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Sketch Glitch

The sketch glitch is the major glitch used in this run. Missing a sketch with Relm within certain conditions induces big chunks of copy from ROM to RAM that can lead to some nice things. The technical details of the sketch glitch are described here, and the consequences are exposed here. To make easier setting up the numerous tests, a Test bench has been written.

Escaping

A useful manipulation through the entire tas will getting preemptives, or as a general matter, being able to escape quickly. These factors are determined by the value of the frame counter at the beginning of the battle, so it can be manipulated easily by delaying the battle. Writing a script to predict this will save a lot of time.

Sources

• Map of the ROM data: http://www.rpglegion.com/ff6/hack/ff3info.txt
• Incomplete map of RAM data: http://www.ff6hacking.com/forums/archive/index.php?thread-1408.html
• Another map of RAM data and stuff: http://www.rpglegion.com/ff6/hack/info.htm
• Snes opcodes good description: http://softpixel.com/~cwright/sianse/docs/65816NFO.HTM
• Full 65816 Programming Guide (469 pages): http://www.romhacking.net/documents/423/
• Many lists: http://www.tales-cless.org/docs/ff6hack.htm