{{tag>type:hex_edit utility}}

====== ZZTPatch ======

ZZTPatch is an utility by Grant D. Watson released on February 11th, 2000. As its goal is to modify the ZZT executable to perform certain changes, it is essentially a hex edit with extra steps.

===== Changes =====

==== Mandatory ====

  * Injects the string "Patched v" to the version string, so that ''Version(nbsp)(nbsp) 3.2'' becomes ''Patched v3.2'' (offset 0x1D6D)

==== Optional ====

  * Supports emptying the following strings:
    * ''Ammunition - 5 shots per container.'' (offset 0x56C5)
    * ''Gems give you Health!'' (offset 0x5750)
    * ''Torch - used for lighting in the underground.'' (offset 0x5BE1)
    * ''A path is cleared through the forest.'' (offset 0x5D0A)
    * ''A fake wall - secret passage!'' (offset 0x5D8B)
    * ''Your way is blocked by water.'' (offset 0x5F45)
    * ''Room is dark - you need to light a torch!'' (offset 0x1045B)

===== Links =====

  * [[https://museumofzzt.com/file/z/zztpatch.zip|Download/Source code]]