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OPL: ymfm 30xx

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tildearrow 2024-11-06 18:36:51 -05:00
parent ce453ac0a4
commit c69f366942
1 changed files with 40 additions and 25 deletions
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65
src/engine/platform/opl.cpp
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@ -358,12 +358,15 @@ void DivPlatformOPL::acquire_ymfm1(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
if (!writes.empty() && --delay<0) {
QueuedWrite& w=writes.front();
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm1->write(0,w.addr);
fm_ymfm1->write(1,w.val);
delay=1;
fm_ymfm1->write(0,w.addr);
fm_ymfm1->write(1,w.val);
delay=1;
regPool[w.addr&511]=w.val;
regPool[w.addr&511]=w.val;
}
writes.pop();
}
@ -400,12 +403,15 @@ void DivPlatformOPL::acquire_ymfm2(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
if (!writes.empty() && --delay<0) {
QueuedWrite& w=writes.front();
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm2->write(0,w.addr);
fm_ymfm2->write(1,w.val);
delay=1;
fm_ymfm2->write(0,w.addr);
fm_ymfm2->write(1,w.val);
delay=1;
regPool[w.addr&511]=w.val;
regPool[w.addr&511]=w.val;
}
writes.pop();
}
@ -443,12 +449,15 @@ void DivPlatformOPL::acquire_ymfm8950(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
if (!writes.empty() && --delay<0) {
QueuedWrite& w=writes.front();
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm8950->write(0,w.addr);
fm_ymfm8950->write(1,w.val);
delay=1;
fm_ymfm8950->write(0,w.addr);
fm_ymfm8950->write(1,w.val);
delay=1;
regPool[w.addr&511]=w.val;
regPool[w.addr&511]=w.val;
}
writes.pop();
}
@ -487,12 +496,15 @@ void DivPlatformOPL::acquire_ymfm3(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
if (!writes.empty() && --delay<0) {
QueuedWrite& w=writes.front();
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm3->write((w.addr&0x100)?2:0,w.addr);
fm_ymfm3->write(1,w.val);
delay=1;
fm_ymfm3->write((w.addr&0x100)?2:0,w.addr);
fm_ymfm3->write(1,w.val);
delay=1;
regPool[w.addr&511]=w.val;
regPool[w.addr&511]=w.val;
}
writes.pop();
}
@ -587,12 +599,15 @@ void DivPlatformOPL::acquire_ymfm4(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
if (!writes.empty() && --delay<0) {
QueuedWrite& w=writes.front();
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm4->write((w.addr&0x200)?4:(w.addr&0x100)?2:0,w.addr);
fm_ymfm4->write((w.addr&0x200)?5:1,w.val);
delay=1;
fm_ymfm4->write((w.addr&0x200)?4:(w.addr&0x100)?2:0,w.addr);
fm_ymfm4->write((w.addr&0x200)?5:1,w.val);
delay=1;
regPool[(w.addr&0x200)?(0x200+(w.addr&255)):(w.addr&511)]=w.val;
regPool[(w.addr&0x200)?(0x200+(w.addr&255)):(w.addr&511)]=w.val;
}
writes.pop();
}