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Comparison of Patch Formats: Difference between revisions

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=== References ===
=== References ===
* [1] SNESTL12.DOC from https://www.romhacking.net/utilities/18
# SNESTL12.DOC from https://www.romhacking.net/utilities/18

Revision as of 17:39, 12 July 2023

Several file formats for distributing romhacks have been developed over the years:

Format Full Name Developer Year Released Max Source ROM Size Max Patch File Size Specification Spec Length Reversible? Metadata? Integrity Checks? Efficiently handles Copy? Efficiently handles move? Header String
IPS International Patch Standard DAX & The M.C.A / Elite [1] ~1993 2047 Mb 7.99 Mb https://zerosoft.zophar.net/ips.php < 1 page No No No No No PATCH
xdelta Joshua MacDonald 1997 http://tools.ietf.org/html/rfc3284 29 pages
UPS Near 2008 unlimited unlimited https://www.romhacking.net/documents/392 3 pages Yes No Yes UPS1
BPS Near 2012 unlimited unlimited https://www.romhacking.net/documents/746 1 HTML page No Yes Yes Yes Yes BPS1

References

  1. SNESTL12.DOC from https://www.romhacking.net/utilities/18