigned char effect, unsigned char effectVal); bool perSystemEffect(int ch, unsigned char effect, unsigned char effectVal);