static int DrvFrame()
{
if (DrvReset) DrvDoReset();
if (bRecalcPalette) {
for (int i=0;i<(0x1000/2); i++)
RamCurPal[i] = CalcCol( RamPal[i] );
bRecalcPalette = 0;
}
DrvInput[0] = 0x00; // Joy1
DrvInput[1] = 0x00; // Joy2
DrvInput[2] = 0x00; // Buttons
for (int i = 0; i < 8; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
DrvInput[2] |= (DrvButton[i] & 1) << i;
}
SekNewFrame();
SekOpen(0);
#if 0
int nCyclesDone = 0;
int nCyclesNext = 0;
for(int i=0; i<10; i++) {
nCyclesNext += (16000000 / 60 / 10);
nCyclesDone += SekRun( nCyclesNext - nCyclesDone );
}
#else
SekRun(16000000 / 60);
#endif
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
SekClose();
if (pBurnDraw) DrvDraw();
if (pBurnSoundOut) {
memset(pBurnSoundOut, 0, nBurnSoundLen * 4);
MSM6295Render(0, pBurnSoundOut, nBurnSoundLen);
MSM6295Render(1, pBurnSoundOut, nBurnSoundLen);
}
return 0;
}
static void TriggerSoundIRQ(INT32 nStatus)
{
nSoundIRQ = nStatus ^ 1;
UpdateIRQStatus();
if (nIRQPending && nCurrentCPU != 0) {
nCyclesDone[0] += SekRun(0x0400);
}
}
int MiaFrame()
{
TmntInpMake();
SekOpen(0);
if (bInt5)
{
SekSetIRQLine(5, SEK_IRQSTATUS_AUTO);
}
SekRun(8000000/60); // 8mhz
SekClose();
if (pBurnDraw!=NULL)
{
TmntDraw();
}
return 0;
}
// Execute a beam-synchronised interrupt and schedule the next one
static void DoIRQ()
{
// 0x4E - bit 9 = 1: Beam Synchronized interrupts disabled
// 0x50 - Beam synchronized interrupt #1 occurs at raster line.
// 0x52 - Beam synchronized interrupt #2 occurs at raster line.
// Trigger IRQ and copy registers.
if (nIrqLine >= nFirstLine) {
nInterrupt++;
nRasterline[nInterrupt] = nIrqLine - nFirstLine;
}
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
SekRun(nCpsCycles * 0x01 / nCpsNumScanlines);
if (nRasterline[nInterrupt] < 224) {
CopyCpsReg(nInterrupt);
CopyCpsFrg(nInterrupt);
} else {
nRasterline[nInterrupt] = 0;
}
// Schedule next interrupt
if (!bEnableAutoIrq50) {
if (nIrqLine >= nIrqLine50) {
nIrqLine50 = nCpsNumScanlines;
}
} else {
if (bEnableAutoIrq50 && nIrqLine == nIrqLine50) {
nIrqLine50 += 32;
}
}
if (!bEnableAutoIrq52 && nIrqLine >= nIrqLine52) {
nIrqLine52 = nCpsNumScanlines;
} else {
if (bEnableAutoIrq52 && nIrqLine == nIrqLine52) {
nIrqLine52 += 32;
}
}
ScheduleIRQ();
if (nIrqCycles < SekTotalCycles()) {
nIrqCycles = SekTotalCycles() + 1;
}
return;
}
static INT32 DrvFrame()
{
if (DrvReset) {
DrvDoReset();
}
{
memset (DrvInputs, 0xff, 2 * sizeof(INT16));
for (INT32 i = 0; i < 16; i++) {
DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
}
}
INT32 nInterleave = 256;
INT32 nCyclesTotal[1] = { 12000000 / 60 };
INT32 nCyclesDone[1] = { 0 };
SekOpen(0);
for (INT32 i = 0; i < nInterleave; i++)
{
nCyclesDone[0] += SekRun(nCyclesTotal[0] / nInterleave);
if (control_data & 0x800) {
if (i == 0) SekSetIRQLine(4, CPU_IRQSTATUS_AUTO);
if (i == 240) SekSetIRQLine(3, CPU_IRQSTATUS_AUTO);
}
}
if (pBurnSoundOut) {
YMZ280BRender(pBurnSoundOut, nBurnSoundLen);
}
SekClose();
if (pBurnDraw) {
DrvDraw();
}
return 0;
}
int SupermanFrame()
{
if (SupermanReset) { // Reset machine
SupermanDoReset();
}
SupermanInpMake();
SekNewFrame();
ZetNewFrame();
SekOpen(0);
ZetOpen(0);
SekIdle(nCyclesDone[0]);
ZetIdle(nCyclesDone[1]);
nCyclesTotal[0] = 8000000 / 60;
nCyclesTotal[1] = 4000000 / 60;
SekRun(nCyclesTotal[0] - SekTotalCycles());
SekSetIRQLine(6, SEK_IRQSTATUS_AUTO);
nCycles68KSync = SekTotalCycles();
BurnTimerEndFrame(nCyclesTotal[1]);
BurnYM2610Update(nBurnSoundLen);
nCyclesDone[0] = SekTotalCycles() - nCyclesTotal[0];
nCyclesDone[1] = ZetTotalCycles() - nCyclesTotal[1];
ZetClose();
SekClose();
if (pBurnDraw) {
SupermanDraw(); // Draw screen if needed
}
return 0;
}
static int DrvFrame()
{
int nCyclesVBlank;
int nInterleave = 8;
int nCyclesTotal[2];
int nCyclesDone[2];
int nCyclesSegment;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0x0000; // Player 1
