diff --git a/InstructionSets/68k/Decoder.cpp b/InstructionSets/68k/Decoder.cpp
index 210d00309..969d0f6d7 100644
--- a/InstructionSets/68k/Decoder.cpp
+++ b/InstructionSets/68k/Decoder.cpp
@@ -352,6 +352,15 @@ template <uint8_t op, bool validate> Preinstruction Predecoder<model>::decode(ui
 
 		// TODO: more validation on the above.
 
+		//
+		// MARK: TRAP
+		//
+		// No further operands decoded, but note that one is somewhere in the opcode.
+		//
+		case OpT(Operation::TRAP):
+			return Preinstruction(operation,
+				AddressingMode::Quick, 0);
+
 		//
 		// MARK: Impossible error case.
 		//