void QsndNewFrame()
{
ZetNewFrame();
ZetIdle(nQsndCyclesExtra);
QscNewFrame();
}
void Sf2mdtSoundFrameStart()
{
Sf2mdtMSM5205Interleave = MSM5205CalcInterleave(0, 3579540);
Sf2mdtSoundPos = 0;
Sf2mdtCyclesPerSegment = (INT64)nCpsZ80Cycles / Sf2mdtMSM5205Interleave;
ZetNewFrame();
ZetOpen(0);
}
void PsndNewFrame()
{
ZetNewFrame();
PsmNewFrame();
nSyncNext = nSyncPeriod;
ZetIdle(nCyclesDone % nCpsZ80Cycles);
nCyclesDone = 0;
}
void QsndNewFrame()
{
ZetNewFrame();
QUARK_LOG_VAR(nQsndCyclesExtra);
ZetOpen(0);
ZetIdle(nQsndCyclesExtra);
QscNewFrame();
}
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 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 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()
{
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;
}
/* Run the virtual console emulation for one frame */
void system_frame(int skip_render)
{
static int iline_table[] = {0xC0, 0xE0, 0xF0};
int lpf = (sms.display == DISPLAY_NTSC) ? 262 : 313;
int iline, z80cnt = 0;;
INT32 nSoundBufferPos = 0;
/* Debounce pause key */
if(input.system & INPUT_PAUSE)
{
if(!sms.paused)
{
sms.paused = 1;
ZetNmi();
}
}
else
{
sms.paused = 0;
}
ZetNewFrame();
text_counter = 0;
/* End of frame, parse sprites for line 0 on line 261 (VCount=$FF) */
if(vdp.mode <= 7)
parse_line(0);
for(vdp.line = 0; vdp.line < lpf;)
{
iline = iline_table[vdp.extended];
z80cnt = 0;
if(!skip_render)
{
render_line(vdp.line);
}
if(vdp.line <= iline)
{
vdp.left -= 1;
if(vdp.left == -1)
{
vdp.left = vdp.reg[0x0A];
vdp.hint_pending = 1;
if(vdp.reg[0x00] & 0x10)
{
if (!(ZetTotalCycles() % CYCLES_PER_LINE)) {
ZetRun(1);
z80cnt++;
}
ZetSetIRQLine(0, CPU_IRQSTATUS_ACK);
}
}
}
else
{
vdp.left = vdp.reg[0x0A];
}
ZetRun(228 - z80cnt);
if(vdp.line == iline)
{
vdp.status |= 0x80;
vdp.vint_pending = 1;
if(vdp.reg[0x01] & 0x20)
{
ZetSetIRQLine(0, CPU_IRQSTATUS_ACK);
}
}
// Render Sound Segment
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen / lpf;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
SN76496Update(0, pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
++vdp.line;
if(vdp.mode <= 7)
parse_line(vdp.line);
}
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
SN76496Update(0, pSoundBuf, nSegmentLength);
}
}
}