DrvInput[1] = 0x0000; // Player 2
for (int i = 0; i < 10; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
}
CaveClearOpposites(&DrvInput[0]);
CaveClearOpposites(&DrvInput[1]);
SekNewFrame();
nCyclesTotal[0] = (int)((long long)16000000 * nBurnCPUSpeedAdjust / (0x0100 * CAVE_REFRESHRATE));
nCyclesDone[0] = 0;
nCyclesVBlank = nCyclesTotal[0] - (int)((nCyclesTotal[0] * CAVE_VBLANK_LINES) / 271.5);
bVBlank = false;
int nSoundBufferPos = 0;
SekOpen(0);
for (int i = 1; i <= nInterleave; i++) {
int nCurrentCPU = 0;
int nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;
// Run 68000
// See if we need to trigger the VBlank interrupt
if (!bVBlank && nNext > nCyclesVBlank) {
if (nCyclesDone[nCurrentCPU] < nCyclesVBlank) {
nCyclesSegment = nCyclesVBlank - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
}
if (pBurnDraw != NULL) {
DrvDraw(); // Draw screen if needed
}
bVBlank = true;
nVideoIRQ = 0;
UpdateIRQStatus();
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
}
// Make sure the buffer is entirely filled.
{
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
MSM6295Render(0, pSoundBuf, nSegmentLength);
MSM6295Render(1, pSoundBuf, nSegmentLength);
}
}
}
SekClose();
return 0;
}
int TmntFrame()
{
int nInterleave = 16;
if (DrvReset)
{
TmntReset();
}
TmntInpMake();
nCyclesTotal[0] = 8000000/60;
nCyclesTotal[1] = 3579545/60;
nCyclesDone[0] = nCyclesDone[1] = 0;
int nSoundBufferPos = 0;
SekOpen(0);
ZetOpen(0);
if (bInt5)
{
SekSetIRQLine(5, SEK_IRQSTATUS_AUTO);
}
for (int i = 0; i < nInterleave; i++) {
int nCurrentCPU;
int nNext;
// Run 68000
nCurrentCPU = 0;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += nCyclesSegment;
}
// Run Z80
nCurrentCPU = 1;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
nCyclesSegment = ZetRun(nCyclesSegment);
nCyclesDone[nCurrentCPU] += nCyclesSegment;
{
// Render sound segment
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen / nInterleave;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
UPD7759Update(pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
}
{
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
BurnYM2151Render(pSoundBuf, nSegmentLength);
UPD7759Update(pSoundBuf, nSegmentLength);
}
}
}
//
ZetClose();
SekClose();
// UPD7759Update(pBurnSoundOut, nBurnSoundLen);
if (pBurnDraw) {
TmntDraw(); // Draw screen if needed
}
return 0;
}
static int DrvFrame()
{
int nInterleave = 4;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0x00; // Buttons
DrvInput[1] = 0x00; // Player 1
DrvInput[2] = 0x00; // Player 2
for (int i = 0; i < 8; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
DrvInput[2] |= (DrvButton[i] & 1) << i;
}
ToaClearOpposites(&DrvInput[0]);
ToaClearOpposites(&DrvInput[1]);
SekNewFrame();
nCyclesTotal[0] = (int)((long long)16000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
nCyclesDone[0] = 0;
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
SekOpen(0);
for (int i = 0; i < nInterleave; i++) {
int nCurrentCPU;
int nNext;
// Run 68000
nCurrentCPU = 0;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
// Trigger VBlank interrupt
if (!bVBlank && nNext > nToaCyclesVBlankStart) {
if (nCyclesDone[nCurrentCPU] < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - nCyclesDone[nCurrentCPU];
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
}
bVBlank = true;
ToaBufferGP9001Sprites();
// Trigger VBlank interrupt
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (bVBlank || (!CheckSleep(nCurrentCPU))) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
}
SekClose();
if (pBurnDraw) {
DrvDraw(); // Draw screen if needed
}
return 0;
}
INT32 Cps2Frame()
{
INT32 nDisplayEnd, nNext; // variables to keep track of executed 68K cyles
INT32 i;
if (CpsReset) {
DrvReset();
}
// extern INT32 prevline;
// prevline = -1;
SekNewFrame();
