--- nono/debugger/branchhistory.h	2026/04/29 17:05:16	1.1.1.4
+++ nono/debugger/branchhistory.h	2026/04/29 17:05:20	1.1.1.5
@@ -103,6 +103,12 @@ class BranchHistory_m680x0 : public Bran
 {
 	using inherited = BranchHistory;
  public:
+	// inst の分岐種別
+	static const uint32 Normal		= 0x00000000;	// 通常分岐
+	static const uint32 VectorJump	= 0x40000000;	// ベクタによる分岐
+	static const uint32 IOCSCall	= 0x80000000;	// IOCS コール
+	static const uint32 Exception	= 0xc0000000;	// 例外発生
+ public:
 	BranchHistory_m680x0(int objid_);
 	virtual ~BranchHistory_m680x0() override;