disassembler

src/nes/cpu/instructions.rs

@@ -2,7 +2,7 @@ use failure::err_msg;
 use phf::{Map,phf_map};
 use failure::{Error};
 use std::fmt;
-use std::fmt::Debug;
+use std::fmt::{Debug,Display};
 
 #[derive(Debug)]
 pub enum AddrMode {
@@ -20,6 +20,12 @@ pub enum AddrMode {
     IZY,
 }
 
+impl fmt::Display for AddrMode {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
 
 #[derive(Debug)]
 pub enum Operation {
@@ -81,6 +87,12 @@ pub enum Operation {
     TYA,
 }
 
+impl fmt::Display for Operation {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
 static INSTRUCTION_SET: Map<u8, Instruction> = phf_map! {
     // 0x00
     0x00u8 => Instruction { opcode: 0x00, addr_mode: AddrMode::IMM, operation: Operation::BRK, cycles: [7, 0] },