if (!Cps2DisableQSnd) QsndNewFrame();
nCpsCycles = (INT32)(((INT64)nCPS68KClockspeed * nBurnCPUSpeedAdjust) / 0x0100);
SekOpen(0);
SekSetCyclesScanline(nCpsCycles / nCpsNumScanlines);
CpsRwGetInp(); // Update the input port values
// Check the volumes every 5 frames or so
#if 0
if (GetCurrentFrame() % 5 == 0) {
if (Cps2VolUp) Cps2Volume++;
if (Cps2VolDwn) Cps2Volume--;
if (Cps2Volume > 39) Cps2Volume = 39;
if (Cps2Volume < 0) Cps2Volume = 0;
QscSetRoute(BURN_SND_QSND_OUTPUT_1, Cps2Volume / 39.0, BURN_SND_ROUTE_LEFT);
QscSetRoute(BURN_SND_QSND_OUTPUT_2, Cps2Volume / 39.0, BURN_SND_ROUTE_RIGHT);
}
#endif
nDisplayEnd = nCpsCycles * (nFirstLine + 224) / nCpsNumScanlines; // Account for VBlank
nInterrupt = 0;
memset(nRasterline, 0, MAX_RASTER + 2 * sizeof(nRasterline[0]));
// Determine which (if any) of the line counters generates the first IRQ
bEnableAutoIrq50 = bEnableAutoIrq52 = false;
nIrqLine50 = nIrqLine52 = nCpsNumScanlines;
if (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x50))) & 0x8000) {
bEnableAutoIrq50 = true;
}
if (bEnableAutoIrq50 || (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x4E))) & 0x0200) == 0) {
nIrqLine50 = (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x50))) & 0x01FF);
}
if (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x52))) & 0x8000) {
bEnableAutoIrq52 = true;
}
if (bEnableAutoIrq52 || (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x4E))) & 0x0200) == 0) {
nIrqLine52 = (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x52))) & 0x01FF);
}
ScheduleIRQ();
SekIdle(nCpsCyclesExtra);
if (nIrqCycles < nCpsCycles * nFirstLine / nCpsNumScanlines) {
SekRun(nIrqCycles);
DoIRQ();
}
nNext = nCpsCycles * nFirstLine / nCpsNumScanlines;
if (SekTotalCycles() < nNext) {
SekRun(nNext - SekTotalCycles());
}
CopyCpsReg(0); // Get inititial copy of registers
CopyCpsFrg(0); //
if (nIrqLine >= nCpsNumScanlines && (BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x4E))) & 0x0200) == 0) {
nIrqLine50 = BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x50))) & 0x01FF;
nIrqLine52 = BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsReg + 0x52))) & 0x01FF;
ScheduleIRQ();
}
{
nNext = (nDisplayEnd) / 3; // find out next cycle count to run to
while (nNext > nIrqCycles && nInterrupt < MAX_RASTER) {
SekRun(nIrqCycles - SekTotalCycles());
DoIRQ();
}
SekRun(nNext - SekTotalCycles()); // run cpu
nNext = (2 * nDisplayEnd) / 3; // find out next cycle count to run to
while (nNext > nIrqCycles && nInterrupt < MAX_RASTER) {
SekRun(nIrqCycles - SekTotalCycles());
DoIRQ();
}
SekRun(nNext - SekTotalCycles()); // run cpu
nNext = (3 * nDisplayEnd) / 3; // find out next cycle count to run to
while (nNext > nIrqCycles && nInterrupt < MAX_RASTER) {
SekRun(nIrqCycles - SekTotalCycles());
DoIRQ();
}
SekRun(nNext - SekTotalCycles()); // run cpu
}
CpsObjGet(); // Get objects
// nCpsCyclesSegment[0] = (nCpsCycles * nVBlank) / nCpsNumScanlines;
// nDone += SekRun(nCpsCyclesSegment[0] - nDone);
SekSetIRQLine(2, SEK_IRQSTATUS_AUTO); // VBlank
//if (pBurnDraw)
CpsDraw();
SekRun(nCpsCycles - SekTotalCycles());
nCpsCyclesExtra = SekTotalCycles() - nCpsCycles;
if (!Cps2DisableQSnd) QsndEndFrame();
SekClose();
// bprintf(PRINT_NORMAL, _T(" -\n"));
#if 0 && defined FBA_DEBUG
if (nInterrupt) {
bprintf(PRINT_IMPORTANT, _T("Beam synchronized interrupt at line %2X.\r"), nRasterline[nInterrupt]);
} else {
bprintf(PRINT_NORMAL, _T("Beam synchronized interrupt disabled. \r"));
}
extern INT32 counter;
if (counter) {
bprintf(PRINT_NORMAL, _T("\n\nSlices start at: "));
for (i = 0; i < MAX_RASTER + 2; i++) {
bprintf(PRINT_NORMAL, _T("%2X "), nRasterline[i]);
}
bprintf(PRINT_NORMAL, _T("\n"));
for (i = 0; i < 0x80; i++) {
if (*((UINT16*)(CpsSaveReg[0] + i * 2)) != *((UINT16*)(CpsSaveReg[nInterrupt] + i * 2))) {
