upgrade core to 1.57

source/snes9x/65c816.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/c4.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -294,7 +309,6 @@ void C4Op1F (void)
 	{
 		tanval = (double) C41FYVal / C41FXVal;
 		C41FAngleRes = (int16) (atan(tanval) / (C4_PI * 2) * 512);
-		C41FAngleRes = C41FAngleRes;
 		if (C41FXVal< 0)
 			C41FAngleRes += 0x100;
 		C41FAngleRes &= 0x1FF;

source/snes9x/c4.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/c4emu.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -1192,10 +1207,11 @@ void S9xSetC4 (uint8 byte, uint16 Address)
 					if (Memory.C4RAM[0x1f4d] != 0x0e)
 						printf("$7f4d=%02x, expected 0e for command 54 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]);
 				#endif
-					int64	a = SAR((int64) READ_3WORD(Memory.C4RAM + 0x1f80) << 40, 40);
+					int64   b = (int64) READ_3WORD(Memory.C4RAM + 0x1f80);
-					//printf("%08X%08X\n", (uint32) (a>>32), (uint32) (a&0xFFFFFFFF));
+					int64   c = b << 40;
+					int64	a = SAR(c, 30);
+					a = SAR(c, 10);
 					a *= a;
-					//printf("%08X%08X\n", (uint32) (a>>32), (uint32) (a&0xFFFFFFFF));
 					WRITE_3WORD(Memory.C4RAM + 0x1f83, a);
 					WRITE_3WORD(Memory.C4RAM + 0x1f86, (a >> 24));
 					break;

source/snes9x/cheats2.cpp

@@ -607,6 +607,7 @@ int S9xAddCheatGroup (const char *name, const char *cheat)
         return -1;
 
     Cheat.g.push_back (g);
+
     return Cheat.g.size () - 1;
 }
 

source/snes9x/clip.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/controls.cpp

@@ -3085,6 +3085,16 @@ void S9xSetJoypadLatch (bool latch)
 	FLAG_LATCH = latch;
 }
 
+// prevent read_idx from overflowing (only latching resets it)
+// otherwise $4016/7 reads will start returning input data again
+static inline uint8 IncreaseReadIdxPost(uint8 &var)
+{
+	uint8 oldval = var;
+	if (var < 255)
+		var++;
+	return oldval;
+}
+
 uint8 S9xReadJOYSERn (int n)
 {
 	int	i, j, r;
@@ -3139,7 +3149,7 @@ uint8 S9xReadJOYSERn (int n)
 		switch (i = curcontrollers[n])
 		{
 			case MP5:
-				r = read_idx[n][FLAG_IOBIT(n) ? 0 : 1]++;
+				r = IncreaseReadIdxPost(read_idx[n][FLAG_IOBIT(n) ? 0 : 1]);
 				j = FLAG_IOBIT(n) ? 0 : 2;
 
 				for (i = 0; i < 2; i++, j++)
@@ -3164,64 +3174,64 @@ uint8 S9xReadJOYSERn (int n)
 			case JOYPAD7:
 				if (read_idx[n][0] >= 16)
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits | 1);
 				}
 				else
-					return (bits | ((joypad[i - JOYPAD0].buttons & (0x8000 >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((joypad[i - JOYPAD0].buttons & (0x8000 >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 
 			case MOUSE0:
 			case MOUSE1:
 				if (read_idx[n][0] < 8)
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits);
 				}
 				else
 				if (read_idx[n][0] < 16)
-					return (bits | ((mouse[i - MOUSE0].buttons & (0x8000     >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((mouse[i - MOUSE0].buttons & (0x8000     >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				if (read_idx[n][0] < 24)
-					return (bits | ((mouse[i - MOUSE0].delta_y & (0x800000   >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((mouse[i - MOUSE0].delta_y & (0x800000   >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				if (read_idx[n][0] < 32)
-					return (bits | ((mouse[i - MOUSE0].delta_x & (0x80000000 >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((mouse[i - MOUSE0].delta_x & (0x80000000 >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits | 1);
 				}
 
 			case SUPERSCOPE:
 				if (read_idx[n][0] < 8)
-					return (bits | ((superscope.read_buttons & (0x80 >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((superscope.read_buttons & (0x80 >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits | 1);
 				}
 
 			case ONE_JUSTIFIER:
 				if (read_idx[n][0] < 24)
-					return (bits | ((0xaa7000 >> read_idx[n][0]++) & 1));
+					return (bits | ((0xaa7000 >> IncreaseReadIdxPost(read_idx[n][0])) & 1));
 				else
 				if (read_idx[n][0] < 32)
-					return (bits | ((justifier.buttons & (JUSTIFIER_TRIGGER | JUSTIFIER_START | JUSTIFIER_SELECT) & (0x80000000 >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((justifier.buttons & (JUSTIFIER_TRIGGER | JUSTIFIER_START | JUSTIFIER_SELECT) & (0x80000000 >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits | 1);
 				}
 
 			case TWO_JUSTIFIERS:
 				if (read_idx[n][0] < 24)
-					return (bits | ((0xaa7000 >> read_idx[n][0]++) & 1));
+					return (bits | ((0xaa7000 >> IncreaseReadIdxPost(read_idx[n][0])) & 1));
 				else
 				if (read_idx[n][0] < 32)
-					return (bits | ((justifier.buttons & (0x80000000 >> read_idx[n][0]++)) ? 1 : 0));
+					return (bits | ((justifier.buttons & (0x80000000 >> IncreaseReadIdxPost(read_idx[n][0]))) ? 1 : 0));
 				else
 				{
-					read_idx[n][0]++;
+					IncreaseReadIdxPost(read_idx[n][0]);
 					return (bits | 1);
 				}
 
@@ -3230,7 +3240,7 @@ uint8 S9xReadJOYSERn (int n)
 				return (bits | ((macsrifle.buttons & 0x01) ? 1 : 0));
 
 			default:
-				read_idx[n][0]++;
+				IncreaseReadIdxPost(read_idx[n][0]);
 				return (bits);
 		}
 	}
@@ -3912,3 +3922,4 @@ void MovieSetMacsRifle (int i, uint8 in[5])
 	macsrifle.y = READ_WORD(ptr); ptr += 2;
 	macsrifle.buttons = *ptr;
 }
+

source/snes9x/cpu.cpp

@@ -289,7 +289,7 @@ void S9xReset (void)
 
 	memset(Memory.RAM, 0x55, 0x20000);
 	memset(Memory.VRAM, 0x00, 0x10000);
-	ZeroMemory(Memory.FillRAM, 0x8000);
+	memset(Memory.FillRAM, 0, 0x8000);
 
 	S9xResetBSX();
 	S9xResetCPU();
@@ -324,7 +324,7 @@ void S9xSoftReset (void)
 {
 	S9xResetSaveTimer(FALSE);
 
-	ZeroMemory(Memory.FillRAM, 0x8000);
+	memset(Memory.FillRAM, 0, 0x8000);
 
 	if (Settings.BS)
 		S9xResetBSX();

source/snes9x/cpuaddr.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -287,6 +302,8 @@ static inline uint32 AbsoluteIndexedIndirectSlow (AccessMode a)			// (a,X)
 static inline uint32 AbsoluteIndexedIndirect (AccessMode a)				// (a,X)
 {
 	uint16	addr = Immediate16Slow(READ);
+
+	AddCycles(ONE_CYCLE);
 	addr += Registers.X.W;
 
 	// Address load wraps within the bank

source/snes9x/cpumacro.h

@@ -315,57 +315,40 @@ static inline void ADC (uint16 Work16)
 {
 	if (CheckDecimal())
 	{
-		uint16	A1 = Registers.A.W & 0x000F;
+		uint32 result;
-		uint16	A2 = Registers.A.W & 0x00F0;
+		uint32 carry = CheckCarry();
-		uint16	A3 = Registers.A.W & 0x0F00;
-		uint32	A4 = Registers.A.W & 0xF000;
-		uint16	W1 = Work16 & 0x000F;
-		uint16	W2 = Work16 & 0x00F0;
-		uint16	W3 = Work16 & 0x0F00;
-		uint16	W4 = Work16 & 0xF000;
 
-		A1 += W1 + CheckCarry();
+		result = (Registers.A.W & 0x000F) + (Work16 & 0x000F) + carry;
-		if (A1 > 0x0009)
+		if (result > 0x0009)
-		{
+			result += 0x0006;
-			A1 -= 0x000A;
+		carry = (result > 0x000F);
-			A1 &= 0x000F;
-			A2 += 0x0010;
-		}
 
-		A2 += W2;
+		result = (Registers.A.W & 0x00F0) + (Work16 & 0x00F0) + (result & 0x000F) + carry * 0x10;
-		if (A2 > 0x0090)
+		if (result > 0x009F)
-		{
+			result += 0x0060;
-			A2 -= 0x00A0;
+		carry = (result > 0x00FF);
-			A2 &= 0x00F0;
-			A3 += 0x0100;
-		}
 
-		A3 += W3;
+		result = (Registers.A.W & 0x0F00) + (Work16 & 0x0F00) + (result & 0x00FF) + carry * 0x100;
-		if (A3 > 0x0900)
+		if (result > 0x09FF)
-		{
+			result += 0x0600;
-			A3 -= 0x0A00;
+		carry = (result > 0x0FFF);
-			A3 &= 0x0F00;
-			A4 += 0x1000;
-		}
 
-		A4 += W4;
+		result = (Registers.A.W & 0xF000) + (Work16 & 0xF000) + (result & 0x0FFF) + carry * 0x1000;
-		if (A4 > 0x9000)
-		{
-			A4 -= 0xA000;
-			A4 &= 0xF000;
-			SetCarry();
-		}
-		else
-			ClearCarry();
 
-		uint16	Ans16 = A4 | A3 | A2 | A1;
+		if ((Registers.A.W & 0x8000) == (Work16 & 0x8000) && (Registers.A.W & 0x8000) != (result & 0x8000))
-
-		if (~(Registers.A.W ^ Work16) & (Work16 ^ Ans16) & 0x8000)
 			SetOverflow();
 		else
 			ClearOverflow();
 
-		Registers.A.W = Ans16;
+		if (result > 0x9FFF)
+			result += 0x6000;
+
+		if (result > 0xFFFF)
+			SetCarry();
+		else
+			ClearCarry();
+
+		Registers.A.W = result & 0xFFFF;
 		SetZN(Registers.A.W);
 	}
 	else
@@ -388,37 +371,30 @@ static inline void ADC (uint8 Work8)
 {
 	if (CheckDecimal())
 	{
-		uint8	A1 = Registers.A.W & 0x0F;
+		uint32 result;
-		uint16	A2 = Registers.A.W & 0xF0;
+		uint32 carry = CheckCarry();
-		uint8	W1 = Work8 & 0x0F;
-		uint8	W2 = Work8 & 0xF0;
 
-		A1 += W1 + CheckCarry();
+		result = (Registers.AL & 0x0F) + (Work8 & 0x0F) + carry;
-		if (A1 > 0x09)
+		if ( result > 0x09 )
-		{
+			result += 0x06;
-			A1 -= 0x0A;
+		carry = (result > 0x0F);
-			A1 &= 0x0F;
-			A2 += 0x10;
-		}
 
-		A2 += W2;
+		result = (Registers.AL & 0xF0) + (Work8 & 0xF0) + (result & 0x0F) + (carry * 0x10);
-		if (A2 > 0x90)
-		{
-			A2 -= 0xA0;
-			A2 &= 0xF0;
-			SetCarry();
-		}
-		else
-			ClearCarry();
 
-		uint8	Ans8 = A2 | A1;
+		if ((Registers.AL & 0x80) == (Work8 & 0x80) && (Registers.AL & 0x80) != (result & 0x80))
-
-		if (~(Registers.AL ^ Work8) & (Work8 ^ Ans8) & 0x80)
 			SetOverflow();
 		else
 			ClearOverflow();
 
-		Registers.AL = Ans8;
+		if (result > 0x9F)
+			result += 0x60;
+
+		if (result > 0xFF)
+			SetCarry();
+		else
+			ClearCarry();
+
+		Registers.AL = result & 0xFF;
 		SetZN(Registers.AL);
 	}
 	else
@@ -691,58 +667,42 @@ static inline void SBC (uint16 Work16)
 {
 	if (CheckDecimal())
 	{
-		uint16	A1 = Registers.A.W & 0x000F;
+		int result;
-		uint16	A2 = Registers.A.W & 0x00F0;
+		int carry = CheckCarry();
-		uint16	A3 = Registers.A.W & 0x0F00;
-		uint32	A4 = Registers.A.W & 0xF000;
-		uint16	W1 = Work16 & 0x000F;
-		uint16	W2 = Work16 & 0x00F0;
-		uint16	W3 = Work16 & 0x0F00;
-		uint16	W4 = Work16 & 0xF000;
 
-		A1 -= W1 + !CheckCarry();
+		Work16 ^= 0xFFFF;
-		A2 -= W2;
-		A3 -= W3;
-		A4 -= W4;
 
-		if (A1 > 0x000F)
+		result = (Registers.A.W & 0x000F) + (Work16 & 0x000F) + carry;
-		{
+		if (result < 0x0010)
-			A1 += 0x000A;
+			result -= 0x0006;
-			A1 &= 0x000F;
+		carry = (result > 0x000F);
-			A2 -= 0x0010;
-		}
 
-		if (A2 > 0x00F0)
+		result = (Registers.A.W & 0x00F0) + (Work16 & 0x00F0) + (result & 0x000F) + carry * 0x10;
-		{
+		if (result < 0x0100)
-			A2 += 0x00A0;
+			result -= 0x0060;
-			A2 &= 0x00F0;
+		carry = (result > 0x00FF);
-			A3 -= 0x0100;
-		}
 
-		if (A3 > 0x0F00)
+		result = (Registers.A.W & 0x0F00) + (Work16 & 0x0F00) + (result & 0x00FF) + carry * 0x100;
-		{
+		if (result < 0x1000)
-			A3 += 0x0A00;
+			result -= 0x0600;
-			A3 &= 0x0F00;
+		carry = (result > 0x0FFF);
-			A4 -= 0x1000;
-		}
 
-		if (A4 > 0xF000)
+		result = (Registers.A.W & 0xF000) + (Work16 & 0xF000) + (result & 0x0FFF) + carry * 0x1000;
-		{
-			A4 += 0xA000;
-			A4 &= 0xF000;
-			ClearCarry();
-		}
-		else
-			SetCarry();
 
-		uint16	Ans16 = A4 | A3 | A2 | A1;
+		if (((Registers.A.W ^ Work16) & 0x8000) == 0 && ((Registers.A.W ^ result) & 0x8000))
-
-		if ((Registers.A.W ^ Work16) & (Registers.A.W ^ Ans16) & 0x8000)
 			SetOverflow();
 		else
 			ClearOverflow();
 
-		Registers.A.W = Ans16;
+		if (result < 0x10000)
+			result -= 0x6000;
+
+		if (result > 0xFFFF)
+			SetCarry();
+		else
+			ClearCarry();
+
+		Registers.A.W = result & 0xFFFF;
 		SetZN(Registers.A.W);
 	}
 	else
@@ -765,38 +725,32 @@ static inline void SBC (uint8 Work8)
 {
 	if (CheckDecimal())
 	{
-		uint8	A1 = Registers.A.W & 0x0F;
+		int result;
-		uint16	A2 = Registers.A.W & 0xF0;
+		int carry = CheckCarry();
-		uint8	W1 = Work8 & 0x0F;
-		uint8	W2 = Work8 & 0xF0;
 
-		A1 -= W1 + !CheckCarry();
+		Work8 ^= 0xFF;
-		A2 -= W2;
 
-		if (A1 > 0x0F)
+		result = (Registers.AL & 0x0F) + (Work8 & 0x0F) + carry;
-		{
+		if (result < 0x10)
-			A1 += 0x0A;
+			result -= 0x06;
-			A1 &= 0x0F;
+		carry = (result > 0x0F);
-			A2 -= 0x10;
-		}
 
-		if (A2 > 0xF0)
+		result = (Registers.AL & 0xF0) + (Work8 & 0xF0) + (result & 0x0F) + carry * 0x10;
-		{
-			A2 += 0xA0;
-			A2 &= 0xF0;
-			ClearCarry();
-		}
-		else
-			SetCarry();
 
-		uint8	Ans8 = A2 | A1;
+		if ((Registers.AL & 0x80) == (Work8 & 0x80) && (Registers.AL & 0x80) != (result & 0x80))
-
-		if ((Registers.AL ^ Work8) & (Registers.AL ^ Ans8) & 0x80)
 			SetOverflow();
 		else
 			ClearOverflow();
 
-		Registers.AL = Ans8;
+		if (result < 0x100 )
+			result -= 0x60;
+
+		if (result > 0xFF)
+			SetCarry();
+		else
+			ClearCarry();
+
+		Registers.AL = result & 0xFF;
 		SetZN(Registers.AL);
 	}
 	else

source/snes9x/dma.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/dsp.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/dsp.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/dsp1.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -881,9 +896,9 @@ static void DSP1_Project (int16 X, int16 Y, int16 Z, int16 *H, int16 *V, int16 *
 	Py = DSP1_ShiftR(Py, E  - refE);
 	Pz = DSP1_ShiftR(Pz, E3 - refE);
 
-	C11 =- (Px * DSP1.Nx >> 15);
+	C11 = -(Px * DSP1.Nx >> 15);
-	C8  =- (Py * DSP1.Ny >> 15);
+	C8  = -(Py * DSP1.Ny >> 15);
-	C9  =- (Pz * DSP1.Nz >> 15);
+	C9  = -(Pz * DSP1.Nz >> 15);
 	C12 = C11 + C8 + C9; // this cannot overflow!
 
 	aux4 = C12; // de-normalization with 32-bits arithmetic
@@ -1354,7 +1369,7 @@ void DSP1SetByte (uint8 byte, uint16 address)
 				case 0x17:
 				case 0x37:
 				case 0x3F:
-					DSP1.command = 0x1f;
+					DSP1.command = 0x1f; // Fall through
 				case 0x1f: DSP1.in_count = 1; break;
 				default:
 				#ifdef DEBUGGER
@@ -1885,7 +1900,7 @@ uint8 DSP1GetByte (uint16 address)
 			DSP1.waiting4command = TRUE;
 		}
 		else
-			t = 0xff;
+			t = 0x80;
 	}
 	else
 		t = 0x80;

source/snes9x/dsp2.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/dsp3.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -1139,7 +1154,7 @@ static void DSP3_OP10 (void)
 		DSP3_Reset();
 	else
 		// absorb 2 bytes
-		DSP3.DR = DSP3.DR;
+		DSP3.DR = DSP3.DR; // FIXME?
 }
 
 /*

source/snes9x/dsp4.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/font.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/fxemu.cpp

