fix some shit. add support for SPI and firmware.

NDS.h

@@ -7,6 +7,35 @@
 namespace NDS
 {
 
+enum
+{
+    IRQ_VBlank = 0,
+    IRQ_HBlank,
+    IRQ_VCount,
+    IRQ_Timer0,
+    IRQ_Timer1,
+    IRQ_Timer2,
+    IRQ_Timer3,
+    IRQ_RTC,
+    IRQ_DMA0,
+    IRQ_DMA1,
+    IRQ_DMA2,
+    IRQ_DMA3,
+    IRQ_Keypad,
+    IRQ_GBASlot,
+    IRQ_Unused14,
+    IRQ_Unused15,
+    IRQ_IPCSync,
+    IRQ_IPCSendDone,
+    IRQ_IPCRecv,
+    IRQ_CartSendDone,
+    IRQ_CartIREQMC,
+    IRQ_GXFIFO,
+    IRQ_LidOpen,
+    IRQ_SPI,
+    IRQ_Wifi
+};
+
 extern u32 ARM9ITCMSize;
 extern u32 ARM9DTCMBase, ARM9DTCMSize;
 
@@ -19,6 +48,8 @@ void Halt();
 
 void MapSharedWRAM();
 
+void TriggerIRQ(u32 cpu, u32 irq);
+
 u8 ARM9Read8(u32 addr);
 u16 ARM9Read16(u32 addr);
 u32 ARM9Read32(u32 addr);