bprintf(PRINT_NORMAL, _T("Register %2X: %4X -> %4X\n"), i * 2, *((UINT16*)(CpsSaveReg[0] + i * 2)), *((UINT16*)(CpsSaveReg[nInterrupt] + i * 2)));
}
}
bprintf(PRINT_NORMAL, _T("\n"));
for (i = 0; i < 0x010; i++) {
if (CpsSaveFrg[0][i] != CpsSaveFrg[nInterrupt][i]) {
bprintf(PRINT_NORMAL, _T("FRG %X: %02X -> %02X\n"), i, CpsSaveFrg[0][i], CpsSaveFrg[nInterrupt][i]);
}
}
bprintf(PRINT_NORMAL, _T("\n"));
if (((CpsSaveFrg[0][4] << 8) | CpsSaveFrg[0][5]) != ((CpsSaveFrg[nInterrupt][4] << 8) | CpsSaveFrg[nInterrupt][5])) {
bprintf(PRINT_NORMAL, _T("Layer-sprite priority: %04X -> %04X\n"), ((CpsSaveFrg[0][4] << 8) | CpsSaveFrg[0][5]), ((CpsSaveFrg[nInterrupt][4] << 8) | CpsSaveFrg[nInterrupt][5]));
}
bprintf(PRINT_NORMAL, _T("\n"));
for (INT32 j = 0; j <= nInterrupt; j++) {
if (j) {
bprintf(PRINT_NORMAL, _T("IRQ : %i (triggered at line %3i)\n\n"), j, nRasterline[j]);
} else {
bprintf(PRINT_NORMAL, _T("Initial register status\n\n"));
}
for (i = 0; i < 0x080; i+= 8) {
bprintf(PRINT_NORMAL, _T("%2X: %4X %4X %4X %4X %4X %4X %4X %4X\n"), i * 2, *((UINT16*)(CpsSaveReg[j] + 0 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 2 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 4 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 6 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 8 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 10 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 12 + i * 2)), *((UINT16*)(CpsSaveReg[j] + 14 + i * 2)));
}
bprintf(PRINT_NORMAL, _T("\nFRG: "));
for (i = 0; i < 0x010; i++) {
bprintf(PRINT_NORMAL, _T("%02X "), CpsSaveFrg[j][i]);
}
bprintf(PRINT_NORMAL, _T("\n\n"));
}
extern INT32 bRunPause;
bRunPause = 1;
counter = 0;
}
#endif
return 0;
}
INT32 Cps1Frame()
{
INT32 nDisplayEnd, nNext, i;
if (CpsReset) {
DrvReset();
}
SekNewFrame();
if (Cps1Qs == 1) {
QsndNewFrame();
} else {
if (!Cps1DisablePSnd) {
ZetOpen(0);
PsndNewFrame();
}
}
if (CpsRunFrameStartCallbackFunction) {
CpsRunFrameStartCallbackFunction();
}
nCpsCycles = (INT32)((INT64)nCPS68KClockspeed * nBurnCPUSpeedAdjust >> 8);
CpsRwGetInp(); // Update the input port values
nDisplayEnd = (nCpsCycles * (nFirstLine + 224)) / nCpsNumScanlines; // Account for VBlank
SekOpen(0);
SekIdle(nCpsCyclesExtra);
SekRun(nCpsCycles * nFirstLine / nCpsNumScanlines); // run 68K for the first few lines
CpsObjGet(); // Get objects
for (i = 0; i < 4; i++) {
nNext = ((i + 1) * nCpsCycles) >> 2; // find out next cycle count to run to
if (i == 2 && CpsRunFrameMiddleCallbackFunction) {
CpsRunFrameMiddleCallbackFunction();
}
if (SekTotalCycles() < nDisplayEnd && nNext > nDisplayEnd) {
SekRun(nNext - nDisplayEnd); // run 68K
memcpy(CpsSaveReg[0], CpsReg, 0x100); // Registers correct now
SekSetIRQLine(Cps1VBlankIRQLine, SEK_IRQSTATUS_AUTO); // Trigger VBlank interrupt
}
SekRun(nNext - SekTotalCycles()); // run 68K
// if (pBurnDraw) {
// CpsDraw(); // Draw frame
// }
}
//if (pBurnDraw) {
CpsDraw(); // Draw frame
if (Cps1Qs == 1) {
QsndEndFrame();
} else {
if (!Cps1DisablePSnd) {
PsndSyncZ80(nCpsZ80Cycles);
PsmUpdate(nBurnSoundLen);
ZetClose();
}
}
if (CpsRunFrameEndCallbackFunction) {
CpsRunFrameEndCallbackFunction();
}
nCpsCyclesExtra = SekTotalCycles() - nCpsCycles;
SekClose();
return 0;
}
static INT32 DrvFrame()
{
INT32 nInterleave = 10;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0x00; // Buttons
DrvInput[1] = 0x00; // Player 1
DrvInput[2] = 0x00; // Player 2
for (INT32 i = 0; i < 8; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
DrvInput[2] |= (DrvButton[i] & 1) << i;
}
ToaClearOpposites(&DrvInput[0]);
ToaClearOpposites(&DrvInput[1]);
SekNewFrame();
VezNewFrame();
INT32 nSoundBufferPos = 0;
nCyclesTotal[0] = (INT32)((INT64)16000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
nCyclesTotal[1] = (INT32)((INT64)8000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
