예제 #1
0
void endframe_dec_aud(int cycles)
{
	BurnTimerEndFrame(cycles);

	if (pBurnSoundOut)
	{
		BurnYM2203Update(pBurnSoundOut, nBurnSoundLen);
		BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
		MSM6295Render(0, pBurnSoundOut, nBurnSoundLen);
	}	
}
예제 #2
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;
}
예제 #3
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;
}