Method execHardware

desmume/src/NDSSystem.cpp:1788–1852

}

void Sequencer::execHardware()
{
	if(dispcnt.isTriggered())
	{

		IF_DEVELOPER(DEBUG_statistics.sequencerExecutionCounters[1]++);

		switch(dispcnt.param)
		{
		case ESI_DISPCNT_HStart:
			execHardware_hstart();
			//(used to be 3168)
			//hstart is actually 8 dots before the visible drawing begins
			//we're going to run 1 here and then run 7 in the next case
			dispcnt.timestamp += 1*6*2;
			dispcnt.param = ESI_DISPCNT_HStartIRQ;
			break;
		case ESI_DISPCNT_HStartIRQ:
			execHardware_hstart_irq();
			dispcnt.timestamp += 7*6*2;
			dispcnt.param = ESI_DISPCNT_HDraw;
			break;
			
		case ESI_DISPCNT_HDraw:
			execHardware_hdraw();
			//duration of non-blanking period is ~1606 clocks (gbatek agrees) [but says its different on arm7]
			//im gonna call this 267 dots = 267*6=1602
			//so, this event lasts 267 dots minus the 8 dot preroll
			dispcnt.timestamp += (267-8)*6*2;
			dispcnt.param = ESI_DISPCNT_HBlank;
			break;

		case ESI_DISPCNT_HBlank:
			execHardware_hblank();
			//(once this was 1092 or 1092/12=91 dots.)
			//there are surely 355 dots per scanline, less 267 for non-blanking period. the rest is hblank and then after that is hstart
			dispcnt.timestamp += ((355-267)*6*2);
			dispcnt.param = ESI_DISPCNT_HStart;
			break;
		}
	}
	sequencerNext = dispcnt.timestamp;

#ifdef EXPERIMENTAL_WIFI_COMM
	if(wifi.isTriggered())
	{
		WIFI_usTrigger();
		wifi.timestamp += kWifiCycles;
	}
#endif
	
	if(divider.isTriggered()) { divider.exec(); SEQUENCER_NEXT(divider.next()); }
	if(sqrtunit.isTriggered()) { sqrtunit.exec(); SEQUENCER_NEXT(sqrtunit.next()); }
	if(gxfifo.isTriggered()) { gxfifo.exec(); SEQUENCER_NEXT(gxfifo.next()); }


#define test(X,Y) if(dma_##X##_##Y .isTriggered()) { dma_##X##_##Y .exec(); SEQUENCER_NEXT(dma_##X##_##Y .next()); }
	test(0,0); test(0,1); test(0,2); test(0,3);