Implement getter for PC in Core, print offset for each instruction

2 files changed, 6 insertions, 1 deletions

diff --git a/src/core.rs b/src/core.rs
index 1ec7bae..a3b4541 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -328,6 +328,11 @@ impl Core {
         self.pc
     }
 
+    /// Get current Program Counter value
+    pub fn pc(&self) -> u16 {
+        self.pc
+    }
+
     /// Get current instruction
     pub fn op(&self) -> Op {
         let op = IncompleteOp::from_u8(self.rom.array[self.pc as usize]);
diff --git a/src/main.rs b/src/main.rs
index 8eb1648..87dd041 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,7 +13,7 @@ use self::core::Core;
 fn core_worker(mut core: Core, should_stop: &Mutex<bool>, cvar: &Condvar) {
     loop {
         while !(*should_stop.lock().unwrap()) {
-            println!("{}", core.op());
+            println!("0x{:08x}: {}", core.pc(), core.op());
             core.step();
             sleep(time::Duration::from_millis(1000));
         }