@@ -213,8 +213,9 @@ void S9xInitSuperFX (void)
 
 void S9xResetSuperFX (void)
 {
-	// FIXME: Snes9x can't execute CPU and SuperFX at a time. Don't ask me what is 0.417 :P
+	// FIXME: Snes9x only runs the SuperFX at the end of every line.
-	SuperFX.speedPerLine = (uint32) (0.417 * 10.5e6 * ((1.0 / (float) Memory.ROMFramesPerSecond) / ((float) (Timings.V_Max))));
+	// 5823405 is a magic number that seems to work for most games.
+	SuperFX.speedPerLine = (uint32) (5823405 * ((1.0 / (float) Memory.ROMFramesPerSecond) / ((float) (Timings.V_Max))));
 	SuperFX.oneLineDone = FALSE;
 	SuperFX.vFlags = 0;
 	CPU.IRQExternal = FALSE;

source/snes9x/fxemu.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/fxinst.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -891,14 +906,14 @@ static void fx_plot_2bit (void)
 		return;
 #endif
 
+	if (!(GSU.vPlotOptionReg & 0x01) && !(COLR & 0xf))
+		return;
+
 	if (GSU.vPlotOptionReg & 0x02)
-		c = (x ^ y) & 1 ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
+		c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
 	else
 		c = (uint8) GSU.vColorReg;
 
-	if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
-		return;
-
 	a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
 	v = 128 >> (x & 7);
 
@@ -955,14 +970,14 @@ static void fx_plot_4bit (void)
 		return;
 #endif
 
+	if (!(GSU.vPlotOptionReg & 0x01) && !(COLR & 0xf))
+		return;
+
 	if (GSU.vPlotOptionReg & 0x02)
-		c = (x ^ y) & 1 ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
+		c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
 	else
 		c = (uint8) GSU.vColorReg;
 
-	if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
-		return;
-
 	a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
 	v = 128 >> (x & 7);
 
@@ -1034,7 +1049,7 @@ static void fx_plot_8bit (void)
 	c = (uint8) GSU.vColorReg;
 	if (!(GSU.vPlotOptionReg & 0x10))
 	{
-		if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
+		if (!(GSU.vPlotOptionReg & 0x01) && (!c || ((GSU.vPlotOptionReg & 0x08) && !(c & 0xf))))
 			return;
 	}
 	else
@@ -4137,7 +4152,6 @@ static void fx_sm_r15 (void)
 uint32 fx_run (uint32 nInstructions)
 {
 	GSU.vCounter = nInstructions;
-	READR14;
 	while (TF(G) && (GSU.vCounter-- > 0))
 		FX_STEP;
 #if 0

source/snes9x/fxinst.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/getset.h

@@ -885,8 +885,7 @@ inline void S9xSetPCBase (uint32 Address)
 	Registers.PBPC = Address & 0xffffff;
 	ICPU.ShiftedPB = Address & 0xff0000;
 
-	int		block;
+	uint8	*GetAddress = Memory.Map[(int)((Address & 0xffffff) >> MEMMAP_SHIFT)];
-	uint8	*GetAddress = Memory.Map[block = ((Address & 0xffffff) >> MEMMAP_SHIFT)];
 
 	CPU.MemSpeed = memory_speed(Address);
 	CPU.MemSpeedx2 = CPU.MemSpeed << 1;

source/snes9x/gfx.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -215,7 +230,7 @@ static uint16 get_crosshair_color (uint8);
 bool8 S9xGraphicsInit (void)
 {
 	S9xInitTileRenderer();
-	ZeroMemory(BlackColourMap, 256 * sizeof(uint16));
+	memset(BlackColourMap, 0, 256 * sizeof(uint16));
 
 #ifdef GFX_MULTI_FORMAT
 	if (GFX.BuildPixel == NULL)
@@ -226,9 +241,9 @@ bool8 S9xGraphicsInit (void)
 	GFX.InterlaceFrame = 0;
 	GFX.RealPPL = GFX.Pitch >> 1;
 	IPPU.OBJChanged = TRUE;
-	IPPU.DirectColourMapsNeedRebuild = TRUE;
 	Settings.BG_Forced = 0;
 	S9xFixColourBrightness();
+	S9xBuildDirectColourMaps();
 
 	GFX.X2   = (uint16 *) malloc(sizeof(uint16) * 0x10000);
 	GFX.ZERO = (uint16 *) malloc(sizeof(uint16) * 0x10000);
@@ -245,7 +260,7 @@ bool8 S9xGraphicsInit (void)
 	}
 
     // Lookup table for color addition
-	ZeroMemory(GFX.X2, 0x10000 * sizeof(uint16));
+	memset(GFX.X2, 0, 0x10000 * sizeof(uint16));
 	for (uint32 r = 0; r <= MAX_RED; r++)
 	{
 		uint32	r2 = r << 1;
@@ -271,7 +286,7 @@ bool8 S9xGraphicsInit (void)
 	}
 
 	// Lookup table for 1/2 color subtraction
-	ZeroMemory(GFX.ZERO, 0x10000 * sizeof(uint16));
+	memset(GFX.ZERO, 0, 0x10000 * sizeof(uint16));
 	for (uint32 r = 0; r <= MAX_RED; r++)
 	{
 		uint32	r2 = r;
@@ -314,6 +329,48 @@ void S9xGraphicsDeinit (void)
 	if (GFX.SubZBuffer) { free(GFX.SubZBuffer); GFX.SubZBuffer = NULL; }
 }
 
+void S9xGraphicsScreenResize (void)
+{
+	IPPU.MaxBrightness = PPU.Brightness;
+
+	IPPU.Interlace    = Memory.FillRAM[0x2133] & 1;
+	IPPU.InterlaceOBJ = Memory.FillRAM[0x2133] & 2;
+	IPPU.PseudoHires = Memory.FillRAM[0x2133] & 8;
+		
+	if (Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
+	{
+		GFX.RealPPL = GFX.Pitch >> 1;
+		IPPU.DoubleWidthPixels = TRUE;
+		IPPU.RenderedScreenWidth = SNES_WIDTH << 1;
+	}
+	else
+	{
+		#ifdef USE_OPENGL
+		if (Settings.OpenGLEnable)
+			GFX.RealPPL = SNES_WIDTH;
+		else
+		#endif
+			GFX.RealPPL = GFX.Pitch >> 1;
+
+		IPPU.DoubleWidthPixels = FALSE;
+		IPPU.RenderedScreenWidth = SNES_WIDTH;
+	}
+
+	if (Settings.SupportHiRes && IPPU.Interlace)
+	{
+		GFX.PPL = GFX.RealPPL << 1;
+		IPPU.DoubleHeightPixels = TRUE;
+		IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
+		GFX.DoInterlace++;
+	}
+	else
+	{
+		GFX.PPL = GFX.RealPPL;
+		IPPU.DoubleHeightPixels = FALSE;
+		IPPU.RenderedScreenHeight = PPU.ScreenHeight;
+	}	
+}
+
 void S9xBuildDirectColourMaps (void)
 {
 	IPPU.XB = mul_brightness[PPU.Brightness];
@@ -321,15 +378,14 @@ void S9xBuildDirectColourMaps (void)
 	for (uint32 p = 0; p < 8; p++)
 		for (uint32 c = 0; c < 256; c++)
 			DirectColourMaps[p][c] = BUILD_PIXEL(IPPU.XB[((c & 7) << 2) | ((p & 1) << 1)], IPPU.XB[((c & 0x38) >> 1) | (p & 2)], IPPU.XB[((c & 0xc0) >> 3) | (p & 4)]);
-
-	IPPU.DirectColourMapsNeedRebuild = FALSE;
 }
 
 void S9xStartScreenRefresh (void)
 {
+	GFX.InterlaceFrame = !GFX.InterlaceFrame;
+
 	if (IPPU.RenderThisFrame)
 	{
-		GFX.InterlaceFrame = !GFX.InterlaceFrame;
 		if (!GFX.DoInterlace || !GFX.InterlaceFrame)
 		{
 			if (!S9xInitUpdate())
@@ -341,43 +397,7 @@ void S9xStartScreenRefresh (void)
 			if (GFX.DoInterlace)
 				GFX.DoInterlace--;
 
-			IPPU.MaxBrightness = PPU.Brightness;
+			S9xGraphicsScreenResize();
-
-			IPPU.Interlace    = Memory.FillRAM[0x2133] & 1;
-			IPPU.InterlaceOBJ = Memory.FillRAM[0x2133] & 2;
-			IPPU.PseudoHires  = Memory.FillRAM[0x2133] & 8;
-
-			if (Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
-			{
-				GFX.RealPPL = GFX.Pitch >> 1;
-				IPPU.DoubleWidthPixels = TRUE;
-				IPPU.RenderedScreenWidth = SNES_WIDTH << 1;
-			}
-			else
-			{
-			#ifdef USE_OPENGL
-				if (Settings.OpenGLEnable)
-					GFX.RealPPL = SNES_WIDTH;
-				else
-			#endif
-					GFX.RealPPL = GFX.Pitch >> 1;
-				IPPU.DoubleWidthPixels = FALSE;
-				IPPU.RenderedScreenWidth = SNES_WIDTH;
-			}
-
-			if (Settings.SupportHiRes && IPPU.Interlace)
-			{
-				GFX.PPL = GFX.RealPPL << 1;
-				IPPU.DoubleHeightPixels = TRUE;
-				IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
-				GFX.DoInterlace++;
-			}
-			else
-			{
-				GFX.PPL = GFX.RealPPL;
-				IPPU.DoubleHeightPixels = FALSE;
-				IPPU.RenderedScreenHeight = PPU.ScreenHeight;
-			}
 
 			IPPU.RenderedFramesCount++;
 		}
@@ -386,8 +406,8 @@ void S9xStartScreenRefresh (void)
 		PPU.RecomputeClipWindows = TRUE;
 		IPPU.PreviousLine = IPPU.CurrentLine = 0;
 
-		ZeroMemory(GFX.ZBuffer, GFX.ScreenSize);
+		memset(GFX.ZBuffer, 0, GFX.ScreenSize);
-		ZeroMemory(GFX.SubZBuffer, GFX.ScreenSize);
+		memset(GFX.SubZBuffer, 0, GFX.ScreenSize);
 	}
 
 	if (++IPPU.FrameCount % Memory.ROMFramesPerSecond == 0)
@@ -671,7 +691,7 @@ void S9xUpdateScreen (void)
 		{
 			if (!IPPU.DoubleWidthPixels && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
 			{
-			#ifdef USE_OPENGL
+				#ifdef USE_OPENGL
 				if (Settings.OpenGLEnable && GFX.RealPPL == 256)
 				{
 					// Have to back out of the speed up hack where the low res.
@@ -691,42 +711,30 @@ void S9xUpdateScreen (void)
 					GFX.PPL = GFX.RealPPL; // = GFX.Pitch >> 1 above
 				}
 				else
-			#endif
+				#endif
+				// Have to back out of the regular speed hack
+				for (register uint32 y = 0; y < GFX.StartY; y++)
 				{
-					// Have to back out of the regular speed hack
+					register uint16	*p = GFX.Screen + y * GFX.PPL + 255;
-					for (register uint32 y = 0; y < GFX.StartY; y++)
+					register uint16	*q = GFX.Screen + y * GFX.PPL + 510;
-					{
-						register uint16	*p = GFX.Screen + y * GFX.PPL + 255;
-						register uint16	*q = GFX.Screen + y * GFX.PPL + 510;
 
-						for (register int x = 255; x >= 0; x--, p--, q -= 2)
+					for (register int x = 255; x >= 0; x--, p--, q -= 2)
-							*q = *(q + 1) = *p;
+						*q = *(q + 1) = *p;
-					}
 				}
 
 				IPPU.DoubleWidthPixels = TRUE;
 				IPPU.RenderedScreenWidth = 512;
 			}
 
-			if (!IPPU.DoubleHeightPixels && IPPU.Interlace)
+			if (!IPPU.DoubleHeightPixels && IPPU.Interlace && (PPU.BGMode == 5 || PPU.BGMode == 6))
 			{
 				IPPU.DoubleHeightPixels = TRUE;
 				IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
 				GFX.PPL = GFX.RealPPL << 1;
 				GFX.DoInterlace = 2;
 
-				for (register int32 y = (int32) GFX.StartY - 1; y >= 0; y--)
+				for (register int32 y = (int32) GFX.StartY - 2; y >= 0; y--)
-					memmove(GFX.Screen + y * GFX.PPL, GFX.Screen + y * GFX.RealPPL, IPPU.RenderedScreenWidth * sizeof(uint16));
+					memmove(GFX.Screen + (y + 1) * GFX.PPL, GFX.Screen + y * GFX.RealPPL, GFX.PPL * sizeof(uint16));
-			}
-			else if (IPPU.DoubleHeightPixels && !IPPU.Interlace)
-			{
-				for (register int32 y = 0; y < (int32) GFX.StartY; y++)
-					memmove(GFX.Screen + y * GFX.RealPPL, GFX.Screen + y * GFX.PPL, IPPU.RenderedScreenWidth * sizeof(uint16));
-
-				IPPU.DoubleHeightPixels = FALSE;
-				IPPU.RenderedScreenHeight = PPU.ScreenHeight;
-				GFX.PPL = GFX.RealPPL;
-				GFX.DoInterlace = 0;
 			}
 		}
 
@@ -819,12 +827,12 @@ static void SetupOBJ (void)
 	if (!PPU.OAMPriorityRotation || !(PPU.OAMFlip & PPU.OAMAddr & 1)) // normal case
 	{
 		uint8	LineOBJ[SNES_HEIGHT_EXTENDED];
-		ZeroMemory(LineOBJ, sizeof(LineOBJ));
+		memset(LineOBJ, 0, sizeof(LineOBJ));
 
 		for (int i = 0; i < SNES_HEIGHT_EXTENDED; i++)
 		{
 			GFX.OBJLines[i].RTOFlags = 0;
-			GFX.OBJLines[i].Tiles = 34;
+			GFX.OBJLines[i].Tiles = Settings.MaxSpriteTilesPerLine;
 			for (int j = 0; j < 32; j++)
 				GFX.OBJLines[i].OBJ[j].Sprite = -1;
 		}
@@ -895,8 +903,14 @@ static void SetupOBJ (void)
 	else // evil FirstSprite+Y case
 	{
 		// First, find out which sprites are on which lines
-		uint8	OBJOnLine[SNES_HEIGHT_EXTENDED][128];
+		uint8 OBJOnLine[SNES_HEIGHT_EXTENDED][128];
-		ZeroMemory(OBJOnLine, sizeof(OBJOnLine));
+		// memset(OBJOnLine, 0, sizeof(OBJOnLine));
+		/* Hold on here, that's a lot of bytes to initialise at once!
+		 * So we only initialise them per line, as needed. [Neb]
+		 * Bonus: We can quickly avoid looping if a line has no OBJs.
+		 */
+        bool8 AnyOBJOnLine[SNES_HEIGHT_EXTENDED];
+        memset(AnyOBJOnLine, FALSE, sizeof(AnyOBJOnLine)); // better
 
 		for (S = 0; S < 128; S++)
 		{
@@ -930,6 +944,11 @@ static void SetupOBJ (void)
 					if (Y >= SNES_HEIGHT_EXTENDED)
 						continue;
 
+					if (!AnyOBJOnLine[Y]) {
+						memset(OBJOnLine[Y], 0, sizeof(OBJOnLine[Y]));
+						AnyOBJOnLine[Y] = TRUE;
+					}
+
 					if (PPU.OBJ[S].VFlip)
 						// Yes, Width not Height. It so happens that the
 						// sprites with H=2*W flip as two WxW sprites.
@@ -945,31 +964,34 @@ static void SetupOBJ (void)
 		for (int Y = 0; Y < SNES_HEIGHT_EXTENDED; Y++)
 		{
 			GFX.OBJLines[Y].RTOFlags = Y ? GFX.OBJLines[Y - 1].RTOFlags : 0;
-			GFX.OBJLines[Y].Tiles = 34;
+			GFX.OBJLines[Y].Tiles = Settings.MaxSpriteTilesPerLine;
 
 			uint8	FirstSprite = (PPU.FirstSprite + Y) & 0x7f;
 			S = FirstSprite;
 			j = 0;
 
-			do
+			if (AnyOBJOnLine[Y])
 			{
-				if (OBJOnLine[Y][S])
+				do
 				{
-					if (j >= 32)
+					if (OBJOnLine[Y][S])
 					{
-						GFX.OBJLines[Y].RTOFlags |= 0x40;
+						if (j >= 32)
-						break;
+						{
+							GFX.OBJLines[Y].RTOFlags |= 0x40;
+							break;
+						}
+
+						GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
+						if (GFX.OBJLines[Y].Tiles < 0)
+							GFX.OBJLines[Y].RTOFlags |= 0x80;
+						GFX.OBJLines[Y].OBJ[j].Sprite = S;
+						GFX.OBJLines[Y].OBJ[j++].Line = OBJOnLine[Y][S] & ~0x80;
 					}
 
-					GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
+					S = (S + 1) & 0x7f;
-					if (GFX.OBJLines[Y].Tiles < 0)
+				} while (S != FirstSprite);
-						GFX.OBJLines[Y].RTOFlags |= 0x80;
+			}
-					GFX.OBJLines[Y].OBJ[j].Sprite = S;
-					GFX.OBJLines[Y].OBJ[j++].Line = OBJOnLine[Y][S] & ~0x80;
-				}
-
-				S = (S + 1) & 0x7f;
-			} while (S != FirstSprite);
 
 			if (j < 32)
 				GFX.OBJLines[Y].OBJ[j].Sprite = -1;
@@ -979,6 +1001,8 @@ static void SetupOBJ (void)
 	IPPU.OBJChanged = FALSE;
 }
 
+#pragma GCC push_options
+#pragma GCC optimize ("no-tree-vrp")
 static void DrawOBJS (int D)
 {
 	void (*DrawTile) (uint32, uint32, uint32, uint32) = NULL;
@@ -1071,6 +1095,8 @@ static void DrawOBJS (int D)
 		}
 	}
 }
+#pragma GCC pop_options
+
 
 static void DrawBackground (int bg, uint8 Zh, uint8 Zl)
 {
@@ -1329,8 +1355,8 @@ static void DrawBackgroundMosaic (int bg, uint8 Zh, uint8 Zl)
 		for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
 		{
 			uint32	Y2 = HiresInterlace ? Y * 2 : Y;
-			uint32	VOffset = LineData[Y].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
+			uint32	VOffset = LineData[Y + MosaicStart].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
-			uint32	HOffset = LineData[Y].BG[bg].HOffset;
+			uint32	HOffset = LineData[Y + MosaicStart].BG[bg].HOffset;
 
 			Lines = PPU.Mosaic - MosaicStart;
 			if (Y + MosaicStart + Lines > GFX.EndY)
@@ -1493,7 +1519,6 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 	int	PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
 	bool8	HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
 
-	void (*DrawTile) (uint32, uint32, uint32, uint32);
 	void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32);
 
 	for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
@@ -1502,12 +1527,10 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 
 		if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
 		{
-			DrawTile = GFX.DrawTileMath;
 			DrawClippedTile = GFX.DrawClippedTileMath;
 		}
 		else
 		{
-			DrawTile = GFX.DrawTileNomath;
 			DrawClippedTile = GFX.DrawClippedTileNomath;
 		}
 
