inverter

A script for obtaining the inverse of simple, linear assembly sequences (containing no loops).

Python version: 3.4.2

Usage

py inverter.py input.asm

Example

xor eax, 0x123
sub eax, 0xad
xchg ax, bx
inc eax
xchg al, bl
dec ebx
rol eax, 0x2
ror ebx, 0x3
add ebx, 0xff

  | |
  | |
  \ /
   V

sub ebx, 0xff
rol ebx, 0x3
ror eax, 0x2
inc ebx
xchg al, bl
dec eax
xchg ax, bx
add eax, 0xad
xor eax, 0x123

Coding standard
Google Python Style Guide.