Add a fully functioning disassemblere?

src/machine.rs

@@ -15,7 +15,7 @@ use netstack::NetStack;
 #[cfg(feature = "bonus:heap")]
 use heap::Heap;
 
-const MAGIC_HEADER:u32 = 0x1DEA_DFAD;
+pub const MAGIC_HEADER:u32 = 0x1DEA_DFAD;
 const ANTI_BS_SIZE:usize = 0xFF;
 
 pub struct Machine {
@@ -85,7 +85,7 @@ impl Machine {
 
     pub fn step(&mut self) -> Result<()> {
         match self.block.read_op() {
-            Ok(Operation::Op(a, func)) => {
+            Ok(Operation::Op(a, func, _)) => {
                 if cfg!(feature = "debug:instr") {
                     println!("{}", a);
                     println!("Stack: {:?}", self.cur_frame().stack.data);