@@ -1539,8 +1562,8 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 			uint32	Left  = GFX.Clip[bg].Left[clip];
 			uint32	Right = GFX.Clip[bg].Right[clip];
 			uint32	Offset = Left * PixWidth + Y * GFX.PPL;
-			uint32	LineHOffset = LineData[Y].BG[bg].HOffset;
+			uint32	HScroll = LineData[Y].BG[bg].HOffset;
-			bool8	left_edge = (Left < (8 - (LineHOffset & 7)));
+			bool8	left_edge = (Left < (8 - (HScroll & 7)));
 			uint32	Width = Right - Left;
 
 			while (Left < Right)
@@ -1551,12 +1574,12 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 				{
 					// SNES cannot do OPT for leftmost tile column
 					VOffset = LineData[Y].BG[bg].VOffset;
-					HOffset = LineHOffset;
+					HOffset = HScroll;
 					left_edge = FALSE;
 				}
 				else
 				{
-					int	HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
+					int HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
 
 					if (BG.OffsetSizeH == 8)
 					{
@@ -1595,9 +1618,9 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 						VOffset = LineData[Y].BG[bg].VOffset;
 
 					if (HCellOffset & OffsetEnableMask)
-						HOffset = (HCellOffset & ~7) | (LineHOffset & 7);
+						HOffset = (HCellOffset & ~7) | (HScroll & 7);
 					else
-						HOffset = LineHOffset;
+						HOffset = HScroll;
 				}
 
 				if (HiresInterlace)
@@ -1719,7 +1742,6 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 	int	Lines;
 	int	OffsetMask   = (BG.TileSizeH   == 16) ? 0x3ff : 0x1ff;
 	int	OffsetShift  = (BG.TileSizeV   == 16) ? 4 : 3;
-	int	Offset2Mask  = (BG.OffsetSizeH == 16) ? 0x3ff : 0x1ff;
 	int	Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
 	int	OffsetEnableMask = 0x2000 << bg;
 	int	PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
@@ -1741,8 +1763,8 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 		for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
 		{
 			uint32	Y2 = HiresInterlace ? Y * 2 : Y;
-			uint32	VOff = LineData[Y].BG[2].VOffset - 1;
+			uint32	VOff = LineData[Y + MosaicStart].BG[2].VOffset - 1;
-			uint32	HOff = LineData[Y].BG[2].HOffset;
+			uint32	HOff = LineData[Y + MosaicStart].BG[2].HOffset;
 
 			Lines = PPU.Mosaic - MosaicStart;
 			if (Y + MosaicStart + Lines > GFX.EndY)
@@ -1771,24 +1793,22 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 			uint32	Left =  GFX.Clip[bg].Left[clip];
 			uint32	Right = GFX.Clip[bg].Right[clip];
 			uint32	Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
-			uint32	LineHOffset = LineData[Y].BG[bg].HOffset;
+			uint32	HScroll = LineData[Y + MosaicStart].BG[bg].HOffset;
-			bool8	left_edge = (Left < (8 - (LineHOffset & 7)));
 			uint32	Width = Right - Left;
 
 			while (Left < Right)
 			{
 				uint32	VOffset, HOffset;
 
-				if (left_edge)
+				if (Left < (8 - (HScroll & 7)))
 				{
 					// SNES cannot do OPT for leftmost tile column
-					VOffset = LineData[Y].BG[bg].VOffset;
+					VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
-					HOffset = LineHOffset;
+					HOffset = HScroll;
-					left_edge = FALSE;
 				}
 				else
 				{
-					int	HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
+					int HOffTile = (((Left + (HScroll & 7)) - 8) + (HOff & ~7)) >> 3;
 
 					if (BG.OffsetSizeH == 8)
 					{
@@ -1824,12 +1844,12 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
 					if (VCellOffset & OffsetEnableMask)
 						VOffset = VCellOffset + 1;
 					else
-						VOffset = LineData[Y].BG[bg].VOffset;
+						VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
 
 					if (HCellOffset & OffsetEnableMask)
-						HOffset = (HCellOffset & ~7) | (LineHOffset & 7);
+						HOffset = (HCellOffset & ~7) | (HScroll & 7);
 					else
-						HOffset = LineHOffset;
+						HOffset = HScroll;
 				}
 
 				if (HiresInterlace)
@@ -2052,7 +2072,7 @@ static void DisplayPressedKeys (void)
 	static int	KeyOrder[] = { 8, 10, 7, 9, 0, 6, 14, 13, 5, 1, 4, 3, 2, 11, 12 }; // < ^ > v   A B Y X  L R  S s
 
 	enum controllers	controller;
-	int					line = 1;
+    int					line = Settings.DisplayMovieFrame && S9xMovieActive() ? 2 : 1;
 	int8				ids[4];
 	char				string[255];
 
@@ -2267,43 +2287,37 @@ void S9xDrawCrosshair (const char *crosshair, uint8 fgcolor, uint8 bgcolor, int1
 	fg = get_crosshair_color(fgcolor);
 	bg = get_crosshair_color(bgcolor);
 
-	// XXX: FIXME: why does it crash without this on Linux port? There are no out-of-bound writes without it...
+	uint16	*s = GFX.Screen + y * (int32)GFX.RealPPL + x;
-#if (defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP))
+
-	if (x >= 0 && y >= 0)
+	for (r = 0; r < 15 * rx; r++, s += GFX.RealPPL - 15 * cx)
-#endif
 	{
-		uint16	*s = GFX.Screen + y * GFX.RealPPL + x;
+		if (y + r < 0)
-
-		for (r = 0; r < 15 * rx; r++, s += GFX.RealPPL - 15 * cx)
 		{
-			if (y + r < 0)
+			s += 15 * cx;
-			{
+			continue;
-				s += 15 * cx;
+		}
+
+		if (y + r >= H)
+			break;
+
+		for (c = 0; c < 15 * cx; c++, s++)
+		{
+			if (x + c < 0 || s < GFX.Screen)
 				continue;
-			}
 
-			if (y + r >= H)
+			if (x + c >= W)
-				break;
-
-			for (c = 0; c < 15 * cx; c++, s++)
 			{
-				if (x + c < 0 || s < GFX.Screen)
+				s += 15 * cx - c;
-					continue;
+				break;
-
-				if (x + c >= W)
-				{
-					s += 15 * cx - c;
-					break;
-				}
-
-				uint8	p = crosshair[(r / rx) * 15 + (c / cx)];
-
-				if (p == '#' && fgcolor)
-					*s = (fgcolor & 0x10) ? COLOR_ADD1_2(fg, *s) : fg;
-				else
-				if (p == '.' && bgcolor)
-					*s = (bgcolor & 0x10) ? COLOR_ADD1_2(*s, bg) : bg;
 			}
+
+			uint8	p = crosshair[(r / rx) * 15 + (c / cx)];
+
+			if (p == '#' && fgcolor)
+				*s = (fgcolor & 0x10) ? COLOR_ADD1_2(fg, *s) : fg;
+			else
+			if (p == '.' && bgcolor)
+				*s = (bgcolor & 0x10) ? COLOR_ADD1_2(*s, bg) : bg;
 		}
 	}
 }

source/snes9x/gfx.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -344,6 +359,7 @@ void S9xBuildDirectColourMaps (void);
 void RenderLine (uint8);
 void S9xComputeClipWindows (void);
 void S9xDisplayChar (uint16 *, uint8);
+void S9xGraphicsScreenResize (void);
 // called automatically unless Settings.AutoDisplayMessages is false
 void S9xDisplayMessages (uint16 *, int, int, int, int);
 #ifdef GFX_MULTI_FORMAT

source/snes9x/globals.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/language.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -195,7 +210,7 @@
 #define SAVE_INFO_LOAD					"Loaded"
 #define SAVE_INFO_OOPS					"Auto-saving 'oops' snapshot"
 #define SAVE_ERR_WRONG_FORMAT			"File not in Snes9x snapshot format"
-#define SAVE_ERR_WRONG_VERSION			"Incompatable snapshot version"
+#define SAVE_ERR_WRONG_VERSION			"Incompatible snapshot version"
 #define SAVE_ERR_ROM_NOT_FOUND			"ROM image \"%s\" for snapshot not found"
 #define SAVE_ERR_SAVE_NOT_FOUND			"Snapshot %s does not exist"
 

source/snes9x/logger.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/logger.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/memmap.cpp

@@ -1401,6 +1401,20 @@ int CMemory::ScoreLoROM (bool8 skip_header, int32 romoff)
 	return (score);
 }
 
+int CMemory::First512BytesCountZeroes() const
+{
+	const uint8 *buf = ROM;
+	int zeroCount = 0;
+	for (int i = 0; i < 512; i++)
+	{
+		if (buf[i] == 0)
+		{
+			zeroCount++;
+		}
+	}
+	return zeroCount;
+}
+
 uint32 CMemory::HeaderRemove (uint32 size, uint8 *buf)
 {
 	uint32	calc_size = (size / 0x2000) * 0x2000;
@@ -1616,13 +1630,21 @@ bool8 CMemory::LoadROMInt (int32 ROMfillSize)
 	ExtendedFormat = NOPE;
 
 	int	hi_score, lo_score;
+	int score_headered;
+	int score_nonheadered;
 
 	hi_score = ScoreHiROM(FALSE);
 	lo_score = ScoreLoROM(FALSE);
+	score_nonheadered = max(hi_score, lo_score);
+	score_headered = max(ScoreHiROM(TRUE), ScoreLoROM(TRUE));
 
-	if (HeaderCount == 0 && !Settings.ForceNoHeader &&
+	bool size_is_likely_headered = ((ROMfillSize - 512) & 0xFFFF) == 0;
-		((hi_score >  lo_score && ScoreHiROM(TRUE) > hi_score) ||
+	if (size_is_likely_headered) { score_headered += 2; } else { score_headered -= 2; }
-		 (hi_score <= lo_score && ScoreLoROM(TRUE) > lo_score)))
+	if (First512BytesCountZeroes() >= 0x1E0) { score_headered += 2; } else { score_headered -= 2; }
+
+	bool headered_score_highest = score_headered > score_nonheadered;
+
+	if (HeaderCount == 0 && !Settings.ForceNoHeader && headered_score_highest)
 	{
 		memmove(ROM, ROM + 512, ROMfillSize - 512);
 		ROMfillSize -= 512;
@@ -3850,7 +3872,7 @@ void CMemory::ApplyROMFixes (void)
 
 	Timings.HDMAStart   = SNES_HDMA_START_HC + Settings.HDMATimingHack - 100;
 	Timings.HBlankStart = SNES_HBLANK_START_HC + Timings.HDMAStart - SNES_HDMA_START_HC;
-	Timings.IRQTriggerCycles = 10;
+	Timings.IRQTriggerCycles = 14;
 
 	if (!Settings.DisableGameSpecificHacks)
 	{

source/snes9x/memmap.h

@@ -294,6 +294,7 @@ struct CMemory
 
 	int		ScoreHiROM (bool8, int32 romoff = 0);
 	int		ScoreLoROM (bool8, int32 romoff = 0);
+	int		First512BytesCountZeroes() const;
 	uint32	HeaderRemove (uint32, uint8 *);
 	uint32	FileLoader (uint8 *, const char *, uint32);
     uint32  MemLoader (uint8 *, const char*, uint32);

source/snes9x/messages.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/missing.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/movie.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -437,14 +452,14 @@ static void reset_controllers (void)
 		MovieSetJoypad(i, 0);
 
 	uint8 clearedMouse[MOUSE_DATA_SIZE];
-	ZeroMemory(clearedMouse, MOUSE_DATA_SIZE);
+	memset(clearedMouse, 0, MOUSE_DATA_SIZE);
 	clearedMouse[4] = 1;
 
 	uint8 clearedScope[SCOPE_DATA_SIZE];
-	ZeroMemory(clearedScope, SCOPE_DATA_SIZE);
+	memset(clearedScope, 0, SCOPE_DATA_SIZE);
 
 	uint8 clearedJustifier[JUSTIFIER_DATA_SIZE];
-	ZeroMemory(clearedJustifier, JUSTIFIER_DATA_SIZE);
+	memset(clearedJustifier, 0, JUSTIFIER_DATA_SIZE);
 
 	for (int p = 0; p < 2; p++)
 	{
@@ -639,7 +654,7 @@ static void write_movie_header (FILE *fd, SMovie *movie)
 {
 	uint8	buf[SMV_HEADER_SIZE], *ptr = buf;
 
-	ZeroMemory(buf, sizeof(buf));
+	memset(buf, 0, sizeof(buf));
 
 	Write32(SMV_MAGIC, ptr);
 	Write32(SMV_VERSION, ptr);
@@ -771,7 +786,8 @@ int S9xMovieUnfreeze (uint8 *buf, uint32 size)
 	}
 	else
 	{
-		if (current_frame > Movie.MaxFrame || current_sample > Movie.MaxSample || memcmp(Movie.InputBuffer, ptr, space_needed))
+      uint32   space_processed = (Movie.BytesPerSample * (current_sample + 1));
+      if (current_frame > Movie.MaxFrame || current_sample > Movie.MaxSample || memcmp(Movie.InputBuffer, ptr, space_processed))
 			return (SNAPSHOT_INCONSISTENT);
 
 		change_state(MOVIE_STATE_PLAY);
@@ -812,14 +828,16 @@ int S9xMovieOpen (const char *filename, bool8 read_only)
 
 	read_movie_extrarominfo(fd, &Movie);
 
-	fn = dup(fileno(fd));
+	fflush(fd);
-	fclose(fd);
+	fn = fileno(fd);
 
 	store_previous_settings();
 	restore_movie_settings();
 
 	lseek(fn, Movie.SaveStateOffset, SEEK_SET);
-	stream = REOPEN_STREAM(fn, "rb");
+
+    // reopen stream to access as gzipped data
+    stream = REOPEN_STREAM(fn, "rb");
 	if (!stream)
 		return (FILE_NOT_FOUND);
 
@@ -832,7 +850,11 @@ int S9xMovieOpen (const char *filename, bool8 read_only)
 	else
 		result = S9xUnfreezeFromStream(stream);
 
-	CLOSE_STREAM(stream);
+    // do not close stream but close FILE *
+    // (msvcrt will try to close all open FILE *handles on exit - if we do CLOSE_STREAM here
+    //  the underlying file will be closed by zlib, causing problems when msvcrt tries to do it)
+    delete stream;
+    fclose(fd);
 
 	if (result != SUCCESS)
 		return (result);
@@ -846,7 +868,10 @@ int S9xMovieOpen (const char *filename, bool8 read_only)
 	}
 
 	if (fseek(fd, Movie.ControllerDataOffset, SEEK_SET))
+	{
+		fclose(fd);
 		return (WRONG_FORMAT);
+	}
 
 	Movie.File           = fd;
 	Movie.BytesPerSample = bytes_per_sample();
@@ -879,7 +904,6 @@ int S9xMovieCreate (const char *filename, uint8 controllers_mask, uint8 opts, co
 {
 	FILE	*fd;
 	STREAM	stream;
-	int		fn;
 
 	if (controllers_mask == 0)
 		return (WRONG_FORMAT);
@@ -928,10 +952,9 @@ int S9xMovieCreate (const char *filename, uint8 controllers_mask, uint8 opts, co
 
 	write_movie_extrarominfo(fd, &Movie);
 
-	fn = dup(fileno(fd));
 	fclose(fd);
 
-	stream = REOPEN_STREAM(fn, "ab");
+	stream = OPEN_STREAM(filename, "ab");
 	if (!stream)
 		return (FILE_NOT_FOUND);
 
@@ -989,14 +1012,17 @@ int S9xMovieGetInfo (const char *filename, struct MovieInfo *info)
 
 	flush_movie();
 
-	ZeroMemory(info, sizeof(*info));
+	memset(info, 0, sizeof(*info));
 
 	if (!(fd = fopen(filename, "rb")))
 		return (FILE_NOT_FOUND);
 
 	result = read_movie_header(fd, &local_movie);
 	if (result != SUCCESS)
+	{
+		fclose(fd);
 		return (result);
+	}
 
 	info->TimeCreated     = (time_t) local_movie.MovieId;
 	info->Version         = local_movie.Version;
@@ -1035,9 +1061,10 @@ int S9xMovieGetInfo (const char *filename, struct MovieInfo *info)
 	strncpy(info->ROMName, local_movie.ROMName, 23);
 
 	fclose(fd);
-
+	if ((fd = fopen(filename, "r+")) == NULL)
-	if (access(filename, W_OK))
 		info->ReadOnly = true;
+	else
+		fclose(fd);
 
 	return (SUCCESS);
 }
@@ -1117,7 +1144,7 @@ void S9xMovieUpdateOnReset (void)
 
 void S9xMovieInit (void)
 {
-	ZeroMemory(&Movie, sizeof(Movie));
+	memset(&Movie, 0, sizeof(Movie));
 	Movie.State = MOVIE_STATE_NONE;
 }
 

source/snes9x/movie.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -184,10 +199,8 @@
 #define MOVIE_OPT_NOSAVEDATA		(1 << 2)
 #define MOVIE_SYNC_DATA_EXISTS		0x01
 #define MOVIE_SYNC_OBSOLETE			0x02
-#define MOVIE_SYNC_LEFTRIGHT		0x04
 #define MOVIE_SYNC_VOLUMEENVX		0x08
 #define MOVIE_SYNC_FAKEMUTE			0x10
-#define MOVIE_SYNC_SYNCSOUND		0x20
 #define MOVIE_SYNC_HASROMINFO		0x40
 #define MOVIE_SYNC_NOCPUSHUTDOWN	0x80
 #define MOVIE_MAX_METADATA			512

source/snes9x/msu1.cpp

@@ -22,10 +22,12 @@
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2016  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
-  (c) Copyright 2011 - 2016  Hans-Kristian Arntzen,
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
                              Daniel De Matteis
                              (Under no circumstances will commercial rights be given)
 
@@ -138,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2016  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -146,14 +148,14 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2016  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
   (c) Copyright 2001 - 2011  zones
 
   Libretro port
-  (c) Copyright 2011 - 2016  Hans-Kristian Arntzen,
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
                              Daniel De Matteis
                              (Under no circumstances will commercial rights be given)
 
@@ -190,12 +192,14 @@
   Nintendo Co., Limited and its subsidiary companies.
  ***********************************************************************************/
 
-#include "msu1.h"
+#include "snes9x.h"
-#include "display.h"
-#include "filebrowser.h"
 #include "memmap.h"
-#include "snes9xgx.h"
+#include "display.h"
+#include "msu1.h"
 #include "apu/blargg_endian.h"
+#include "snes9xgx.h"
+#include <fstream>
+#include <sys/stat.h>
 
 STREAM dataStream = NULL;
 STREAM audioStream = NULL;
@@ -241,9 +245,12 @@ static int unzFindExtension(unzFile &file, const char *ext, bool restart = TRUE,
 
