--- nono/m680x0/m68030ops.cpp	2026/04/29 17:04:34	1.1.1.2
+++ nono/m680x0/m68030ops.cpp	2026/04/29 17:04:38	1.1.1.3
@@ -556,6 +556,13 @@ OP_DEF(addi_l)
 	}
 }
 
+// %0000_011011_00nnnn	RTM Rn
+// %0000_011011_mmmrrr	CALLM #<imm>,<ea>
+OP_DEF(callm)
+{
+	op_illegal(cpu);
+}
+
 // %0000_100000_000yyy	BTST.L #<imm>,Dy
 // %0000_100000_mmmrrr	BTST.B #<imm>,<ea>
 OP_DEF(btst_imm_ea)