示例#1
0
文件: qs.cpp 项目: SiN13/pifba
void QsndNewFrame()
{
	ZetNewFrame();

	ZetIdle(nQsndCyclesExtra);

	QscNewFrame();
}
示例#2
0
void Sf2mdtSoundFrameStart()
{
	Sf2mdtMSM5205Interleave = MSM5205CalcInterleave(0, 3579540);
	Sf2mdtSoundPos = 0;
	Sf2mdtCyclesPerSegment = (INT64)nCpsZ80Cycles / Sf2mdtMSM5205Interleave;
	
	ZetNewFrame();
	ZetOpen(0);	
}
示例#3
0
文件: ps.cpp 项目: SiN13/pifba
void PsndNewFrame()
{
	ZetNewFrame();
	PsmNewFrame();
	nSyncNext = nSyncPeriod;

	ZetIdle(nCyclesDone % nCpsZ80Cycles);
	nCyclesDone = 0;
}
示例#4
0
void QsndNewFrame()
{
	ZetNewFrame();

   QUARK_LOG_VAR(nQsndCyclesExtra);

   ZetOpen(0);
	ZetIdle(nQsndCyclesExtra);

	QscNewFrame();
}
示例#5
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;
}
示例#6
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;
}
示例#7
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;
}
示例#8
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;
}
示例#9
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);
		}
	}
}