add labels, improve documentation, add step debug

1 files changed, 15 insertions, 0 deletions

diff --git a/src/instructions.rs b/src/instructions.rs
index acfb8bd..ac88e94 100644
--- a/src/instructions.rs
+++ b/src/instructions.rs
@@ -8,3 +8,18 @@ pub enum Instruction {
     JNZ = 0x06,
     HLT = 0xFF,
 }
+
+impl Instruction {
+    pub  fn opcode_name(op: u8) -> &'static str{
+        match op {
+            0x01 => "MOV",
+            0x02 => "ADD",
+            0x03 => "SUB",
+            0x04 => "JMP",
+            0x05 => "JZ",
+            0x06 => "JNZ",
+            0xFF => "HLT",
+            _ => "???",
+        }
+    }
+}