diff --git a/Processors/65816/Implementation/65816Implementation.hpp b/Processors/65816/Implementation/65816Implementation.hpp
index c2f28ef4b..ac750dba7 100644
--- a/Processors/65816/Implementation/65816Implementation.hpp
+++ b/Processors/65816/Implementation/65816Implementation.hpp
@@ -32,6 +32,11 @@ template <typename BusHandler> void Processor<BusHandler>::run_for(const Cycles
 		const MicroOp operation = *next_op_;
 		++next_op_;
 
+#ifndef NDEBUG
+		// As a sanity check.
+		bus_value = nullptr;
+#endif
+
 		switch(operation) {
 
 			//
@@ -208,7 +213,7 @@ template <typename BusHandler> void Processor<BusHandler>::run_for(const Cycles
 
 			case OperationConstructAbsolute:
 				data_address_ = instruction_buffer_.value + data_bank_;
-			break;
+			continue;
 
 			case OperationConstructAbsoluteIndexedIndirect:
 				data_address_ = (instruction_buffer_.value + x()) & 0xffff;