From c34a8c76a2a7c9a8e6024c80f61e92dd897c6ce1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=99=8E?= <zfhu16@gmail.com>
Date: Thu, 24 Oct 2024 10:53:17 +0800
Subject: [PATCH] Update chapter_3_2.md

---
 src/chapter_3_2.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chapter_3_2.md b/src/chapter_3_2.md
index 76cf1b1..7384fe4 100644
--- a/src/chapter_3_2.md
+++ b/src/chapter_3_2.md
@@ -178,7 +178,7 @@ pub enum AddressingMode {
 
 impl CPU {
    // ...
-   fn get_operand_address(&self, mode: &AddressingMode) -> u16 {
+   fn get_operand_address(&mut self, mode: &AddressingMode) -> u16 {
 
        match mode {
            AddressingMode::Immediate => self.program_counter,