nCyclesDone[0] = 0;
nCyclesDone[1] = 0;
SekOpen(0);
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
VezOpen(0);
for (INT32 i = 0; i < nInterleave; i++) {
INT32 nCurrentCPU;
INT32 nNext;
// Run 68000
nCurrentCPU = 0;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
// Trigger VBlank interrupt
if (!bVBlank && nNext > nToaCyclesVBlankStart) {
if (nCyclesDone[nCurrentCPU] < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - nCyclesDone[nCurrentCPU];
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
}
bVBlank = true;
ToaBufferGP9001Sprites();
// Trigger VBlank interrupt
SekSetIRQLine(4, CPU_IRQSTATUS_AUTO);
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (bVBlank || (!CheckSleep(nCurrentCPU))) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
nCyclesDone[1] += VezRun(nCyclesTotal[1] / nInterleave);
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen / nInterleave;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
if (nSegmentLength) {
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
}
}
VezClose();
SekClose();
if (pBurnDraw) {
DrvDraw(); // Draw screen if needed
}
return 0;
}
static int drvFrame()
{
int nInterleave = 8;
if (drvReset) { // Reset machine
drvDoReset();
}
// Compile digital inputs
drvInput[0] = 0x00; // Buttons
drvInput[1] = 0x00; // Player 1
drvInput[2] = 0x00; // Player 2
for (int i = 0; i < 8; i++) {
drvInput[0] |= (drvJoy1[i] & 1) << i;
drvInput[1] |= (drvJoy2[i] & 1) << i;
drvInput[2] |= (drvButton[i] & 1) << i;
}
DrvClearOpposites(&drvInput[0]);
DrvClearOpposites(&drvInput[1]);
SekNewFrame();
nCyclesTotal[0] = (int)((long long)16000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
nCyclesTotal[1] = TOA_Z80_SPEED / 60;
nCyclesDone[0] = nCyclesDone[1] = 0;
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
int nSoundBufferPos = 0;
SekOpen(0);
for (int i = 1; i <= nInterleave; i++) {
int nCurrentCPU;
int nNext;
// Run 68000
nCurrentCPU = 0;
nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;
// Trigger VBlank interrupt
if (!bVBlank && nNext > nToaCyclesVBlankStart) {
if (nCyclesDone[nCurrentCPU] < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) {
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
}
ToaBufferGP9001Sprites();
if (pBurnDraw) { // Draw screen if needed
drvDraw();
}
nIRQPending = 1;
SekSetIRQLine(2, SEK_IRQSTATUS_ACK);
bVBlank = true;
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
if ((i & 1) == 0) {
// Run Z80
nCurrentCPU = 1;
nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
nCyclesDone[nCurrentCPU] += ZetRun(nCyclesSegment);
// Render sound segment
if (pBurnSoundOut) {
int nSegmentLength = (nBurnSoundLen * i / nInterleave) - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
MSM6295Render(1, pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
}
SekClose();
{
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
MSM6295Render(1, pSoundBuf, nSegmentLength);
}
}
}
return 0;
}
static INT32 DrvFrame()
{
INT32 nInterleave = 4;
if (DrvReset) {
DrvDoReset();
}
memset (DrvInputs, 0, 3);
for (INT32 i = 0; i < 8; i++) {
DrvInputs[0] |= (DrvJoy1[i] & 1) << i;
DrvInputs[1] |= (DrvJoy2[i] & 1) << i;
DrvInputs[2] |= (DrvJoy3[i] & 1) << i;
}
ToaClearOpposites(&DrvInputs[0]);
ToaClearOpposites(&DrvInputs[1]);
SekNewFrame();
ZetNewFrame();
SekOpen(0);
ZetOpen(0);
SekIdle(nCyclesDone[0]);
ZetIdle(nCyclesDone[1]);
nCyclesTotal[0] = (INT32)((INT64)10000000 * nBurnCPUSpeedAdjust / (0x0100 * REFRESHRATE));
nCyclesTotal[1] = INT32(28000000.0 / 8 / REFRESHRATE);
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
for (INT32 i = 0; i < nInterleave; i++) {
INT32 nNext;
// Run 68000
nNext = (i + 1) * nCyclesTotal[0] / nInterleave;
// Trigger VBlank interrupt
if (nNext > nToaCyclesVBlankStart) {
if (SekTotalCycles() < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - SekTotalCycles();