 STREAM S9xMSU1OpenFile(const char *msu_ext, bool skip_unpacked)
 {
-    char filename[MAXPATHLEN];
+#ifdef GEKKO
+	char filename[MAXPATHLEN];
 	sprintf(filename, "%s%s%s", Memory.ROMFilePath, Memory.ROMFilename, msu_ext);
-    
+#else
+    const char *filename = S9xGetFilename(msu_ext, ROMFILENAME_DIR);
+#endif
 	STREAM file = 0;
 
 	if (!skip_unpacked)
@@ -257,10 +264,15 @@ STREAM S9xMSU1OpenFile(const char *msu_ext, bool skip_unpacked)
     // look for msu1 pack file in the rom or patch dir if msu data file not found in rom dir
     if (!file)
     {
-        char zip_filename[MAXPATHLEN];
+        const char *zip_filename = S9xGetFilename(".msu1", ROMFILENAME_DIR);
-        sprintf(zip_filename, "%s%s.msu1", Memory.ROMFilePath, Memory.ROMFilename);
 		unzFile	unzFile = unzOpen(zip_filename);
 
+		if (!unzFile)
+		{
+			zip_filename = S9xGetFilename(".msu1", PATCH_DIR);
+			unzFile = unzOpen(zip_filename);
+		}
+
         if (unzFile)
         {
             int	port = unzFindExtension(unzFile, msu_ext, true, true, true);
@@ -313,7 +325,7 @@ static bool AudioOpen()
 		audioLoopPos <<= 2;
 		audioLoopPos += 8;
 
-		MSU1.MSU1_AUDIO_POS = 8;
+        MSU1.MSU1_AUDIO_POS = 8;
 
 		MSU1.MSU1_STATUS &= ~AudioError;
 		return true;
@@ -381,7 +393,6 @@ void S9xMSU1DeInit(void)
 	AudioClose();
 }
 
-
 bool S9xMSU1ROMExists(void)
 {
     STREAM s = S9xMSU1OpenFile(".msu");
@@ -391,9 +402,15 @@ bool S9xMSU1ROMExists(void)
 		return true;
 	}
 #ifdef UNZIP_SUPPORT
-    char fname[MAXPATHLEN];
+	char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
-	sprintf(fname, "%s%s.msu1", Memory.ROMFilePath, Memory.ROMFilename);
+	_splitpath(Memory.ROMFilename, drive, dir, def, ext);
-	unzFile unzFile = unzOpen(fname);
+	if (!strcasecmp(ext, ".msu1"))
+		return true;
+
+	unzFile unzFile = unzOpen(S9xGetFilename(".msu1", ROMFILENAME_DIR));
+
+	if(!unzFile)
+		unzFile = unzOpen(S9xGetFilename(".msu1", PATCH_DIR));
 
 	if (unzFile)
 	{
@@ -416,14 +433,15 @@ void S9xMSU1Generate(size_t sample_count)
 			int16* left = (int16*)&sample;
 			int16* right = left + 1;
 
-            int bytes_read = READ_STREAM((char *)&sample, 4, audioStream);
+			int bytes_read = READ_STREAM((char *)&sample, 4, audioStream);
 			if (bytes_read == 4)
 			{
 				*left = ((int32)(int16)GET_LE16(left) * MSU1.MSU1_VOLUME / 255);
 				*right = ((int32)(int16)GET_LE16(right) * MSU1.MSU1_VOLUME / 255);
 
+
 				*(bufPos++) = *left;
-                *(bufPos++) = *right;
+				*(bufPos++) = *right;
 				MSU1.MSU1_AUDIO_POS += 4;
 				partial_frames -= 3204;
 			}
@@ -433,12 +451,12 @@ void S9xMSU1Generate(size_t sample_count)
 				if (MSU1.MSU1_STATUS & AudioRepeating)
 				{
 					MSU1.MSU1_AUDIO_POS = audioLoopPos;
-                    REVERT_STREAM(audioStream, MSU1.MSU1_AUDIO_POS, 0);
+					REVERT_STREAM(audioStream, MSU1.MSU1_AUDIO_POS, 0);
 				}
 				else
 				{
 					MSU1.MSU1_STATUS &= ~(AudioPlaying | AudioRepeating);
-                    REVERT_STREAM(audioStream, 8, 0);
+					REVERT_STREAM(audioStream, 8, 0);
 				}
 			}
 			else

source/snes9x/msu1.h

@@ -22,10 +22,12 @@
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2016  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
-  (c) Copyright 2011 - 2016  Hans-Kristian Arntzen,
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
                              Daniel De Matteis
                              (Under no circumstances will commercial rights be given)
 
@@ -138,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2016  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -146,14 +148,14 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2016  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
   (c) Copyright 2001 - 2011  zones
 
   Libretro port
-  (c) Copyright 2011 - 2016  Hans-Kristian Arntzen,
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
                              Daniel De Matteis
                              (Under no circumstances will commercial rights be given)
 
@@ -193,8 +195,6 @@
 #ifndef _MSU1_H_
 #define _MSU1_H_
 #include "snes9x.h"
-#include <stdint.h>
-#include <sys/stat.h>
 
 #define MSU1_REVISION 0x02
 
@@ -215,8 +215,8 @@ struct SMSU1
 enum SMSU1_FLAG {
 	Revision		= 0x07,	// bitmask, not the actual version number
 	AudioError		= 0x08,
-	AudioPlaying	= 0x10,
+	AudioPlaying		= 0x10,
-	AudioRepeating	= 0x20,
+	AudioRepeating		= 0x20,
 	AudioBusy		= 0x40,
 	DataBusy		= 0x80
 };

source/snes9x/obc1.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/obc1.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/pixform.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/port.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -192,7 +207,7 @@
 #include <sys/types.h>
 
 #ifdef __WIN32__
-#define NOMINMAX
+#define NOMINMAX 1
 #include <windows.h>
 #endif
 
@@ -201,7 +216,14 @@
 #define RIGHTSHIFT_int8_IS_SAR
 #define RIGHTSHIFT_int16_IS_SAR
 #define RIGHTSHIFT_int32_IS_SAR
+#ifndef GEKKO
 #define SNES_JOY_READ_CALLBACKS
+#define GFX_MULTI_FORMAT
+#endif
+#endif
+
+#ifdef __LIBRETRO__
+#define GFX_MULTI_FORMAT
 #endif
 
 #ifdef __MACOSX__
@@ -230,30 +252,22 @@ typedef uint64_t			uint64;
 #else	// HAVE_STDINT_H
 #ifdef __WIN32__
 typedef intptr_t			pint;
-#else	// __WIN32__
-#ifdef PTR_NOT_INT
-typedef long				pint;
-#else
-typedef int					pint;
-#endif
-#endif	// __WIN32__
-#ifdef __WIN32__
-#ifdef __BORLANDC__
-#include <systypes.h>
-#else
 typedef signed char			int8;
 typedef unsigned char		uint8;
 typedef signed short		int16;
 typedef unsigned short		uint16;
-#ifndef WSAAP
+typedef signed int     		int32;
-// winsock2.h typedefs int32 as well
-typedef signed int			int32;
-#endif
 typedef unsigned int		uint32;
-#endif
-typedef unsigned char		uint8_t;
 typedef signed __int64		int64;
 typedef unsigned __int64	uint64;
+typedef int8                int8_t;
+typedef uint8       		uint8_t;
+typedef int16       		int16_t;
+typedef uint16      		uint16_t;
+typedef int32		    	int32_t;
+typedef uint32      		uint32_t;
+typedef int64               int64_t;
+typedef uint64              uint64_t;
 typedef int					socklen_t;
 #else	// __WIN32__
 typedef signed char			int8;
@@ -268,6 +282,11 @@ __extension__
 #endif
 typedef long long			int64;
 typedef unsigned long long	uint64;
+#ifdef PTR_NOT_INT
+typedef size_t				pint;
+#else   // __PTR_NOT_INT
+typedef size_t					pint;
+#endif  // __PTR_NOT_INT
 #endif	//  __WIN32__
 #endif	// HAVE_STDINT_H
 #endif	// snes9x_types_defined
@@ -298,21 +317,24 @@ typedef unsigned long long	uint64;
 #endif
 
 #ifndef __WIN32__
-#define ZeroMemory(a, b)	memset((a), 0, (b))
 void _splitpath (const char *, char *, char *, char *, char *);
 void _makepath (char *, const char *, const char *, const char *, const char *);
 #define S9xDisplayString	DisplayStringFromBottom
-#else
+#else   // __WIN32__
 #define snprintf _snprintf
 #define strcasecmp	stricmp
 #define strncasecmp	strnicmp
+#ifndef __LIBRETRO__
 void WinDisplayStringFromBottom(const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap);
 #define S9xDisplayString	WinDisplayStringFromBottom
 void SetInfoDlgColor(unsigned char, unsigned char, unsigned char);
 #define SET_UI_COLOR(r,g,b) SetInfoDlgColor(r,g,b)
-#endif
+#else   // __LIBRETRO__
+#define S9xDisplayString	DisplayStringFromBottom
+#endif  // __LIBRETRO__
+#endif  // __WIN32__
 
-#ifdef __DJGPP
+#if defined(__DJGPP) || defined(__WIN32__)
 #define SLASH_STR	"\\"
 #define SLASH_CHAR	'\\'
 #else
@@ -333,7 +355,7 @@ void SetInfoDlgColor(unsigned char, unsigned char, unsigned char);
 #define TITLE "Snes9x"
 #endif
 
-#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64__) || defined(__alpha__) || defined(__MIPSEL__) || defined(_M_IX86) || defined(_M_X64)
+#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64__) || defined(__alpha__) || defined(__MIPSEL__) || defined(_M_IX86) || defined(_M_X64) || defined(_XBOX1) || defined(__arm__) || defined(ANDROID) || defined(__aarch64__) || (defined(__BYTE_ORDER__) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN__)
 #define LSB_FIRST
 #define FAST_LSB_WORD_ACCESS
 #else

source/snes9x/ppu.cpp

@@ -341,9 +341,9 @@ void S9xUpdateIRQPositions (bool initial)
 	else if (!PPU.HTimerEnabled && PPU.VTimerEnabled)
 	{
 		if (CPU.V_Counter == PPU.VTimerPosition && initial)
-			Timings.NextIRQTimer = CPU.Cycles + Timings.IRQTriggerCycles;
+			Timings.NextIRQTimer = CPU.Cycles + Timings.IRQTriggerCycles - ONE_DOT_CYCLE;
 		else
-			Timings.NextIRQTimer = CyclesUntilNext (Timings.IRQTriggerCycles, PPU.VTimerPosition);
+			Timings.NextIRQTimer = CyclesUntilNext (Timings.IRQTriggerCycles - ONE_DOT_CYCLE, PPU.VTimerPosition);
 	}
 	else
 	{
@@ -716,15 +716,7 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
 				PPU.VMA.Address &= 0xff00;
 				PPU.VMA.Address |= Byte;
 
-				if (PPU.VMA.FullGraphicCount)
+				S9xUpdateVRAMReadBuffer();
-				{
-					uint32 addr = PPU.VMA.Address;
-					uint32 rem = addr & PPU.VMA.Mask1;
-					uint32 address = (addr & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-					IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((address << 1) & 0xffff));
-				}
-				else
-					IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((PPU.VMA.Address << 1) & 0xffff));
 
 				break;
 
@@ -732,15 +724,7 @@ void S9xSetPPU (uint8 Byte, uint16 Address)
 				PPU.VMA.Address &= 0x00ff;
 				PPU.VMA.Address |= Byte << 8;
 
-				if (PPU.VMA.FullGraphicCount)
+				S9xUpdateVRAMReadBuffer();
-				{
-					uint32 addr = PPU.VMA.Address;
-					uint32 rem = addr & PPU.VMA.Mask1;
-					uint32 address = (addr & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-					IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((address << 1) & 0xffff));
-				}
-				else
-					IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((PPU.VMA.Address << 1) & 0xffff));
 
 				break;
 
@@ -1308,18 +1292,10 @@ uint8 S9xGetPPU (uint16 Address)
 				return (PPU.OpenBus1 = byte);
 
 			case 0x2139: // VMDATALREAD
-				byte = IPPU.VRAMReadBuffer & 0xff;
+				byte = PPU.VRAMReadBuffer & 0xff;
 				if (!PPU.VMA.High)
 				{
-					if (PPU.VMA.FullGraphicCount)
+					S9xUpdateVRAMReadBuffer();
-					{
-						uint32 addr = PPU.VMA.Address;
-						uint32 rem = addr & PPU.VMA.Mask1;
-						uint32 address = (addr & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-						IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((address << 1) & 0xffff));
-					}
-					else
-						IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((PPU.VMA.Address << 1) & 0xffff));
 
 					PPU.VMA.Address += PPU.VMA.Increment;
 				}
@@ -1330,18 +1306,10 @@ uint8 S9xGetPPU (uint16 Address)
 				return (PPU.OpenBus1 = byte);
 
 			case 0x213a: // VMDATAHREAD
-				byte = (IPPU.VRAMReadBuffer >> 8) & 0xff;
+				byte = (PPU.VRAMReadBuffer >> 8) & 0xff;
 				if (PPU.VMA.High)
 				{
-					if (PPU.VMA.FullGraphicCount)
+					S9xUpdateVRAMReadBuffer();
-					{
-						uint32 addr = PPU.VMA.Address;
-						uint32 rem = addr & PPU.VMA.Mask1;
-						uint32 address = (addr & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
-						IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((address << 1) & 0xffff));
-					}
-					else
-						IPPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((PPU.VMA.Address << 1) & 0xffff));
 
 					PPU.VMA.Address += PPU.VMA.Increment;
 				}
@@ -1598,7 +1566,8 @@ void S9xSetCPU (uint8 Byte, uint16 Address)
 					CPU.IRQTransition = FALSE;
 				}
 
-				S9xUpdateIRQPositions(true);
+				if ((Byte & 0x30) != (Memory.FillRAM[0x4200] & 0x30))
+					S9xUpdateIRQPositions(true);
 
 				// NMI can trigger immediately during VBlank as long as NMI_read ($4210) wasn't cleard.
 				if ((Byte & 0x80) && !(Memory.FillRAM[0x4200] & 0x80) &&
@@ -1752,6 +1721,8 @@ void S9xSetCPU (uint8 Byte, uint16 Address)
 					}
 					else
 						CPU.FastROMSpeed = SLOW_ONE_CYCLE;
+					// we might currently be in FastROMSpeed region, S9xSetPCBase will update CPU.MemSpeed
+					S9xSetPCBase(Registers.PBPC);
 				}
 
 				break;
@@ -2095,7 +2066,7 @@ void S9xSoftResetPPU (void)
 	memset(IPPU.TileCached[TILE_2BIT_ODD], 0,  MAX_2BIT_TILES);
 	memset(IPPU.TileCached[TILE_4BIT_EVEN], 0, MAX_4BIT_TILES);
 	memset(IPPU.TileCached[TILE_4BIT_ODD], 0,  MAX_4BIT_TILES);
-	IPPU.VRAMReadBuffer = 0; // XXX: FIXME: anything better?
+	PPU.VRAMReadBuffer = 0; // XXX: FIXME: anything better?
 	GFX.InterlaceFrame = 0;
 	IPPU.Interlace = FALSE;
 	IPPU.InterlaceOBJ = FALSE;

source/snes9x/ppu.h

@@ -225,10 +225,8 @@ struct InternalPPU
 	struct ClipData Clip[2][6];
 	bool8	ColorsChanged;
 	bool8	OBJChanged;
-	bool8	DirectColourMapsNeedRebuild;
 	uint8	*TileCache[7];
 	uint8	*TileCached[7];
-	uint16	VRAMReadBuffer;
 	bool8	Interlace;
 	bool8	InterlaceOBJ;
 	bool8	PseudoHires;
@@ -295,6 +293,7 @@ struct SPPU
 	bool8	CGFLIP;
 	uint8	CGFLIPRead;
 	uint8	CGADD;
+	uint8	CGSavedByte;
 	uint16	CGDATA[256];
 
 	struct SOBJ OBJ[128];
@@ -378,6 +377,8 @@ struct SPPU
 
 	uint8	OpenBus1;
 	uint8	OpenBus2;
+
+	uint16	VRAMReadBuffer;
 };
 
 extern uint16				SignExtend[2];
@@ -419,6 +420,19 @@ static inline void FLUSH_REDRAW (void)
 		S9xUpdateScreen();
 }
 
+static inline void S9xUpdateVRAMReadBuffer()
+{
+	if (PPU.VMA.FullGraphicCount)
+	{
+		uint32 addr = PPU.VMA.Address;
+		uint32 rem = addr & PPU.VMA.Mask1;
+		uint32 address = (addr & ~PPU.VMA.Mask1) + (rem >> PPU.VMA.Shift) + ((rem & (PPU.VMA.FullGraphicCount - 1)) << 3);
+		PPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((address << 1) & 0xffff));
+	}
+	else
+		PPU.VRAMReadBuffer = READ_WORD(Memory.VRAM + ((PPU.VMA.Address << 1) & 0xffff));
+}
+
 static inline void REGISTER_2104 (uint8 Byte)
 {
 	if (!(PPU.OAMFlip & 1))
@@ -720,12 +734,12 @@ static inline void REGISTER_2122 (uint8 Byte)
 {
 	if (PPU.CGFLIP)
 	{
-		if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8))
+		if ((Byte & 0x7f) != (PPU.CGDATA[PPU.CGADD] >> 8) || PPU.CGSavedByte != (uint8) (PPU.CGDATA[PPU.CGADD] & 0xff))
 		{
 			FLUSH_REDRAW();
-			PPU.CGDATA[PPU.CGADD] &= 0x00ff;
+			PPU.CGDATA[PPU.CGADD] = (Byte & 0x7f) << 8 | PPU.CGSavedByte;
-			PPU.CGDATA[PPU.CGADD] |= (Byte & 0x7f) << 8;
 			IPPU.ColorsChanged = TRUE;
+			IPPU.Red[PPU.CGADD] = IPPU.XB[PPU.CGSavedByte & 0x1f];
 			IPPU.Blue[PPU.CGADD] = IPPU.XB[(Byte >> 2) & 0x1f];
 			IPPU.Green[PPU.CGADD] = IPPU.XB[(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
 			IPPU.ScreenColors[PPU.CGADD] = (uint16) BUILD_PIXEL(IPPU.Red[PPU.CGADD], IPPU.Green[PPU.CGADD], IPPU.Blue[PPU.CGADD]);
@@ -735,16 +749,7 @@ static inline void REGISTER_2122 (uint8 Byte)
 	}
 	else
 	{
-		if (Byte != (uint8) (PPU.CGDATA[PPU.CGADD] & 0xff))
+		PPU.CGSavedByte = Byte;
-		{
-			FLUSH_REDRAW();
-			PPU.CGDATA[PPU.CGADD] &= 0x7f00;
-			PPU.CGDATA[PPU.CGADD] |= Byte;
-			IPPU.ColorsChanged = TRUE;
-			IPPU.Red[PPU.CGADD] = IPPU.XB[Byte & 0x1f];
-			IPPU.Green[PPU.CGADD] = IPPU.XB[(PPU.CGDATA[PPU.CGADD] >> 5) & 0x1f];
-			IPPU.ScreenColors[PPU.CGADD] = (uint16) BUILD_PIXEL(IPPU.Red[PPU.CGADD], IPPU.Green[PPU.CGADD], IPPU.Blue[PPU.CGADD]);
-		}
 	}
 
