Function gsCSRwrite

pcsx2/GS.cpp:31–82

}

static __fi void gsCSRwrite( const tGS_CSR& csr )
{
	if (csr.RESET) {
		GUNIT_WARN("GUNIT_WARN: csr.RESET");
		//Console.Warning( "csr.RESET" );
		//gifUnit.Reset(true); // Don't think gif should be reset...
		gifUnit.gsSIGNAL.queued = false;
		gifUnit.gsFINISH.gsFINISHFired = true;
		gifUnit.gsFINISH.gsFINISHPending = false;
		// Privilage registers also reset.
		std::memset(g_RealGSMem, 0, sizeof(g_RealGSMem));
		GSIMR.reset();
		CSRreg.Reset();
		MTGS::ResetGS(false);
	}

	if(csr.FLUSH)
	{
		// Our emulated GS has no FIFO, but if it did, it would flush it here...
		//Console.WriteLn("GS_CSR FLUSH GS fifo: %x (CSRr=%x)", value, GSCSRr);
	}

	if(csr.SIGNAL)
	{
		const bool resume = CSRreg.SIGNAL;
		// SIGNAL : What's not known here is whether or not the SIGID register should be updated
		//  here or when the IMR is cleared (below).
		GUNIT_LOG("csr.SIGNAL");
		if (gifUnit.gsSIGNAL.queued) {
			//DevCon.Warning("Firing pending signal");
			GSSIGLBLID.SIGID = (GSSIGLBLID.SIGID & ~gifUnit.gsSIGNAL.data[1])
				        | (gifUnit.gsSIGNAL.data[0]&gifUnit.gsSIGNAL.data[1]);

			if (!GSIMR.SIGMSK) gsIrq();
			CSRreg.SIGNAL  = true; // Just to be sure :p
		}
		else CSRreg.SIGNAL = false;
		gifUnit.gsSIGNAL.queued = false;

		if (resume)
			gifUnit.Execute(false, true); // Resume paused transfers
	}

	if (csr.FINISH)	{
		CSRreg.FINISH = false;
		gifUnit.gsFINISH.gsFINISHFired = false; //Clear the previously fired FINISH (YS, Indiecar 2005, MGS3)
		gifUnit.gsFINISH.gsFINISHPending = false;
	}
	if(csr.HSINT)	CSRreg.HSINT	= false;
	if(csr.VSINT)	CSRreg.VSINT	= false;
	if(csr.EDWINT)	CSRreg.EDWINT	= false;
}

static __fi void IMRwrite(u32 value)
{