Title: Doom 2 1.7a to 1.7 binary patch
Filename: utils/exe_edit/17dwngrd.zip
Size: 39.73 KB
Date: 08/27/11
Author: Mike Swanson
Description: This patch will downgrade Doom II version 1.7a to version 1.7, which cannot be obtained otherwise through official patches.

There is a previous downgrade patch of this nature, d217a17.zip, which only works on Windows 2000 and higher. I found this annoying when the game itself is for DOS, so that's all this patch requires; DOS. It should work on real MS-DOS, DOSBox, and 32-bit x86 Windows (other versions do not have the NTVDM and lack DOS support entirely).
Credits: id Software, Simon Howard for part of the below instructions, Maurizio Giunti for MDIFF/MPATCH.
Build time:
Editor(s) used:
Rating: (6 votes)
Download here

Download mirrors: /idgames protocol:

yay! http://i.imgur.com/e lsCk.jpgx
id=15500 accomplishes the same thing.x
Differences between 1.7a and 1.7?x
Why would someone want this? It's useless, but I will give you 4 stars for all the effort that you went through to create it. 4/5. -dbsw57x

View 17dwngrd.txt
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