fix savestate configuration bug in m023 which as of r2532 started causing the emulator to crash on purpose (fixes #523)

src/boards/23.cpp

@@ -38,8 +38,8 @@ static SFORMAT StateRegs[]=
   {&regcmd, 1, "REGCMD"},
   {&irqcmd, 1, "IRQCMD"},
   {&mirr, 1, "MIRR"},
-  {&big_bank, 1, "MIRR"},
-  {&IRQCount, 2, "IRQC"},
+  {&big_bank, 1, "BIGB"},
+  {&IRQCount, 2, "IRCN"},
   {&IRQLatch, 1, "IRQL"},
   {&IRQa, 1, "IRQA"},
   {0}

src/state.cpp

@@ -853,7 +853,11 @@ void AddExState(void *v, uint32 s, int type, char *desc)
 			std::string desc = tmp;
 			if(names.find(desc) != names.end())
 			{
+#ifdef _MSC_VER
+				MessageBox(NULL,"OH NO!!! YOU HAVE AN INVALID SFORMAT! POST A BUG TICKET ALONG WITH INFO ON THE ROM YOURE USING\n","OOPS",MB_OK);
+#else
 				printf("OH NO!!! YOU HAVE AN INVALID SFORMAT! POST A BUG TICKET ALONG WITH INFO ON THE ROM YOURE USING\n");
+#endif
 				exit(0);
 			}
 			names[desc] = true;