From 8b0e4759beaa550f7b1d19a44cf86a9ae04268f7 Mon Sep 17 00:00:00 2001
From: andromeda <andromeda@lenovo>
Date: Mon, 23 Mar 2026 23:54:27 +0100
Subject: [PATCH] update example in readme

---
 twasm/README.md | 36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/twasm/README.md b/twasm/README.md
index 3b63414..dfb198d 100644
--- a/twasm/README.md
+++ b/twasm/README.md
@@ -340,8 +340,10 @@ this program doesn't do anything useful, it's just a test
 
 ```nasm
 xor eax, eax
-inc rax
-mov [ rax ], rdx
+inc rax ; inline comment
+; one line comment
+mov rdx, [rax]
+mov [rax], rdx
 hlt
 
 ```
@@ -350,30 +352,19 @@ hlt
 
 ```nasm
 0x0053 ; xor
-0xFE20 ; space
 0x0010 ; eax
-0xFE2C ; comma
-0xFE20 ; space
 0x0010 ; eax
-0xFE0A ; newline
 0x0054 ; inc
-0xFE20 ; space
 0x0000 ; rax
-0xFE0A ; newline
 0x0056 ; mov
-0xFE20 ; space
-0x1004 ; open bracket (4)
-0xFE20 ; space         |1
-0x0000 ; rax           |2
-0xFE20 ; space         |3
-0x0052 ; close bracket |4
-0xFE2C ; comma
-0xFE20 ; space
 0x0003 ; rdx
-0xFE0A ; newline
+0x1000 ; memory address: register
+0x0000 ; rax
+0x0056 ; mov
+0x1000 ; memory address: register
+0x0000 ; rax
+0x0003 ; rdx
 0x004F ; hlt
-0xFE0A ; newline
-0xFE00 ; null terminator
 ```
 
 #### nasm output with the above example program, bits 64
@@ -393,6 +384,13 @@ hlt
      ; reg 000b ; RAX
      ; r/m 000b ; RAX
 
+0x48 ; 64 Bit Operand Size prefix
+0x8B ; MOV r16/32/64 r/m16/32/64
+0x10 ; ModR/M byte
+     ; mod 00b  ; indirect addressing, no displacement
+     ; reg 010b ; RDX
+     ; r/m 000b ; [RAX]
+
 0x48 ; 64 Bit Operand Size prefix
 0x89 ; MOV r/m16/32/64 r16/32/64
 0x10 ; ModR/M byte