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diff --git a/cpu/sh2mame/sh2.h b/cpu/sh2mame/sh2.h
index 1fab412c..ef2b06e6 100644
--- a/cpu/sh2mame/sh2.h
+++ b/cpu/sh2mame/sh2.h
@@ -32,23 +32,25 @@
 
 typedef struct
 {
-	UINT32	r[16];
-	UINT32	ppc;
-	UINT32	pc;
-	UINT32	pr;
-	UINT32	sr;
-	UINT32	gbr, vbr;
-	UINT32	mach, macl;
-
-	UINT32	ea;
-	UINT32	delay;
-	UINT32	test_irq;
-
-	int	pending_irq;
+	unsigned int	r[16];
+	unsigned int	ppc;
+	unsigned int	pc;
+	unsigned int	pr;
+	unsigned int	sr;
+	unsigned int	gbr, vbr;
+	unsigned int	mach, macl;
+
+	unsigned int	ea;
+	unsigned int	delay;
+	unsigned int	test_irq;
+
+	int	pending_irl;
+	int	pending_int_irq;	// internal irq
+	int	pending_int_vector;
 	void	(*irq_callback)(int id, int level);
 	int	is_slave;
 
-	UINT32	cycles_aim;	// subtract sh2_icount to get global counter
+	unsigned int	cycles_aim;	// subtract sh2_icount to get global counter
 } SH2;
 
 SH2 *sh2; // active sh2
@@ -58,5 +60,6 @@ void sh2_init(SH2 *sh2, int is_slave);
 void sh2_reset(SH2 *sh2);
 int sh2_execute(SH2 *sh2_, int cycles);
 void sh2_irl_irq(SH2 *sh2, int level);
+void sh2_internal_irq(SH2 *sh2, int level, int vector);
 
 #endif /* __SH2_H__ */