SekRun(nCyclesSegment);
}
if (pBurnDraw) {
DrvDraw();
}
memcpy (DrvSprBuf, DrvSprRAM, 0x1000);
bVBlank = true;
if (bEnableInterrupts) {
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
}
}
nCyclesSegment = nNext - SekTotalCycles();
if (bVBlank || (!CheckSleep(0))) {
SekRun(nCyclesSegment);
} else {
SekIdle(nCyclesSegment);
}
BurnTimerUpdateYM3812(i * (nCyclesTotal[1] / nInterleave));
}
nToa1Cycles68KSync = SekTotalCycles();
BurnTimerEndFrameYM3812(nCyclesTotal[1]);
if (pBurnSoundOut) BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
nCyclesDone[0] = SekTotalCycles() - nCyclesTotal[0];
SekClose();
ZetClose();
return 0;
}
static int DrvFrame()
{
int nInterleave = 4;
if (DrvReset) {
DrvDoReset();
}
memset (DrvInputs, 0, 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;
}
ToaClearOpposites(&DrvInputs[0]);
ToaClearOpposites(&DrvInputs[1]);
SekOpen(0);
SekNewFrame();
SekIdle(nCyclesDone[0]);
nCyclesTotal[0] = (int)((long long)10000000 * nBurnCPUSpeedAdjust / (0x0100 * REFRESHRATE));
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
for (int i = 0; i < nInterleave; i++) {
int nNext;
// Run 68000
nNext = (i + 1) * nCyclesTotal[0] / nInterleave;
// Trigger VBlank interrupt
if (nNext > nToaCyclesVBlankStart) {
if (SekTotalCycles() < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - SekTotalCycles();
SekRun(nCyclesSegment);
}
if (pBurnDraw) {
DrvDraw();
}
ToaBufferFCU2Sprites();
bVBlank = true;
if (bEnableInterrupts) {
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
}
}
nCyclesSegment = nNext - SekTotalCycles();
if (bVBlank || (!CheckSleep(0))) {
SekRun(nCyclesSegment);
} else {
SekIdle(nCyclesSegment);
}
}
nToa1Cycles68KSync = SekTotalCycles();
// BurnTimerEndFrameYM3812(nCyclesTotal[1]);
// BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
nCyclesDone[0] = SekTotalCycles() - nCyclesTotal[0];
// bprintf(PRINT_NORMAL, _T(" %i\n"), nCyclesDone[0]);
ToaBufferFCU2Sprites();
SekSetIRQLine(2, SEK_IRQSTATUS_AUTO); // sprite buffer finished...
SekClose();
return 0;
}
static INT32 DrvFrame()
{
INT32 nInterleave = 4;
if (DrvReset) {
DrvDoReset();
}
memset (DrvInputs, 0, 3);
for (INT32 i = 0; i < 8; i++) {
DrvInputs[0] |= (DrvJoy1[i] & 1) << i;
DrvInputs[1] |= (DrvJoy2[i] & 1) << i;
DrvInputs[2] |= (DrvJoy3[i] & 1) << i;
}
ToaClearOpposites(&DrvInputs[0]);
ToaClearOpposites(&DrvInputs[1]);
SekNewFrame();
SekOpen(0);
SekIdle(nCyclesDone[0]);
nCyclesTotal[0] = (INT32)((INT64)10000000 * nBurnCPUSpeedAdjust / (0x0100 * REFRESHRATE));
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
for (INT32 i = 0; i < nInterleave; i++) {
INT32 nNext;
// Run 68000
nNext = (i + 1) * nCyclesTotal[0] / nInterleave;
// Trigger VBlank interrupt
if (nNext > nToaCyclesVBlankStart) {
if (SekTotalCycles() < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - SekTotalCycles();
SekRun(nCyclesSegment);
}
if (pBurnDraw) {
DrvDraw();
}
ToaBufferFCU2Sprites();
bVBlank = true;
if (bEnableInterrupts) {
SekSetIRQLine(4, CPU_IRQSTATUS_AUTO);
}
}
nCyclesSegment = nNext - SekTotalCycles();
if (bVBlank || (!CheckSleep(0))) {
SekRun(nCyclesSegment);
} else {
SekIdle(nCyclesSegment);
}
}
nToa1Cycles68KSync = SekTotalCycles();
// BurnTimerEndFrameYM3812(nCyclesTotal[1]);
// BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
if (pBurnSoundOut) {
BurnSampleRender(pBurnSoundOut, nBurnSoundLen);
#ifdef TOAPLAN_SOUND_SAMPLES_HACK
if (Start > 0) Wait++;
if (Wait >= (108 + Start2)) {
StopSamplesChannel0();
SetVolumeSamplesChannel0(1.00);
BurnSamplePlay(0x07);
Start = 0;
Start2 = 1;
Wait = 0;
}
if (Start2 == 0) ESEFadeout2();
#endif
}
nCyclesDone[0] = SekTotalCycles() - nCyclesTotal[0];
// bprintf(PRINT_NORMAL, _T(" %i\n"), nCyclesDone[0]);
ToaBufferFCU2Sprites();
SekSetIRQLine(2, CPU_IRQSTATUS_AUTO); // sprite buffer finished...
