From ef7ac95153c9bfc769410a416789e05faa29d4d6 Mon Sep 17 00:00:00 2001
From: "crediar@rypp.net"
 <crediar@rypp.net@be6c1b03-d731-4111-a574-e37d80d43941>
Date: Thu, 28 Jun 2012 19:38:04 +0000
Subject: [PATCH] Patches: *Added a new method of video mode forcing (i.e.
 Luigi's Mansion EUR works in NTSC video mode)

git-svn-id: svn://localhost/Users/andi/Downloads/code/trunk@13 be6c1b03-d731-4111-a574-e37d80d43941
---
 Patches.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 Patches.h | 24 +++++++++++++++++++
 dip.c     | 13 ++++++++++
 3 files changed, 108 insertions(+)

diff --git a/Patches.c b/Patches.c
index a7eb918..d7a7042 100644
--- a/Patches.c
+++ b/Patches.c
@@ -76,6 +76,43 @@ u32 __GXSetVAT_patch[31] = {
 	0x4082ffa0, 0x38000000, 0x980904f2, 0x4e800020
 };
 
+u8 GXMObjects[][0x3C] =
+{
+	{	// GXPal528IntDf
+		0x00, 0x00, 0x00, 0x04, 0x02, 0x80, 0x02, 0x10, 0x02, 0x10, 0x00, 0x28, 0x00, 0x17, 0x02, 0x80, 
+		0x02, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x08, 0x08, 0x0A, 0x0C, 0x0A, 0x08, 0x08, 0x00, 0x00, 0x00, 
+	},
+
+	{	// GXEurgb60Hz480IntDf
+		0x00, 0x00, 0x00, 0x14, 0x02, 0x80, 0x01, 0xE0, 0x01, 0xE0, 0x00, 0x28, 0x00, 0x00, 0x02, 0x80, 
+		0x01, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x08, 0x08, 0x0A, 0x0C, 0x0A, 0x08, 0x08, 0x00, 0x00, 0x00, 
+	},
+
+	{	// GXMpal480IntDf
+		0x00, 0x00, 0x00, 0x08, 0x02, 0x80, 0x01, 0xE0, 0x01, 0xE0, 0x00, 0x28, 0x00, 0x00, 0x02, 0x80, 
+		0x01, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x08, 0x08, 0x0A, 0x0C, 0x0A, 0x08, 0x08, 0x00, 0x00, 0x00, 
+	},
+
+	{	// GXNtsc480IntDf
+		0x00, 0x00, 0x00, 0x00, 0x02, 0x80, 0x01, 0xE0, 0x01, 0xE0, 0x00, 0x28, 0x00, 0x00, 0x02, 0x80, 
+		0x01, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x08, 0x08, 0x0A, 0x0C, 0x0A, 0x08, 0x08, 0x00, 0x00, 0x00, 
+	},
+
+	{	// GXNtsc480Int
+		0x00, 0x00, 0x00, 0x00, 0x02, 0x80, 0x01, 0xE0, 0x01, 0xE0, 0x00, 0x28, 0x00, 0x00, 0x02, 0x80, 
+		0x01, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 
+		0x06, 0x06, 0x00, 0x00, 0x15, 0x16, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	},
+};
 
 FuncPattern FPatterns[] =
 {
@@ -751,6 +788,40 @@ void DoPatches( char *ptr, u32 size, u32 SectionOffset )
 			if( PatchCount == 47 )
 				break;
 		}
+	}
+
+	if( ConfigGetVideMode() & DML_VID_FORCE )
+	{
+		k=0;
+		for( i=0; i < size; i+=4 )
+		{
+			for( j=0; j <= GXNtsc480Int; ++j )
+			{
+				if( memcmp( ptr+i, GXMObjects[j], 0x3C ) == 0 )
+				{
+					dbgprintf("Patch:Found GX pattern %u at %08X\n", j, ptr+i );
+					switch( ConfigGetVideMode() & 15 )
+					{
+						case DML_VID_FORCE_PAL50:
+						{
+							memcpy( ptr+i, GXMObjects[GXPal528IntDf], 0x3C );
+						} break;
+						case DML_VID_FORCE_PAL60:
+						{
+							memcpy( ptr+i, GXMObjects[GXEurgb60Hz480IntDf], 0x3C );
+						} break;
+						case DML_VID_FORCE_NTSC:
+						{
+							memcpy( ptr+i, GXMObjects[GXNtsc480IntDf], 0x3C );
+						} break;
+					}
+					k++;
+				}
+			}
+
+			if( k > 4 )
+				break;
+		}
 	}
 		
 	for( i=0; i < size; i+=4 )
diff --git a/Patches.h b/Patches.h
index 4a306bb..fe64b2a 100644
--- a/Patches.h
+++ b/Patches.h
@@ -9,6 +9,7 @@
 #include "vsprintf.h"
 #include "HW.h"
 #include "dol.h"
+#include "Config.h"
 
 
 typedef struct PatchInfo
@@ -43,6 +44,29 @@ typedef struct PatchCache
 	u32 PatchID;
 	
 } PatchCache;
+
+typedef struct _gx_rmodeobj {
+	u32 viTVMode;
+	u16 fbWidth;
+	u16 efbHeight;
+	u16 xfbHeight;
+	u16 viXOrigin;	
+	u16 viYOrigin;	
+	u16 viWidth;
+	u16 viHeight;
+	u32  xfbMode;
+	u8  field_rendering;
+	u8  aa;
+	u8  sample_pattern[12][2];
+	u8  vfilter[7];
+} GXRModeObj;
+
+#define GXPal528IntDf		0
+#define GXEurgb60Hz480IntDf	1
+#define GXMpal480IntDf		2
+#define GXNtsc480IntDf		3
+#define GXNtsc480Int		4
+
 
 void PatchGCIPL( void );
 void DoPatches( char *ptr, u32 size, u32 SectionOffset );
diff --git a/dip.c b/dip.c
index a8df3d2..b35fa88 100644
--- a/dip.c
+++ b/dip.c
@@ -176,6 +176,19 @@ u32 DIUpdateRegisters( void )
 									if( DOLMaxOff < dol->addressText[i] + dol->sizeText[i] )
 										DOLMaxOff = dol->addressText[i] + dol->sizeText[i];
 								}
+
+								for( i=0; i < 11; ++i )
+								{
+									if( dol->addressData[i] == 0 )
+										continue;
+
+									if( DOLMinOff > dol->addressData[i])
+										DOLMinOff = dol->addressData[i];
+
+									if( DOLMaxOff < dol->addressData[i] + dol->sizeData[i] )
+										DOLMaxOff = dol->addressData[i] + dol->sizeData[i];
+								}
+
 								DOLMinOff -= 0x80000000;
 								DOLMaxOff -= 0x80000000;