diff --git a/inc/dyn-pipeline.hpp b/inc/dyn-pipeline.hpp
index ba6267c..42a3cf9 100644
--- a/inc/dyn-pipeline.hpp
+++ b/inc/dyn-pipeline.hpp
@@ -8,7 +8,7 @@
 
 namespace DynamicPipeline {
 
-enum CommandType : char
+enum CommandType : uint16_t
 {
 	ADD,
 	SUB,
@@ -47,6 +47,7 @@ private:
 	unsigned int pc {0};
 	unsigned int system_time;
 
+	void print_program_memory(void) const;
 	void print_pipeline(void) const;
 	bool pipeline_empty(void) const;
 	bool next_instruction(void) const;
diff --git a/inc/expression.hpp b/inc/expression.hpp
index 7aa7e60..4689f7c 100644
--- a/inc/expression.hpp
+++ b/inc/expression.hpp
@@ -30,7 +30,7 @@ public:
 		NOP  // not an operator
 	};
 
-	static int weight_op(Operator o)
+	[[nodiscard]] static int weight_op(Operator o)
 	{
 		switch (o)
 		{
@@ -408,7 +408,7 @@ public:
 		}
 	}
 
-	int weight()
+	int weight() const
 	{
 		int w = 0;
 
@@ -424,7 +424,7 @@ public:
 
 		if (o.t == Token::OPERATOR)
 		{
-			Token::weight_op(o.v.o);
+			w += Token::weight_op(o.v.o);
 		}
 
 		return w;
diff --git a/src/assembler.cpp b/src/assembler.cpp
index ad8f1cf..2219da3 100644
--- a/src/assembler.cpp
+++ b/src/assembler.cpp
@@ -16,11 +16,12 @@ struct Command
 	int left_index;
 	OpSrc right_src;
 	int right_index;
+	const Expression::TreeNode * node;
 
-	Command(DynamicPipeline::CommandType opcode, OpSrc left_src, OpSrc right_src, int left_index, int right_index)
+	Command(DynamicPipeline::CommandType opcode, OpSrc left_src, OpSrc right_src, int left_index, int right_index, const Expression::TreeNode * const node)
 		: opcode(opcode), left_src(left_src), left_index(left_index),  right_src(right_src), right_index(right_index)
 	{
-
+		this->node = const_cast<const Expression::TreeNode *>(node);
 	}
 };
 
@@ -60,7 +61,7 @@ int descend_operator(const Expression::TreeNode& node, int& preload_mem, std::ve
 		ro = PRELOAD;
 	}
 
-	commands.emplace_back((DynamicPipeline::CommandType) (node.o.v.o - 2), lo, ro, left, right);
+	commands.emplace_back((DynamicPipeline::CommandType) (node.o.v.o - 2), lo, ro, left, right, &node);
 
 	return commands.size() - 1; // this index in dynamic memory
 }
@@ -91,8 +92,21 @@ void assemble(
 
 	for (int i = 0, l = commands.size(); i < l; i++)
 	{
-		Command &cmd = commands[i];
+		int lowest_weight_idx = 0;
+
+		for (int j = 0, k = commands.size(); j < k; j++)
+		{
+			if (commands[j].node->weight() < commands[lowest_weight_idx].node->weight())
+			{
+				lowest_weight_idx = j;
+			}
+		}
+
+		Command &cmd = commands[lowest_weight_idx];
+		pr_debug("Selecting command idx=" << lowest_weight_idx << " with weight=" << cmd.node->weight());
 		program.emplace_back(cmd.opcode, cmd.left_src * preload_mem + cmd.left_index, cmd.right_src * preload_mem + cmd.right_index, preload_mem + i);
+
+		commands.erase(commands.begin() + lowest_weight_idx);
 	}
 }
 
diff --git a/src/dyn-pipeline.cpp b/src/dyn-pipeline.cpp
index 3ed98b7..78afea0 100644
--- a/src/dyn-pipeline.cpp
+++ b/src/dyn-pipeline.cpp
@@ -29,6 +29,21 @@ static const char *op_to_str(DynamicPipeline::CommandType o)
 	}
 }
 
+void System::print_program_memory(void) const
+{
+	pr_info("Program memory dump: " << program_memory->size() * sizeof(struct Command) << " bytes");
+	pr_info("###  cmd  op1  op2  res");
+
+	for (int i = 0, l = program_memory->size(); i < l; i++)
+	{
+		const struct Command &cmd = (*program_memory)[i];
+		pr_info(std::setw(3) << i << ". " << op_to_str(cmd.t) << ", "
+			<< std::setw(3) << cmd.op1 << ", "
+			<< std::setw(3) << cmd.op2 << ", "
+			<< std::setw(3) << cmd.res);
+	}
+}
+
 void System::init(const std::vector<Command> * const prg, const std::array<double, DYN_PIPELINE_MEM_SIZE>& mem, const int init_mem_size)
 {
 	pr_info("Dynamic Pipeline System initialized with:\n"
@@ -50,6 +65,9 @@ void System::init(const std::vector<Command> * const prg, const std::array<doubl
 
 	pc = 0;
 	system_time = 0;
+
+	print_program_memory();
+	pri_info("\n");
 }
 
 void System::print_pipeline(void) const
@@ -60,22 +78,24 @@ void System::print_pipeline(void) const
 	{
 		if (layer_cmd[i] != -1)
 		{
-			pri_info(std::setw(3) << layer_cmd[i] << " (" << op_to_str((*program_memory)[layer_cmd[i]].t) << ") | ");
+			pri_info(std::setw(3) << layer_cmd[i] << " (" << op_to_str((*program_memory)[layer_cmd[i]].t) << ") "
+					<< std::setw(3) << (*program_memory)[layer_cmd[i]].res << " | ");
 		}
 		else
 		{
-			pri_info("--- (---) | ");
+			pri_info("--- (---) --- | ");
 		}
 	}
 
 	if (layer_cmd[DYN_PIPELINE_LAYERS - 1] != -1)
 	{
 		int addr = layer_cmd[DYN_PIPELINE_LAYERS - 1];
-		pri_info(std::setw(3) << addr << " (" << op_to_str((*program_memory)[addr].t) << ")\n");
+		pri_info(std::setw(3) << addr << " (" << op_to_str((*program_memory)[addr].t) << ") "
+				<< std::setw(3) << (*program_memory)[addr].res << "\n");
 	}
 	else
 	{
-		pri_info("--- (---)\n");
+		pri_info("--- (---) ---\n");
 	}
 }