Fancy Walking

Title: Fancy Walking
Author: assassin17, Lenophis
Version: v1.0
Applies to: FF6us v1.0, v1.1, FF6j
Tested on: FF6us v1.0

Contents: Steps - header.ips
          Steps - no header.ips
          Anti Steps - header.ips
          Anti Steps - no header.ips
          steps.asm
          readme.txt

ROM addresses:
          C0/496A - C0/4977


Urgency: Lower than snails crawling

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Description:

While walking up or down stairs diagonally, the player does not take poison
damage, the Tintinabar does not restore HP to the user, the player would be able
to walk through NPCs, and in a multi-party dungeon, save point use would be
retained. To see an example of the save point, head to Kefka's Tower, and have
party 2 stand on the save point Atma leaves behind. Have party 3 enter the
metallic room with the Aegis Shield, and traverse the stairs. Alternatively,
the stairs next to Inferno will also work.

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What this patch does:

Fixes diagonal movement so you can no longer walk through NPCs*, poison damage
and Tintinabar restoration are accounted for, and save point use is accounted
for.

*: They will still walk through you.

Note: The anti patches will remove the patch.

Second note: The second JSR in the original code was removed, and the subsequent
code was shifted up. Three bytes are free as a result.

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Extra fluff that didn't make the cut:

I'm not really sure what Square was thinking with the diagonal movement logic,
but they clearly knew of their own code, since they only called parts of it.

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Version history:

v1.0 - September 21, 2012. Initial version.

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Credits:

assassin17 - For coming up with the snazzy name.