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OPL UNFINISHED
This commit is contained in:
tildearrow 2024-10-19 18:28:27 -05:00
parent dd9d8dccd1
commit 69b03172b1
13 changed files with 116 additions and 96 deletions
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24
src/engine/platform/arcade.cpp
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@ -55,10 +55,14 @@ void DivPlatformArcade::acquire_nuked(short** buf, size_t len) {
thread_local int o[2];
for (size_t h=0; h<len; h++) {
if (delay>0) delay--;
for (int i=0; i<8; i++) {
if (!writes.empty() && !fm.write_busy) {
if (delay<=0 && !writes.empty() && !fm.write_busy) {
QueuedWrite& w=writes.front();
if (w.addrOrVal) {
if (w.addr==0xfffffffe) {
delay=w.val;
writes.pop_front();
} else if (w.addrOrVal) {
OPM_Write(&fm,1,w.val);
regPool[w.addr&0xff]=w.val;
//printf("write: %x = %.2x\n",w.addr,w.val);
@ -101,11 +105,15 @@ void DivPlatformArcade::acquire_ymfm(short** buf, size_t len) {
if (!writes.empty()) {
if (--delay<1) {
QueuedWrite& w=writes.front();
fm_ymfm->write(0x0+((w.addr>>8)<<1),w.addr);
fm_ymfm->write(0x1+((w.addr>>8)<<1),w.val);
regPool[w.addr&0xff]=w.val;
if (w.addr==0xfffffffe) {
delay=w.val;
} else {
fm_ymfm->write(0x0+((w.addr>>8)<<1),w.addr);
fm_ymfm->write(0x1+((w.addr>>8)<<1),w.val);
regPool[w.addr&0xff]=w.val;
delay=1;
}
writes.pop_front();
delay=1;
}
}
@ -380,9 +388,7 @@ void DivPlatformArcade::tick(bool sysTick) {
// hard reset handling
if (mustHardReset) {
for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
immWrite(0x1f,i&0xff);
}
immWrite(0xfffffffe,hardResetCycles-hardResetElapsed);
for (int i=0; i<8; i++) {
if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
// restore SL/RR