diff --git a/bytecode_interpreter.cpp b/bytecode_interpreter.cpp
index ad46f21..e088c8e 100644
--- a/bytecode_interpreter.cpp
+++ b/bytecode_interpreter.cpp
@@ -278,17 +278,21 @@ emit_end(Bc *b){
   i->operation = BC_END_OF_INSTRUCTIONS;
 }
 
-
-#define bc_log(...) log_info(__VA_ARGS__)
 #define BC_LOG 1
+#if BC_LOG
+#define bc_log(...) log_info(__VA_ARGS__)
+#else
+#define bc_log(...)
+#endif
+
 function void
 run_bytecode_interp(Bc *b){
   for(;;){
     auto instr = (Instruction *)b->registers[REG_INS_POINTER].pointer64;
     bc_log("[%llx] - %s ", b->registers[REG_INS_POINTER].pointer64, op_name[instr->operation]);
     b->registers[REG_INS_POINTER].pointer += sizeof(Instruction);
-    switch(instr->operation){
 
+    switch(instr->operation){
       case BC_LOAD_FROM_MEMORY64:{
         U64 *load_address = b->registers[instr->src].pointer64;
         b->registers[instr->dst].u64 = *load_address;
@@ -302,6 +306,7 @@ run_bytecode_interp(Bc *b){
       case BC_PUSH_STACK:{
         U64 *stack = b->registers[REG_STACK_POINTER].pointer64++;
         U64 src = b->registers[instr->src].u64;
+        bc_log("r%u ", instr->src);
         *stack = src;
       }break;
 
@@ -320,9 +325,9 @@ run_bytecode_interp(Bc *b){
         b->registers[i->dst] = i->constant;
 #if BC_LOG
         switch(i->debug_type_flag){
-          case TYPE_S64: bc_log("%u %lld", i->dst, i->constant.s64); break;
-          case TYPE_U64: bc_log("%u %llu", i->dst, i->constant.u64); break;
-          case TYPE_F64: bc_log("%u %f"  , i->dst, i->constant.f64); break;
+          case TYPE_S64: bc_log("r%u v%lld", i->dst, i->constant.s64); break;
+          case TYPE_U64: bc_log("r%u v%llu", i->dst, i->constant.u64); break;
+          case TYPE_F64: bc_log("r%u v%f"  , i->dst, i->constant.f64); break;
           invalid_default_case;
         }
 #endif
diff --git a/code_generating_script.py b/code_generating_script.py
index 7c21cef..380df85 100644
--- a/code_generating_script.py
+++ b/code_generating_script.py
@@ -71,6 +71,7 @@ if True:
         result += f"""
       case BC_{op_name}_{T}:{{
         {T} left = ({T})b->registers[instr->left].{t};
+        bc_log("{symbol} v{sign}", left);
         {T} *dst = b->registers[instr->dst].pointer_{t};
         *dst = {symbol}left;
       }}break;
@@ -84,7 +85,7 @@ if True:
       case BC_{op_name}_{T}:{{
         {T} left                     = b->registers[instr->left].{t};
         {T} right                    = b->registers[instr->right].{t};
-        bc_log("{sign} {symbol} {sign}", left, right);
+        bc_log("v{sign} {symbol} v{sign}", left, right);
         b->registers[instr->dst].{t} = left {symbol} right; break;
       }}break;
       """