 	PPU.CGFLIP ^= 1;

source/snes9x/sa1.cpp

@@ -229,7 +229,7 @@ void S9xSA1Init (void)
 	SA1.op2 = 0;
 	SA1.sum = 0;
 	SA1.overflow = FALSE;
-	SA1.VirtualBitmapFormat = 0;
+	SA1.VirtualBitmapFormat = 4;
 	SA1.variable_bit_pos = 0;
 
 	SA1Registers.PBPC = 0;
@@ -303,6 +303,10 @@ void S9xSA1PostLoadState (void)
 	SA1.VirtualBitmapFormat = (Memory.FillRAM[0x223f] & 0x80) ? 2 : 4;
 	Memory.BWRAM = Memory.SRAM + (Memory.FillRAM[0x2224] & 7) * 0x2000;
 	S9xSA1SetBWRAMMemMap(Memory.FillRAM[0x2225]);
+	S9xSetSA1(Memory.FillRAM[0x2220], 0x2220);
+	S9xSetSA1(Memory.FillRAM[0x2221], 0x2221);
+	S9xSetSA1(Memory.FillRAM[0x2222], 0x2222);
+	S9xSetSA1(Memory.FillRAM[0x2223], 0x2223);
 }
 
 static void S9xSetSA1MemMap (uint32 which1, uint8 map)

source/snes9x/sar.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/screenshot.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/screenshot.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/sdd1.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/sdd1.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/sdd1emu.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/sdd1emu.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/seta.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/seta.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/seta010.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -216,72 +231,72 @@ static const int16	ST010_SinTable[256] =
 	-0x18f8, -0x15e2, -0x12c8, -0x0fab, -0x0c8b, -0x096a, -0x0647, -0x0324
 };
 
-static const uint8	ST010_ArcTan[32][32] =
+static const uint8 ST010_ArcTan[32][32] =
 {
-	{ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	  0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 },
+	  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-	{ 0x80, 0xa0, 0xad, 0xb3, 0xb6, 0xb8, 0xb9, 0xba, 0xbb, 0xbb, 0xbc, 0xbc, 0xbd, 0xbd, 0xbd, 0xbd,
+	{ 0x40, 0x20, 0x13, 0x0D, 0x0A, 0x08, 0x07, 0x06, 0x05, 0x05, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03,
-	  0xbd, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbf, 0xbf, 0xbf, 0xbf },
+	  0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01 },
-	{ 0x80, 0x93, 0xa0, 0xa8, 0xad, 0xb0, 0xb3, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xb9, 0xba, 0xba, 0xbb,
+	{ 0x40, 0x2D, 0x20, 0x18, 0x13, 0x10, 0x0D, 0x0B, 0x0A, 0x09, 0x08, 0x07, 0x07, 0x06, 0x06, 0x05,
-	  0xbb, 0xbb, 0xbb, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd },
+	  0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03 },
-	{ 0x80, 0x8d, 0x98, 0xa0, 0xa6, 0xaa, 0xad, 0xb0, 0xb1, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb7, 0xb8,
+	{ 0x40, 0x33, 0x28, 0x20, 0x1A, 0x16, 0x13, 0x10, 0x0F, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x09, 0x08,
-	  0xb8, 0xb9, 0xb9, 0xba, 0xba, 0xba, 0xba, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbc, 0xbc, 0xbc, 0xbc },
+	  0x08, 0x07, 0x07, 0x06, 0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04 },
-	{ 0x80, 0x8a, 0x93, 0x9a, 0xa0, 0xa5, 0xa8, 0xab, 0xad, 0xaf, 0xb0, 0xb2, 0xb3, 0xb4, 0xb5, 0xb5,
+	{ 0x40, 0x36, 0x2D, 0x26, 0x20, 0x1B, 0x18, 0x15, 0x13, 0x11, 0x10, 0x0E, 0x0D, 0x0C, 0x0B, 0x0B,
-	  0xb6, 0xb7, 0xb7, 0xb8, 0xb8, 0xb8, 0xb9, 0xb9, 0xb9, 0xba, 0xba, 0xba, 0xba, 0xba, 0xbb, 0xbb },
+	  0x0A, 0x09, 0x09, 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x06, 0x06, 0x06, 0x06, 0x06, 0x05, 0x05 },
-	{ 0x80, 0x88, 0x90, 0x96, 0x9b, 0xa0, 0xa4, 0xa7, 0xa9, 0xab, 0xad, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3,
+	{ 0x40, 0x38, 0x30, 0x2A, 0x25, 0x20, 0x1C, 0x19, 0x17, 0x15, 0x13, 0x11, 0x10, 0x0F, 0x0E, 0x0D,
-	  0xb4, 0xb4, 0xb5, 0xb6, 0xb6, 0xb6, 0xb7, 0xb7, 0xb8, 0xb8, 0xb8, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9 },
+	  0x0C, 0x0C, 0x0B, 0x0A, 0x0A, 0x0A, 0x09, 0x09, 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x07 },
-	{ 0x80, 0x87, 0x8d, 0x93, 0x98, 0x9c, 0xa0, 0xa3, 0xa6, 0xa8, 0xaa, 0xac, 0xad, 0xae, 0xb0, 0xb0,
+	{ 0x40, 0x39, 0x33, 0x2D, 0x28, 0x24, 0x20, 0x1D, 0x1A, 0x18, 0x16, 0x14, 0x13, 0x12, 0x10, 0x10,
-	  0xb1, 0xb2, 0xb3, 0xb4, 0xb4, 0xb5, 0xb5, 0xb6, 0xb6, 0xb6, 0xb7, 0xb7, 0xb7, 0xb8, 0xb8, 0xb8 },
+	  0x0F, 0x0E, 0x0D, 0x0C, 0x0C, 0x0B, 0x0B, 0x0A, 0x0A, 0x0A, 0x09, 0x09, 0x09, 0x08, 0x08, 0x08 },
-	{ 0x80, 0x86, 0x8b, 0x90, 0x95, 0x99, 0x9d, 0xa0, 0xa3, 0xa5, 0xa7, 0xa9, 0xaa, 0xac, 0xad, 0xae,
+	{ 0x40, 0x3A, 0x35, 0x30, 0x2B, 0x27, 0x23, 0x20, 0x1D, 0x1B, 0x19, 0x17, 0x16, 0x14, 0x13, 0x12,
-	  0xaf, 0xb0, 0xb1, 0xb2, 0xb2, 0xb3, 0xb3, 0xb4, 0xb4, 0xb5, 0xb5, 0xb6, 0xb6, 0xb6, 0xb7, 0xb7 },
+	  0x11, 0x10, 0x0F, 0x0E, 0x0E, 0x0D, 0x0D, 0x0C, 0x0C, 0x0B, 0x0B, 0x0A, 0x0A, 0x0A, 0x09, 0x09 },
-	{ 0x80, 0x85, 0x8a, 0x8f, 0x93, 0x97, 0x9a, 0x9d, 0xa0, 0xa2, 0xa5, 0xa6, 0xa8, 0xaa, 0xab, 0xac,
+	{ 0x40, 0x3B, 0x36, 0x31, 0x2D, 0x29, 0x26, 0x23, 0x20, 0x1E, 0x1B, 0x1A, 0x18, 0x16, 0x15, 0x14,
-	  0xad, 0xae, 0xaf, 0xb0, 0xb0, 0xb1, 0xb2, 0xb2, 0xb3, 0xb3, 0xb4, 0xb4, 0xb5, 0xb5, 0xb5, 0xb5 },
+	  0x13, 0x12, 0x11, 0x10, 0x10, 0x0F, 0x0E, 0x0E, 0x0D, 0x0D, 0x0C, 0x0C, 0x0B, 0x0B, 0x0B, 0x0A },
-	{ 0x80, 0x85, 0x89, 0x8d, 0x91, 0x95, 0x98, 0x9b, 0x9e, 0xa0, 0xa0, 0xa4, 0xa6, 0xa7, 0xa9, 0xaa,
+	{ 0x40, 0x3B, 0x37, 0x33, 0x2F, 0x2B, 0x28, 0x25, 0x22, 0x20, 0x1E, 0x1C, 0x1A, 0x19, 0x17, 0x16,
-	  0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb0, 0xb1, 0xb1, 0xb2, 0xb2, 0xb3, 0xb3, 0xb4, 0xb4, 0xb4 },
+	  0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x10, 0x0F, 0x0F, 0x0E, 0x0E, 0x0D, 0x0D, 0x0C, 0x0C, 0x0C },
-	{ 0x80, 0x84, 0x88, 0x8c, 0x90, 0x93, 0x96, 0x99, 0x9b, 0x9e, 0xa0, 0xa2, 0xa4, 0xa5, 0xa7, 0xa8,
+	{ 0x40, 0x3C, 0x38, 0x34, 0x30, 0x2D, 0x2A, 0x27, 0x25, 0x20, 0x20, 0x1E, 0x1C, 0x1B, 0x19, 0x18,
-	  0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xaf, 0xb0, 0xb0, 0xb1, 0xb2, 0xb2, 0xb2, 0xb3, 0xb3 },
+	  0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x0F, 0x0E, 0x0E, 0x0E, 0x0D, 0x0D },
-	{ 0x80, 0x84, 0x87, 0x8b, 0x8e, 0x91, 0x94, 0x97, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa3, 0xa5, 0xa6,
+	{ 0x40, 0x3C, 0x39, 0x35, 0x32, 0x2F, 0x2C, 0x29, 0x26, 0x24, 0x22, 0x20, 0x1E, 0x1D, 0x1B, 0x1A,
-	  0xa7, 0xa9, 0xaa, 0xab, 0xac, 0xac, 0xad, 0xae, 0xae, 0xaf, 0xb0, 0xb0, 0xb1, 0xb1, 0xb2, 0xb2 },
+	  0x19, 0x17, 0x16, 0x15, 0x14, 0x14, 0x13, 0x12, 0x12, 0x11, 0x10, 0x10, 0x0F, 0x0F, 0x0E, 0x0E },
-	{ 0x80, 0x83, 0x87, 0x8a, 0x8d, 0x90, 0x93, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa3, 0xa5,
+	{ 0x40, 0x3D, 0x39, 0x36, 0x33, 0x30, 0x2D, 0x2A, 0x28, 0x26, 0x24, 0x22, 0x20, 0x1E, 0x1D, 0x1B,
-	  0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xac, 0xad, 0xae, 0xae, 0xaf, 0xb0, 0xb0, 0xb0, 0xb1 },
+	  0x1A, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x14, 0x13, 0x12, 0x12, 0x11, 0x10, 0x10, 0x10, 0x0F },
-	{ 0x80, 0x83, 0x86, 0x89, 0x8c, 0x8f, 0x92, 0x94, 0x96, 0x99, 0x9b, 0x9d, 0x9e, 0xa0, 0xa2, 0xa3,
+	{ 0x40, 0x3D, 0x3A, 0x37, 0x34, 0x31, 0x2E, 0x2C, 0x2A, 0x27, 0x25, 0x23, 0x22, 0x20, 0x1E, 0x1D,
-	  0xa4, 0xa5, 0xa7, 0xa8, 0xa9, 0xa9, 0xaa, 0xab, 0xac, 0xac, 0xad, 0xae, 0xae, 0xaf, 0xaf, 0xb0 },
+	  0x1C, 0x1B, 0x19, 0x18, 0x17, 0x17, 0x16, 0x15, 0x14, 0x14, 0x13, 0x12, 0x12, 0x11, 0x11, 0x10 },
-	{ 0x80, 0x83, 0x86, 0x89, 0x8b, 0x8e, 0x90, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9d, 0x9e, 0xa0, 0xa1,
+	{ 0x40, 0x3D, 0x3A, 0x37, 0x35, 0x32, 0x30, 0x2D, 0x2B, 0x29, 0x27, 0x25, 0x23, 0x22, 0x20, 0x1F,
-	  0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xaa, 0xab, 0xac, 0xad, 0xad, 0xae, 0xae, 0xaf },
+	  0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x17, 0x16, 0x16, 0x15, 0x14, 0x13, 0x13, 0x12, 0x12, 0x11 },
-	{ 0x80, 0x83, 0x85, 0x88, 0x8b, 0x8d, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9b, 0x9d, 0x9f, 0xa0,
+	{ 0x40, 0x3D, 0x3B, 0x38, 0x35, 0x33, 0x30, 0x2E, 0x2C, 0x2A, 0x28, 0x26, 0x25, 0x23, 0x21, 0x20,
-	  0xa1, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa8, 0xa9, 0xaa, 0xab, 0xab, 0xac, 0xad, 0xad, 0xae },
+	  0x1F, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x18, 0x17, 0x16, 0x15, 0x15, 0x14, 0x13, 0x13, 0x12 },
-	{ 0x80, 0x83, 0x85, 0x88, 0x8a, 0x8c, 0x8f, 0x91, 0x93, 0x95, 0x97, 0x99, 0x9a, 0x9c, 0x9d, 0x9f,
+	{ 0x40, 0x3D, 0x3B, 0x38, 0x36, 0x34, 0x31, 0x2F, 0x2D, 0x2B, 0x29, 0x27, 0x26, 0x24, 0x23, 0x21,
-	  0xa0, 0xa1, 0xa2, 0xa3, 0xa5, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xaa, 0xab, 0xab, 0xac, 0xad },
+	  0x20, 0x1F, 0x1E, 0x1D, 0x1B, 0x1B, 0x1A, 0x19, 0x18, 0x17, 0x16, 0x16, 0x15, 0x15, 0x14, 0x13 },
-	{ 0x80, 0x82, 0x85, 0x87, 0x89, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x97, 0x99, 0x9b, 0x9c, 0x9d,
+	{ 0x40, 0x3E, 0x3B, 0x39, 0x37, 0x34, 0x32, 0x30, 0x2E, 0x2C, 0x2A, 0x29, 0x27, 0x25, 0x24, 0x23,
-	  0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa8, 0xa9, 0xaa, 0xaa, 0xab, 0xac },
+	  0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x18, 0x17, 0x16, 0x16, 0x15, 0x14 },
-	{ 0x80, 0x82, 0x85, 0x87, 0x89, 0x8b, 0x8d, 0x8f, 0x91, 0x93, 0x95, 0x96, 0x98, 0x99, 0x9b, 0x9c,
+	{ 0x40, 0x3E, 0x3B, 0x39, 0x37, 0x35, 0x33, 0x31, 0x2F, 0x2D, 0x2B, 0x2A, 0x28, 0x27, 0x25, 0x24,
-	  0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa7, 0xa8, 0xa9, 0xa9, 0xaa, 0xab },
+	  0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x19, 0x18, 0x17, 0x17, 0x16, 0x15 },
-	{ 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x95, 0x97, 0x98, 0x9a, 0x9b,
+	{ 0x40, 0x3E, 0x3C, 0x3A, 0x38, 0x36, 0x34, 0x32, 0x30, 0x2E, 0x2C, 0x2B, 0x29, 0x28, 0x26, 0x25,
-	  0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa6, 0xa7, 0xa8, 0xa8, 0xa9, 0xaa },
+	  0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x1A, 0x19, 0x18, 0x18, 0x17, 0x16 },
-	{ 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x91, 0x93, 0x94, 0x96, 0x97, 0x99, 0x9a,
+	{ 0x40, 0x3E, 0x3C, 0x3A, 0x38, 0x36, 0x34, 0x32, 0x30, 0x2F, 0x2D, 0x2C, 0x2A, 0x29, 0x27, 0x26,
-	  0x9b, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa5, 0xa6, 0xa7, 0xa7, 0xa8, 0xa9 },
+	  0x25, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1B, 0x1A, 0x19, 0x19, 0x18, 0x17 },
-	{ 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8b, 0x8d, 0x8f, 0x90, 0x92, 0x94, 0x95, 0x97, 0x98, 0x99,
+	{ 0x40, 0x3E, 0x3C, 0x3A, 0x38, 0x36, 0x35, 0x33, 0x31, 0x30, 0x2E, 0x2C, 0x2B, 0x29, 0x28, 0x27,
-	  0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa4, 0xa5, 0xa6, 0xa6, 0xa7, 0xa8 },
+	  0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1C, 0x1B, 0x1A, 0x1A, 0x19, 0x18 },
-	{ 0x80, 0x82, 0x84, 0x86, 0x87, 0x89, 0x8b, 0x8d, 0x8e, 0x90, 0x91, 0x93, 0x94, 0x96, 0x97, 0x98,
+	{ 0x40, 0x3E, 0x3C, 0x3A, 0x39, 0x37, 0x35, 0x33, 0x32, 0x30, 0x2F, 0x2D, 0x2C, 0x2A, 0x29, 0x28,
-	  0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa3, 0xa4, 0xa5, 0xa6, 0xa6, 0xa7 },
+	  0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1D, 0x1C, 0x1B, 0x1A, 0x1A, 0x19 },
-	{ 0x80, 0x82, 0x84, 0x85, 0x87, 0x89, 0x8a, 0x8c, 0x8e, 0x8f, 0x91, 0x92, 0x94, 0x95, 0x96, 0x98,
+	{ 0x40, 0x3E, 0x3C, 0x3B, 0x39, 0x37, 0x36, 0x34, 0x32, 0x31, 0x2F, 0x2E, 0x2C, 0x2B, 0x2A, 0x28,
-	  0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa2, 0xa3, 0xa4, 0xa5, 0xa5, 0xa6 },
+	  0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1E, 0x1D, 0x1C, 0x1B, 0x1B, 0x1A },
-	{ 0x80, 0x82, 0x83, 0x85, 0x87, 0x88, 0x8a, 0x8c, 0x8d, 0x8f, 0x90, 0x92, 0x93, 0x94, 0x96, 0x97,
+	{ 0x40, 0x3E, 0x3D, 0x3B, 0x39, 0x38, 0x36, 0x34, 0x33, 0x31, 0x30, 0x2E, 0x2D, 0x2C, 0x2A, 0x29,
-	  0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa2, 0xa3, 0xa4, 0xa5, 0xa5 },
+	  0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1E, 0x1D, 0x1C, 0x1B, 0x1B },
-	{ 0x80, 0x82, 0x83, 0x85, 0x86, 0x88, 0x8a, 0x8b, 0x8d, 0x8e, 0x90, 0x91, 0x92, 0x94, 0x95, 0x96,
+	{ 0x40, 0x3E, 0x3D, 0x3B, 0x3A, 0x38, 0x36, 0x35, 0x33, 0x32, 0x30, 0x2F, 0x2E, 0x2C, 0x2B, 0x2A,
-	  0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa2, 0xa3, 0xa4, 0xa4 },
+	  0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1E, 0x1D, 0x1C, 0x1C },
-	{ 0x80, 0x82, 0x83, 0x85, 0x86, 0x88, 0x89, 0x8b, 0x8c, 0x8e, 0x8f, 0x90, 0x92, 0x93, 0x94, 0x95,
+	{ 0x40, 0x3E, 0x3D, 0x3B, 0x3A, 0x38, 0x37, 0x35, 0x34, 0x32, 0x31, 0x30, 0x2E, 0x2D, 0x2C, 0x2B,
-	  0x96, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa2, 0xa3, 0xa4 },
+	  0x2A, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1E, 0x1D, 0x1C },
-	{ 0x80, 0x82, 0x83, 0x85, 0x86, 0x87, 0x89, 0x8a, 0x8c, 0x8d, 0x8e, 0x90, 0x91, 0x92, 0x93, 0x95,
+	{ 0x40, 0x3E, 0x3D, 0x3B, 0x3A, 0x39, 0x37, 0x36, 0x34, 0x33, 0x32, 0x30, 0x2F, 0x2E, 0x2D, 0x2B,
-	  0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9e, 0x9f, 0xa0, 0xa1, 0xa1, 0xa2, 0xa3 },
+	  0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x22, 0x21, 0x20, 0x1F, 0x1F, 0x1E, 0x1D },
-	{ 0x80, 0x81, 0x83, 0x84, 0x86, 0x87, 0x89, 0x8a, 0x8b, 0x8d, 0x8e, 0x8f, 0x90, 0x92, 0x93, 0x94,
+	{ 0x40, 0x3F, 0x3D, 0x3C, 0x3A, 0x39, 0x37, 0x36, 0x35, 0x33, 0x32, 0x31, 0x30, 0x2E, 0x2D, 0x2C,
-	  0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9e, 0x9f, 0xa0, 0xa1, 0xa1, 0xa2 },
+	  0x2B, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x22, 0x21, 0x20, 0x1F, 0x1F, 0x1E },
-	{ 0x80, 0x81, 0x83, 0x84, 0x86, 0x87, 0x88, 0x8a, 0x8b, 0x8c, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93,
+	{ 0x40, 0x3F, 0x3D, 0x3C, 0x3A, 0x39, 0x38, 0x36, 0x35, 0x34, 0x32, 0x31, 0x30, 0x2F, 0x2E, 0x2D,
-	  0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0x9f, 0xa0, 0xa1, 0xa1 },
+	  0x2B, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x21, 0x20, 0x1F, 0x1F },
-	{ 0x80, 0x81, 0x83, 0x84, 0x85, 0x87, 0x88, 0x89, 0x8b, 0x8c, 0x8d, 0x8e, 0x90, 0x91, 0x92, 0x93,
+	{ 0x40, 0x3F, 0x3D, 0x3C, 0x3B, 0x39, 0x38, 0x37, 0x35, 0x34, 0x33, 0x32, 0x30, 0x2F, 0x2E, 0x2D,
-	  0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0x9f, 0xa0, 0xa1 },
+	  0x2C, 0x2B, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x25, 0x24, 0x23, 0x22, 0x21, 0x21, 0x20, 0x1F },
-	{ 0x80, 0x81, 0x83, 0x84, 0x85, 0x87, 0x88, 0x89, 0x8a, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92,
+	{ 0x40, 0x3F, 0x3D, 0x3C, 0x3B, 0x39, 0x38, 0x37, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2F, 0x2E,
-	  0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9c, 0x9d, 0x9e, 0x9f, 0x9f, 0xa0 }
+	  0x2D, 0x2C, 0x2B, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x24, 0x23, 0x22, 0x21, 0x21, 0x20 }
 };
 
