Add DEBUG compile option

src/config.h

@@ -5,5 +5,3 @@
 #define MAX_LABELS 256
 #define MAX_MODULES 256
 #define MAX_BF_LOOPS 256
-
-#define DEBUG_MODE 0

src/execute.c

@@ -142,6 +142,10 @@ void execute(Stack *stack, Stack *originstack, char *modname)
 
     for (; stack->program_counter < stack->program_size; stack->program_counter++)
     {
+#ifdef DEBUG
+        fprintf(stderr, "Inst: %s, IP: %d, Stack top: %d, Module: %s\n", NAME, stack->program_counter,
+                stack_peek(stack), modname);
+#endif
         prefix_operator(stack, NAME[0]);
 
         if (NAME[0] == '#' || NAME[0] == '$')

src/stack.c

@@ -44,10 +44,10 @@ uint16_t stack_peek(Stack *stack)
 
 void kms(Stack *stack, const char *err)
 {
-    if (DEBUG_MODE)
+#ifdef DEBUG
     for (int i = 0; i < stack->pointer; i++)
         printf("%d: %d\n", i, stack->memory[i]);
-
+#endif
     fprintf(stderr, "%s", err);
     free(stack);
     exit(1);