void __fastcall QsndZWrite(unsigned short a, unsigned char d)
{
QUARK_LOG_VAR(a);
QUARK_LOG_VAR(d);
QUARK_LOG_VAR(QscCmd[0]);
QUARK_LOG_VAR(QscCmd[1]);
if (a == 0xd000) {
QscCmd[0] = d;
return;
}
if (a == 0xd001) {
QscCmd[1] = d;
return;
}
if (a == 0xd002) {
QscWrite(d, (QscCmd[0] << 8) | QscCmd[1]);
// bprintf(PRINT_NORMAL, "QSound command %02X %04X sent.\n", d, (QscCmd[0] << 8) | QscCmd[1]);
return;
}
if (a == 0xd003) {
int nNewBank = d & 0x0f;
if (nQsndZBank != nNewBank) {
nQsndZBank = nNewBank;
QsndZBankMap();
}
}
}
void QsndEndFrame()
{
BurnTimerEndFrame(nCpsZ80Cycles);
if (pBurnSoundOut) QscUpdate(nBurnSoundLen);
nQsndCyclesExtra = ZetTotalCycles() - nCpsZ80Cycles;
QUARK_LOG_VAR(nBurnSoundLen);
QUARK_LOG_VAR(ZetTotalCycles());
QUARK_LOG_VAR(nCpsZ80Cycles);
QUARK_LOG_VAR(nQsndCyclesExtra);
ZetClose();
}
void QsndNewFrame()
{
ZetNewFrame();
QUARK_LOG_VAR(nQsndCyclesExtra);
ZetOpen(0);
ZetIdle(nQsndCyclesExtra);
QscNewFrame();
}
void QsndSyncZ80()
{
int nCycles = (long long)SekTotalCycles() * nCpsZ80Cycles / nCpsCycles;
QUARK_LOG_VAR(nCycles);
QUARK_LOG_VAR(nCpsZ80Cycles);
QUARK_LOG_VAR(nCpsCycles);
QUARK_LOG_VAR(SekTotalCycles());
QUARK_LOG_VAR(nSekCyclesTotal);
QUARK_LOG_VAR(nSekCyclesToDo);
QUARK_LOG_VAR(ZetTotalCycles());
if (nCycles <= ZetTotalCycles()) {
return;
}
BurnTimerUpdate(nCycles);
}
int BurnTimerUpdate(int nCycles)
{
int nIRQStatus = 0;
nTicksTotal = MAKE_TIMER_TICKS(nCycles, nCPUClockspeed);
QUARK_LOG_VAR(nTicksTotal);
QUARK_LOG_VAR(nCycles);
QUARK_LOG_VAR(nCPUClockspeed);
QUARK_LOG_VAR(nTimerCount[0]);
QUARK_LOG_VAR(nTimerCount[1]);
QUARK_LOG_VAR(nTimerStart[0]);
QUARK_LOG_VAR(nTimerStart[1]);
// bprintf(PRINT_NORMAL, _T(" -- Ticks: %08X, cycles %i\n"), nTicksTotal, nCycles);
while (nTicksDone < nTicksTotal) {
int nTimer, nCyclesSegment, nTicksSegment;
// Determine which timer fires first
if (nTimerCount[0] <= nTimerCount[1]) {
nTicksSegment = nTimerCount[0];
} else {
nTicksSegment = nTimerCount[1];
}
if (nTicksSegment > nTicksTotal) {
nTicksSegment = nTicksTotal;
}
nCyclesSegment = MAKE_CPU_CYLES(nTicksSegment + nTicksExtra, nCPUClockspeed);
// bprintf(PRINT_NORMAL, _T(" - Timer: %08X, %08X, %08X, cycles %i, %i\n"), nTicksDone, nTicksSegment, nTicksTotal, nCyclesSegment, pCPUTotalCycles());
QUARK_LOG_VAR(nTicksExtra);
QUARK_LOG_VAR(nTicksSegment);
QUARK_LOG_VAR(nCyclesSegment);
QUARK_LOG_VAR(pCPUTotalCycles());
QUARK_LOG_VAR(nCyclesSegment - pCPUTotalCycles());
pCPURun(nCyclesSegment - pCPUTotalCycles());
nTicksDone = MAKE_TIMER_TICKS(pCPUTotalCycles() + 1, nCPUClockspeed) - 1;
// bprintf(PRINT_NORMAL, _T(" - ticks done -> %08X cycles -> %i\n"), nTicksDone, pCPUTotalCycles());
QUARK_LOG_VAR(nTicksDone);
nTimer = 0;
if (nTicksDone >= nTimerCount[0]) {
if (nTimerStart[0] == MAX_TIMER_VALUE) {
nTimerCount[0] = MAX_TIMER_VALUE;
} else {
nTimerCount[0] += nTimerStart[0];
}
// bprintf(PRINT_NORMAL, _T(" - timer 0 fired\n"));
nTimer |= 1;
}
if (nTicksDone >= nTimerCount[1]) {
if (nTimerStart[1] == MAX_TIMER_VALUE) {
nTimerCount[1] = MAX_TIMER_VALUE;
} else {
nTimerCount[1] += nTimerStart[1];
}
// bprintf(PRINT_NORMAL, _T(" - timer 1 fired\n"));
nTimer |= 2;
}
if (nTimer & 1) {
nIRQStatus |= pTimerOverCallback(0, 0);
}
if (nTimer & 2) {
nIRQStatus |= pTimerOverCallback(0, 1);
}
}
return nIRQStatus;
}
