GSnull: A bit more work on the gif transfers.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1186 96395faa-99c1-11dd-bbfe-3dabce05a288

plugins/GSnull/GS.cpp

@@ -27,6 +27,7 @@
 using namespace std;
 
 #include "GS.h"
+
 #ifdef __LINUX__
 Display *display;
 int screen;
@@ -174,14 +175,17 @@ EXPORT_C_(void) GSvsync(int field)
 
 EXPORT_C_(void) GSgifTransfer1(u32 *pMem, u32 addr)
 {
+	_GSgifTransfer1(pMem, addr);
 }
 
 EXPORT_C_(void) GSgifTransfer2(u32 *pMem, u32 size)
 {
+	_GSgifTransfer2(pMem, size);
 }
 
 EXPORT_C_(void) GSgifTransfer3(u32 *pMem, u32 size)
 {
+	_GSgifTransfer3(pMem, size);
 }
 
  // returns the last tag processed (64 bits)

plugins/GSnull/GS.h

@@ -44,6 +44,8 @@ extern "C"
 }
 #endif
 
+#include "GifTransfer.h"
+
 /*#ifdef _MSC_VER
 #define EXPORT_C_(type) extern "C" __declspec(dllexport) type CALLBACK
 #else

plugins/GSnull/GifTransfer.cpp

@@ -26,30 +26,39 @@
 
 using namespace std;
 
+u32 CSRw;
+GIFPath m_path[3];
+bool Path3transfer;
+
+PCSX2_ALIGNED16( u8 g_RealGSMem[0x2000] );
+#define GSCSRr *((u64*)(g_RealGSMem+0x1000))
+#define GSIMR *((u32*)(g_RealGSMem+0x1010))
+#define GSSIGLBLID ((GSRegSIGBLID*)(g_RealGSMem+0x1080))
+
 static void RegHandlerSIGNAL(const u32* data)
 {
 	//MTGS_LOG("MTGS SIGNAL data %x_%x CSRw %x\n",data[0], data[1], CSRw);
 
-	//GSSIGLBLID->SIGID = (GSSIGLBLID->SIGID&~data[1])|(data[0]&data[1]);
+	GSSIGLBLID->SIGID = (GSSIGLBLID->SIGID&~data[1])|(data[0]&data[1]);
 	
-	//if ((CSRw & 0x1))  GSCSRr |= 1; // signal
+	if ((CSRw & 0x1))  GSCSRr |= 1; // signal
 			
-	//if (!(GSIMR&0x100) ) gsIrq();
+	if (!(GSIMR & 0x100) ) GSirq();
 }
 
 static void RegHandlerFINISH(const u32* data)
 {
 	//MTGS_LOG("MTGS FINISH data %x_%x CSRw %x\n",data[0], data[1], CSRw);
 
-	//if ((CSRw & 0x2))  GSCSRr |= 2; // finish
+	if ((CSRw & 0x2))  GSCSRr |= 2; // finish
 		
-	//if (!(GSIMR&0x200) ) gsIrq();
+	if (!(GSIMR & 0x200) ) GSirq();
 	
 }
 
 static void RegHandlerLABEL(const u32* data)
 {
-	//GSSIGLBLID->LBLID = (GSSIGLBLID->LBLID&~data[1])|(data[0]&data[1]);
+	GSSIGLBLID->LBLID = (GSSIGLBLID->LBLID&~data[1])|(data[0]&data[1]);
 }
 
 typedef void (*GIFRegHandler)(const u32* data);
@@ -237,3 +246,30 @@ __forceinline u32 _gifTransfer( GIF_PATH pathidx, const u8* pMem, u32 size )
 	}
 	return size;
 }
+
+// This currently segfaults in the beginning of KH1 if defined.
+//#define DO_GIF_TRANSFERS
+
+void _GSgifTransfer1(u32 *pMem, u32 addr)
+{	
+#ifdef DO_GIF_TRANSFERS
+	/* This needs looking at, since I quickly grabbed it from ZeroGS. */
+	addr &= 0x3fff;
+	_gifTransfer( GIF_PATH_1, ((u8*)pMem+(u8)addr), (0x4000-addr)/16);
+#endif
+}
+
+void _GSgifTransfer2(u32 *pMem, u32 size)
+{
+#ifdef DO_GIF_TRANSFERS
+	_gifTransfer( GIF_PATH_2, (u8*)pMem, size);
+#endif
+}
+
+void _GSgifTransfer3(u32 *pMem, u32 size)
+{
+#ifdef DO_GIF_TRANSFERS
+	_gifTransfer( GIF_PATH_3, (u8*)pMem, size);
+#endif
+}
+

plugins/GSnull/GifTransfer.h

@@ -16,6 +16,9 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
  
+ #ifndef __GIF_TRANSFER_H__
+ #define __GIF_TRANSFER_H__
+ 
 #include <assert.h>
 #include <algorithm>
 
@@ -84,5 +87,11 @@ struct GIFPath
 	u32 GetReg();
 };
 
-	GIFPath m_path[3];
-	bool Path3transfer;
+extern GIFPath m_path[3];
+extern bool Path3transfer;
+
+extern void _GSgifTransfer1(u32 *pMem, u32 addr);
+extern void _GSgifTransfer2(u32 *pMem, u32 size);
+extern void _GSgifTransfer3(u32 *pMem, u32 size);
+
+#endif

plugins/GSnull/Windows/GSnull_vc2008.vcproj

@@ -164,6 +164,10 @@
 				RelativePath="..\GS.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\GifTransfer.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\Win32.cpp"
 				>
@@ -177,6 +181,10 @@
 				RelativePath="..\GS.h"
 				>
 			</File>
+			<File
+				RelativePath="..\GifTransfer.h"
+				>
+			</File>
 			<File
 				RelativePath=".\resource.h"
 				>