![]() Next, create a sub-directory and give it a name that describes your level pack. Unlike previous versions of CKPatch, you no longer need to use UNLZEXE to decompress your game executable. ![]() For example, Apogee's Crystal Caves fits into this category.Ĭopy each CKxPATCH.EXE executable to its corresponding Commander Keen episode directory. Unofficial tools have been released for other games, including Keen Dreams (KDrPatch by MultiMania), and others (by Shadow Master: Bio Menace 1-3, Dangerous Dave in the Haunted Mansion, Dangerous Dave's Risky Rescue and Shadow Knights, respectively Monster Bash 1-3 added by NY00123).ĬKPatch has a modular design the Parser, Patcher and Loader units in the source code are completely independent of Commander Keen and can easily be reused to write patching utilities for other 16-bit real mode DOS games.Īs a start, Apogee's Bio Menace is based on the same engine as Commander Keen 4-6, so it should be straightforward to adapt CKPatch to work with Bio Menace, once you know the offsets of all the items of interest in the game executables.ĬKPatch's in-memory patching methodology can also work well for games that have level data hard-linked into the executable. ![]() It adds support for patching 16-bit and 32-bit values directly, and for patching segment-relative addresses.Ĭurrently, there are six official CKPatch-based tools, one for each Keen episode (CK1Patch, CK2Patch, CK3Patch, CK4Patch, CK5Patch and CK6Patch, respectively). Version 0.10.0 was edited by Andrew Durdin in 2007. Versions earlier than 0.9.0 were released as public domain, whereas the latest version, was released under the terms of the GNU General Public License (GPL). ![]() Keen: Modding: KDrPatch, v.0.10.0, extended v.0.9.0 to 0.11.3ĬKPatch is the generic name for a group of Keen patching tools written by Admiral Bob for the 16-bit DOS platform, using Pascal as the programming language. ![]() Keen:Vorticons, Keen:Galaxy, Keen:Dreams, Bio Menance, Dangerous Dave, Monster Bash, Shadow Knights Andrew Durdin, MultiMania, Shadow Master, NY00123 ![]()
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