Calculate SHA256 checksum for later use.

gtk/Makefile.am

@@ -179,7 +179,8 @@ snes9x_gtk_SOURCES += \
     ../snapshot.cpp \
     ../screenshot.cpp \
     ../movie.cpp \
-    ../statemanager.cpp
+    ../statemanager.cpp \
+    ../sha256.cpp
 
 # ASMCPU Doesn't exist anymore.
 snes9x_gtk_SOURCES += \

libretro/Makefile.common

@@ -44,6 +44,7 @@ SOURCES_CXX := $(CORE_DIR)/apu/apu.cpp \
 				 $(CORE_DIR)/seta010.cpp \
 				 $(CORE_DIR)/seta011.cpp \
 				 $(CORE_DIR)/seta018.cpp \
+                                 $(CORE_DIR)/sha256.cpp \
 				 $(CORE_DIR)/snapshot.cpp \
 				 $(CORE_DIR)/snes9x.cpp \
 				 $(CORE_DIR)/spc7110.cpp \

libretro/libretro.cpp

@@ -550,7 +550,7 @@ bool retro_load_game(const struct retro_game_info *game)
    
    if(!environ_cb || !environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) 
    {
-      return false
+      return false;
    }
 
    S9xGraphicsDeinit();

memmap.cpp

@@ -219,6 +219,7 @@
 #include "cheats.h"
 #include "movie.h"
 #include "display.h"
+#include "sha256.h"
 
 #ifndef SET_UI_COLOR
 #define SET_UI_COLOR(r, g, b) ;
@@ -2671,7 +2672,10 @@ void CMemory::InitROM (void)
 
 	// CRC32
 	if (!Settings.BS || Settings.BSXItself) // Not BS Dump
+	{
 		ROMCRC32 = caCRC32(ROM, CalculatedSize);
+		sha256sum(ROM, CalculatedSize, ROMSHA256);
+	}
 	else // Convert to correct format before scan
 	{
 		int offset = HiROM ? 0xffc0 : 0x7fc0;
@@ -2683,6 +2687,7 @@ void CMemory::InitROM (void)
 		ROM[offset + 23] = 0x00;
 		// Calc
 		ROMCRC32 = caCRC32(ROM, CalculatedSize);
+		sha256sum(ROM, CalculatedSize, ROMSHA256);
 		// Convert back
 		ROM[offset + 22] = BSMagic0;
 		ROM[offset + 23] = BSMagic1;

memmap.h

@@ -268,6 +268,7 @@ struct CMemory
 	uint32	ROMChecksum;
 	uint32	ROMComplementChecksum;
 	uint32	ROMCRC32;
+	unsigned char ROMSHA256[32];
 	int32	ROMFramesPerSecond;
 
 	bool8	HiROM;

unix/Makefile.in

@@ -8,7 +8,7 @@
 OS         = `uname -s -r -m|sed \"s/ /-/g\"|tr \"[A-Z]\" \"[a-z]\"|tr \"/()\" \"___\"`
 BUILDDIR   = .
 
-OBJECTS    = ../apu/apu.o ../apu/bapu/dsp/sdsp.o ../apu/bapu/dsp/SPC_DSP.o ../apu/bapu/smp/smp.o ../apu/bapu/smp/smp_state.o ../bsx.o ../c4.o ../c4emu.o ../cheats.o ../cheats2.o ../clip.o ../conffile.o ../controls.o ../cpu.o ../cpuexec.o ../cpuops.o ../crosshairs.o ../dma.o ../dsp.o ../dsp1.o ../dsp2.o ../dsp3.o ../dsp4.o ../fxinst.o ../fxemu.o ../gfx.o ../globals.o ../logger.o ../memmap.o ../msu1.o ../movie.o ../obc1.o ../ppu.o ../stream.o ../sa1.o ../sa1cpu.o ../screenshot.o ../sdd1.o ../sdd1emu.o ../seta.o ../seta010.o ../seta011.o ../seta018.o ../snapshot.o ../snes9x.o ../spc7110.o ../srtc.o ../tile.o ../filter/2xsai.o ../filter/blit.o ../filter/epx.o ../filter/hq2x.o ../filter/snes_ntsc.o ../statemanager.o unix.o x11.o
+OBJECTS    = ../apu/apu.o ../apu/bapu/dsp/sdsp.o ../apu/bapu/dsp/SPC_DSP.o ../apu/bapu/smp/smp.o ../apu/bapu/smp/smp_state.o ../bsx.o ../c4.o ../c4emu.o ../cheats.o ../cheats2.o ../clip.o ../conffile.o ../controls.o ../cpu.o ../cpuexec.o ../cpuops.o ../crosshairs.o ../dma.o ../dsp.o ../dsp1.o ../dsp2.o ../dsp3.o ../dsp4.o ../fxinst.o ../fxemu.o ../gfx.o ../globals.o ../logger.o ../memmap.o ../msu1.o ../movie.o ../obc1.o ../ppu.o ../stream.o ../sa1.o ../sa1cpu.o ../screenshot.o ../sdd1.o ../sdd1emu.o ../seta.o ../seta010.o ../seta011.o ../seta018.o ../snapshot.o ../snes9x.o ../spc7110.o ../srtc.o ../tile.o ../filter/2xsai.o ../filter/blit.o ../filter/epx.o ../filter/hq2x.o ../filter/snes_ntsc.o ../statemanager.o ../sha256.o unix.o x11.o
 DEFS       = -DMITSHM
 
 ifdef S9XDEBUGGER

win32/snes9xw.vcxproj

@@ -388,6 +388,7 @@
     </CustomBuild>
     <ClInclude Include="..\msu1.h" />
     <ClInclude Include="..\statemanager.h" />
+    <ClInclude Include="..\sha256.h" />
     <CustomBuild Include="..\stream.h" />
     <CustomBuild Include="..\tile.h" />
     <ClInclude Include="..\unzip\crypt.h" />
@@ -517,6 +518,7 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release Unicode|x64'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\statemanager.cpp" />
+    <ClCompile Include="..\sha256.cpp" />
     <ClCompile Include="..\stream.cpp" />
     <ClCompile Include="..\tile.cpp" />
     <ClCompile Include="..\unzip\ioapi.c" />

win32/snes9xw.vcxproj.filters

@@ -48,6 +48,9 @@
     <ClInclude Include="..\statemanager.h">
       <Filter>Emu</Filter>
     </ClInclude>
+    <ClInclude Include="..\sha256.h">
+      <Filter>Emu</Filter>
+    </ClInclude>
     <ClInclude Include="..\unzip\crypt.h">
       <Filter>UnZip</Filter>
     </ClInclude>
@@ -398,6 +401,9 @@
     <ClCompile Include="..\statemanager.cpp">
       <Filter>Emu</Filter>
     </ClCompile>
+    <ClCompile Include="..\sha256.cpp">
+      <Filter>Emu</Filter>
+    </ClCompile>
     <ClCompile Include="..\stream.cpp">
       <Filter>Emu</Filter>
     </ClCompile>