 // Mode 7 scaling constants for all raster lines
@@ -316,6 +331,7 @@ static const int16	ST010_M7Scale[176] =
 #endif
 
 #define ST010_WORD(offset)	(Memory.SRAM[offset + 1] << 8) | Memory.SRAM[offset]
+#define ST010_DWORD(offset)	(Memory.SRAM[offset + 3] << 24) | (Memory.SRAM[offset + 2] << 16) | (Memory.SRAM[offset + 1] << 8) | Memory.SRAM[offset]
 
 
 static int16 ST010_Sin (int16 Theta)
@@ -328,47 +344,43 @@ static int16 ST010_Cos (int16 Theta)
 	return (ST010_SinTable[((Theta + 0x4000) >> 8) & 0xff]);
 }
 
-static void ST010_OP01 (int16 x0, int16 y0, int16 &x1, int16 &y1, int16 &Quadrant, int16 &Theta)
+void ST010_Compass(int16 x0, int16 y0, int16 &x1, int16 &y1, int16 &Quadrant, int16 &Theta)
 {	
-	if ((x0 < 0) && (y0 < 0))
+ 	if ((x0 <= 0) && (y0 < 0))
 	{	
 		x1 = -x0;
 		y1 = -y0;
 		Quadrant = -0x8000;
 	}
-	else
+	else if (x0 < 0)
-	if (x0 < 0)
 	{
-		x1 =  y0;
+		x1 = y0;
 		y1 = -x0;
 		Quadrant = -0x4000;
 	}
-	else
+	else if (y0 < 0)
-	if (y0 < 0)
 	{
 		x1 = -y0;
-		y1 =  x0;
+		y1 = x0;
-		Quadrant =  0x4000;
+		Quadrant = 0x4000;
 	}
 	else
 	{
-		x1 =  x0;
+		x1 = x0;
-		y1 =  y0;
+		y1 = y0;
-		Quadrant =  0x0000;
+		Quadrant = 0x0000;
 	}
 
-	while ((x1 > 0x1f) || (y1 > 0x1f))
+ 	while ((x1 > 0x1f) || (y1 > 0x1f))
 	{
-		if (x1 > 1)
+		if (x1 > 1) x1 >>= 1;
-			x1 >>= 1;
+		if (y1 > 1) y1 >>= 1;
-		if (y1 > 1)
-			y1 >>= 1;
 	}
 
-	if (y1 == 0)
+	Theta = ST010_ArcTan[x1 & 0x1f][y1 & 0x1f] << 8;
-		Quadrant += 0x4000;
+	Theta = (Theta | Quadrant) ^ 0x8000;
 
-	Theta = (ST010_ArcTan[y1][x1] << 8) ^ Quadrant;
+	if ((x0 == 0) && (y0 < 0)) Quadrant = 0x4000;
 }
 
 static void ST010_Scale (int16 Multiplier, int16 X0, int16 Y0, int32 &X1, int32 &Y1)
@@ -421,17 +433,108 @@ static void ST010_SortDrivers (uint16 Positions, uint16 Places[32], uint16 Drive
 	}
 }
 
-/*
+static void ST010_Raster(int16 Theta)
-static void SETA_Distance (int16 Y0, int16 X0, int16 &Distance)
 {
-	if (X0 < 0)
+	int16 data;
-		X0 = -X0;
+	int offset = 0;
-	if (Y0 < 0)
-		Y0 = -Y0;
 
-	Distance = ((X0 * 0x7af0) + 0x4000) >> 15;
+	for (int i = 0; i < 176; i++)
+	{
+		data = ST010_M7Scale[i] * ST010_Cos(Theta) >> 15;
+
+		Memory.SRAM[0x00f0 + offset] = data; 
+		Memory.SRAM[0x00f1 + offset] = data >> 8;
+
+		Memory.SRAM[0x0510 + offset] = data; 
+		Memory.SRAM[0x0511 + offset] = data >> 8; 
+		
+		data = ST010_M7Scale[i] * ST010_Sin(Theta) >> 15;  
+		
+		Memory.SRAM[0x0250 + offset] = data;		
+		Memory.SRAM[0x0251 + offset] = data >> 8;
+		
+		if (data) data = ~data;
+				 
+		Memory.SRAM[0x03b0 + offset] = data;		
+		Memory.SRAM[0x03b1 + offset] = data >> 8;
+		
+		offset += 2;
+	}
+}
+
+static void ST010_Distance(int16 x0, int16 y0, int16 &Distance)
+{
+	int32 Product;
+	
+	x0 = (x0 < 0) ? -x0 : x0;
+	y0 = (y0 < 0) ? -y0 : y0;
+
+	if((uint16) x0 >= ((uint16) y0))
+		Product = ((x0 * 0x3d78 << 1) + (y0 * 0x1976 << 1)) << 1;
+	else
+		Product = ((y0 * 0x3d78 << 1) + (x0 * 0x1976 << 1)) << 1;
+
+	Distance = (Product + 0x8000) >> 16;
+}
+
+static void ST010_Navigation(int16 &MaxX, int16 &MaxY, int32 &x0, int32 &y0, int16 &Theta0, int16 &Theta1, int16 &x1, int16 &y1, uint16 &Radius, uint16 Increment, uint16 MaxRadius, int16 &Compass, int16 &Flags, int16 NewMaxX, int16 NewMaxY)
+{
+	int16	dummy1,dummy2,dummy3;
+	uint16 utemp16;
+	int32 temp32;
+
+
+	x1 = MaxX - (x0 >> 16);
+	y1 = MaxY - (y0 >> 16);
+
+	ST010_Compass(x1, y1, dummy1, dummy2, dummy3, Theta1);
+	Theta1 -= Theta0;
+
+	if (Theta1 & 0xff00)
+		Theta0 += (Theta1 & 0x8000) ? 0xfd80 : 0x0280;
+
+	// compiler notice: -0x8000 ==> +0x8000
+	utemp16 = ((Theta1 < 0) ? (int16) -Theta1 : Theta1) >> 4;
+
+	if (utemp16 < 0x0100)
+	{
+		temp32 = Radius + Increment;
+		Radius = (temp32 >= MaxRadius) ? MaxRadius : (uint16) temp32;
+	}
+
+	else
+	{
+		temp32 = Radius - utemp16;
+		Radius = (temp32 <= 0) ? 0 : (uint16) temp32;
+	}
+
+	x0 -= ((ST010_Sin(Theta0) >> 5) * (Radius >> 8)) << 1;
+	y0 -= ((ST010_Cos(Theta0) >> 5) * (Radius >> 8)) << 1;
+
+	x0 &= 0x1fffffff;
+	y0 &= 0x1fffffff;
+
+
+	int16 MaxRadiusX, MaxRadiusY;
+	if (Compass & 0x8000)
+	{
+		MaxRadiusX = 0x0008;
+		MaxRadiusY = 0x0080;
+	}
+	else
+	{
+		MaxRadiusX = 0x0080;
+		MaxRadiusY = 0x0008;
+	}
+
+	if ((abs(x1) < MaxRadiusX) && (abs(y1) < MaxRadiusY))
+	{
+		MaxX = NewMaxX;
+		MaxY = NewMaxY & 0x0fff;
+		Compass = (NewMaxY & 0x8000) ? 0xffff : 0x0000;
+		Flags |= 0x0008;
+	}
 }
-*/
 
 uint8 S9xGetST010 (uint32 Address)
 {
@@ -471,16 +574,32 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 	{
 		switch (ST010.op_reg)
 		{
+			// Heading
+			case 0x01:
+			{
+				Memory.SRAM[0x0006] = Memory.SRAM[0x0002];
+				Memory.SRAM[0x0007] = Memory.SRAM[0x0003];
+
+			#ifdef FAST_LSB_WORD_ACCESS
+				ST010_Compass(*(int16 *) &Memory.SRAM[0x0000], *(int16 *) &Memory.SRAM[0x0002], (int16 &) Memory.SRAM[0x0000], (int16 &) Memory.SRAM[0x0002], (int16 &) Memory.SRAM[0x0004], (int16 &) Memory.SRAM[0x0010]);
+			#else
+				int16	x1, y1, Quadrant, Theta;
+
+				ST010_Compass(ST010_WORD(0x0000), ST010_WORD(0x0002), x1, y1, Quadrant, Theta);
+
+				Memory.SRAM[0x0000] = (uint8) (x1);
+				Memory.SRAM[0x0001] = (uint8) (x1 >> 8);
+				Memory.SRAM[0x0002] = (uint8) (y1);
+				Memory.SRAM[0x0003] = (uint8) (y1 >> 8);
+				Memory.SRAM[0x0004] = (uint8) (Quadrant);
+				Memory.SRAM[0x0005] = (uint8) (Quadrant >> 8);
+				Memory.SRAM[0x0010] = (uint8) (Theta);
+				Memory.SRAM[0x0011] = (uint8) (Theta >> 8);
+			#endif
+				break;
+			}
+
 			// Sorts Driver Placements
-			//
-			// Input
-			//   0x0024-0x0025 : Positions
-			//   0x0040-0x007f : Places
-			//   0x0080-0x00ff : Drivers
-			// Output
-			//   0x0040-0x007f : Places
-			//   0x0080-0x00ff : Drivers
-			//
 			case 0x02:
 			{
 			#ifdef FAST_LSB_WORD_ACCESS
@@ -513,15 +632,6 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 			}
 
 			// Two Dimensional Coordinate Scale
-			//
-			// Input
-			//   0x0000-0x0001 : X0 (signed)
-			//   0x0002-0x0003 : Y0 (signed)
-			//   0x0004-0x0005 : Multiplier (signed)
-			// Output
-			//   0x0010-0x0013 : X1 (signed)
-			//   0x0014-0x0017 : Y1 (signed)
-			//
 			case 0x03:
 			{
 			#ifdef FAST_LSB_WORD_ACCESS
@@ -543,14 +653,74 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 				break;
 			}
 
+			// calculate the vector length of (x, y)
+			case 0x04:
+			{
+			#ifdef FAST_LSB_WORD_ACCESS
+				ST010_Distance(*(int16 *) &Memory.SRAM[0x0000], *(int16 *) &Memory.SRAM[0x0002], (int16 &) Memory.SRAM[0x0010]);
+			#else
+				int16	square;
+
+				ST010_Distance(ST010_WORD(0x0000), ST010_WORD(0x0002), square);
+
+				Memory.SRAM[0x10] = (uint8) (square);
+				Memory.SRAM[0x11] = (uint8) (square >> 8);
+			#endif
+				break;
+			}
+
+			// calculate AI orientation based on specific guidelines
+			case 0x05:
+			{
+			#ifdef FAST_LSB_WORD_ACCESS
+				ST010_Navigation((int16 &) Memory.SRAM[0x00c0], (int16 &) Memory.SRAM[0x00c2], (int32 &) Memory.SRAM[0x00c4], (int32 &) Memory.SRAM[0x00c8], (int16 &) Memory.SRAM[0x00cc], (int16 &) Memory.SRAM[0x00ce], (int16 &) Memory.SRAM[0x00d0], (int16 &) Memory.SRAM[0x00d2], (uint16 &) Memory.SRAM[0x00d4], *(uint16 *) &Memory.SRAM[0x00d6], *(uint16 *) &Memory.SRAM[0x00d8], (int16 &) Memory.SRAM[0x00da], (int16 &) Memory.SRAM[0x00dc], *(int16 *) &Memory.SRAM[0x00de], *(int16 *) &Memory.SRAM[0x00e0]);
+			#else
+				int32 x0,y0;
+				int16 MaxX,MaxY,Theta0,Theta1,x1,y1,Compass,Flags;
+				uint16 Radius;
+
+				MaxX = ST010_WORD(0x00c0);
+				MaxY = ST010_WORD(0x00c2);
+				x0 = ST010_DWORD(0x00c4);
+				y0 = ST010_DWORD(0x00c8);
+				Theta0 = ST010_WORD(0x00cc);
+				Radius = ST010_WORD(0x00d4);
+				Compass = ST010_WORD(0x00da);
+				Flags = ST010_WORD(0x00dc);
+
+				ST010_Navigation(MaxX, MaxY, x0, y0, Theta0, Theta1, x1, y1, Radius, ST010_WORD(0x00d6), ST010_WORD(0x00d8), Compass, Flags, ST010_WORD(0x00de), ST010_WORD(0x00e0));
+
+				Memory.SRAM[0x00c0] = (uint8) (MaxX);
+				Memory.SRAM[0x00c1] = (uint8) (MaxX >> 8);
+				Memory.SRAM[0x00c2] = (uint8) (MaxY);
+				Memory.SRAM[0x00c3] = (uint8) (MaxY >> 8);
+				Memory.SRAM[0x00c4] = (uint8) (x0);
+				Memory.SRAM[0x00c5] = (uint8) (x0 >> 8);
+				Memory.SRAM[0x00c6] = (uint8) (x0 >> 16);
+				Memory.SRAM[0x00c7] = (uint8) (x0 >> 24);
+				Memory.SRAM[0x00c8] = (uint8) (y0);
+				Memory.SRAM[0x00c9] = (uint8) (y0 >> 8);
+				Memory.SRAM[0x00ca] = (uint8) (y0 >> 16);
+				Memory.SRAM[0x00cb] = (uint8) (y0 >> 24);
+				Memory.SRAM[0x00cc] = (uint8) (Theta0);
+				Memory.SRAM[0x00cd] = (uint8) (Theta0 >> 8);
+				Memory.SRAM[0x00ce] = (uint8) (Theta1);
+				Memory.SRAM[0x00cf] = (uint8) (Theta1 >> 8);
+				Memory.SRAM[0x00d0] = (uint8) (x1);
+				Memory.SRAM[0x00d1] = (uint8) (x1 >> 8);
+				Memory.SRAM[0x00d2] = (uint8) (y1);
+				Memory.SRAM[0x00d3] = (uint8) (y1 >> 8);
+				Memory.SRAM[0x00d4] = (uint8) (Radius);
+				Memory.SRAM[0x00d5] = (uint8) (Radius >> 8);
+				Memory.SRAM[0x00da] = (uint8) (Compass);
+				Memory.SRAM[0x00db] = (uint8) (Compass >> 8);
+				Memory.SRAM[0x00dc] = (uint8) (Flags);
+				Memory.SRAM[0x00dd] = (uint8) (Flags >> 8);
+			#endif
+				break;
+			}
+
 			// 16-bit Multiplication
-			//
-			// Input
-			//   0x0000-0x0001 : Multiplcand (signed)
-			//   0x0002-0x0003 : Multiplier (signed)
-			// Output
-			//   0x0010-0x0013 : Product (signed)
-			//
 			case 0x06:
 			{
 			#ifdef FAST_LSB_WORD_ACCESS
@@ -569,45 +739,13 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 			}
 
