well, GX FIFO base. noting that for now, it doesn't do much beyond getting full real quick.

also make ROM loading fail gracefully if it shits itself, instead of entering an endless loop.

NDSCart.h

@@ -40,7 +40,7 @@ bool Init();
 void DeInit();
 void Reset();
 
-void LoadROM(char* path);
+bool LoadROM(char* path);
 
 void WriteROMCnt(u32 val);
 u32 ReadROMData();