SekClose();
return 0;
}
static INT32 DrvFrame()
{
INT32 nCyclesVBlank;
INT32 nInterleave = 8;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0; // Player 1
DrvInput[1] = 0; // Player 2
for (INT32 i = 0; i < 16; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
}
CaveClearOpposites(&DrvInput[0]);
CaveClearOpposites(&DrvInput[1]);
DrvInput[0] ^= 0xffff;
DrvInput[1] ^= 0xffff;
SekNewFrame();
nCyclesTotal[0] = (INT32)((INT64)16000000 * nBurnCPUSpeedAdjust / (0x0100 * CAVE_REFRESHRATE));
nCyclesDone[0] = 0;
nCyclesVBlank = nCyclesTotal[0] - (INT32)((nCyclesTotal[0] * CAVE_VBLANK_LINES) / 271.5);
bVBlank = false;
INT32 nSoundBufferPos = 0;
SekOpen(0);
for (INT32 i = 1; i <= nInterleave; i++) {
INT32 nNext;
// Render sound segment
if ((i & 1) == 0) {
if (pBurnSoundOut) {
INT32 nSegmentEnd = nBurnSoundLen * i / nInterleave;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
YMZ280BRender(pSoundBuf, nSegmentEnd - nSoundBufferPos);
nSoundBufferPos = nSegmentEnd;
}
}
// Run 68000
nCurrentCPU = 0;
nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;
// See if we need to trigger the VBlank interrupt
if (!bVBlank && nNext > nCyclesVBlank) {
if (nCyclesDone[nCurrentCPU] < nCyclesVBlank) {
nCyclesSegment = nCyclesVBlank - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
}
if (pBurnDraw != NULL) {
DrvDraw(); // Draw screen if needed
}
bVBlank = true;
nVideoIRQ = 0;
UpdateIRQStatus();
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (!CheckSleep(nCurrentCPU)) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
nCurrentCPU = -1;
}
{
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
YMZ280BRender(pSoundBuf, nSegmentLength);
}
}
}
SekClose();
return 0;
}
int twinhawkFrame()
{
if (drvReset) { // Reset machine
drvDoReset();
}
twinhawkInpMake();
int nInterleave =10;
SekNewFrame();
SekOpen(0);
ZetOpen(0);
nCyclesTotal[0] = 8000000/60;
nCyclesTotal[1] = 4000000/60;
rCyclesDone[0] = rCyclesDone[1] = 0;
int nSoundBufferPos = 0;
for (int i = 0; i < nInterleave; i++) {
int nCurrentCPU;
int nNext;
// Run 68000
nCurrentCPU = 0;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
nCyclesSegment = nNext - rCyclesDone[nCurrentCPU];
rCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
// Run Z80
nCurrentCPU = 1;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
nCyclesSegment = nNext - rCyclesDone[nCurrentCPU];
nCyclesSegment = ZetRun(nCyclesSegment);
rCyclesDone[nCurrentCPU] += nCyclesSegment;
{
// Render sound segment
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen / nInterleave;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
}
{
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
BurnYM2151Render(pSoundBuf, nSegmentLength);
}
}
}
SekSetIRQLine(2, SEK_IRQSTATUS_AUTO);
ZetClose();
SekClose();
if (pBurnDraw) {
twinhawkDraw(); // Draw screen if needed
}
return 0;
}
static INT32 DrvFrame()
{
INT32 nInterleave = 4;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0x00; // Buttons
DrvInput[1] = 0x00; // Player 1
DrvInput[4] = 0x00; // Player 2
for (INT32 i = 0; i < 8; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
DrvInput[4] |= (DrvButton[i] & 1) << i;
}
ToaClearOpposites(&DrvInput[0]);
ToaClearOpposites(&DrvInput[1]);
SekNewFrame();
ZetNewFrame();
SekOpen(0);
ZetOpen(0);
SekIdle(nCyclesDone[0]);
ZetIdle(nCyclesDone[1]);
nCyclesTotal[0] = (INT32)((INT64)10000000 * nBurnCPUSpeedAdjust / (0x0100 * REFRESHRATE));
