found a cause of a memory bug in emulator - fix is TODO (#6) - continued working on brainf interpreter. we really need better debugging tools tbh.

emulator/src/emulator/system/memory.rs

@@ -72,6 +72,9 @@ impl MemoryUnit for MainStore {
 
     fn read_word(&mut self, addr: u32) -> u32 {
         let (block_addr, offset) = Self::segment_addr(addr);
+
+        println!("reading word from {block_addr:x?} + {offset}");
+
         let block = self.mut_block(block_addr);
         let mut bytes = [0; 4];
         bytes[0] = block.data[offset as usize];

emulator/src/emulator/system/processor/mod.rs

@@ -21,6 +21,10 @@ pub struct Processor {
     pub dustbin: u32,
 }
 
+fn log(message: &str) {
+    println!("\x1b[32mINFO:\x1b[0m {message}");
+}
+
 #[allow(clippy::needless_pass_by_ref_mut)]
 impl Processor {
     #[must_use]
@@ -62,12 +66,10 @@ impl Processor {
         // Decode and execute the instruction.
         let instruction = Instruction::decode(val)?;
 
-        println!("Executing instruction: {instruction}");
+        log(&instruction.to_string());
 
         instruction.execute(self);
 
-        println!("ok!");
-
         Ok((addr, instruction))
     }