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YM2608-LLE, part 5

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This commit is contained in:
tildearrow 2024-04-26 19:52:43 -05:00
parent 06aed6dacc
commit 770d18a939
2 changed files with 16 additions and 6 deletions
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14
src/engine/platform/ym2608.cpp
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@ -505,6 +505,12 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
if (canWeWrite) {
if (delay>0) {
if (delay==3) {
fm_lle.input.cs=1;
fm_lle.input.rd=1;
fm_lle.input.wr=1;
fm_lle.input.a0=0;
fm_lle.input.a1=0;
//logV("preparing a delay");
delay=0;
} else {
fm_lle.input.cs=0;
@ -513,6 +519,7 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
fm_lle.input.a0=0;
fm_lle.input.a1=0;
fm_lle.input.data=0;
//logV("preparing a read");
delay=1;
}
} else if (!writes.empty()) {
@ -527,7 +534,7 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
delay=2;
//logV("%.2x",w.val);
//logV("VAL %.2x",w.val);
regPool[w.addr&0x1ff]=w.val;
writes.pop_front();
@ -541,7 +548,7 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
delay=2;
//logV("%.2x =",w.addr);
//logV("ADDR %.2x =",w.addr);
w.addrOrVal=true;
}
@ -551,6 +558,7 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
fm_lle.input.wr=1;
fm_lle.input.a0=0;
fm_lle.input.a1=0;
//logV("nothing to do");
}
}
@ -562,7 +570,7 @@ void DivPlatformYM2608::acquire_lle(short** buf, size_t len) {
// check busy status here
//if (!(fm_lle.o_data&0x80)) {
if (!fm_lle.busy_cnt_en[1]) {
delay=0;
delay=3;
} else {
//logV("AM BUSY");
}