PS1 Lib-PPF: A PlayStation Patch File Library

alexfree

Developer
https://github.com/alex-free/lib-ppf
https://alex-free.github.io/lib-ppf

This is a C library that can be used in your program to apply or undo ppf patches self-contained in the executable file itself (in the form of unsigned char arrays, instead of an actual ppf patch file) to disc image files. These was made possible by modifying the original Paradox PPF code released many years ago under open terms.
For dealing with PlayStation 1/2 CD images, it is highly recommended to use this in combination with my Lib PS-CD-ID for disc image identification pre-patch.
An example has been included (example.c) that uses this library as well as my EzRe build system. The example is portable to many operating systems (see how to build) and simply applies or reverts the English Translation and load/save fix for the game King's Field (Japan):
 
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