o add mmio to trigger cart irq

o add snes irq handlers
o add inline printf asm

tools/bsnes/chip/cmmio/cmmio.cpp

@@ -35,6 +35,12 @@ void CMMIO::mmio_write(unsigned addr, uint8 data) {
       fprintf(stderr,"%c",data);
       fflush(stderr);
   }
+  if (addr == 0x3001){
+      fprintf(stderr,"Trigger IRQ\n");
+      fflush(stderr);
+      cpu.triggerIRQ();
+  }
+
 }
 
 CMMIO::CMMIO() {

tools/bsnes/cpu/scpu/scpu.cpp

@@ -23,6 +23,10 @@ void sCPU::power() {
   reset();
 }
 
+void sCPU::triggerIRQ() {
+    status.irq_pending = true;
+}
+
 void sCPU::reset() {
   CPU::reset();
 

tools/bsnes/cpu/scpu/scpu.hpp

@@ -1,4 +1,4 @@
-class sCPU : public CPU {
+class sCPU : public CPU {
 public:
   void enter();
 
@@ -47,7 +47,7 @@ public:
     bool hdma_mode;  //0 = init, 1 = run
     DmaState dma_state;
 
-    //MMIO
+    //MMIO
 
     //$2181-$2183
     uint32 wram_addr;
@@ -88,6 +88,7 @@ public:
 
   void power();
   void reset();
+  void triggerIRQ();
 
   sCPU();
   ~sCPU();