Function _dmaSPR1

pcsx2/SPR.cpp:416–484

}

void _dmaSPR1()   // toSPR work function
{
	switch(spr1ch.chcr.MOD)
	{
		case NORMAL_MODE:
		{
			//int cycles = 0;
			// Transfer Dn_QWC from Dn_MADR to SPR1
			SPR1chain();
			spr1finished = true;
			return;
		}
		case CHAIN_MODE:
		{
			tDMA_TAG *ptag;
			bool done = false;

			if (spr1ch.qwc > 0)
			{
				SPR_LOG("spr1 Normal or in Progress size=%d, addr=%lx taddr=%lx saddr=%lx", spr1ch.qwc, spr1ch.madr, spr1ch.tadr, spr1ch.sadr);
				// Transfer Dn_QWC from Dn_MADR to SPR1
				SPR1chain();
				return;
			}
			// Chain Mode

			ptag = SPRdmaGetAddr(spr1ch.tadr, false); // Set memory pointer to TADR

			if (!spr1ch.transfer("SPR1 Tag", ptag))
			{
				done = true;
				spr1finished = done;
			}

			spr1ch.madr = ptag[1]._u32;	// MADR = ADDR field + SPR

			// Transfer dma tag if tte is set
			if (spr1ch.chcr.TTE)
			{
				SPR_LOG("SPR TTE: %x_%x\n", ptag[3]._u32, ptag[2]._u32);
				SPR1transfer(ptag, 1); // Transfer Tag
			}

			SPR_LOG("spr1 dmaChain %8.8x_%8.8x size=%d, id=%d, addr=%lx taddr=%lx saddr=%lx",
				ptag[1]._u32, ptag[0]._u32, spr1ch.qwc, ptag->ID, spr1ch.madr, spr1ch.tadr, spr1ch.sadr);

			done = hwDmacSrcChain(spr1ch, ptag->ID);
			SPR1chain(); // Transfers the data set by the switch

			if (spr1ch.chcr.TIE && ptag->IRQ) // Check TIE bit of CHCR and IRQ bit of tag
			{
				SPR_LOG("dmaIrq Set");

				//Console.WriteLn("SPR1 TIE");
				done = true;
			}

			spr1finished = done;