 			// Mode 7 Raster Data Calculation
-			//
-			// Input
-			//   0x0000-0x0001 : Angle (signed)
-			// Output
-			//   0x00f0-0x024f : Mode 7 Matrix A
-			//   0x0250-0x03af : Mode 7 Matrix B
-			//   0x03b0-0x050f : Mode 7 Matrix C
-			//   0x0510-0x066f : Mode 7 Matrix D
-			//
 			case 0x07:
 			{
-				int16	data;
+			#ifdef FAST_LSB_WORD_ACCESS
-				int32	offset = 0;
+				ST010_Raster(*(int16 *) &Memory.SRAM[0x0000]);
-				int16	Theta = ST010_WORD(0x0000);
+			#else
-
+				ST010_Raster(ST010_WORD(0x0000));
-				for (int32 line = 0; line < 176; line++)
+			#endif
-				{
-					// Calculate Mode 7 Matrix A/D data
-					data = ST010_M7Scale[line] * ST010_Cos(Theta) >> 15;
-
-					Memory.SRAM[0x00f0 + offset] = (uint8) (data);
-					Memory.SRAM[0x00f1 + offset] = (uint8) (data >> 8);
-					Memory.SRAM[0x0510 + offset] = (uint8) (data);
-					Memory.SRAM[0x0511 + offset] = (uint8) (data >> 8);
-
-					// Calculate Mode 7 Matrix B/C data
-					data = ST010_M7Scale[line] * ST010_Sin(Theta) >> 15;
-
-					Memory.SRAM[0x0250 + offset] = (uint8) (data);
-					Memory.SRAM[0x0251 + offset] = (uint8) (data >> 8);
-
-					if (data)
-						data = ~data;
-
-					Memory.SRAM[0x03b0 + offset] = (uint8) (data);
-					Memory.SRAM[0x03b1 + offset] = (uint8) (data >> 8);
-
-					offset += 2;
-				}
 
 				// Shift Angle for use with Lookup table
 				Memory.SRAM[0x00] = Memory.SRAM[0x01];
@@ -617,15 +755,6 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 			}
 
 			// Two dimensional Coordinate Rotation
-			//
-			// Input
-			//   0x0000-0x0001 : X0 (signed)
-			//   0x0002-0x0003 : Y0 (signed)
-			//   0x0004-0x0005 : Angle (signed)
-			// Output
-			//   0x0010-0x0011 : X1 (signed)
-			//   0x0012-0x0013 : Y1 (signed)
-			//
 			case 0x08:
 			{
 			#ifdef FAST_LSB_WORD_ACCESS
@@ -643,212 +772,6 @@ void S9xSetST010 (uint32 Address, uint8 Byte)
 				break;
 			}
 
-			// Input
-			//   0x0000-0x0001 : DX (signed)
-			//   0x0002-0x0003 : DY (signed)
-			// Output
-			//   0x0010-0x0011 : Angle (signed)
-			//
-			case 0x01:
-			{
-				Memory.SRAM[0x0006] = Memory.SRAM[0x0002];
-				Memory.SRAM[0x0007] = Memory.SRAM[0x0003];
-
-			#ifdef FAST_LSB_WORD_ACCESS
-				ST010_OP01(*(int16 *) &Memory.SRAM[0x0000], *(int16 *) &Memory.SRAM[0x0002], (int16 &) Memory.SRAM[0x0000], (int16 &) Memory.SRAM[0x0002], (int16 &) Memory.SRAM[0x0004], (int16 &) Memory.SRAM[0x0010]);
-			#else
-				int16	x1, y1, Quadrant, Theta;
-
-				ST010_OP01(ST010_WORD(0x0000), ST010_WORD(0x0002), x1, y1, Quadrant, Theta);
-
-				Memory.SRAM[0x0000] = (uint8) (x1);
-				Memory.SRAM[0x0001] = (uint8) (x1 >> 8);
-				Memory.SRAM[0x0002] = (uint8) (y1);
-				Memory.SRAM[0x0003] = (uint8) (y1 >> 8);
-				Memory.SRAM[0x0004] = (uint8) (Quadrant);
-				Memory.SRAM[0x0005] = (uint8) (Quadrant >> 8);
-				Memory.SRAM[0x0010] = (uint8) (Theta);
-				Memory.SRAM[0x0011] = (uint8) (Theta >> 8);
-			#endif
-				break;
-			}
-
-			// calculate the vector length of (x, y)
-			case 0x04:
-			{
-				int16	square, x, y;
-			#ifdef FAST_LSB_WORD_ACCESS
-				x = *((int16 *) Memory.SRAM);
-				y = *((int16 *) &Memory.SRAM[2]);
-			#else
-				x = Memory.SRAM[0] | (Memory.SRAM[1] << 8);
-				y = Memory.SRAM[2] | (Memory.SRAM[3] << 8);
-			#endif
-				square = (int16) sqrt((double) (y * y + x * x));
-				//SETA_Distance(x, y, square);
-
-			#ifdef FAST_LSB_WORD_ACCESS
-				*((int16 *) &Memory.SRAM[0x10]) = square;
-			#else
-				Memory.SRAM[0x10] = (uint8) (square);
-				Memory.SRAM[0x11] = (uint8) (square >> 8);
-			#endif
-				break;
-			}
-
-			// calculate AI orientation based on specific guidelines
-			case 0x05:
-			{
-				int32	dx, dy;
-				int16	a1, b1, c1;
-				uint16	o1;
-				bool	wrap = false;
-
-				// target (x, y) coordinates
-				int16	ypos_max  = ST010_WORD(0x00C0);
-				int16	xpos_max  = ST010_WORD(0x00C2);
-
-				// current coordinates and direction
-				int32	ypos = Memory.SRAM[0xC4] | (Memory.SRAM[0xC5] << 8) | (Memory.SRAM[0xC6] << 16) | (Memory.SRAM[0xC7] << 24);
-				int32	xpos = Memory.SRAM[0xC8] | (Memory.SRAM[0xC9] << 8) | (Memory.SRAM[0xCA] << 16) | (Memory.SRAM[0xCB] << 24);
-				uint16	rot  = Memory.SRAM[0xCC] | (Memory.SRAM[0xCD] << 8);
-
-				// physics
-				uint16	speed     = ST010_WORD(0x00D4);
-				uint16	accel     = ST010_WORD(0x00D6);
-				uint16	speed_max = ST010_WORD(0x00D8);
-
-				// special condition acknowledgment
-				int16	system    = ST010_WORD(0x00DA);
-				int16	flags     = ST010_WORD(0x00DC);
-
-				// new target coordinates
-				int16	ypos_new  = ST010_WORD(0x00DE);
-				int16	xpos_new  = ST010_WORD(0x00E0);
-
-				// mask upper bit
-				xpos_new &= 0x7FFF;
-
-				// get the current distance
-				dx = xpos_max - (xpos >> 16);
-				dy = ypos_max - (ypos >> 16);
-
-				// quirk: clear and move in9
-				Memory.SRAM[0xD2] = 0xFF;
-				Memory.SRAM[0xD3] = 0xFF;
-				Memory.SRAM[0xDA] = 0;
-				Memory.SRAM[0xDB] = 0;
-
-				// grab the target angle
-				ST010_OP01(dy, dx, a1, b1, c1, (int16 &) o1);
-
-				// check for wrapping
-				//if ((o1 < 0x6000 && rot > 0xA000) || (rot < 0x6000 && o1 > 0xA000))
-				//if (o1 < rot)
-				if (abs(o1 - rot) > 0x8000)
-				{
-					o1  += 0x8000;
-					rot += 0x8000;
-					wrap = true;
-				}
-				//o1  = 0x0000;
-				//rot = 0xFF00;
-
-				uint16	old_speed;
-
-				old_speed = speed;
-
-				// special case
-				if (abs(o1 - rot) == 0x8000)
-					speed = 0x100;
-				// slow down for sharp curves
-				else
-				if (abs(o1 - rot) >= 0x1000)
-				{
-					uint32	slow = abs(o1 - rot);
-					slow >>= 4;	// scaling
-					speed -= slow;
-				}
-				// otherwise accelerate
-				else
-				{
-					speed += accel;
-					if (speed > speed_max)
-					{
-						// clip speed
-						speed = speed_max;
-					}
-				}
-
-				// prevent negative/positive overflow
-				if (abs(old_speed - speed) > 0x8000)
-				{
-					if (old_speed < speed)
-						speed = 0;
-					else
-						speed = 0xff00;
-				}
-
-				// adjust direction by so many degrees
-				// be careful of negative adjustments
-				if ((o1 > rot && (o1 - rot) > 0x80) || (o1 < rot && (rot - o1) >= 0x80))
-				{
-					if (o1 < rot)
-						rot -= 0x280;
-					else
-					if (o1 > rot)
-						rot += 0x280;
-				}
-
-				// turn off wrapping
-				if (wrap)
-					rot -= 0x8000;
-
-				// now check the distances (store for later)
-				dx = (xpos_max << 16) - xpos;
-				dy = (ypos_max << 16) - ypos;
-				dx >>= 16;
-				dy >>= 16;
-
-				// if we're in so many units of the target, signal it
-				if ((system && (dy <= 6 && dy >= -8) && (dx <= 126 && dx >= -128)) || (!system && (dx <= 6 && dx >= -8) && (dy <= 126 && dy >= -128)))
-				{
-					// announce our new destination and flag it
-					xpos_max = xpos_new & 0x7FFF;
-					ypos_max = ypos_new;
-					flags |= 0x08;
-				}
-
-				// update position
-				xpos -= (ST010_Cos(rot) * 0x400 >> 15) * (speed >> 8) << 1;
-				ypos -= (ST010_Sin(rot) * 0x400 >> 15) * (speed >> 8) << 1;
-
-				// quirk: mask upper byte
-				xpos &= 0x1FFFFFFF;
-				ypos &= 0x1FFFFFFF;
-
-				Memory.SRAM[0x00C0] = (uint8) (ypos_max);
-				Memory.SRAM[0x00C1] = (uint8) (ypos_max >> 8);
-				Memory.SRAM[0x00C2] = (uint8) (xpos_max);
-				Memory.SRAM[0x00C3] = (uint8) (xpos_max >> 8);
-				Memory.SRAM[0x00C4] = (uint8) (ypos);
-				Memory.SRAM[0x00C5] = (uint8) (ypos >> 8);
-				Memory.SRAM[0x00C6] = (uint8) (ypos >> 16);
-				Memory.SRAM[0x00C7] = (uint8) (ypos >> 24);
-				Memory.SRAM[0x00C8] = (uint8) (xpos);
-				Memory.SRAM[0x00C9] = (uint8) (xpos >> 8);
-				Memory.SRAM[0x00CA] = (uint8) (xpos >> 16);
-				Memory.SRAM[0x00CB] = (uint8) (xpos >> 24);
-				Memory.SRAM[0x00CC] = (uint8) (rot);
-				Memory.SRAM[0x00CD] = (uint8) (rot >> 8);
-				Memory.SRAM[0x00D4] = (uint8) (speed);
-				Memory.SRAM[0x00D5] = (uint8) (speed >> 8);
-				Memory.SRAM[0x00DC] = (uint8) (flags);
-				Memory.SRAM[0x00DD] = (uint8) (flags >> 8);
-
-				break;
-			}
-
 			default:
 			#ifdef DEBUGGER
 				printf("Unknown Op\n");

source/snes9x/seta011.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/seta018.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/sha256.cpp

@@ -13,8 +13,9 @@
 *********************************************************************/
 
 /*************************** HEADER FILES ***************************/
+#include <stdint.h>
 #include <stdlib.h>
-#include <memory.h>
+#include <string.h>
 
 /****************************** MACROS ******************************/
 #define ROTLEFT(a,b) (((a) << (b)) | ((a) >> (32-(b))))
@@ -35,7 +36,7 @@ typedef unsigned int  WORD;             /* 32-bit word, change to "long" for 16-
 typedef struct {
 	BYTE data[64];
 	WORD datalen;
-	unsigned long long bitlen;
+	uint64_t bitlen;
 	WORD state[8];
 } SHA256_CTX;
 

source/snes9x/snapshot.cpp

@@ -204,6 +204,7 @@
 #include "movie.h"
 #include "display.h"
 #include "language.h"
+#include "gfx.h"
 
 #ifndef min
 #define min(a,b)	(((a) < (b)) ? (a) : (b))
@@ -433,6 +434,7 @@ static FreezeData	SnapPPU[] =
 	INT_ENTRY(6, CGFLIP),
 	INT_ENTRY(6, CGFLIPRead),
 	INT_ENTRY(6, CGADD),
+	INT_ENTRY(11, CGSavedByte),
 	ARRAY_ENTRY(6, CGDATA, 256, uint16_ARRAY_V),
 #define O(N) \
 	INT_ENTRY(6, OBJ[N].HPos), \
@@ -529,7 +531,8 @@ static FreezeData	SnapPPU[] =
 	INT_ENTRY(6, HDMA),
 	INT_ENTRY(6, HDMAEnded),
 	INT_ENTRY(6, OpenBus1),
-	INT_ENTRY(6, OpenBus2)
+	INT_ENTRY(6, OpenBus2),
+	INT_ENTRY(11, VRAMReadBuffer)
 };
 
 #undef STRUCT
@@ -599,7 +602,8 @@ static FreezeData	SnapTimings[] =
 	INT_ENTRY(6, IRQFlagChanging),
 	INT_ENTRY(6, APUSpeedup),
 	INT_ENTRY(7, IRQTriggerCycles),
-	INT_ENTRY(7, APUAllowTimeOverflow)
+	INT_ENTRY(7, APUAllowTimeOverflow),
+	INT_ENTRY(11, NextIRQTimer)
 };
 
 #undef STRUCT
@@ -1825,11 +1829,13 @@ int S9xUnfreezeFromStream (STREAM stream)
 		ICPU.ShiftedDB = Registers.DB << 16;
 		S9xSetPCBase(Registers.PBPC);
 		S9xUnpackStatus();
-		S9xUpdateIRQPositions(false);
+		if(version < SNAPSHOT_VERSION_IRQ_2018)
+			S9xUpdateIRQPositions(false); // calculate the new trigger pos from saved PPU data
 		S9xFixCycles();
 
 		for (int d = 0; d < 8; d++)
 			DMA[d] = dma_snap.dma[d];
+		// TODO: these should already be correct since they are stored in the snapshot
 		CPU.InDMA = CPU.InHDMA = FALSE;
 		CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE;
 		CPU.HDMARanInDMA = 0;
@@ -1840,8 +1846,17 @@ int S9xUnfreezeFromStream (STREAM stream)
 		IPPU.OBJChanged = TRUE;
 		IPPU.RenderThisFrame = TRUE;
 		
-		uint8 hdma_byte = Memory.FillRAM[0x420c];
+		GFX.InterlaceFrame = Timings.InterlaceField;
-		S9xSetCPU(hdma_byte, 0x420c);
+		GFX.DoInterlace = 0;
+
+		S9xGraphicsScreenResize();
+		
+		if (Settings.FastSavestates == 0)
+			memset(GFX.Screen,0,GFX.Pitch * MAX_SNES_HEIGHT);
+
+		// TODO: this seems to be a relic from 1.43 changes, completely remove if no issues in the future
+		/*uint8 hdma_byte = Memory.FillRAM[0x420c];
+		S9xSetCPU(hdma_byte, 0x420c);*/
 
 		S9xControlPostLoadState(&ctl_snap);
 
@@ -1935,12 +1950,6 @@ int S9xUnfreezeFromStream (STREAM stream)
 
 			delete ssi;
 		}
-		else
-		{
-			// couldn't load graphics, so black out the screen instead
-			for (uint32 y = 0; y < (uint32) (IMAGE_HEIGHT); y++)
-				memset(GFX.Screen + y * GFX.RealPPL, 0, GFX.RealPPL * 2);
-		}
 	}
 
 	if (local_cpu)				delete [] local_cpu;

source/snes9x/snapshot.h

@@ -196,9 +196,10 @@
 #include "snes9x.h"
 
 #define SNAPSHOT_MAGIC			"#!s9xsnp"
-#define SNAPSHOT_VERSION_IRQ    7
+#define SNAPSHOT_VERSION_IRQ		7
-#define SNAPSHOT_VERSION_BAPU   8
+#define SNAPSHOT_VERSION_BAPU		8
-#define SNAPSHOT_VERSION		10
+#define SNAPSHOT_VERSION_IRQ_2018	11		// irq changes were introduced earlier, since this we store NextIRQTimer directly
+#define SNAPSHOT_VERSION			11
 
 #define SUCCESS					1
 #define WRONG_FORMAT			(-1)

source/snes9x/snes9x.h

@@ -194,7 +194,7 @@
 #define _SNES9X_H_
 
 #ifndef VERSION
-#define VERSION	"1.56.2"
+#define VERSION	"1.57"
 #endif
 
 #include "port.h"
@@ -276,7 +276,7 @@
 #define	SNES_HDMA_START_HC			1106					// FIXME: not true
 #define	SNES_HBLANK_END_HC			4						// H=1
 #define	SNES_HDMA_INIT_HC			20						// FIXME: not true
-#define	SNES_RENDER_START_HC		(48 * ONE_DOT_CYCLE)	// FIXME: Snes9x renders a line at a time.
+#define	SNES_RENDER_START_HC		(128 * ONE_DOT_CYCLE)	// FIXME: Snes9x renders a line at a time.
 