nCyclesTotal[1] = INT32(28000000.0 / 8 / REFRESHRATE);
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
for (INT32 i = 0; i < nInterleave; i++) {
INT32 nNext;
// Run 68000
nNext = (i + 1) * nCyclesTotal[0] / nInterleave;
// Trigger VBlank interrupt
if (nNext > nToaCyclesVBlankStart) {
if (SekTotalCycles() < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - SekTotalCycles();
SekRun(nCyclesSegment);
}
if (pBurnDraw) {
DrvDraw(); // Draw screen if needed
}
ToaBufferFCU2Sprites();
bVBlank = true;
if (bEnableInterrupts) {
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
}
}
nCyclesSegment = nNext - SekTotalCycles();
if (bVBlank || (!CheckSleep(0))) { // See if this CPU is busywaiting
SekRun(nCyclesSegment);
} else {
SekIdle(nCyclesSegment);
}
BurnTimerUpdateYM3812(i * (nCyclesTotal[1] / nInterleave));
}
nToa1Cycles68KSync = SekTotalCycles();
BurnTimerEndFrameYM3812(nCyclesTotal[1]);
if (pBurnSoundOut) BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
nCyclesDone[0] = SekTotalCycles() - nCyclesTotal[0];
nCyclesDone[1] = ZetTotalCycles() - nCyclesTotal[1];
// bprintf(PRINT_NORMAL, _T(" %i\n"), nCyclesDone[0]);
ZetClose();
SekClose();
// ToaBufferFCU2Sprites();
return 0;
}
static int DrvFrame()
{
int nInterleave = 4;
if (DrvReset) { // Reset machine
DrvDoReset();
}
// Compile digital inputs
DrvInput[0] = 0x00; // Buttons
DrvInput[1] = 0x00; // Player 1
DrvInput[2] = 0x00; // Player 2
DrvInput[6] = 0x00;
DrvInput[7] = 0x00;
for (int i = 0; i < 8; i++) {
DrvInput[0] |= (DrvJoy1[i] & 1) << i;
DrvInput[1] |= (DrvJoy2[i] & 1) << i;
DrvInput[2] |= (DrvButton[i] & 1) << i;
DrvInput[6] |= (DrvJoy3[i] & 1) << i;
DrvInput[7] |= (DrvJoy4[i] & 1) << i;
}
ToaClearOpposites(&DrvInput[0]);
ToaClearOpposites(&DrvInput[1]);
ToaClearOpposites(&DrvInput[6]);
ToaClearOpposites(&DrvInput[7]);
SekNewFrame();
nCyclesTotal[0] = (int)((long long)16000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
nCyclesDone[0] = 0;
SekSetCyclesScanline(nCyclesTotal[0] / 262);
nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
bVBlank = false;
int nSoundBufferPos = 0;
SekOpen(0);
for (int i = 0; i < nInterleave; i++) {
int nCurrentCPU;
int nNext;
// Run 68000
nCurrentCPU = 0;
nNext = (i + 1) * nCyclesTotal[nCurrentCPU] / nInterleave;
// Trigger VBlank interrupt
if (!bVBlank && nNext > nToaCyclesVBlankStart) {
if (nCyclesDone[nCurrentCPU] < nToaCyclesVBlankStart) {
nCyclesSegment = nToaCyclesVBlankStart - nCyclesDone[nCurrentCPU];
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
}
bVBlank = true;
ToaBufferGP9001Sprites();
SekSetIRQLine(4, SEK_IRQSTATUS_AUTO);
}
nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
if (bVBlank || (!CheckSleep(nCurrentCPU))) { // See if this CPU is busywaiting
nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
} else {
nCyclesDone[nCurrentCPU] += SekIdle(nCyclesSegment);
}
{
// Render sound segment
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen / nInterleave;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
}
}
{
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
int nSegmentLength = nBurnSoundLen - nSoundBufferPos;
short* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
BurnYM2151Render(pSoundBuf, nSegmentLength);
MSM6295Render(0, pSoundBuf, nSegmentLength);
}
}
}
SekClose();
if (pBurnDraw != NULL) {
DrvDraw(); // Draw screen if needed
}
return 0;
}