static inline void cpu_sync() // sync z80 & 68k
{
int t = ((SekTotalCycles() * 3) / 10) - ZetTotalCycles();
if (t > 0) {
BurnTimerUpdate(t);
}
}
void QsndSyncZ80()
{
int nCycles = (long long)SekTotalCycles() * nCpsZ80Cycles / nCpsCycles;
if (nCycles <= ZetTotalCycles()) {
return;
}
BurnTimerUpdate(nCycles);
}
inline void toaplan1SynchroniseZ80(int nExtraCycles)
{
int nCycles = ((long long)SekTotalCycles() * nCyclesTotal[1] / nCyclesTotal[0]) + nExtraCycles;
if (nCycles <= ZetTotalCycles()) {
return;
}
nToa1Cycles68KSync = nCycles - nExtraCycles;
BurnTimerUpdate(nCycles);
}
void BurnTimerEndFrame(int nCycles)
{
int nTicks = MAKE_TIMER_TICKS(nCycles, nCPUClockspeed);
BurnTimerUpdate(nCycles);
if (nTimerCount[0] < MAX_TIMER_VALUE)
nTimerCount[0] -= nTicks;
if (nTimerCount[1] < MAX_TIMER_VALUE)
nTimerCount[1] -= nTicks;
nTicksDone -= nTicks;
if (nTicksDone < 0) {
// bprintf(PRINT_ERROR, _T(" -- ticks done -> %08X\n"), nTicksDone);
nTicksDone = 0;
}
}
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);
}
static int DrvFrame()
{
if (DrvReset) {
DrvDoReset();
}
ZetNewFrame();
{
memset (DrvInputs, 0xff, 3);
for (int i = 0; i < 8; i++) {
DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
DrvInputs[2] ^= (DrvJoy3[i] & 1) << i;
}
// Clear opposites
if ((DrvInputs[1] & 0x03) == 0) DrvInputs[1] |= 0x03;
if ((DrvInputs[1] & 0x0c) == 0) DrvInputs[1] |= 0x0c;
if ((DrvInputs[2] & 0x03) == 0) DrvInputs[1] |= 0x03;
if ((DrvInputs[2] & 0x0c) == 0) DrvInputs[1] |= 0x0c;
}
int nInterleave = 100;
int nSoundBufferPos = 0;
int nCyclesTotal[2] = { 3072000 / 60, 3072000 / 60 };
M6809Open(0);
ZetOpen(0);
for (int i = 0; i < nInterleave; i++) {
M6809Run(nCyclesTotal[0] / nInterleave);
BurnTimerUpdate(i * (nCyclesTotal[1] / nInterleave));
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2203Update(pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
BurnTimerEndFrame(nCyclesTotal[1]);
if (*irq_enable) M6809SetIRQ(0, M6809_IRQSTATUS_AUTO);
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
BurnYM2203Update(pSoundBuf, nSegmentLength);
}
}
ZetClose();
M6809Close();
if (pBurnDraw) {
DrvDraw();
}
return 0;
}
static int dec0SynchroniseStream(int nSoundRate)
{
int result = (long long)SekTotalCycles() * nSoundRate / 10000000;
BurnTimerUpdate(result);
return result;
}