 #define SNES_TR_MASK		(1 <<  4)
 #define SNES_TL_MASK		(1 <<  5)

source/snes9x/spc7110.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/spc7110.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/spc7110dec.cpp

@@ -498,7 +498,7 @@ void SPC7110Decomp::reset() {
 }
 
 SPC7110Decomp::SPC7110Decomp() {
-  decomp_buffer = new uint8_t[decomp_buffer_size];
+  decomp_buffer = new uint8[decomp_buffer_size];
   reset();
 
   //initialize reverse morton lookup tables

source/snes9x/srtc.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/srtc.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in

source/snes9x/stream.cpp

@@ -253,6 +253,24 @@ std::string Stream::getline (bool &eof)
 	return (ret);
 }
 
+size_t Stream::pos_from_origin_offset(uint8 origin, int32 offset)
+{
+    size_t position = 0;
+    switch (origin)
+    {
+        case SEEK_SET:
+            position = offset;
+            break;
+        case SEEK_END:
+            position = size() + offset;
+            break;
+        case SEEK_CUR:
+            position = pos() + offset;
+            break;
+    }
+    return position;
+}
+
 // snes9x.h FSTREAM Stream
 
 fStream::fStream (FSTREAM f)
@@ -299,9 +317,9 @@ size_t fStream::size (void)
     return sz;
 }
 
-int fStream::revert (size_t from, size_t offset)
+int fStream::revert (uint8 origin, int32 offset)
 {
-    return (REVERT_FSTREAM(fp, offset, from));
+    return (REVERT_FSTREAM(fp, offset, origin));
 }
 
 void fStream::closeStream()
@@ -428,9 +446,9 @@ size_t unzStream::size (void)
     return info.uncompressed_size;
 }
 
-int unzStream::revert (size_t from, size_t offset)
+int unzStream::revert (uint8 origin, int32 offset)
 {
-    size_t target_pos = from + offset;
+    size_t target_pos = pos_from_origin_offset(origin, offset);
 
     // new pos inside buffered data
     if (target_pos >= buf_pos_in_unzipped && target_pos < buf_pos_in_unzipped + bytes_in_buf)
@@ -547,9 +565,9 @@ size_t memStream::size (void)
     return msize;
 }
 
-int memStream::revert (size_t from, size_t offset)
+int memStream::revert (uint8 origin, int32 offset)
 {
-    size_t pos = from + offset;
+    size_t pos = pos_from_origin_offset(origin, offset);
 
     if(pos > msize)
         return -1;
@@ -610,9 +628,10 @@ size_t nulStream::size (void)
     return bytes_written;
 }
 
-int nulStream::revert (size_t from, size_t offset)
+int nulStream::revert (uint8 origin, int32 offset)
 {
-    bytes_written = from + offset;
+    size_t target_pos = pos_from_origin_offset(origin, offset);
+    bytes_written = target_pos;
     return 0;
 }
 

source/snes9x/stream.h

@@ -208,8 +208,11 @@ class Stream
         virtual size_t write (void *, size_t) = 0;
         virtual size_t pos (void) = 0;
         virtual size_t size (void) = 0;
-        virtual int revert (size_t from, size_t offset) = 0;
+        virtual int revert (uint8 origin, int32 offset) = 0;
         virtual void closeStream() = 0;
+
+	protected:
+		size_t pos_from_origin_offset(uint8 origin, int32 offset);
 };
 
 class fStream : public Stream
@@ -223,7 +226,7 @@ class fStream : public Stream
         virtual size_t write (void *, size_t);
         virtual size_t pos (void);
         virtual size_t size (void);
-        virtual int revert (size_t from, size_t offset);
+        virtual int revert (uint8 origin, int32 offset);
         virtual void closeStream();
 
 	private:
@@ -250,7 +253,7 @@ class unzStream : public Stream
         virtual size_t write (void *, size_t);
         virtual size_t pos (void);
         virtual size_t size (void);
-        virtual int revert (size_t from, size_t offset);
+        virtual int revert (uint8 origin, int32 offset);
         virtual void closeStream();
 
 	private:
@@ -279,7 +282,7 @@ class memStream : public Stream
         virtual size_t write (void *, size_t);
         virtual size_t pos (void);
         virtual size_t size (void);
-        virtual int revert (size_t from, size_t offset);
+        virtual int revert (uint8 origin, int32 offset);
         virtual void closeStream();
 
 	private:
@@ -304,7 +307,7 @@ class nulStream : public Stream
         virtual size_t write (void *, size_t);
         virtual size_t pos (void);
         virtual size_t size (void);
-        virtual int revert (size_t from, size_t offset);
+        virtual int revert (uint8 origin, int32 offset);
         virtual void closeStream();
 
     private:

source/snes9x/tile.cpp

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in
@@ -474,7 +489,6 @@ static uint8 ConvertTile4h_even (uint8 *pCache, uint32 TileAddr, uint32 Tile)
 #undef DOBIT
 
 // First-level include: Get all the renderers.
-
 #include "tile.cpp"
 
 // Functions to select which converter and renderer to use.
@@ -697,13 +711,11 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	}
 
 #define IS_BLANK_TILE() \
-	(BG.Buffered[TileNumber] == BLANK_TILE)
+	( ( (Tile & H_FLIP) ? BG.BufferedFlip[TileNumber] : BG.Buffered[TileNumber]) == BLANK_TILE)
 
 #define SELECT_PALETTE() \
 	if (BG.DirectColourMode) \
 	{ \
-		if (IPPU.DirectColourMapsNeedRebuild) \
-			S9xBuildDirectColourMaps(); \
 		GFX.RealScreenColors = DirectColourMaps[(Tile >> 10) & 7]; \
 	} \
 	else \
@@ -749,6 +761,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & (V_FLIP | H_FLIP))) \
 	{ \
 		bp = pCache + BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp += 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			DRAW_PIXEL(0, Pix = bp[0]); \
@@ -765,6 +778,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & V_FLIP)) \
 	{ \
 		bp = pCache + BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp += 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			DRAW_PIXEL(0, Pix = bp[7]); \
@@ -781,6 +795,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & H_FLIP)) \
 	{ \
 		bp = pCache + 56 - BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp -= 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			DRAW_PIXEL(0, Pix = bp[0]); \
@@ -796,6 +811,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	else \
 	{ \
 		bp = pCache + 56 - BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp -= 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			DRAW_PIXEL(0, Pix = bp[7]); \
@@ -840,18 +856,19 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & (V_FLIP | H_FLIP))) \
 	{ \
 		bp = pCache + BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp += 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			w = Width; \
 			switch (StartPixel) \
 			{ \
-				case 0: DRAW_PIXEL(0, Pix = bp[0]); if (!--w) break; \
+				case 0: DRAW_PIXEL(0, Pix = bp[0]); if (!--w) break; /* Fall through */ \
-				case 1: DRAW_PIXEL(1, Pix = bp[1]); if (!--w) break; \
+				case 1: DRAW_PIXEL(1, Pix = bp[1]); if (!--w) break; /* Fall through */ \
-				case 2: DRAW_PIXEL(2, Pix = bp[2]); if (!--w) break; \
+				case 2: DRAW_PIXEL(2, Pix = bp[2]); if (!--w) break; /* Fall through */ \
-				case 3: DRAW_PIXEL(3, Pix = bp[3]); if (!--w) break; \
+				case 3: DRAW_PIXEL(3, Pix = bp[3]); if (!--w) break; /* Fall through */ \
-				case 4: DRAW_PIXEL(4, Pix = bp[4]); if (!--w) break; \
+				case 4: DRAW_PIXEL(4, Pix = bp[4]); if (!--w) break; /* Fall through */ \
-				case 5: DRAW_PIXEL(5, Pix = bp[5]); if (!--w) break; \
+				case 5: DRAW_PIXEL(5, Pix = bp[5]); if (!--w) break; /* Fall through */ \
-				case 6: DRAW_PIXEL(6, Pix = bp[6]); if (!--w) break; \
+				case 6: DRAW_PIXEL(6, Pix = bp[6]); if (!--w) break; /* Fall through */ \
 				case 7: DRAW_PIXEL(7, Pix = bp[7]); break; \
 			} \
 		} \
@@ -860,18 +877,19 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & V_FLIP)) \
 	{ \
 		bp = pCache + BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp += 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			w = Width; \
 			switch (StartPixel) \
 			{ \
-				case 0: DRAW_PIXEL(0, Pix = bp[7]); if (!--w) break; \
+				case 0: DRAW_PIXEL(0, Pix = bp[7]); if (!--w) break; /* Fall through */ \
-				case 1: DRAW_PIXEL(1, Pix = bp[6]); if (!--w) break; \
+				case 1: DRAW_PIXEL(1, Pix = bp[6]); if (!--w) break; /* Fall through */ \
-				case 2: DRAW_PIXEL(2, Pix = bp[5]); if (!--w) break; \
+				case 2: DRAW_PIXEL(2, Pix = bp[5]); if (!--w) break; /* Fall through */ \
-				case 3: DRAW_PIXEL(3, Pix = bp[4]); if (!--w) break; \
+				case 3: DRAW_PIXEL(3, Pix = bp[4]); if (!--w) break; /* Fall through */ \
-				case 4: DRAW_PIXEL(4, Pix = bp[3]); if (!--w) break; \
+				case 4: DRAW_PIXEL(4, Pix = bp[3]); if (!--w) break; /* Fall through */ \
-				case 5: DRAW_PIXEL(5, Pix = bp[2]); if (!--w) break; \
+				case 5: DRAW_PIXEL(5, Pix = bp[2]); if (!--w) break; /* Fall through */ \
-				case 6: DRAW_PIXEL(6, Pix = bp[1]); if (!--w) break; \
+				case 6: DRAW_PIXEL(6, Pix = bp[1]); if (!--w) break; /* Fall through */ \
 				case 7: DRAW_PIXEL(7, Pix = bp[0]); break; \
 			} \
 		} \
@@ -880,18 +898,19 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	if (!(Tile & H_FLIP)) \
 	{ \
 		bp = pCache + 56 - BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp -= 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			w = Width; \
 			switch (StartPixel) \
 			{ \
-				case 0: DRAW_PIXEL(0, Pix = bp[0]); if (!--w) break; \
+				case 0: DRAW_PIXEL(0, Pix = bp[0]); if (!--w) break; /* Fall through */ \
-				case 1: DRAW_PIXEL(1, Pix = bp[1]); if (!--w) break; \
+				case 1: DRAW_PIXEL(1, Pix = bp[1]); if (!--w) break; /* Fall through */ \
-				case 2: DRAW_PIXEL(2, Pix = bp[2]); if (!--w) break; \
+				case 2: DRAW_PIXEL(2, Pix = bp[2]); if (!--w) break; /* Fall through */ \
-				case 3: DRAW_PIXEL(3, Pix = bp[3]); if (!--w) break; \
+				case 3: DRAW_PIXEL(3, Pix = bp[3]); if (!--w) break; /* Fall through */ \
-				case 4: DRAW_PIXEL(4, Pix = bp[4]); if (!--w) break; \
+				case 4: DRAW_PIXEL(4, Pix = bp[4]); if (!--w) break; /* Fall through */ \
-				case 5: DRAW_PIXEL(5, Pix = bp[5]); if (!--w) break; \
+				case 5: DRAW_PIXEL(5, Pix = bp[5]); if (!--w) break; /* Fall through */ \
-				case 6: DRAW_PIXEL(6, Pix = bp[6]); if (!--w) break; \
+				case 6: DRAW_PIXEL(6, Pix = bp[6]); if (!--w) break; /* Fall through */ \
 				case 7: DRAW_PIXEL(7, Pix = bp[7]); break; \
 			} \
 		} \
@@ -899,18 +918,19 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	else \
 	{ \
 		bp = pCache + 56 - BPSTART; \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, bp -= 8 * PITCH, Offset += GFX.PPL) \
 		{ \
 			w = Width; \
 			switch (StartPixel) \
 			{ \
-				case 0: DRAW_PIXEL(0, Pix = bp[7]); if (!--w) break; \
+				case 0: DRAW_PIXEL(0, Pix = bp[7]); if (!--w) break; /* Fall through */ \
-				case 1: DRAW_PIXEL(1, Pix = bp[6]); if (!--w) break; \
+				case 1: DRAW_PIXEL(1, Pix = bp[6]); if (!--w) break; /* Fall through */ \
-				case 2: DRAW_PIXEL(2, Pix = bp[5]); if (!--w) break; \
+				case 2: DRAW_PIXEL(2, Pix = bp[5]); if (!--w) break; /* Fall through */ \
-				case 3: DRAW_PIXEL(3, Pix = bp[4]); if (!--w) break; \
+				case 3: DRAW_PIXEL(3, Pix = bp[4]); if (!--w) break; /* Fall through */ \
-				case 4: DRAW_PIXEL(4, Pix = bp[3]); if (!--w) break; \
+				case 4: DRAW_PIXEL(4, Pix = bp[3]); if (!--w) break; /* Fall through */ \
-				case 5: DRAW_PIXEL(5, Pix = bp[2]); if (!--w) break; \
+				case 5: DRAW_PIXEL(5, Pix = bp[2]); if (!--w) break; /* Fall through */ \
-				case 6: DRAW_PIXEL(6, Pix = bp[1]); if (!--w) break; \
+				case 6: DRAW_PIXEL(6, Pix = bp[1]); if (!--w) break; /* Fall through */ \
 				case 7: DRAW_PIXEL(7, Pix = bp[0]); break; \
 			} \
 		} \
@@ -955,6 +975,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	\
 	if (Pix) \
 	{ \
+		OFFSET_IN_LINE; \
 		for (l = LineCount; l > 0; l--, Offset += GFX.PPL) \
 		{ \
 			for (w = Width - 1; w >= 0; w--) \
@@ -991,6 +1012,7 @@ void S9xSelectTileConverter (int depth, bool8 hires, bool8 sub, bool8 mosaic)
 	GFX.RealScreenColors = IPPU.ScreenColors; \
 	GFX.ScreenColors = GFX.ClipColors ? BlackColourMap : GFX.RealScreenColors; \
 	\
+	OFFSET_IN_LINE; \
 	for (l = GFX.StartY; l <= GFX.EndY; l++, Offset += GFX.PPL) \
 	{ \
 		for (x = Left; x < Right; x++) \
@@ -1036,8 +1058,6 @@ extern struct SLineMatrixData	LineMatrixData[240];
 	\
 	if (DCMODE) \
 	{ \
-		if (IPPU.DirectColourMapsNeedRebuild) \
-			S9xBuildDirectColourMaps(); \
 		GFX.RealScreenColors = DirectColourMaps[0]; \
 	} \
 	else \
@@ -1051,6 +1071,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 	uint32	Offset = GFX.StartY * GFX.PPL; \
 	struct SLineMatrixData	*l = &LineMatrixData[GFX.StartY]; \
 	\
+	OFFSET_IN_LINE; \
 	for (uint32 Line = GFX.StartY; Line <= GFX.EndY; Line++, Offset += GFX.PPL, l++) \
 	{ \
 		int	yy, starty; \
@@ -1133,8 +1154,6 @@ extern struct SLineMatrixData	LineMatrixData[240];
 	\
 	if (DCMODE) \
 	{ \
-		if (IPPU.DirectColourMapsNeedRebuild) \
-			S9xBuildDirectColourMaps(); \
 		GFX.RealScreenColors = DirectColourMaps[0]; \
 	} \
 	else \
@@ -1166,6 +1185,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 	uint32	Offset = StartY * GFX.PPL; \
 	struct SLineMatrixData	*l = &LineMatrixData[StartY]; \
 	\
+	OFFSET_IN_LINE; \
 	for (uint32 Line = StartY; Line <= GFX.EndY; Line += VMosaic, Offset += VMosaic * GFX.PPL, l += VMosaic) \
 	{ \
 		if (Line + VMosaic > GFX.EndY) \
@@ -1341,6 +1361,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 // The 1x1 pixel plotter, for speedhacking modes.
 
+#define OFFSET_IN_LINE
 #define DRAW_PIXEL(N, M) \
 	if (Z1 > GFX.DB[Offset + N] && (M)) \
 	{ \
@@ -1375,6 +1396,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 #undef NAME2
 #undef DRAW_PIXEL
+#undef OFFSET_IN_LINE
 
 // Hires pixel plotter, this combines the main and subscreen pixels as appropriate to render hires or pseudo-hires images.
 // Use it only on the main screen, subscreen should use Normal2x1 instead.
@@ -1388,11 +1410,16 @@ extern struct SLineMatrixData	LineMatrixData[240];
 #define DRAW_PIXEL_H2x1(N, M) \
 	if (Z1 > GFX.DB[Offset + 2 * N] && (M)) \
 	{ \
-		GFX.S[Offset + 2 * N] = MATH((GFX.ClipColors ? 0 : GFX.SubScreen[Offset + 2 * N]), GFX.RealScreenColors[Pix], GFX.SubZBuffer[Offset + 2 * N]); \
 		GFX.S[Offset + 2 * N + 1] = MATH(GFX.ScreenColors[Pix], GFX.SubScreen[Offset + 2 * N], GFX.SubZBuffer[Offset + 2 * N]); \
+		if ((OffsetInLine + 2 * N ) != (SNES_WIDTH - 1) << 1) \
+			GFX.S[Offset + 2 * N + 2] = MATH((GFX.ClipColors ? 0 : GFX.SubScreen[Offset + 2 * N + 2]), GFX.RealScreenColors[Pix], GFX.SubZBuffer[Offset + 2 * N]); \
+		if ((OffsetInLine + 2 * N) == 0 || (OffsetInLine + 2 * N) == GFX.RealPPL) \
+			GFX.S[Offset + 2 * N] = MATH((GFX.ClipColors ? 0 : GFX.SubScreen[Offset + 2 * N]), GFX.RealScreenColors[Pix], GFX.SubZBuffer[Offset + 2 * N]); \
 		GFX.DB[Offset + 2 * N] = GFX.DB[Offset + 2 * N + 1] = Z2; \
 	}
 
+#define OFFSET_IN_LINE \
+	uint32 OffsetInLine = Offset % GFX.RealPPL;
 #define DRAW_PIXEL(N, M)	DRAW_PIXEL_H2x1(N, M)
 #define NAME2				Hires
 
@@ -1402,6 +1429,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 #undef NAME2
 #undef DRAW_PIXEL
+#undef OFFSET_IN_LINE
 
 // Interlace: Only draw every other line, so we'll redefine BPSTART and PITCH to do so.
 // Otherwise, it's the same as Normal2x1/Hires2x1.
@@ -1414,6 +1442,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 #ifndef NO_INTERLACE
 
+#define OFFSET_IN_LINE
 #define DRAW_PIXEL(N, M)	DRAW_PIXEL_N2x1(N, M)
 #define NAME2				Interlace
 
@@ -1423,7 +1452,10 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 #undef NAME2
 #undef DRAW_PIXEL
+#undef OFFSET_IN_LINE
 
+#define OFFSET_IN_LINE \
+	uint32 OffsetInLine = Offset % GFX.RealPPL;
 #define DRAW_PIXEL(N, M)	DRAW_PIXEL_H2x1(N, M)
 #define NAME2				HiresInterlace
 
@@ -1433,6 +1465,7 @@ extern struct SLineMatrixData	LineMatrixData[240];
 
 #undef NAME2
 #undef DRAW_PIXEL
+#undef OFFSET_IN_LINE
 
 #endif
 

source/snes9x/tile.h

@@ -17,13 +17,20 @@
 
   (c) Copyright 2002 - 2010  Brad Jorsch (anomie@users.sourceforge.net),
                              Nach (n-a-c-h@users.sourceforge.net),
-                             zones (kasumitokoduck@yahoo.com)
+
+  (c) Copyright 2002 - 2011  zones (kasumitokoduck@yahoo.com)
 
   (c) Copyright 2006 - 2007  nitsuja
 
-  (c) Copyright 2009 - 2010  BearOso,
+  (c) Copyright 2009 - 2018  BearOso,
                              OV2
 
+  (c) Copyright 2017         qwertymodo
+
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
+
 
   BS-X C emulator code
   (c) Copyright 2005 - 2006  Dreamer Nom,
@@ -117,6 +124,9 @@
   Sound emulator code used in 1.52+
   (c) Copyright 2004 - 2007  Shay Green (gblargg@gmail.com)
 
+  S-SMP emulator code used in 1.54+
+  (c) Copyright 2016         byuu
+
   SH assembler code partly based on x86 assembler code
   (c) Copyright 2002 - 2004  Marcus Comstedt (marcus@mc.pp.se)
 
@@ -130,7 +140,7 @@
   (c) Copyright 2006 - 2007  Shay Green
 
   GTK+ GUI code
-  (c) Copyright 2004 - 2010  BearOso
+  (c) Copyright 2004 - 2018  BearOso
 
   Win32 GUI code
   (c) Copyright 2003 - 2006  blip,
@@ -138,11 +148,16 @@
                              Matthew Kendora,
                              Nach,
                              nitsuja
-  (c) Copyright 2009 - 2010  OV2
+  (c) Copyright 2009 - 2018  OV2
 
   Mac OS GUI code
   (c) Copyright 1998 - 2001  John Stiles
-  (c) Copyright 2001 - 2010  zones
+  (c) Copyright 2001 - 2011  zones
+
+  Libretro port
+  (c) Copyright 2011 - 2017  Hans-Kristian Arntzen,
+                             Daniel De Matteis
+                             (Under no circumstances will commercial rights be given)
 
 
   Specific ports contains the works of other authors. See headers in