* very shitty implementation of save RAM. requires an existing save file for now.

* refine some SPI code, too. mostly removing a useless function.
* support 16bit accesses to DMAxCNT registers.

NDSCart.h

@@ -38,10 +38,14 @@ void Reset();
 
 void LoadROM(char* path);
 
-void WriteCnt(u32 val);
-u32 ReadData();
+void WriteROMCnt(u32 val);
+u32 ReadROMData();
 void DMA(u32 addr);
 
+void WriteSPICnt(u16 val);
+u8 ReadSPIData();
+void WriteSPIData(u8 val);
+
 }
 
 #endif